tools/power turbostat: version 18.06.20
[sfrench/cifs-2.6.git] / tools / power / x86 / turbostat / turbostat.c
1 /*
2  * turbostat -- show CPU frequency and C-state residency
3  * on modern Intel turbo-capable processors.
4  *
5  * Copyright (c) 2013 Intel Corporation.
6  * Len Brown <len.brown@intel.com>
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms and conditions of the GNU General Public License,
10  * version 2, as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15  * more details.
16  *
17  * You should have received a copy of the GNU General Public License along with
18  * this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21
22 #define _GNU_SOURCE
23 #include MSRHEADER
24 #include INTEL_FAMILY_HEADER
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <err.h>
28 #include <unistd.h>
29 #include <sys/types.h>
30 #include <sys/wait.h>
31 #include <sys/stat.h>
32 #include <sys/select.h>
33 #include <sys/resource.h>
34 #include <fcntl.h>
35 #include <signal.h>
36 #include <sys/time.h>
37 #include <stdlib.h>
38 #include <getopt.h>
39 #include <dirent.h>
40 #include <string.h>
41 #include <ctype.h>
42 #include <sched.h>
43 #include <time.h>
44 #include <cpuid.h>
45 #include <linux/capability.h>
46 #include <errno.h>
47
48 char *proc_stat = "/proc/stat";
49 FILE *outf;
50 int *fd_percpu;
51 struct timeval interval_tv = {5, 0};
52 struct timespec interval_ts = {5, 0};
53 struct timespec one_msec = {0, 1000000};
54 unsigned int num_iterations;
55 unsigned int debug;
56 unsigned int quiet;
57 unsigned int shown;
58 unsigned int sums_need_wide_columns;
59 unsigned int rapl_joules;
60 unsigned int summary_only;
61 unsigned int list_header_only;
62 unsigned int dump_only;
63 unsigned int do_snb_cstates;
64 unsigned int do_knl_cstates;
65 unsigned int do_slm_cstates;
66 unsigned int do_cnl_cstates;
67 unsigned int use_c1_residency_msr;
68 unsigned int has_aperf;
69 unsigned int has_epb;
70 unsigned int do_irtl_snb;
71 unsigned int do_irtl_hsw;
72 unsigned int units = 1000000;   /* MHz etc */
73 unsigned int genuine_intel;
74 unsigned int has_invariant_tsc;
75 unsigned int do_nhm_platform_info;
76 unsigned int no_MSR_MISC_PWR_MGMT;
77 unsigned int aperf_mperf_multiplier = 1;
78 double bclk;
79 double base_hz;
80 unsigned int has_base_hz;
81 double tsc_tweak = 1.0;
82 unsigned int show_pkg_only;
83 unsigned int show_core_only;
84 char *output_buffer, *outp;
85 unsigned int do_rapl;
86 unsigned int do_dts;
87 unsigned int do_ptm;
88 unsigned long long  gfx_cur_rc6_ms;
89 unsigned long long cpuidle_cur_cpu_lpi_us;
90 unsigned long long cpuidle_cur_sys_lpi_us;
91 unsigned int gfx_cur_mhz;
92 unsigned int tcc_activation_temp;
93 unsigned int tcc_activation_temp_override;
94 double rapl_power_units, rapl_time_units;
95 double rapl_dram_energy_units, rapl_energy_units;
96 double rapl_joule_counter_range;
97 unsigned int do_core_perf_limit_reasons;
98 unsigned int has_automatic_cstate_conversion;
99 unsigned int do_gfx_perf_limit_reasons;
100 unsigned int do_ring_perf_limit_reasons;
101 unsigned int crystal_hz;
102 unsigned long long tsc_hz;
103 int base_cpu;
104 double discover_bclk(unsigned int family, unsigned int model);
105 unsigned int has_hwp;   /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */
106                         /* IA32_HWP_REQUEST, IA32_HWP_STATUS */
107 unsigned int has_hwp_notify;            /* IA32_HWP_INTERRUPT */
108 unsigned int has_hwp_activity_window;   /* IA32_HWP_REQUEST[bits 41:32] */
109 unsigned int has_hwp_epp;               /* IA32_HWP_REQUEST[bits 31:24] */
110 unsigned int has_hwp_pkg;               /* IA32_HWP_REQUEST_PKG */
111 unsigned int has_misc_feature_control;
112 unsigned int first_counter_read = 1;
113
114 #define RAPL_PKG                (1 << 0)
115                                         /* 0x610 MSR_PKG_POWER_LIMIT */
116                                         /* 0x611 MSR_PKG_ENERGY_STATUS */
117 #define RAPL_PKG_PERF_STATUS    (1 << 1)
118                                         /* 0x613 MSR_PKG_PERF_STATUS */
119 #define RAPL_PKG_POWER_INFO     (1 << 2)
120                                         /* 0x614 MSR_PKG_POWER_INFO */
121
122 #define RAPL_DRAM               (1 << 3)
123                                         /* 0x618 MSR_DRAM_POWER_LIMIT */
124                                         /* 0x619 MSR_DRAM_ENERGY_STATUS */
125 #define RAPL_DRAM_PERF_STATUS   (1 << 4)
126                                         /* 0x61b MSR_DRAM_PERF_STATUS */
127 #define RAPL_DRAM_POWER_INFO    (1 << 5)
128                                         /* 0x61c MSR_DRAM_POWER_INFO */
129
130 #define RAPL_CORES_POWER_LIMIT  (1 << 6)
131                                         /* 0x638 MSR_PP0_POWER_LIMIT */
132 #define RAPL_CORE_POLICY        (1 << 7)
133                                         /* 0x63a MSR_PP0_POLICY */
134
135 #define RAPL_GFX                (1 << 8)
136                                         /* 0x640 MSR_PP1_POWER_LIMIT */
137                                         /* 0x641 MSR_PP1_ENERGY_STATUS */
138                                         /* 0x642 MSR_PP1_POLICY */
139
140 #define RAPL_CORES_ENERGY_STATUS        (1 << 9)
141                                         /* 0x639 MSR_PP0_ENERGY_STATUS */
142 #define RAPL_CORES (RAPL_CORES_ENERGY_STATUS | RAPL_CORES_POWER_LIMIT)
143 #define TJMAX_DEFAULT   100
144
145 #define MAX(a, b) ((a) > (b) ? (a) : (b))
146
147 /*
148  * buffer size used by sscanf() for added column names
149  * Usually truncated to 7 characters, but also handles 18 columns for raw 64-bit counters
150  */
151 #define NAME_BYTES 20
152 #define PATH_BYTES 128
153
154 int backwards_count;
155 char *progname;
156
157 #define CPU_SUBSET_MAXCPUS      1024    /* need to use before probe... */
158 cpu_set_t *cpu_present_set, *cpu_affinity_set, *cpu_subset;
159 size_t cpu_present_setsize, cpu_affinity_setsize, cpu_subset_size;
160 #define MAX_ADDED_COUNTERS 8
161 #define MAX_ADDED_THREAD_COUNTERS 24
162 #define BITMASK_SIZE 32
163
164 struct thread_data {
165         struct timeval tv_begin;
166         struct timeval tv_end;
167         unsigned long long tsc;
168         unsigned long long aperf;
169         unsigned long long mperf;
170         unsigned long long c1;
171         unsigned long long  irq_count;
172         unsigned int smi_count;
173         unsigned int cpu_id;
174         unsigned int apic_id;
175         unsigned int x2apic_id;
176         unsigned int flags;
177 #define CPU_IS_FIRST_THREAD_IN_CORE     0x2
178 #define CPU_IS_FIRST_CORE_IN_PACKAGE    0x4
179         unsigned long long counter[MAX_ADDED_THREAD_COUNTERS];
180 } *thread_even, *thread_odd;
181
182 struct core_data {
183         unsigned long long c3;
184         unsigned long long c6;
185         unsigned long long c7;
186         unsigned long long mc6_us;      /* duplicate as per-core for now, even though per module */
187         unsigned int core_temp_c;
188         unsigned int core_id;
189         unsigned long long counter[MAX_ADDED_COUNTERS];
190 } *core_even, *core_odd;
191
192 struct pkg_data {
193         unsigned long long pc2;
194         unsigned long long pc3;
195         unsigned long long pc6;
196         unsigned long long pc7;
197         unsigned long long pc8;
198         unsigned long long pc9;
199         unsigned long long pc10;
200         unsigned long long cpu_lpi;
201         unsigned long long sys_lpi;
202         unsigned long long pkg_wtd_core_c0;
203         unsigned long long pkg_any_core_c0;
204         unsigned long long pkg_any_gfxe_c0;
205         unsigned long long pkg_both_core_gfxe_c0;
206         long long gfx_rc6_ms;
207         unsigned int gfx_mhz;
208         unsigned int package_id;
209         unsigned int energy_pkg;        /* MSR_PKG_ENERGY_STATUS */
210         unsigned int energy_dram;       /* MSR_DRAM_ENERGY_STATUS */
211         unsigned int energy_cores;      /* MSR_PP0_ENERGY_STATUS */
212         unsigned int energy_gfx;        /* MSR_PP1_ENERGY_STATUS */
213         unsigned int rapl_pkg_perf_status;      /* MSR_PKG_PERF_STATUS */
214         unsigned int rapl_dram_perf_status;     /* MSR_DRAM_PERF_STATUS */
215         unsigned int pkg_temp_c;
216         unsigned long long counter[MAX_ADDED_COUNTERS];
217 } *package_even, *package_odd;
218
219 #define ODD_COUNTERS thread_odd, core_odd, package_odd
220 #define EVEN_COUNTERS thread_even, core_even, package_even
221
222 #define GET_THREAD(thread_base, thread_no, core_no, node_no, pkg_no)          \
223         ((thread_base) +                                                      \
224          ((pkg_no) *                                                          \
225           topo.nodes_per_pkg * topo.cores_per_node * topo.threads_per_core) + \
226          ((node_no) * topo.cores_per_node * topo.threads_per_core) +          \
227          ((core_no) * topo.threads_per_core) +                                \
228          (thread_no))
229
230 #define GET_CORE(core_base, core_no, node_no, pkg_no)                   \
231         ((core_base) +                                                  \
232          ((pkg_no) *  topo.nodes_per_pkg * topo.cores_per_node) +       \
233          ((node_no) * topo.cores_per_node) +                            \
234          (core_no))
235
236
237 #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
238
239 enum counter_scope {SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE};
240 enum counter_type {COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC};
241 enum counter_format {FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT};
242
243 struct msr_counter {
244         unsigned int msr_num;
245         char name[NAME_BYTES];
246         char path[PATH_BYTES];
247         unsigned int width;
248         enum counter_type type;
249         enum counter_format format;
250         struct msr_counter *next;
251         unsigned int flags;
252 #define FLAGS_HIDE      (1 << 0)
253 #define FLAGS_SHOW      (1 << 1)
254 #define SYSFS_PERCPU    (1 << 1)
255 };
256
257 struct sys_counters {
258         unsigned int added_thread_counters;
259         unsigned int added_core_counters;
260         unsigned int added_package_counters;
261         struct msr_counter *tp;
262         struct msr_counter *cp;
263         struct msr_counter *pp;
264 } sys;
265
266 struct system_summary {
267         struct thread_data threads;
268         struct core_data cores;
269         struct pkg_data packages;
270 } average;
271
272 struct cpu_topology {
273         int physical_package_id;
274         int logical_cpu_id;
275         int physical_node_id;
276         int logical_node_id;    /* 0-based count within the package */
277         int physical_core_id;
278         int thread_id;
279         cpu_set_t *put_ids; /* Processing Unit/Thread IDs */
280 } *cpus;
281
282 struct topo_params {
283         int num_packages;
284         int num_cpus;
285         int num_cores;
286         int max_cpu_num;
287         int max_node_num;
288         int nodes_per_pkg;
289         int cores_per_node;
290         int threads_per_core;
291 } topo;
292
293 struct timeval tv_even, tv_odd, tv_delta;
294
295 int *irq_column_2_cpu;  /* /proc/interrupts column numbers */
296 int *irqs_per_cpu;              /* indexed by cpu_num */
297
298 void setup_all_buffers(void);
299
300 int cpu_is_not_present(int cpu)
301 {
302         return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
303 }
304 /*
305  * run func(thread, core, package) in topology order
306  * skip non-present cpus
307  */
308
309 int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
310         struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
311 {
312         int retval, pkg_no, core_no, thread_no, node_no;
313
314         for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
315                 for (core_no = 0; core_no < topo.cores_per_node; ++core_no) {
316                         for (node_no = 0; node_no < topo.nodes_per_pkg;
317                              node_no++) {
318                                 for (thread_no = 0; thread_no <
319                                         topo.threads_per_core; ++thread_no) {
320                                         struct thread_data *t;
321                                         struct core_data *c;
322                                         struct pkg_data *p;
323
324                                         t = GET_THREAD(thread_base, thread_no,
325                                                        core_no, node_no,
326                                                        pkg_no);
327
328                                         if (cpu_is_not_present(t->cpu_id))
329                                                 continue;
330
331                                         c = GET_CORE(core_base, core_no,
332                                                      node_no, pkg_no);
333                                         p = GET_PKG(pkg_base, pkg_no);
334
335                                         retval = func(t, c, p);
336                                         if (retval)
337                                                 return retval;
338                                 }
339                         }
340                 }
341         }
342         return 0;
343 }
344
345 int cpu_migrate(int cpu)
346 {
347         CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
348         CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
349         if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
350                 return -1;
351         else
352                 return 0;
353 }
354 int get_msr_fd(int cpu)
355 {
356         char pathname[32];
357         int fd;
358
359         fd = fd_percpu[cpu];
360
361         if (fd)
362                 return fd;
363
364         sprintf(pathname, "/dev/cpu/%d/msr", cpu);
365         fd = open(pathname, O_RDONLY);
366         if (fd < 0)
367                 err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
368
369         fd_percpu[cpu] = fd;
370
371         return fd;
372 }
373
374 int get_msr(int cpu, off_t offset, unsigned long long *msr)
375 {
376         ssize_t retval;
377
378         retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset);
379
380         if (retval != sizeof *msr)
381                 err(-1, "cpu%d: msr offset 0x%llx read failed", cpu, (unsigned long long)offset);
382
383         return 0;
384 }
385
386 /*
387  * This list matches the column headers, except
388  * 1. built-in only, the sysfs counters are not here -- we learn of those at run-time
389  * 2. Core and CPU are moved to the end, we can't have strings that contain them
390  *    matching on them for --show and --hide.
391  */
392 struct msr_counter bic[] = {
393         { 0x0, "usec" },
394         { 0x0, "Time_Of_Day_Seconds" },
395         { 0x0, "Package" },
396         { 0x0, "Node" },
397         { 0x0, "Avg_MHz" },
398         { 0x0, "Busy%" },
399         { 0x0, "Bzy_MHz" },
400         { 0x0, "TSC_MHz" },
401         { 0x0, "IRQ" },
402         { 0x0, "SMI", "", 32, 0, FORMAT_DELTA, NULL},
403         { 0x0, "sysfs" },
404         { 0x0, "CPU%c1" },
405         { 0x0, "CPU%c3" },
406         { 0x0, "CPU%c6" },
407         { 0x0, "CPU%c7" },
408         { 0x0, "ThreadC" },
409         { 0x0, "CoreTmp" },
410         { 0x0, "CoreCnt" },
411         { 0x0, "PkgTmp" },
412         { 0x0, "GFX%rc6" },
413         { 0x0, "GFXMHz" },
414         { 0x0, "Pkg%pc2" },
415         { 0x0, "Pkg%pc3" },
416         { 0x0, "Pkg%pc6" },
417         { 0x0, "Pkg%pc7" },
418         { 0x0, "Pkg%pc8" },
419         { 0x0, "Pkg%pc9" },
420         { 0x0, "Pk%pc10" },
421         { 0x0, "CPU%LPI" },
422         { 0x0, "SYS%LPI" },
423         { 0x0, "PkgWatt" },
424         { 0x0, "CorWatt" },
425         { 0x0, "GFXWatt" },
426         { 0x0, "PkgCnt" },
427         { 0x0, "RAMWatt" },
428         { 0x0, "PKG_%" },
429         { 0x0, "RAM_%" },
430         { 0x0, "Pkg_J" },
431         { 0x0, "Cor_J" },
432         { 0x0, "GFX_J" },
433         { 0x0, "RAM_J" },
434         { 0x0, "Mod%c6" },
435         { 0x0, "Totl%C0" },
436         { 0x0, "Any%C0" },
437         { 0x0, "GFX%C0" },
438         { 0x0, "CPUGFX%" },
439         { 0x0, "Core" },
440         { 0x0, "CPU" },
441         { 0x0, "APIC" },
442         { 0x0, "X2APIC" },
443 };
444
445 #define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter))
446 #define BIC_USEC        (1ULL << 0)
447 #define BIC_TOD         (1ULL << 1)
448 #define BIC_Package     (1ULL << 2)
449 #define BIC_Node        (1ULL << 3)
450 #define BIC_Avg_MHz     (1ULL << 4)
451 #define BIC_Busy        (1ULL << 5)
452 #define BIC_Bzy_MHz     (1ULL << 6)
453 #define BIC_TSC_MHz     (1ULL << 7)
454 #define BIC_IRQ         (1ULL << 8)
455 #define BIC_SMI         (1ULL << 9)
456 #define BIC_sysfs       (1ULL << 10)
457 #define BIC_CPU_c1      (1ULL << 11)
458 #define BIC_CPU_c3      (1ULL << 12)
459 #define BIC_CPU_c6      (1ULL << 13)
460 #define BIC_CPU_c7      (1ULL << 14)
461 #define BIC_ThreadC     (1ULL << 15)
462 #define BIC_CoreTmp     (1ULL << 16)
463 #define BIC_CoreCnt     (1ULL << 17)
464 #define BIC_PkgTmp      (1ULL << 18)
465 #define BIC_GFX_rc6     (1ULL << 19)
466 #define BIC_GFXMHz      (1ULL << 20)
467 #define BIC_Pkgpc2      (1ULL << 21)
468 #define BIC_Pkgpc3      (1ULL << 22)
469 #define BIC_Pkgpc6      (1ULL << 23)
470 #define BIC_Pkgpc7      (1ULL << 24)
471 #define BIC_Pkgpc8      (1ULL << 25)
472 #define BIC_Pkgpc9      (1ULL << 26)
473 #define BIC_Pkgpc10     (1ULL << 27)
474 #define BIC_CPU_LPI     (1ULL << 28)
475 #define BIC_SYS_LPI     (1ULL << 29)
476 #define BIC_PkgWatt     (1ULL << 30)
477 #define BIC_CorWatt     (1ULL << 31)
478 #define BIC_GFXWatt     (1ULL << 32)
479 #define BIC_PkgCnt      (1ULL << 33)
480 #define BIC_RAMWatt     (1ULL << 34)
481 #define BIC_PKG__       (1ULL << 35)
482 #define BIC_RAM__       (1ULL << 36)
483 #define BIC_Pkg_J       (1ULL << 37)
484 #define BIC_Cor_J       (1ULL << 38)
485 #define BIC_GFX_J       (1ULL << 39)
486 #define BIC_RAM_J       (1ULL << 40)
487 #define BIC_Mod_c6      (1ULL << 41)
488 #define BIC_Totl_c0     (1ULL << 42)
489 #define BIC_Any_c0      (1ULL << 43)
490 #define BIC_GFX_c0      (1ULL << 44)
491 #define BIC_CPUGFX      (1ULL << 45)
492 #define BIC_Core        (1ULL << 46)
493 #define BIC_CPU         (1ULL << 47)
494 #define BIC_APIC        (1ULL << 48)
495 #define BIC_X2APIC      (1ULL << 49)
496
497 #define BIC_DISABLED_BY_DEFAULT (BIC_USEC | BIC_TOD | BIC_APIC | BIC_X2APIC)
498
499 unsigned long long bic_enabled = (0xFFFFFFFFFFFFFFFFULL & ~BIC_DISABLED_BY_DEFAULT);
500 unsigned long long bic_present = BIC_USEC | BIC_TOD | BIC_sysfs | BIC_APIC | BIC_X2APIC;
501
502 #define DO_BIC(COUNTER_NAME) (bic_enabled & bic_present & COUNTER_NAME)
503 #define ENABLE_BIC(COUNTER_NAME) (bic_enabled |= COUNTER_NAME)
504 #define BIC_PRESENT(COUNTER_BIT) (bic_present |= COUNTER_BIT)
505 #define BIC_NOT_PRESENT(COUNTER_BIT) (bic_present &= ~COUNTER_BIT)
506
507
508 #define MAX_DEFERRED 16
509 char *deferred_skip_names[MAX_DEFERRED];
510 int deferred_skip_index;
511
512 /*
513  * HIDE_LIST - hide this list of counters, show the rest [default]
514  * SHOW_LIST - show this list of counters, hide the rest
515  */
516 enum show_hide_mode { SHOW_LIST, HIDE_LIST } global_show_hide_mode = HIDE_LIST;
517
518 void help(void)
519 {
520         fprintf(outf,
521         "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n"
522         "\n"
523         "Turbostat forks the specified COMMAND and prints statistics\n"
524         "when COMMAND completes.\n"
525         "If no COMMAND is specified, turbostat wakes every 5-seconds\n"
526         "to print statistics, until interrupted.\n"
527         "  -a, --add    add a counter\n"
528         "                 eg. --add msr0x10,u64,cpu,delta,MY_TSC\n"
529         "  -c, --cpu    cpu-set limit output to summary plus cpu-set:\n"
530         "                 {core | package | j,k,l..m,n-p }\n"
531         "  -d, --debug  displays usec, Time_Of_Day_Seconds and more debugging\n"
532         "  -D, --Dump   displays the raw counter values\n"
533         "  -e, --enable [all | column]\n"
534         "               shows all or the specified disabled column\n"
535         "  -H, --hide [column|column,column,...]\n"
536         "               hide the specified column(s)\n"
537         "  -i, --interval sec.subsec\n"
538         "               Override default 5-second measurement interval\n"
539         "  -J, --Joules displays energy in Joules instead of Watts\n"
540         "  -l, --list   list column headers only\n"
541         "  -n, --num_iterations num\n"
542         "               number of the measurement iterations\n"
543         "  -o, --out file\n"
544         "               create or truncate \"file\" for all output\n"
545         "  -q, --quiet  skip decoding system configuration header\n"
546         "  -s, --show [column|column,column,...]\n"
547         "               show only the specified column(s)\n"
548         "  -S, --Summary\n"
549         "               limits output to 1-line system summary per interval\n"
550         "  -T, --TCC temperature\n"
551         "               sets the Thermal Control Circuit temperature in\n"
552         "                 degrees Celsius\n"
553         "  -h, --help   print this help message\n"
554         "  -v, --version        print version information\n"
555         "\n"
556         "For more help, run \"man turbostat\"\n");
557 }
558
559 /*
560  * bic_lookup
561  * for all the strings in comma separate name_list,
562  * set the approprate bit in return value.
563  */
564 unsigned long long bic_lookup(char *name_list, enum show_hide_mode mode)
565 {
566         int i;
567         unsigned long long retval = 0;
568
569         while (name_list) {
570                 char *comma;
571
572                 comma = strchr(name_list, ',');
573
574                 if (comma)
575                         *comma = '\0';
576
577                 if (!strcmp(name_list, "all"))
578                         return ~0;
579
580                 for (i = 0; i < MAX_BIC; ++i) {
581                         if (!strcmp(name_list, bic[i].name)) {
582                                 retval |= (1ULL << i);
583                                 break;
584                         }
585                 }
586                 if (i == MAX_BIC) {
587                         if (mode == SHOW_LIST) {
588                                 fprintf(stderr, "Invalid counter name: %s\n", name_list);
589                                 exit(-1);
590                         }
591                         deferred_skip_names[deferred_skip_index++] = name_list;
592                         if (debug)
593                                 fprintf(stderr, "deferred \"%s\"\n", name_list);
594                         if (deferred_skip_index >= MAX_DEFERRED) {
595                                 fprintf(stderr, "More than max %d un-recognized --skip options '%s'\n",
596                                         MAX_DEFERRED, name_list);
597                                 help();
598                                 exit(1);
599                         }
600                 }
601
602                 name_list = comma;
603                 if (name_list)
604                         name_list++;
605
606         }
607         return retval;
608 }
609
610
611 void print_header(char *delim)
612 {
613         struct msr_counter *mp;
614         int printed = 0;
615
616         if (DO_BIC(BIC_USEC))
617                 outp += sprintf(outp, "%susec", (printed++ ? delim : ""));
618         if (DO_BIC(BIC_TOD))
619                 outp += sprintf(outp, "%sTime_Of_Day_Seconds", (printed++ ? delim : ""));
620         if (DO_BIC(BIC_Package))
621                 outp += sprintf(outp, "%sPackage", (printed++ ? delim : ""));
622         if (DO_BIC(BIC_Node))
623                 outp += sprintf(outp, "%sNode", (printed++ ? delim : ""));
624         if (DO_BIC(BIC_Core))
625                 outp += sprintf(outp, "%sCore", (printed++ ? delim : ""));
626         if (DO_BIC(BIC_CPU))
627                 outp += sprintf(outp, "%sCPU", (printed++ ? delim : ""));
628         if (DO_BIC(BIC_APIC))
629                 outp += sprintf(outp, "%sAPIC", (printed++ ? delim : ""));
630         if (DO_BIC(BIC_X2APIC))
631                 outp += sprintf(outp, "%sX2APIC", (printed++ ? delim : ""));
632         if (DO_BIC(BIC_Avg_MHz))
633                 outp += sprintf(outp, "%sAvg_MHz", (printed++ ? delim : ""));
634         if (DO_BIC(BIC_Busy))
635                 outp += sprintf(outp, "%sBusy%%", (printed++ ? delim : ""));
636         if (DO_BIC(BIC_Bzy_MHz))
637                 outp += sprintf(outp, "%sBzy_MHz", (printed++ ? delim : ""));
638         if (DO_BIC(BIC_TSC_MHz))
639                 outp += sprintf(outp, "%sTSC_MHz", (printed++ ? delim : ""));
640
641         if (DO_BIC(BIC_IRQ)) {
642                 if (sums_need_wide_columns)
643                         outp += sprintf(outp, "%s     IRQ", (printed++ ? delim : ""));
644                 else
645                         outp += sprintf(outp, "%sIRQ", (printed++ ? delim : ""));
646         }
647
648         if (DO_BIC(BIC_SMI))
649                 outp += sprintf(outp, "%sSMI", (printed++ ? delim : ""));
650
651         for (mp = sys.tp; mp; mp = mp->next) {
652
653                 if (mp->format == FORMAT_RAW) {
654                         if (mp->width == 64)
655                                 outp += sprintf(outp, "%s%18.18s", (printed++ ? delim : ""), mp->name);
656                         else
657                                 outp += sprintf(outp, "%s%10.10s", (printed++ ? delim : ""), mp->name);
658                 } else {
659                         if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
660                                 outp += sprintf(outp, "%s%8s", (printed++ ? delim : ""), mp->name);
661                         else
662                                 outp += sprintf(outp, "%s%s", (printed++ ? delim : ""), mp->name);
663                 }
664         }
665
666         if (DO_BIC(BIC_CPU_c1))
667                 outp += sprintf(outp, "%sCPU%%c1", (printed++ ? delim : ""));
668         if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates && !do_cnl_cstates)
669                 outp += sprintf(outp, "%sCPU%%c3", (printed++ ? delim : ""));
670         if (DO_BIC(BIC_CPU_c6))
671                 outp += sprintf(outp, "%sCPU%%c6", (printed++ ? delim : ""));
672         if (DO_BIC(BIC_CPU_c7))
673                 outp += sprintf(outp, "%sCPU%%c7", (printed++ ? delim : ""));
674
675         if (DO_BIC(BIC_Mod_c6))
676                 outp += sprintf(outp, "%sMod%%c6", (printed++ ? delim : ""));
677
678         if (DO_BIC(BIC_CoreTmp))
679                 outp += sprintf(outp, "%sCoreTmp", (printed++ ? delim : ""));
680
681         for (mp = sys.cp; mp; mp = mp->next) {
682                 if (mp->format == FORMAT_RAW) {
683                         if (mp->width == 64)
684                                 outp += sprintf(outp, "%s%18.18s", delim, mp->name);
685                         else
686                                 outp += sprintf(outp, "%s%10.10s", delim, mp->name);
687                 } else {
688                         if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
689                                 outp += sprintf(outp, "%s%8s", delim, mp->name);
690                         else
691                                 outp += sprintf(outp, "%s%s", delim, mp->name);
692                 }
693         }
694
695         if (DO_BIC(BIC_PkgTmp))
696                 outp += sprintf(outp, "%sPkgTmp", (printed++ ? delim : ""));
697
698         if (DO_BIC(BIC_GFX_rc6))
699                 outp += sprintf(outp, "%sGFX%%rc6", (printed++ ? delim : ""));
700
701         if (DO_BIC(BIC_GFXMHz))
702                 outp += sprintf(outp, "%sGFXMHz", (printed++ ? delim : ""));
703
704         if (DO_BIC(BIC_Totl_c0))
705                 outp += sprintf(outp, "%sTotl%%C0", (printed++ ? delim : ""));
706         if (DO_BIC(BIC_Any_c0))
707                 outp += sprintf(outp, "%sAny%%C0", (printed++ ? delim : ""));
708         if (DO_BIC(BIC_GFX_c0))
709                 outp += sprintf(outp, "%sGFX%%C0", (printed++ ? delim : ""));
710         if (DO_BIC(BIC_CPUGFX))
711                 outp += sprintf(outp, "%sCPUGFX%%", (printed++ ? delim : ""));
712
713         if (DO_BIC(BIC_Pkgpc2))
714                 outp += sprintf(outp, "%sPkg%%pc2", (printed++ ? delim : ""));
715         if (DO_BIC(BIC_Pkgpc3))
716                 outp += sprintf(outp, "%sPkg%%pc3", (printed++ ? delim : ""));
717         if (DO_BIC(BIC_Pkgpc6))
718                 outp += sprintf(outp, "%sPkg%%pc6", (printed++ ? delim : ""));
719         if (DO_BIC(BIC_Pkgpc7))
720                 outp += sprintf(outp, "%sPkg%%pc7", (printed++ ? delim : ""));
721         if (DO_BIC(BIC_Pkgpc8))
722                 outp += sprintf(outp, "%sPkg%%pc8", (printed++ ? delim : ""));
723         if (DO_BIC(BIC_Pkgpc9))
724                 outp += sprintf(outp, "%sPkg%%pc9", (printed++ ? delim : ""));
725         if (DO_BIC(BIC_Pkgpc10))
726                 outp += sprintf(outp, "%sPk%%pc10", (printed++ ? delim : ""));
727         if (DO_BIC(BIC_CPU_LPI))
728                 outp += sprintf(outp, "%sCPU%%LPI", (printed++ ? delim : ""));
729         if (DO_BIC(BIC_SYS_LPI))
730                 outp += sprintf(outp, "%sSYS%%LPI", (printed++ ? delim : ""));
731
732         if (do_rapl && !rapl_joules) {
733                 if (DO_BIC(BIC_PkgWatt))
734                         outp += sprintf(outp, "%sPkgWatt", (printed++ ? delim : ""));
735                 if (DO_BIC(BIC_CorWatt))
736                         outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
737                 if (DO_BIC(BIC_GFXWatt))
738                         outp += sprintf(outp, "%sGFXWatt", (printed++ ? delim : ""));
739                 if (DO_BIC(BIC_RAMWatt))
740                         outp += sprintf(outp, "%sRAMWatt", (printed++ ? delim : ""));
741                 if (DO_BIC(BIC_PKG__))
742                         outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : ""));
743                 if (DO_BIC(BIC_RAM__))
744                         outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
745         } else if (do_rapl && rapl_joules) {
746                 if (DO_BIC(BIC_Pkg_J))
747                         outp += sprintf(outp, "%sPkg_J", (printed++ ? delim : ""));
748                 if (DO_BIC(BIC_Cor_J))
749                         outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
750                 if (DO_BIC(BIC_GFX_J))
751                         outp += sprintf(outp, "%sGFX_J", (printed++ ? delim : ""));
752                 if (DO_BIC(BIC_RAM_J))
753                         outp += sprintf(outp, "%sRAM_J", (printed++ ? delim : ""));
754                 if (DO_BIC(BIC_PKG__))
755                         outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : ""));
756                 if (DO_BIC(BIC_RAM__))
757                         outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
758         }
759         for (mp = sys.pp; mp; mp = mp->next) {
760                 if (mp->format == FORMAT_RAW) {
761                         if (mp->width == 64)
762                                 outp += sprintf(outp, "%s%18.18s", delim, mp->name);
763                         else
764                                 outp += sprintf(outp, "%s%10.10s", delim, mp->name);
765                 } else {
766                         if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
767                                 outp += sprintf(outp, "%s%8s", delim, mp->name);
768                         else
769                                 outp += sprintf(outp, "%s%s", delim, mp->name);
770                 }
771         }
772
773         outp += sprintf(outp, "\n");
774 }
775
776 int dump_counters(struct thread_data *t, struct core_data *c,
777         struct pkg_data *p)
778 {
779         int i;
780         struct msr_counter *mp;
781
782         outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p);
783
784         if (t) {
785                 outp += sprintf(outp, "CPU: %d flags 0x%x\n",
786                         t->cpu_id, t->flags);
787                 outp += sprintf(outp, "TSC: %016llX\n", t->tsc);
788                 outp += sprintf(outp, "aperf: %016llX\n", t->aperf);
789                 outp += sprintf(outp, "mperf: %016llX\n", t->mperf);
790                 outp += sprintf(outp, "c1: %016llX\n", t->c1);
791
792                 if (DO_BIC(BIC_IRQ))
793                         outp += sprintf(outp, "IRQ: %lld\n", t->irq_count);
794                 if (DO_BIC(BIC_SMI))
795                         outp += sprintf(outp, "SMI: %d\n", t->smi_count);
796
797                 for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
798                         outp += sprintf(outp, "tADDED [%d] msr0x%x: %08llX\n",
799                                 i, mp->msr_num, t->counter[i]);
800                 }
801         }
802
803         if (c) {
804                 outp += sprintf(outp, "core: %d\n", c->core_id);
805                 outp += sprintf(outp, "c3: %016llX\n", c->c3);
806                 outp += sprintf(outp, "c6: %016llX\n", c->c6);
807                 outp += sprintf(outp, "c7: %016llX\n", c->c7);
808                 outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
809
810                 for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
811                         outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n",
812                                 i, mp->msr_num, c->counter[i]);
813                 }
814                 outp += sprintf(outp, "mc6_us: %016llX\n", c->mc6_us);
815         }
816
817         if (p) {
818                 outp += sprintf(outp, "package: %d\n", p->package_id);
819
820                 outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
821                 outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0);
822                 outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0);
823                 outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0);
824
825                 outp += sprintf(outp, "pc2: %016llX\n", p->pc2);
826                 if (DO_BIC(BIC_Pkgpc3))
827                         outp += sprintf(outp, "pc3: %016llX\n", p->pc3);
828                 if (DO_BIC(BIC_Pkgpc6))
829                         outp += sprintf(outp, "pc6: %016llX\n", p->pc6);
830                 if (DO_BIC(BIC_Pkgpc7))
831                         outp += sprintf(outp, "pc7: %016llX\n", p->pc7);
832                 outp += sprintf(outp, "pc8: %016llX\n", p->pc8);
833                 outp += sprintf(outp, "pc9: %016llX\n", p->pc9);
834                 outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
835                 outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
836                 outp += sprintf(outp, "cpu_lpi: %016llX\n", p->cpu_lpi);
837                 outp += sprintf(outp, "sys_lpi: %016llX\n", p->sys_lpi);
838                 outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg);
839                 outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores);
840                 outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx);
841                 outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram);
842                 outp += sprintf(outp, "Throttle PKG: %0X\n",
843                         p->rapl_pkg_perf_status);
844                 outp += sprintf(outp, "Throttle RAM: %0X\n",
845                         p->rapl_dram_perf_status);
846                 outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
847
848                 for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
849                         outp += sprintf(outp, "pADDED [%d] msr0x%x: %08llX\n",
850                                 i, mp->msr_num, p->counter[i]);
851                 }
852         }
853
854         outp += sprintf(outp, "\n");
855
856         return 0;
857 }
858
859 /*
860  * column formatting convention & formats
861  */
862 int format_counters(struct thread_data *t, struct core_data *c,
863         struct pkg_data *p)
864 {
865         double interval_float, tsc;
866         char *fmt8;
867         int i;
868         struct msr_counter *mp;
869         char *delim = "\t";
870         int printed = 0;
871
872          /* if showing only 1st thread in core and this isn't one, bail out */
873         if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
874                 return 0;
875
876          /* if showing only 1st thread in pkg and this isn't one, bail out */
877         if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
878                 return 0;
879
880         /*if not summary line and --cpu is used */
881         if ((t != &average.threads) &&
882                 (cpu_subset && !CPU_ISSET_S(t->cpu_id, cpu_subset_size, cpu_subset)))
883                 return 0;
884
885         if (DO_BIC(BIC_USEC)) {
886                 /* on each row, print how many usec each timestamp took to gather */
887                 struct timeval tv;
888
889                 timersub(&t->tv_end, &t->tv_begin, &tv);
890                 outp += sprintf(outp, "%5ld\t", tv.tv_sec * 1000000 + tv.tv_usec);
891         }
892
893         /* Time_Of_Day_Seconds: on each row, print sec.usec last timestamp taken */
894         if (DO_BIC(BIC_TOD))
895                 outp += sprintf(outp, "%10ld.%06ld\t", t->tv_end.tv_sec, t->tv_end.tv_usec);
896
897         interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
898
899         tsc = t->tsc * tsc_tweak;
900
901         /* topo columns, print blanks on 1st (average) line */
902         if (t == &average.threads) {
903                 if (DO_BIC(BIC_Package))
904                         outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
905                 if (DO_BIC(BIC_Node))
906                         outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
907                 if (DO_BIC(BIC_Core))
908                         outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
909                 if (DO_BIC(BIC_CPU))
910                         outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
911                 if (DO_BIC(BIC_APIC))
912                         outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
913                 if (DO_BIC(BIC_X2APIC))
914                         outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
915         } else {
916                 if (DO_BIC(BIC_Package)) {
917                         if (p)
918                                 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->package_id);
919                         else
920                                 outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
921                 }
922                 if (DO_BIC(BIC_Node)) {
923                         if (t)
924                                 outp += sprintf(outp, "%s%d",
925                                                 (printed++ ? delim : ""),
926                                               cpus[t->cpu_id].physical_node_id);
927                         else
928                                 outp += sprintf(outp, "%s-",
929                                                 (printed++ ? delim : ""));
930                 }
931                 if (DO_BIC(BIC_Core)) {
932                         if (c)
933                                 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_id);
934                         else
935                                 outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
936                 }
937                 if (DO_BIC(BIC_CPU))
938                         outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->cpu_id);
939                 if (DO_BIC(BIC_APIC))
940                         outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->apic_id);
941                 if (DO_BIC(BIC_X2APIC))
942                         outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->x2apic_id);
943         }
944
945         if (DO_BIC(BIC_Avg_MHz))
946                 outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""),
947                         1.0 / units * t->aperf / interval_float);
948
949         if (DO_BIC(BIC_Busy))
950                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->mperf/tsc);
951
952         if (DO_BIC(BIC_Bzy_MHz)) {
953                 if (has_base_hz)
954                         outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), base_hz / units * t->aperf / t->mperf);
955                 else
956                         outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""),
957                                 tsc / units * t->aperf / t->mperf / interval_float);
958         }
959
960         if (DO_BIC(BIC_TSC_MHz))
961                 outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), 1.0 * t->tsc/units/interval_float);
962
963         /* IRQ */
964         if (DO_BIC(BIC_IRQ)) {
965                 if (sums_need_wide_columns)
966                         outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->irq_count);
967                 else
968                         outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->irq_count);
969         }
970
971         /* SMI */
972         if (DO_BIC(BIC_SMI))
973                 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->smi_count);
974
975         /* Added counters */
976         for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
977                 if (mp->format == FORMAT_RAW) {
978                         if (mp->width == 32)
979                                 outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) t->counter[i]);
980                         else
981                                 outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), t->counter[i]);
982                 } else if (mp->format == FORMAT_DELTA) {
983                         if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
984                                 outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->counter[i]);
985                         else
986                                 outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->counter[i]);
987                 } else if (mp->format == FORMAT_PERCENT) {
988                         if (mp->type == COUNTER_USEC)
989                                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), t->counter[i]/interval_float/10000);
990                         else
991                                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->counter[i]/tsc);
992                 }
993         }
994
995         /* C1 */
996         if (DO_BIC(BIC_CPU_c1))
997                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->c1/tsc);
998
999
1000         /* print per-core data only for 1st thread in core */
1001         if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1002                 goto done;
1003
1004         if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates && !do_cnl_cstates)
1005                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c3/tsc);
1006         if (DO_BIC(BIC_CPU_c6))
1007                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c6/tsc);
1008         if (DO_BIC(BIC_CPU_c7))
1009                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c7/tsc);
1010
1011         /* Mod%c6 */
1012         if (DO_BIC(BIC_Mod_c6))
1013                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->mc6_us / tsc);
1014
1015         if (DO_BIC(BIC_CoreTmp))
1016                 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_temp_c);
1017
1018         for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1019                 if (mp->format == FORMAT_RAW) {
1020                         if (mp->width == 32)
1021                                 outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) c->counter[i]);
1022                         else
1023                                 outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), c->counter[i]);
1024                 } else if (mp->format == FORMAT_DELTA) {
1025                         if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1026                                 outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), c->counter[i]);
1027                         else
1028                                 outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), c->counter[i]);
1029                 } else if (mp->format == FORMAT_PERCENT) {
1030                         outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->counter[i]/tsc);
1031                 }
1032         }
1033
1034         /* print per-package data only for 1st core in package */
1035         if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1036                 goto done;
1037
1038         /* PkgTmp */
1039         if (DO_BIC(BIC_PkgTmp))
1040                 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->pkg_temp_c);
1041
1042         /* GFXrc6 */
1043         if (DO_BIC(BIC_GFX_rc6)) {
1044                 if (p->gfx_rc6_ms == -1) {      /* detect GFX counter reset */
1045                         outp += sprintf(outp, "%s**.**", (printed++ ? delim : ""));
1046                 } else {
1047                         outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""),
1048                                 p->gfx_rc6_ms / 10.0 / interval_float);
1049                 }
1050         }
1051
1052         /* GFXMHz */
1053         if (DO_BIC(BIC_GFXMHz))
1054                 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->gfx_mhz);
1055
1056         /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
1057         if (DO_BIC(BIC_Totl_c0))
1058                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_wtd_core_c0/tsc);
1059         if (DO_BIC(BIC_Any_c0))
1060                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_core_c0/tsc);
1061         if (DO_BIC(BIC_GFX_c0))
1062                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_gfxe_c0/tsc);
1063         if (DO_BIC(BIC_CPUGFX))
1064                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_both_core_gfxe_c0/tsc);
1065
1066         if (DO_BIC(BIC_Pkgpc2))
1067                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc2/tsc);
1068         if (DO_BIC(BIC_Pkgpc3))
1069                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc3/tsc);
1070         if (DO_BIC(BIC_Pkgpc6))
1071                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc6/tsc);
1072         if (DO_BIC(BIC_Pkgpc7))
1073                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc7/tsc);
1074         if (DO_BIC(BIC_Pkgpc8))
1075                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc8/tsc);
1076         if (DO_BIC(BIC_Pkgpc9))
1077                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc9/tsc);
1078         if (DO_BIC(BIC_Pkgpc10))
1079                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc10/tsc);
1080
1081         if (DO_BIC(BIC_CPU_LPI))
1082                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->cpu_lpi / 1000000.0 / interval_float);
1083         if (DO_BIC(BIC_SYS_LPI))
1084                 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->sys_lpi / 1000000.0 / interval_float);
1085
1086         /*
1087          * If measurement interval exceeds minimum RAPL Joule Counter range,
1088          * indicate that results are suspect by printing "**" in fraction place.
1089          */
1090         if (interval_float < rapl_joule_counter_range)
1091                 fmt8 = "%s%.2f";
1092         else
1093                 fmt8 = "%6.0f**";
1094
1095         if (DO_BIC(BIC_PkgWatt))
1096                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units / interval_float);
1097         if (DO_BIC(BIC_CorWatt))
1098                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units / interval_float);
1099         if (DO_BIC(BIC_GFXWatt))
1100                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units / interval_float);
1101         if (DO_BIC(BIC_RAMWatt))
1102                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units / interval_float);
1103         if (DO_BIC(BIC_Pkg_J))
1104                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units);
1105         if (DO_BIC(BIC_Cor_J))
1106                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units);
1107         if (DO_BIC(BIC_GFX_J))
1108                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units);
1109         if (DO_BIC(BIC_RAM_J))
1110                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units);
1111         if (DO_BIC(BIC_PKG__))
1112                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
1113         if (DO_BIC(BIC_RAM__))
1114                 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
1115
1116         for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1117                 if (mp->format == FORMAT_RAW) {
1118                         if (mp->width == 32)
1119                                 outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) p->counter[i]);
1120                         else
1121                                 outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), p->counter[i]);
1122                 } else if (mp->format == FORMAT_DELTA) {
1123                         if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1124                                 outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), p->counter[i]);
1125                         else
1126                                 outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), p->counter[i]);
1127                 } else if (mp->format == FORMAT_PERCENT) {
1128                         outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->counter[i]/tsc);
1129                 }
1130         }
1131
1132 done:
1133         if (*(outp - 1) != '\n')
1134                 outp += sprintf(outp, "\n");
1135
1136         return 0;
1137 }
1138
1139 void flush_output_stdout(void)
1140 {
1141         FILE *filep;
1142
1143         if (outf == stderr)
1144                 filep = stdout;
1145         else
1146                 filep = outf;
1147
1148         fputs(output_buffer, filep);
1149         fflush(filep);
1150
1151         outp = output_buffer;
1152 }
1153 void flush_output_stderr(void)
1154 {
1155         fputs(output_buffer, outf);
1156         fflush(outf);
1157         outp = output_buffer;
1158 }
1159 void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1160 {
1161         static int printed;
1162
1163         if (!printed || !summary_only)
1164                 print_header("\t");
1165
1166         if (topo.num_cpus > 1)
1167                 format_counters(&average.threads, &average.cores,
1168                         &average.packages);
1169
1170         printed = 1;
1171
1172         if (summary_only)
1173                 return;
1174
1175         for_all_cpus(format_counters, t, c, p);
1176 }
1177
1178 #define DELTA_WRAP32(new, old)                  \
1179         if (new > old) {                        \
1180                 old = new - old;                \
1181         } else {                                \
1182                 old = 0x100000000 + new - old;  \
1183         }
1184
1185 int
1186 delta_package(struct pkg_data *new, struct pkg_data *old)
1187 {
1188         int i;
1189         struct msr_counter *mp;
1190
1191
1192         if (DO_BIC(BIC_Totl_c0))
1193                 old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0;
1194         if (DO_BIC(BIC_Any_c0))
1195                 old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0;
1196         if (DO_BIC(BIC_GFX_c0))
1197                 old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0;
1198         if (DO_BIC(BIC_CPUGFX))
1199                 old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0;
1200
1201         old->pc2 = new->pc2 - old->pc2;
1202         if (DO_BIC(BIC_Pkgpc3))
1203                 old->pc3 = new->pc3 - old->pc3;
1204         if (DO_BIC(BIC_Pkgpc6))
1205                 old->pc6 = new->pc6 - old->pc6;
1206         if (DO_BIC(BIC_Pkgpc7))
1207                 old->pc7 = new->pc7 - old->pc7;
1208         old->pc8 = new->pc8 - old->pc8;
1209         old->pc9 = new->pc9 - old->pc9;
1210         old->pc10 = new->pc10 - old->pc10;
1211         old->cpu_lpi = new->cpu_lpi - old->cpu_lpi;
1212         old->sys_lpi = new->sys_lpi - old->sys_lpi;
1213         old->pkg_temp_c = new->pkg_temp_c;
1214
1215         /* flag an error when rc6 counter resets/wraps */
1216         if (old->gfx_rc6_ms >  new->gfx_rc6_ms)
1217                 old->gfx_rc6_ms = -1;
1218         else
1219                 old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms;
1220
1221         old->gfx_mhz = new->gfx_mhz;
1222
1223         DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
1224         DELTA_WRAP32(new->energy_cores, old->energy_cores);
1225         DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
1226         DELTA_WRAP32(new->energy_dram, old->energy_dram);
1227         DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
1228         DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
1229
1230         for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1231                 if (mp->format == FORMAT_RAW)
1232                         old->counter[i] = new->counter[i];
1233                 else
1234                         old->counter[i] = new->counter[i] - old->counter[i];
1235         }
1236
1237         return 0;
1238 }
1239
1240 void
1241 delta_core(struct core_data *new, struct core_data *old)
1242 {
1243         int i;
1244         struct msr_counter *mp;
1245
1246         old->c3 = new->c3 - old->c3;
1247         old->c6 = new->c6 - old->c6;
1248         old->c7 = new->c7 - old->c7;
1249         old->core_temp_c = new->core_temp_c;
1250         old->mc6_us = new->mc6_us - old->mc6_us;
1251
1252         for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1253                 if (mp->format == FORMAT_RAW)
1254                         old->counter[i] = new->counter[i];
1255                 else
1256                         old->counter[i] = new->counter[i] - old->counter[i];
1257         }
1258 }
1259
1260 /*
1261  * old = new - old
1262  */
1263 int
1264 delta_thread(struct thread_data *new, struct thread_data *old,
1265         struct core_data *core_delta)
1266 {
1267         int i;
1268         struct msr_counter *mp;
1269
1270         /* we run cpuid just the 1st time, copy the results */
1271         if (DO_BIC(BIC_APIC))
1272                 new->apic_id = old->apic_id;
1273         if (DO_BIC(BIC_X2APIC))
1274                 new->x2apic_id = old->x2apic_id;
1275
1276         /*
1277          * the timestamps from start of measurement interval are in "old"
1278          * the timestamp from end of measurement interval are in "new"
1279          * over-write old w/ new so we can print end of interval values
1280          */
1281
1282         old->tv_begin = new->tv_begin;
1283         old->tv_end = new->tv_end;
1284
1285         old->tsc = new->tsc - old->tsc;
1286
1287         /* check for TSC < 1 Mcycles over interval */
1288         if (old->tsc < (1000 * 1000))
1289                 errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
1290                      "You can disable all c-states by booting with \"idle=poll\"\n"
1291                      "or just the deep ones with \"processor.max_cstate=1\"");
1292
1293         old->c1 = new->c1 - old->c1;
1294
1295         if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz)) {
1296                 if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
1297                         old->aperf = new->aperf - old->aperf;
1298                         old->mperf = new->mperf - old->mperf;
1299                 } else {
1300                         return -1;
1301                 }
1302         }
1303
1304
1305         if (use_c1_residency_msr) {
1306                 /*
1307                  * Some models have a dedicated C1 residency MSR,
1308                  * which should be more accurate than the derivation below.
1309                  */
1310         } else {
1311                 /*
1312                  * As counter collection is not atomic,
1313                  * it is possible for mperf's non-halted cycles + idle states
1314                  * to exceed TSC's all cycles: show c1 = 0% in that case.
1315                  */
1316                 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > (old->tsc * tsc_tweak))
1317                         old->c1 = 0;
1318                 else {
1319                         /* normal case, derive c1 */
1320                         old->c1 = (old->tsc * tsc_tweak) - old->mperf - core_delta->c3
1321                                 - core_delta->c6 - core_delta->c7;
1322                 }
1323         }
1324
1325         if (old->mperf == 0) {
1326                 if (debug > 1)
1327                         fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id);
1328                 old->mperf = 1; /* divide by 0 protection */
1329         }
1330
1331         if (DO_BIC(BIC_IRQ))
1332                 old->irq_count = new->irq_count - old->irq_count;
1333
1334         if (DO_BIC(BIC_SMI))
1335                 old->smi_count = new->smi_count - old->smi_count;
1336
1337         for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1338                 if (mp->format == FORMAT_RAW)
1339                         old->counter[i] = new->counter[i];
1340                 else
1341                         old->counter[i] = new->counter[i] - old->counter[i];
1342         }
1343         return 0;
1344 }
1345
1346 int delta_cpu(struct thread_data *t, struct core_data *c,
1347         struct pkg_data *p, struct thread_data *t2,
1348         struct core_data *c2, struct pkg_data *p2)
1349 {
1350         int retval = 0;
1351
1352         /* calculate core delta only for 1st thread in core */
1353         if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
1354                 delta_core(c, c2);
1355
1356         /* always calculate thread delta */
1357         retval = delta_thread(t, t2, c2);       /* c2 is core delta */
1358         if (retval)
1359                 return retval;
1360
1361         /* calculate package delta only for 1st core in package */
1362         if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
1363                 retval = delta_package(p, p2);
1364
1365         return retval;
1366 }
1367
1368 void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1369 {
1370         int i;
1371         struct msr_counter  *mp;
1372
1373         t->tv_begin.tv_sec = 0;
1374         t->tv_begin.tv_usec = 0;
1375         t->tv_end.tv_sec = 0;
1376         t->tv_end.tv_usec = 0;
1377
1378         t->tsc = 0;
1379         t->aperf = 0;
1380         t->mperf = 0;
1381         t->c1 = 0;
1382
1383         t->irq_count = 0;
1384         t->smi_count = 0;
1385
1386         /* tells format_counters to dump all fields from this set */
1387         t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
1388
1389         c->c3 = 0;
1390         c->c6 = 0;
1391         c->c7 = 0;
1392         c->mc6_us = 0;
1393         c->core_temp_c = 0;
1394
1395         p->pkg_wtd_core_c0 = 0;
1396         p->pkg_any_core_c0 = 0;
1397         p->pkg_any_gfxe_c0 = 0;
1398         p->pkg_both_core_gfxe_c0 = 0;
1399
1400         p->pc2 = 0;
1401         if (DO_BIC(BIC_Pkgpc3))
1402                 p->pc3 = 0;
1403         if (DO_BIC(BIC_Pkgpc6))
1404                 p->pc6 = 0;
1405         if (DO_BIC(BIC_Pkgpc7))
1406                 p->pc7 = 0;
1407         p->pc8 = 0;
1408         p->pc9 = 0;
1409         p->pc10 = 0;
1410         p->cpu_lpi = 0;
1411         p->sys_lpi = 0;
1412
1413         p->energy_pkg = 0;
1414         p->energy_dram = 0;
1415         p->energy_cores = 0;
1416         p->energy_gfx = 0;
1417         p->rapl_pkg_perf_status = 0;
1418         p->rapl_dram_perf_status = 0;
1419         p->pkg_temp_c = 0;
1420
1421         p->gfx_rc6_ms = 0;
1422         p->gfx_mhz = 0;
1423         for (i = 0, mp = sys.tp; mp; i++, mp = mp->next)
1424                 t->counter[i] = 0;
1425
1426         for (i = 0, mp = sys.cp; mp; i++, mp = mp->next)
1427                 c->counter[i] = 0;
1428
1429         for (i = 0, mp = sys.pp; mp; i++, mp = mp->next)
1430                 p->counter[i] = 0;
1431 }
1432 int sum_counters(struct thread_data *t, struct core_data *c,
1433         struct pkg_data *p)
1434 {
1435         int i;
1436         struct msr_counter *mp;
1437
1438         /* copy un-changing apic_id's */
1439         if (DO_BIC(BIC_APIC))
1440                 average.threads.apic_id = t->apic_id;
1441         if (DO_BIC(BIC_X2APIC))
1442                 average.threads.x2apic_id = t->x2apic_id;
1443
1444         /* remember first tv_begin */
1445         if (average.threads.tv_begin.tv_sec == 0)
1446                 average.threads.tv_begin = t->tv_begin;
1447
1448         /* remember last tv_end */
1449         average.threads.tv_end = t->tv_end;
1450
1451         average.threads.tsc += t->tsc;
1452         average.threads.aperf += t->aperf;
1453         average.threads.mperf += t->mperf;
1454         average.threads.c1 += t->c1;
1455
1456         average.threads.irq_count += t->irq_count;
1457         average.threads.smi_count += t->smi_count;
1458
1459         for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1460                 if (mp->format == FORMAT_RAW)
1461                         continue;
1462                 average.threads.counter[i] += t->counter[i];
1463         }
1464
1465         /* sum per-core values only for 1st thread in core */
1466         if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1467                 return 0;
1468
1469         average.cores.c3 += c->c3;
1470         average.cores.c6 += c->c6;
1471         average.cores.c7 += c->c7;
1472         average.cores.mc6_us += c->mc6_us;
1473
1474         average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
1475
1476         for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1477                 if (mp->format == FORMAT_RAW)
1478                         continue;
1479                 average.cores.counter[i] += c->counter[i];
1480         }
1481
1482         /* sum per-pkg values only for 1st core in pkg */
1483         if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1484                 return 0;
1485
1486         if (DO_BIC(BIC_Totl_c0))
1487                 average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0;
1488         if (DO_BIC(BIC_Any_c0))
1489                 average.packages.pkg_any_core_c0 += p->pkg_any_core_c0;
1490         if (DO_BIC(BIC_GFX_c0))
1491                 average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0;
1492         if (DO_BIC(BIC_CPUGFX))
1493                 average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0;
1494
1495         average.packages.pc2 += p->pc2;
1496         if (DO_BIC(BIC_Pkgpc3))
1497                 average.packages.pc3 += p->pc3;
1498         if (DO_BIC(BIC_Pkgpc6))
1499                 average.packages.pc6 += p->pc6;
1500         if (DO_BIC(BIC_Pkgpc7))
1501                 average.packages.pc7 += p->pc7;
1502         average.packages.pc8 += p->pc8;
1503         average.packages.pc9 += p->pc9;
1504         average.packages.pc10 += p->pc10;
1505
1506         average.packages.cpu_lpi = p->cpu_lpi;
1507         average.packages.sys_lpi = p->sys_lpi;
1508
1509         average.packages.energy_pkg += p->energy_pkg;
1510         average.packages.energy_dram += p->energy_dram;
1511         average.packages.energy_cores += p->energy_cores;
1512         average.packages.energy_gfx += p->energy_gfx;
1513
1514         average.packages.gfx_rc6_ms = p->gfx_rc6_ms;
1515         average.packages.gfx_mhz = p->gfx_mhz;
1516
1517         average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
1518
1519         average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
1520         average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
1521
1522         for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1523                 if (mp->format == FORMAT_RAW)
1524                         continue;
1525                 average.packages.counter[i] += p->counter[i];
1526         }
1527         return 0;
1528 }
1529 /*
1530  * sum the counters for all cpus in the system
1531  * compute the weighted average
1532  */
1533 void compute_average(struct thread_data *t, struct core_data *c,
1534         struct pkg_data *p)
1535 {
1536         int i;
1537         struct msr_counter *mp;
1538
1539         clear_counters(&average.threads, &average.cores, &average.packages);
1540
1541         for_all_cpus(sum_counters, t, c, p);
1542
1543         average.threads.tsc /= topo.num_cpus;
1544         average.threads.aperf /= topo.num_cpus;
1545         average.threads.mperf /= topo.num_cpus;
1546         average.threads.c1 /= topo.num_cpus;
1547
1548         if (average.threads.irq_count > 9999999)
1549                 sums_need_wide_columns = 1;
1550
1551         average.cores.c3 /= topo.num_cores;
1552         average.cores.c6 /= topo.num_cores;
1553         average.cores.c7 /= topo.num_cores;
1554         average.cores.mc6_us /= topo.num_cores;
1555
1556         if (DO_BIC(BIC_Totl_c0))
1557                 average.packages.pkg_wtd_core_c0 /= topo.num_packages;
1558         if (DO_BIC(BIC_Any_c0))
1559                 average.packages.pkg_any_core_c0 /= topo.num_packages;
1560         if (DO_BIC(BIC_GFX_c0))
1561                 average.packages.pkg_any_gfxe_c0 /= topo.num_packages;
1562         if (DO_BIC(BIC_CPUGFX))
1563                 average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages;
1564
1565         average.packages.pc2 /= topo.num_packages;
1566         if (DO_BIC(BIC_Pkgpc3))
1567                 average.packages.pc3 /= topo.num_packages;
1568         if (DO_BIC(BIC_Pkgpc6))
1569                 average.packages.pc6 /= topo.num_packages;
1570         if (DO_BIC(BIC_Pkgpc7))
1571                 average.packages.pc7 /= topo.num_packages;
1572
1573         average.packages.pc8 /= topo.num_packages;
1574         average.packages.pc9 /= topo.num_packages;
1575         average.packages.pc10 /= topo.num_packages;
1576
1577         for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1578                 if (mp->format == FORMAT_RAW)
1579                         continue;
1580                 if (mp->type == COUNTER_ITEMS) {
1581                         if (average.threads.counter[i] > 9999999)
1582                                 sums_need_wide_columns = 1;
1583                         continue;
1584                 }
1585                 average.threads.counter[i] /= topo.num_cpus;
1586         }
1587         for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1588                 if (mp->format == FORMAT_RAW)
1589                         continue;
1590                 if (mp->type == COUNTER_ITEMS) {
1591                         if (average.cores.counter[i] > 9999999)
1592                                 sums_need_wide_columns = 1;
1593                 }
1594                 average.cores.counter[i] /= topo.num_cores;
1595         }
1596         for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1597                 if (mp->format == FORMAT_RAW)
1598                         continue;
1599                 if (mp->type == COUNTER_ITEMS) {
1600                         if (average.packages.counter[i] > 9999999)
1601                                 sums_need_wide_columns = 1;
1602                 }
1603                 average.packages.counter[i] /= topo.num_packages;
1604         }
1605 }
1606
1607 static unsigned long long rdtsc(void)
1608 {
1609         unsigned int low, high;
1610
1611         asm volatile("rdtsc" : "=a" (low), "=d" (high));
1612
1613         return low | ((unsigned long long)high) << 32;
1614 }
1615
1616 /*
1617  * Open a file, and exit on failure
1618  */
1619 FILE *fopen_or_die(const char *path, const char *mode)
1620 {
1621         FILE *filep = fopen(path, mode);
1622
1623         if (!filep)
1624                 err(1, "%s: open failed", path);
1625         return filep;
1626 }
1627 /*
1628  * snapshot_sysfs_counter()
1629  *
1630  * return snapshot of given counter
1631  */
1632 unsigned long long snapshot_sysfs_counter(char *path)
1633 {
1634         FILE *fp;
1635         int retval;
1636         unsigned long long counter;
1637
1638         fp = fopen_or_die(path, "r");
1639
1640         retval = fscanf(fp, "%lld", &counter);
1641         if (retval != 1)
1642                 err(1, "snapshot_sysfs_counter(%s)", path);
1643
1644         fclose(fp);
1645
1646         return counter;
1647 }
1648
1649 int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp)
1650 {
1651         if (mp->msr_num != 0) {
1652                 if (get_msr(cpu, mp->msr_num, counterp))
1653                         return -1;
1654         } else {
1655                 char path[128 + PATH_BYTES];
1656
1657                 if (mp->flags & SYSFS_PERCPU) {
1658                         sprintf(path, "/sys/devices/system/cpu/cpu%d/%s",
1659                                  cpu, mp->path);
1660
1661                         *counterp = snapshot_sysfs_counter(path);
1662                 } else {
1663                         *counterp = snapshot_sysfs_counter(mp->path);
1664                 }
1665         }
1666
1667         return 0;
1668 }
1669
1670 void get_apic_id(struct thread_data *t)
1671 {
1672         unsigned int eax, ebx, ecx, edx, max_level;
1673
1674         eax = ebx = ecx = edx = 0;
1675
1676         if (!genuine_intel)
1677                 return;
1678
1679         __cpuid(0, max_level, ebx, ecx, edx);
1680
1681         __cpuid(1, eax, ebx, ecx, edx);
1682         t->apic_id = (ebx >> 24) & 0xf;
1683
1684         if (max_level < 0xb)
1685                 return;
1686
1687         if (!DO_BIC(BIC_X2APIC))
1688                 return;
1689
1690         ecx = 0;
1691         __cpuid(0xb, eax, ebx, ecx, edx);
1692         t->x2apic_id = edx;
1693
1694         if (debug && (t->apic_id != t->x2apic_id))
1695                 fprintf(stderr, "cpu%d: apic 0x%x x2apic 0x%x\n", t->cpu_id, t->apic_id, t->x2apic_id);
1696 }
1697
1698 /*
1699  * get_counters(...)
1700  * migrate to cpu
1701  * acquire and record local counters for that cpu
1702  */
1703 int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1704 {
1705         int cpu = t->cpu_id;
1706         unsigned long long msr;
1707         int aperf_mperf_retry_count = 0;
1708         struct msr_counter *mp;
1709         int i;
1710
1711         gettimeofday(&t->tv_begin, (struct timezone *)NULL);
1712
1713         if (cpu_migrate(cpu)) {
1714                 fprintf(outf, "Could not migrate to CPU %d\n", cpu);
1715                 return -1;
1716         }
1717
1718         if (first_counter_read)
1719                 get_apic_id(t);
1720 retry:
1721         t->tsc = rdtsc();       /* we are running on local CPU of interest */
1722
1723         if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz)) {
1724                 unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time;
1725
1726                 /*
1727                  * The TSC, APERF and MPERF must be read together for
1728                  * APERF/MPERF and MPERF/TSC to give accurate results.
1729                  *
1730                  * Unfortunately, APERF and MPERF are read by
1731                  * individual system call, so delays may occur
1732                  * between them.  If the time to read them
1733                  * varies by a large amount, we re-read them.
1734                  */
1735
1736                 /*
1737                  * This initial dummy APERF read has been seen to
1738                  * reduce jitter in the subsequent reads.
1739                  */
1740
1741                 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
1742                         return -3;
1743
1744                 t->tsc = rdtsc();       /* re-read close to APERF */
1745
1746                 tsc_before = t->tsc;
1747
1748                 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
1749                         return -3;
1750
1751                 tsc_between = rdtsc();
1752
1753                 if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
1754                         return -4;
1755
1756                 tsc_after = rdtsc();
1757
1758                 aperf_time = tsc_between - tsc_before;
1759                 mperf_time = tsc_after - tsc_between;
1760
1761                 /*
1762                  * If the system call latency to read APERF and MPERF
1763                  * differ by more than 2x, then try again.
1764                  */
1765                 if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) {
1766                         aperf_mperf_retry_count++;
1767                         if (aperf_mperf_retry_count < 5)
1768                                 goto retry;
1769                         else
1770                                 warnx("cpu%d jitter %lld %lld",
1771                                         cpu, aperf_time, mperf_time);
1772                 }
1773                 aperf_mperf_retry_count = 0;
1774
1775                 t->aperf = t->aperf * aperf_mperf_multiplier;
1776                 t->mperf = t->mperf * aperf_mperf_multiplier;
1777         }
1778
1779         if (DO_BIC(BIC_IRQ))
1780                 t->irq_count = irqs_per_cpu[cpu];
1781         if (DO_BIC(BIC_SMI)) {
1782                 if (get_msr(cpu, MSR_SMI_COUNT, &msr))
1783                         return -5;
1784                 t->smi_count = msr & 0xFFFFFFFF;
1785         }
1786         if (DO_BIC(BIC_CPU_c1) && use_c1_residency_msr) {
1787                 if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
1788                         return -6;
1789         }
1790
1791         for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1792                 if (get_mp(cpu, mp, &t->counter[i]))
1793                         return -10;
1794         }
1795
1796         /* collect core counters only for 1st thread in core */
1797         if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1798                 goto done;
1799
1800         if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates && !do_cnl_cstates) {
1801                 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
1802                         return -6;
1803         }
1804
1805         if (DO_BIC(BIC_CPU_c6) && !do_knl_cstates) {
1806                 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
1807                         return -7;
1808         } else if (do_knl_cstates) {
1809                 if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6))
1810                         return -7;
1811         }
1812
1813         if (DO_BIC(BIC_CPU_c7))
1814                 if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
1815                         return -8;
1816
1817         if (DO_BIC(BIC_Mod_c6))
1818                 if (get_msr(cpu, MSR_MODULE_C6_RES_MS, &c->mc6_us))
1819                         return -8;
1820
1821         if (DO_BIC(BIC_CoreTmp)) {
1822                 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
1823                         return -9;
1824                 c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
1825         }
1826
1827         for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1828                 if (get_mp(cpu, mp, &c->counter[i]))
1829                         return -10;
1830         }
1831
1832         /* collect package counters only for 1st core in package */
1833         if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1834                 goto done;
1835
1836         if (DO_BIC(BIC_Totl_c0)) {
1837                 if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0))
1838                         return -10;
1839         }
1840         if (DO_BIC(BIC_Any_c0)) {
1841                 if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0))
1842                         return -11;
1843         }
1844         if (DO_BIC(BIC_GFX_c0)) {
1845                 if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0))
1846                         return -12;
1847         }
1848         if (DO_BIC(BIC_CPUGFX)) {
1849                 if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0))
1850                         return -13;
1851         }
1852         if (DO_BIC(BIC_Pkgpc3))
1853                 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
1854                         return -9;
1855         if (DO_BIC(BIC_Pkgpc6)) {
1856                 if (do_slm_cstates) {
1857                         if (get_msr(cpu, MSR_ATOM_PKG_C6_RESIDENCY, &p->pc6))
1858                                 return -10;
1859                 } else {
1860                         if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
1861                                 return -10;
1862                 }
1863         }
1864
1865         if (DO_BIC(BIC_Pkgpc2))
1866                 if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
1867                         return -11;
1868         if (DO_BIC(BIC_Pkgpc7))
1869                 if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
1870                         return -12;
1871         if (DO_BIC(BIC_Pkgpc8))
1872                 if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
1873                         return -13;
1874         if (DO_BIC(BIC_Pkgpc9))
1875                 if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
1876                         return -13;
1877         if (DO_BIC(BIC_Pkgpc10))
1878                 if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
1879                         return -13;
1880
1881         if (DO_BIC(BIC_CPU_LPI))
1882                 p->cpu_lpi = cpuidle_cur_cpu_lpi_us;
1883         if (DO_BIC(BIC_SYS_LPI))
1884                 p->sys_lpi = cpuidle_cur_sys_lpi_us;
1885
1886         if (do_rapl & RAPL_PKG) {
1887                 if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
1888                         return -13;
1889                 p->energy_pkg = msr & 0xFFFFFFFF;
1890         }
1891         if (do_rapl & RAPL_CORES_ENERGY_STATUS) {
1892                 if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
1893                         return -14;
1894                 p->energy_cores = msr & 0xFFFFFFFF;
1895         }
1896         if (do_rapl & RAPL_DRAM) {
1897                 if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
1898                         return -15;
1899                 p->energy_dram = msr & 0xFFFFFFFF;
1900         }
1901         if (do_rapl & RAPL_GFX) {
1902                 if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
1903                         return -16;
1904                 p->energy_gfx = msr & 0xFFFFFFFF;
1905         }
1906         if (do_rapl & RAPL_PKG_PERF_STATUS) {
1907                 if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
1908                         return -16;
1909                 p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
1910         }
1911         if (do_rapl & RAPL_DRAM_PERF_STATUS) {
1912                 if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
1913                         return -16;
1914                 p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
1915         }
1916         if (DO_BIC(BIC_PkgTmp)) {
1917                 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
1918                         return -17;
1919                 p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
1920         }
1921
1922         if (DO_BIC(BIC_GFX_rc6))
1923                 p->gfx_rc6_ms = gfx_cur_rc6_ms;
1924
1925         if (DO_BIC(BIC_GFXMHz))
1926                 p->gfx_mhz = gfx_cur_mhz;
1927
1928         for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1929                 if (get_mp(cpu, mp, &p->counter[i]))
1930                         return -10;
1931         }
1932 done:
1933         gettimeofday(&t->tv_end, (struct timezone *)NULL);
1934
1935         return 0;
1936 }
1937
1938 /*
1939  * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit:
1940  * If you change the values, note they are used both in comparisons
1941  * (>= PCL__7) and to index pkg_cstate_limit_strings[].
1942  */
1943
1944 #define PCLUKN 0 /* Unknown */
1945 #define PCLRSV 1 /* Reserved */
1946 #define PCL__0 2 /* PC0 */
1947 #define PCL__1 3 /* PC1 */
1948 #define PCL__2 4 /* PC2 */
1949 #define PCL__3 5 /* PC3 */
1950 #define PCL__4 6 /* PC4 */
1951 #define PCL__6 7 /* PC6 */
1952 #define PCL_6N 8 /* PC6 No Retention */
1953 #define PCL_6R 9 /* PC6 Retention */
1954 #define PCL__7 10 /* PC7 */
1955 #define PCL_7S 11 /* PC7 Shrink */
1956 #define PCL__8 12 /* PC8 */
1957 #define PCL__9 13 /* PC9 */
1958 #define PCLUNL 14 /* Unlimited */
1959
1960 int pkg_cstate_limit = PCLUKN;
1961 char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
1962         "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"};
1963
1964 int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1965 int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1966 int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1967 int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7};
1968 int amt_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1969 int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1970 int bxt_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1971 int skx_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1972
1973
1974 static void
1975 calculate_tsc_tweak()
1976 {
1977         tsc_tweak = base_hz / tsc_hz;
1978 }
1979
1980 static void
1981 dump_nhm_platform_info(void)
1982 {
1983         unsigned long long msr;
1984         unsigned int ratio;
1985
1986         get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
1987
1988         fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr);
1989
1990         ratio = (msr >> 40) & 0xFF;
1991         fprintf(outf, "%d * %.1f = %.1f MHz max efficiency frequency\n",
1992                 ratio, bclk, ratio * bclk);
1993
1994         ratio = (msr >> 8) & 0xFF;
1995         fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n",
1996                 ratio, bclk, ratio * bclk);
1997
1998         get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr);
1999         fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
2000                 base_cpu, msr, msr & 0x2 ? "EN" : "DIS");
2001
2002         return;
2003 }
2004
2005 static void
2006 dump_hsw_turbo_ratio_limits(void)
2007 {
2008         unsigned long long msr;
2009         unsigned int ratio;
2010
2011         get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr);
2012
2013         fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr);
2014
2015         ratio = (msr >> 8) & 0xFF;
2016         if (ratio)
2017                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 18 active cores\n",
2018                         ratio, bclk, ratio * bclk);
2019
2020         ratio = (msr >> 0) & 0xFF;
2021         if (ratio)
2022                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 17 active cores\n",
2023                         ratio, bclk, ratio * bclk);
2024         return;
2025 }
2026
2027 static void
2028 dump_ivt_turbo_ratio_limits(void)
2029 {
2030         unsigned long long msr;
2031         unsigned int ratio;
2032
2033         get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr);
2034
2035         fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr);
2036
2037         ratio = (msr >> 56) & 0xFF;
2038         if (ratio)
2039                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 16 active cores\n",
2040                         ratio, bclk, ratio * bclk);
2041
2042         ratio = (msr >> 48) & 0xFF;
2043         if (ratio)
2044                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 15 active cores\n",
2045                         ratio, bclk, ratio * bclk);
2046
2047         ratio = (msr >> 40) & 0xFF;
2048         if (ratio)
2049                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 14 active cores\n",
2050                         ratio, bclk, ratio * bclk);
2051
2052         ratio = (msr >> 32) & 0xFF;
2053         if (ratio)
2054                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 13 active cores\n",
2055                         ratio, bclk, ratio * bclk);
2056
2057         ratio = (msr >> 24) & 0xFF;
2058         if (ratio)
2059                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 12 active cores\n",
2060                         ratio, bclk, ratio * bclk);
2061
2062         ratio = (msr >> 16) & 0xFF;
2063         if (ratio)
2064                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 11 active cores\n",
2065                         ratio, bclk, ratio * bclk);
2066
2067         ratio = (msr >> 8) & 0xFF;
2068         if (ratio)
2069                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 10 active cores\n",
2070                         ratio, bclk, ratio * bclk);
2071
2072         ratio = (msr >> 0) & 0xFF;
2073         if (ratio)
2074                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 9 active cores\n",
2075                         ratio, bclk, ratio * bclk);
2076         return;
2077 }
2078 int has_turbo_ratio_group_limits(int family, int model)
2079 {
2080
2081         if (!genuine_intel)
2082                 return 0;
2083
2084         switch (model) {
2085         case INTEL_FAM6_ATOM_GOLDMONT:
2086         case INTEL_FAM6_SKYLAKE_X:
2087         case INTEL_FAM6_ATOM_DENVERTON:
2088                 return 1;
2089         }
2090         return 0;
2091 }
2092
2093 static void
2094 dump_turbo_ratio_limits(int family, int model)
2095 {
2096         unsigned long long msr, core_counts;
2097         unsigned int ratio, group_size;
2098
2099         get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
2100         fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr);
2101
2102         if (has_turbo_ratio_group_limits(family, model)) {
2103                 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts);
2104                 fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, core_counts);
2105         } else {
2106                 core_counts = 0x0807060504030201;
2107         }
2108
2109         ratio = (msr >> 56) & 0xFF;
2110         group_size = (core_counts >> 56) & 0xFF;
2111         if (ratio)
2112                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2113                         ratio, bclk, ratio * bclk, group_size);
2114
2115         ratio = (msr >> 48) & 0xFF;
2116         group_size = (core_counts >> 48) & 0xFF;
2117         if (ratio)
2118                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2119                         ratio, bclk, ratio * bclk, group_size);
2120
2121         ratio = (msr >> 40) & 0xFF;
2122         group_size = (core_counts >> 40) & 0xFF;
2123         if (ratio)
2124                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2125                         ratio, bclk, ratio * bclk, group_size);
2126
2127         ratio = (msr >> 32) & 0xFF;
2128         group_size = (core_counts >> 32) & 0xFF;
2129         if (ratio)
2130                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2131                         ratio, bclk, ratio * bclk, group_size);
2132
2133         ratio = (msr >> 24) & 0xFF;
2134         group_size = (core_counts >> 24) & 0xFF;
2135         if (ratio)
2136                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2137                         ratio, bclk, ratio * bclk, group_size);
2138
2139         ratio = (msr >> 16) & 0xFF;
2140         group_size = (core_counts >> 16) & 0xFF;
2141         if (ratio)
2142                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2143                         ratio, bclk, ratio * bclk, group_size);
2144
2145         ratio = (msr >> 8) & 0xFF;
2146         group_size = (core_counts >> 8) & 0xFF;
2147         if (ratio)
2148                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2149                         ratio, bclk, ratio * bclk, group_size);
2150
2151         ratio = (msr >> 0) & 0xFF;
2152         group_size = (core_counts >> 0) & 0xFF;
2153         if (ratio)
2154                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2155                         ratio, bclk, ratio * bclk, group_size);
2156         return;
2157 }
2158
2159 static void
2160 dump_atom_turbo_ratio_limits(void)
2161 {
2162         unsigned long long msr;
2163         unsigned int ratio;
2164
2165         get_msr(base_cpu, MSR_ATOM_CORE_RATIOS, &msr);
2166         fprintf(outf, "cpu%d: MSR_ATOM_CORE_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF);
2167
2168         ratio = (msr >> 0) & 0x3F;
2169         if (ratio)
2170                 fprintf(outf, "%d * %.1f = %.1f MHz minimum operating frequency\n",
2171                         ratio, bclk, ratio * bclk);
2172
2173         ratio = (msr >> 8) & 0x3F;
2174         if (ratio)
2175                 fprintf(outf, "%d * %.1f = %.1f MHz low frequency mode (LFM)\n",
2176                         ratio, bclk, ratio * bclk);
2177
2178         ratio = (msr >> 16) & 0x3F;
2179         if (ratio)
2180                 fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n",
2181                         ratio, bclk, ratio * bclk);
2182
2183         get_msr(base_cpu, MSR_ATOM_CORE_TURBO_RATIOS, &msr);
2184         fprintf(outf, "cpu%d: MSR_ATOM_CORE_TURBO_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF);
2185
2186         ratio = (msr >> 24) & 0x3F;
2187         if (ratio)
2188                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 4 active cores\n",
2189                         ratio, bclk, ratio * bclk);
2190
2191         ratio = (msr >> 16) & 0x3F;
2192         if (ratio)
2193                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 3 active cores\n",
2194                         ratio, bclk, ratio * bclk);
2195
2196         ratio = (msr >> 8) & 0x3F;
2197         if (ratio)
2198                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 2 active cores\n",
2199                         ratio, bclk, ratio * bclk);
2200
2201         ratio = (msr >> 0) & 0x3F;
2202         if (ratio)
2203                 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 1 active core\n",
2204                         ratio, bclk, ratio * bclk);
2205 }
2206
2207 static void
2208 dump_knl_turbo_ratio_limits(void)
2209 {
2210         const unsigned int buckets_no = 7;
2211
2212         unsigned long long msr;
2213         int delta_cores, delta_ratio;
2214         int i, b_nr;
2215         unsigned int cores[buckets_no];
2216         unsigned int ratio[buckets_no];
2217
2218         get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
2219
2220         fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n",
2221                 base_cpu, msr);
2222
2223         /**
2224          * Turbo encoding in KNL is as follows:
2225          * [0] -- Reserved
2226          * [7:1] -- Base value of number of active cores of bucket 1.
2227          * [15:8] -- Base value of freq ratio of bucket 1.
2228          * [20:16] -- +ve delta of number of active cores of bucket 2.
2229          * i.e. active cores of bucket 2 =
2230          * active cores of bucket 1 + delta
2231          * [23:21] -- Negative delta of freq ratio of bucket 2.
2232          * i.e. freq ratio of bucket 2 =
2233          * freq ratio of bucket 1 - delta
2234          * [28:24]-- +ve delta of number of active cores of bucket 3.
2235          * [31:29]-- -ve delta of freq ratio of bucket 3.
2236          * [36:32]-- +ve delta of number of active cores of bucket 4.
2237          * [39:37]-- -ve delta of freq ratio of bucket 4.
2238          * [44:40]-- +ve delta of number of active cores of bucket 5.
2239          * [47:45]-- -ve delta of freq ratio of bucket 5.
2240          * [52:48]-- +ve delta of number of active cores of bucket 6.
2241          * [55:53]-- -ve delta of freq ratio of bucket 6.
2242          * [60:56]-- +ve delta of number of active cores of bucket 7.
2243          * [63:61]-- -ve delta of freq ratio of bucket 7.
2244          */
2245
2246         b_nr = 0;
2247         cores[b_nr] = (msr & 0xFF) >> 1;
2248         ratio[b_nr] = (msr >> 8) & 0xFF;
2249
2250         for (i = 16; i < 64; i += 8) {
2251                 delta_cores = (msr >> i) & 0x1F;
2252                 delta_ratio = (msr >> (i + 5)) & 0x7;
2253
2254                 cores[b_nr + 1] = cores[b_nr] + delta_cores;
2255                 ratio[b_nr + 1] = ratio[b_nr] - delta_ratio;
2256                 b_nr++;
2257         }
2258
2259         for (i = buckets_no - 1; i >= 0; i--)
2260                 if (i > 0 ? ratio[i] != ratio[i - 1] : 1)
2261                         fprintf(outf,
2262                                 "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2263                                 ratio[i], bclk, ratio[i] * bclk, cores[i]);
2264 }
2265
2266 static void
2267 dump_nhm_cst_cfg(void)
2268 {
2269         unsigned long long msr;
2270
2271         get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr);
2272
2273         fprintf(outf, "cpu%d: MSR_PKG_CST_CONFIG_CONTROL: 0x%08llx", base_cpu, msr);
2274
2275         fprintf(outf, " (%s%s%s%s%slocked, pkg-cstate-limit=%d (%s)",
2276                 (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
2277                 (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
2278                 (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
2279                 (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
2280                 (msr & (1 << 15)) ? "" : "UN",
2281                 (unsigned int)msr & 0xF,
2282                 pkg_cstate_limit_strings[pkg_cstate_limit]);
2283
2284 #define AUTOMATIC_CSTATE_CONVERSION             (1UL << 16)
2285         if (has_automatic_cstate_conversion) {
2286                 fprintf(outf, ", automatic c-state conversion=%s",
2287                         (msr & AUTOMATIC_CSTATE_CONVERSION) ? "on" : "off");
2288         }
2289
2290         fprintf(outf, ")\n");
2291
2292         return;
2293 }
2294
2295 static void
2296 dump_config_tdp(void)
2297 {
2298         unsigned long long msr;
2299
2300         get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr);
2301         fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr);
2302         fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF);
2303
2304         get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr);
2305         fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr);
2306         if (msr) {
2307                 fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF);
2308                 fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF);
2309                 fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF);
2310                 fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF);
2311         }
2312         fprintf(outf, ")\n");
2313
2314         get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr);
2315         fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr);
2316         if (msr) {
2317                 fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF);
2318                 fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF);
2319                 fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF);
2320                 fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF);
2321         }
2322         fprintf(outf, ")\n");
2323
2324         get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr);
2325         fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr);
2326         if ((msr) & 0x3)
2327                 fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3);
2328         fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1);
2329         fprintf(outf, ")\n");
2330
2331         get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr);
2332         fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr);
2333         fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF);
2334         fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1);
2335         fprintf(outf, ")\n");
2336 }
2337
2338 unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 };
2339
2340 void print_irtl(void)
2341 {
2342         unsigned long long msr;
2343
2344         get_msr(base_cpu, MSR_PKGC3_IRTL, &msr);
2345         fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr);
2346         fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2347                 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2348
2349         get_msr(base_cpu, MSR_PKGC6_IRTL, &msr);
2350         fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr);
2351         fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2352                 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2353
2354         get_msr(base_cpu, MSR_PKGC7_IRTL, &msr);
2355         fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr);
2356         fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2357                 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2358
2359         if (!do_irtl_hsw)
2360                 return;
2361
2362         get_msr(base_cpu, MSR_PKGC8_IRTL, &msr);
2363         fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr);
2364         fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2365                 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2366
2367         get_msr(base_cpu, MSR_PKGC9_IRTL, &msr);
2368         fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr);
2369         fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2370                 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2371
2372         get_msr(base_cpu, MSR_PKGC10_IRTL, &msr);
2373         fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr);
2374         fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2375                 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2376
2377 }
2378 void free_fd_percpu(void)
2379 {
2380         int i;
2381
2382         for (i = 0; i < topo.max_cpu_num + 1; ++i) {
2383                 if (fd_percpu[i] != 0)
2384                         close(fd_percpu[i]);
2385         }
2386
2387         free(fd_percpu);
2388 }
2389
2390 void free_all_buffers(void)
2391 {
2392         int i;
2393
2394         CPU_FREE(cpu_present_set);
2395         cpu_present_set = NULL;
2396         cpu_present_setsize = 0;
2397
2398         CPU_FREE(cpu_affinity_set);
2399         cpu_affinity_set = NULL;
2400         cpu_affinity_setsize = 0;
2401
2402         free(thread_even);
2403         free(core_even);
2404         free(package_even);
2405
2406         thread_even = NULL;
2407         core_even = NULL;
2408         package_even = NULL;
2409
2410         free(thread_odd);
2411         free(core_odd);
2412         free(package_odd);
2413
2414         thread_odd = NULL;
2415         core_odd = NULL;
2416         package_odd = NULL;
2417
2418         free(output_buffer);
2419         output_buffer = NULL;
2420         outp = NULL;
2421
2422         free_fd_percpu();
2423
2424         free(irq_column_2_cpu);
2425         free(irqs_per_cpu);
2426
2427         for (i = 0; i <= topo.max_cpu_num; ++i) {
2428                 if (cpus[i].put_ids)
2429                         CPU_FREE(cpus[i].put_ids);
2430         }
2431         free(cpus);
2432 }
2433
2434
2435 /*
2436  * Parse a file containing a single int.
2437  */
2438 int parse_int_file(const char *fmt, ...)
2439 {
2440         va_list args;
2441         char path[PATH_MAX];
2442         FILE *filep;
2443         int value;
2444
2445         va_start(args, fmt);
2446         vsnprintf(path, sizeof(path), fmt, args);
2447         va_end(args);
2448         filep = fopen_or_die(path, "r");
2449         if (fscanf(filep, "%d", &value) != 1)
2450                 err(1, "%s: failed to parse number from file", path);
2451         fclose(filep);
2452         return value;
2453 }
2454
2455 /*
2456  * cpu_is_first_core_in_package(cpu)
2457  * return 1 if given CPU is 1st core in package
2458  */
2459 int cpu_is_first_core_in_package(int cpu)
2460 {
2461         return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
2462 }
2463
2464 int get_physical_package_id(int cpu)
2465 {
2466         return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
2467 }
2468
2469 int get_core_id(int cpu)
2470 {
2471         return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
2472 }
2473
2474 void set_node_data(void)
2475 {
2476         char path[80];
2477         FILE *filep;
2478         int pkg, node, cpu;
2479
2480         struct pkg_node_info {
2481                 int count;
2482                 int min;
2483         } *pni;
2484
2485         pni = calloc(topo.num_packages, sizeof(struct pkg_node_info));
2486         if (!pni)
2487                 err(1, "calloc pkg_node_count");
2488
2489         for (pkg = 0; pkg < topo.num_packages; pkg++)
2490                 pni[pkg].min = topo.num_cpus;
2491
2492         for (node = 0; node <= topo.max_node_num; node++) {
2493                 /* find the "first" cpu in the node */
2494                 sprintf(path, "/sys/bus/node/devices/node%d/cpulist", node);
2495                 filep = fopen(path, "r");
2496                 if (!filep)
2497                         continue;
2498                 fscanf(filep, "%d", &cpu);
2499                 fclose(filep);
2500
2501                 pkg = cpus[cpu].physical_package_id;
2502                 pni[pkg].count++;
2503
2504                 if (node < pni[pkg].min)
2505                         pni[pkg].min = node;
2506         }
2507
2508         for (pkg = 0; pkg < topo.num_packages; pkg++)
2509                 if (pni[pkg].count > topo.nodes_per_pkg)
2510                         topo.nodes_per_pkg = pni[0].count;
2511
2512         /* Fake 1 node per pkg for machines that don't
2513          * expose nodes and thus avoid -nan results
2514          */
2515         if (topo.nodes_per_pkg == 0)
2516                 topo.nodes_per_pkg = 1;
2517
2518         for (cpu = 0; cpu < topo.num_cpus; cpu++) {
2519                 pkg = cpus[cpu].physical_package_id;
2520                 node = cpus[cpu].physical_node_id;
2521                 cpus[cpu].logical_node_id = node - pni[pkg].min;
2522         }
2523         free(pni);
2524
2525 }
2526
2527 int get_physical_node_id(struct cpu_topology *thiscpu)
2528 {
2529         char path[80];
2530         FILE *filep;
2531         int i;
2532         int cpu = thiscpu->logical_cpu_id;
2533
2534         for (i = 0; i <= topo.max_cpu_num; i++) {
2535                 sprintf(path, "/sys/devices/system/cpu/cpu%d/node%i/cpulist",
2536                         cpu, i);
2537                 filep = fopen(path, "r");
2538                 if (!filep)
2539                         continue;
2540                 fclose(filep);
2541                 return i;
2542         }
2543         return -1;
2544 }
2545
2546 int get_thread_siblings(struct cpu_topology *thiscpu)
2547 {
2548         char path[80], character;
2549         FILE *filep;
2550         unsigned long map;
2551         int so, shift, sib_core;
2552         int cpu = thiscpu->logical_cpu_id;
2553         int offset = topo.max_cpu_num + 1;
2554         size_t size;
2555         int thread_id = 0;
2556
2557         thiscpu->put_ids = CPU_ALLOC((topo.max_cpu_num + 1));
2558         if (thiscpu->thread_id < 0)
2559                 thiscpu->thread_id = thread_id++;
2560         if (!thiscpu->put_ids)
2561                 return -1;
2562
2563         size = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2564         CPU_ZERO_S(size, thiscpu->put_ids);
2565
2566         sprintf(path,
2567                 "/sys/devices/system/cpu/cpu%d/topology/thread_siblings", cpu);
2568         filep = fopen_or_die(path, "r");
2569         do {
2570                 offset -= BITMASK_SIZE;
2571                 fscanf(filep, "%lx%c", &map, &character);
2572                 for (shift = 0; shift < BITMASK_SIZE; shift++) {
2573                         if ((map >> shift) & 0x1) {
2574                                 so = shift + offset;
2575                                 sib_core = get_core_id(so);
2576                                 if (sib_core == thiscpu->physical_core_id) {
2577                                         CPU_SET_S(so, size, thiscpu->put_ids);
2578                                         if ((so != cpu) &&
2579                                             (cpus[so].thread_id < 0))
2580                                                 cpus[so].thread_id =
2581                                                                     thread_id++;
2582                                 }
2583                         }
2584                 }
2585         } while (!strncmp(&character, ",", 1));
2586         fclose(filep);
2587
2588         return CPU_COUNT_S(size, thiscpu->put_ids);
2589 }
2590
2591 /*
2592  * run func(thread, core, package) in topology order
2593  * skip non-present cpus
2594  */
2595
2596 int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
2597         struct pkg_data *, struct thread_data *, struct core_data *,
2598         struct pkg_data *), struct thread_data *thread_base,
2599         struct core_data *core_base, struct pkg_data *pkg_base,
2600         struct thread_data *thread_base2, struct core_data *core_base2,
2601         struct pkg_data *pkg_base2)
2602 {
2603         int retval, pkg_no, node_no, core_no, thread_no;
2604
2605         for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
2606                 for (node_no = 0; node_no < topo.nodes_per_pkg; ++node_no) {
2607                         for (core_no = 0; core_no < topo.cores_per_node;
2608                              ++core_no) {
2609                                 for (thread_no = 0; thread_no <
2610                                         topo.threads_per_core; ++thread_no) {
2611                                         struct thread_data *t, *t2;
2612                                         struct core_data *c, *c2;
2613                                         struct pkg_data *p, *p2;
2614
2615                                         t = GET_THREAD(thread_base, thread_no,
2616                                                        core_no, node_no,
2617                                                        pkg_no);
2618
2619                                         if (cpu_is_not_present(t->cpu_id))
2620                                                 continue;
2621
2622                                         t2 = GET_THREAD(thread_base2, thread_no,
2623                                                         core_no, node_no,
2624                                                         pkg_no);
2625
2626                                         c = GET_CORE(core_base, core_no,
2627                                                      node_no, pkg_no);
2628                                         c2 = GET_CORE(core_base2, core_no,
2629                                                       node_no,
2630                                                       pkg_no);
2631
2632                                         p = GET_PKG(pkg_base, pkg_no);
2633                                         p2 = GET_PKG(pkg_base2, pkg_no);
2634
2635                                         retval = func(t, c, p, t2, c2, p2);
2636                                         if (retval)
2637                                                 return retval;
2638                                 }
2639                         }
2640                 }
2641         }
2642         return 0;
2643 }
2644
2645 /*
2646  * run func(cpu) on every cpu in /proc/stat
2647  * return max_cpu number
2648  */
2649 int for_all_proc_cpus(int (func)(int))
2650 {
2651         FILE *fp;
2652         int cpu_num;
2653         int retval;
2654
2655         fp = fopen_or_die(proc_stat, "r");
2656
2657         retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
2658         if (retval != 0)
2659                 err(1, "%s: failed to parse format", proc_stat);
2660
2661         while (1) {
2662                 retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
2663                 if (retval != 1)
2664                         break;
2665
2666                 retval = func(cpu_num);
2667                 if (retval) {
2668                         fclose(fp);
2669                         return(retval);
2670                 }
2671         }
2672         fclose(fp);
2673         return 0;
2674 }
2675
2676 void re_initialize(void)
2677 {
2678         free_all_buffers();
2679         setup_all_buffers();
2680         printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
2681 }
2682
2683 void set_max_cpu_num(void)
2684 {
2685         FILE *filep;
2686         unsigned long dummy;
2687
2688         topo.max_cpu_num = 0;
2689         filep = fopen_or_die(
2690                         "/sys/devices/system/cpu/cpu0/topology/thread_siblings",
2691                         "r");
2692         while (fscanf(filep, "%lx,", &dummy) == 1)
2693                 topo.max_cpu_num += BITMASK_SIZE;
2694         fclose(filep);
2695         topo.max_cpu_num--; /* 0 based */
2696 }
2697
2698 /*
2699  * count_cpus()
2700  * remember the last one seen, it will be the max
2701  */
2702 int count_cpus(int cpu)
2703 {
2704         topo.num_cpus++;
2705         return 0;
2706 }
2707 int mark_cpu_present(int cpu)
2708 {
2709         CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
2710         return 0;
2711 }
2712
2713 int init_thread_id(int cpu)
2714 {
2715         cpus[cpu].thread_id = -1;
2716         return 0;
2717 }
2718
2719 /*
2720  * snapshot_proc_interrupts()
2721  *
2722  * read and record summary of /proc/interrupts
2723  *
2724  * return 1 if config change requires a restart, else return 0
2725  */
2726 int snapshot_proc_interrupts(void)
2727 {
2728         static FILE *fp;
2729         int column, retval;
2730
2731         if (fp == NULL)
2732                 fp = fopen_or_die("/proc/interrupts", "r");
2733         else
2734                 rewind(fp);
2735
2736         /* read 1st line of /proc/interrupts to get cpu* name for each column */
2737         for (column = 0; column < topo.num_cpus; ++column) {
2738                 int cpu_number;
2739
2740                 retval = fscanf(fp, " CPU%d", &cpu_number);
2741                 if (retval != 1)
2742                         break;
2743
2744                 if (cpu_number > topo.max_cpu_num) {
2745                         warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num);
2746                         return 1;
2747                 }
2748
2749                 irq_column_2_cpu[column] = cpu_number;
2750                 irqs_per_cpu[cpu_number] = 0;
2751         }
2752
2753         /* read /proc/interrupt count lines and sum up irqs per cpu */
2754         while (1) {
2755                 int column;
2756                 char buf[64];
2757
2758                 retval = fscanf(fp, " %s:", buf);       /* flush irq# "N:" */
2759                 if (retval != 1)
2760                         break;
2761
2762                 /* read the count per cpu */
2763                 for (column = 0; column < topo.num_cpus; ++column) {
2764
2765                         int cpu_number, irq_count;
2766
2767                         retval = fscanf(fp, " %d", &irq_count);
2768                         if (retval != 1)
2769                                 break;
2770
2771                         cpu_number = irq_column_2_cpu[column];
2772                         irqs_per_cpu[cpu_number] += irq_count;
2773
2774                 }
2775
2776                 while (getc(fp) != '\n')
2777                         ;       /* flush interrupt description */
2778
2779         }
2780         return 0;
2781 }
2782 /*
2783  * snapshot_gfx_rc6_ms()
2784  *
2785  * record snapshot of
2786  * /sys/class/drm/card0/power/rc6_residency_ms
2787  *
2788  * return 1 if config change requires a restart, else return 0
2789  */
2790 int snapshot_gfx_rc6_ms(void)
2791 {
2792         FILE *fp;
2793         int retval;
2794
2795         fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r");
2796
2797         retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms);
2798         if (retval != 1)
2799                 err(1, "GFX rc6");
2800
2801         fclose(fp);
2802
2803         return 0;
2804 }
2805 /*
2806  * snapshot_gfx_mhz()
2807  *
2808  * record snapshot of
2809  * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz
2810  *
2811  * return 1 if config change requires a restart, else return 0
2812  */
2813 int snapshot_gfx_mhz(void)
2814 {
2815         static FILE *fp;
2816         int retval;
2817
2818         if (fp == NULL)
2819                 fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r");
2820         else {
2821                 rewind(fp);
2822                 fflush(fp);
2823         }
2824
2825         retval = fscanf(fp, "%d", &gfx_cur_mhz);
2826         if (retval != 1)
2827                 err(1, "GFX MHz");
2828
2829         return 0;
2830 }
2831
2832 /*
2833  * snapshot_cpu_lpi()
2834  *
2835  * record snapshot of
2836  * /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us
2837  *
2838  * return 1 if config change requires a restart, else return 0
2839  */
2840 int snapshot_cpu_lpi_us(void)
2841 {
2842         FILE *fp;
2843         int retval;
2844
2845         fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", "r");
2846
2847         retval = fscanf(fp, "%lld", &cpuidle_cur_cpu_lpi_us);
2848         if (retval != 1)
2849                 err(1, "CPU LPI");
2850
2851         fclose(fp);
2852
2853         return 0;
2854 }
2855 /*
2856  * snapshot_sys_lpi()
2857  *
2858  * record snapshot of
2859  * /sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us
2860  *
2861  * return 1 if config change requires a restart, else return 0
2862  */
2863 int snapshot_sys_lpi_us(void)
2864 {
2865         FILE *fp;
2866         int retval;
2867
2868         fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us", "r");
2869
2870         retval = fscanf(fp, "%lld", &cpuidle_cur_sys_lpi_us);
2871         if (retval != 1)
2872                 err(1, "SYS LPI");
2873
2874         fclose(fp);
2875
2876         return 0;
2877 }
2878 /*
2879  * snapshot /proc and /sys files
2880  *
2881  * return 1 if configuration restart needed, else return 0
2882  */
2883 int snapshot_proc_sysfs_files(void)
2884 {
2885         if (DO_BIC(BIC_IRQ))
2886                 if (snapshot_proc_interrupts())
2887                         return 1;
2888
2889         if (DO_BIC(BIC_GFX_rc6))
2890                 snapshot_gfx_rc6_ms();
2891
2892         if (DO_BIC(BIC_GFXMHz))
2893                 snapshot_gfx_mhz();
2894
2895         if (DO_BIC(BIC_CPU_LPI))
2896                 snapshot_cpu_lpi_us();
2897
2898         if (DO_BIC(BIC_SYS_LPI))
2899                 snapshot_sys_lpi_us();
2900
2901         return 0;
2902 }
2903
2904 int exit_requested;
2905
2906 static void signal_handler (int signal)
2907 {
2908         switch (signal) {
2909         case SIGINT:
2910                 exit_requested = 1;
2911                 if (debug)
2912                         fprintf(stderr, " SIGINT\n");
2913                 break;
2914         case SIGUSR1:
2915                 if (debug > 1)
2916                         fprintf(stderr, "SIGUSR1\n");
2917                 break;
2918         }
2919         /* make sure this manually-invoked interval is at least 1ms long */
2920         nanosleep(&one_msec, NULL);
2921 }
2922
2923 void setup_signal_handler(void)
2924 {
2925         struct sigaction sa;
2926
2927         memset(&sa, 0, sizeof(sa));
2928
2929         sa.sa_handler = &signal_handler;
2930
2931         if (sigaction(SIGINT, &sa, NULL) < 0)
2932                 err(1, "sigaction SIGINT");
2933         if (sigaction(SIGUSR1, &sa, NULL) < 0)
2934                 err(1, "sigaction SIGUSR1");
2935 }
2936
2937 void do_sleep(void)
2938 {
2939         struct timeval select_timeout;
2940         fd_set readfds;
2941         int retval;
2942
2943         FD_ZERO(&readfds);
2944         FD_SET(0, &readfds);
2945
2946         if (!isatty(fileno(stdin))) {
2947                 nanosleep(&interval_ts, NULL);
2948                 return;
2949         }
2950
2951         select_timeout = interval_tv;
2952         retval = select(1, &readfds, NULL, NULL, &select_timeout);
2953
2954         if (retval == 1) {
2955                 switch (getc(stdin)) {
2956                 case 'q':
2957                         exit_requested = 1;
2958                         break;
2959                 }
2960                 /* make sure this manually-invoked interval is at least 1ms long */
2961                 nanosleep(&one_msec, NULL);
2962         }
2963 }
2964
2965
2966 void turbostat_loop()
2967 {
2968         int retval;
2969         int restarted = 0;
2970         int done_iters = 0;
2971
2972         setup_signal_handler();
2973
2974 restart:
2975         restarted++;
2976
2977         snapshot_proc_sysfs_files();
2978         retval = for_all_cpus(get_counters, EVEN_COUNTERS);
2979         first_counter_read = 0;
2980         if (retval < -1) {
2981                 exit(retval);
2982         } else if (retval == -1) {
2983                 if (restarted > 1) {
2984                         exit(retval);
2985                 }
2986                 re_initialize();
2987                 goto restart;
2988         }
2989         restarted = 0;
2990         done_iters = 0;
2991         gettimeofday(&tv_even, (struct timezone *)NULL);
2992
2993         while (1) {
2994                 if (for_all_proc_cpus(cpu_is_not_present)) {
2995                         re_initialize();
2996                         goto restart;
2997                 }
2998                 do_sleep();
2999                 if (snapshot_proc_sysfs_files())
3000                         goto restart;
3001                 retval = for_all_cpus(get_counters, ODD_COUNTERS);
3002                 if (retval < -1) {
3003                         exit(retval);
3004                 } else if (retval == -1) {
3005                         re_initialize();
3006                         goto restart;
3007                 }
3008                 gettimeofday(&tv_odd, (struct timezone *)NULL);
3009                 timersub(&tv_odd, &tv_even, &tv_delta);
3010                 if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) {
3011                         re_initialize();
3012                         goto restart;
3013                 }
3014                 compute_average(EVEN_COUNTERS);
3015                 format_all_counters(EVEN_COUNTERS);
3016                 flush_output_stdout();
3017                 if (exit_requested)
3018                         break;
3019                 if (num_iterations && ++done_iters >= num_iterations)
3020                         break;
3021                 do_sleep();
3022                 if (snapshot_proc_sysfs_files())
3023                         goto restart;
3024                 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
3025                 if (retval < -1) {
3026                         exit(retval);
3027                 } else if (retval == -1) {
3028                         re_initialize();
3029                         goto restart;
3030                 }
3031                 gettimeofday(&tv_even, (struct timezone *)NULL);
3032                 timersub(&tv_even, &tv_odd, &tv_delta);
3033                 if (for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) {
3034                         re_initialize();
3035                         goto restart;
3036                 }
3037                 compute_average(ODD_COUNTERS);
3038<