1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/kernel.h>
7 #include <linux/types.h>
8 #include <linux/perf_event.h>
9 #include "util/evsel_fprintf.h"
10 #include "trace-event.h"
17 static void __p_bits(char *buf, size_t size, u64 value, struct bit_names *bits)
19 bool first_bit = true;
23 if (value & bits[i].bit) {
24 buf += scnprintf(buf, size, "%s%s", first_bit ? "" : "|", bits[i].name);
27 } while (bits[++i].name != NULL);
30 static void __p_sample_type(char *buf, size_t size, u64 value)
32 #define bit_name(n) { PERF_SAMPLE_##n, #n }
33 struct bit_names bits[] = {
34 bit_name(IP), bit_name(TID), bit_name(TIME), bit_name(ADDR),
35 bit_name(READ), bit_name(CALLCHAIN), bit_name(ID), bit_name(CPU),
36 bit_name(PERIOD), bit_name(STREAM_ID), bit_name(RAW),
37 bit_name(BRANCH_STACK), bit_name(REGS_USER), bit_name(STACK_USER),
38 bit_name(IDENTIFIER), bit_name(REGS_INTR), bit_name(DATA_SRC),
39 bit_name(WEIGHT), bit_name(PHYS_ADDR), bit_name(AUX),
40 bit_name(CGROUP), bit_name(DATA_PAGE_SIZE), bit_name(CODE_PAGE_SIZE),
41 bit_name(WEIGHT_STRUCT),
45 __p_bits(buf, size, value, bits);
48 static void __p_branch_sample_type(char *buf, size_t size, u64 value)
50 #define bit_name(n) { PERF_SAMPLE_BRANCH_##n, #n }
51 struct bit_names bits[] = {
52 bit_name(USER), bit_name(KERNEL), bit_name(HV), bit_name(ANY),
53 bit_name(ANY_CALL), bit_name(ANY_RETURN), bit_name(IND_CALL),
54 bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX),
55 bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP),
56 bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES),
57 bit_name(TYPE_SAVE), bit_name(HW_INDEX), bit_name(PRIV_SAVE),
62 __p_bits(buf, size, value, bits);
65 static void __p_read_format(char *buf, size_t size, u64 value)
67 #define bit_name(n) { PERF_FORMAT_##n, #n }
68 struct bit_names bits[] = {
69 bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING),
70 bit_name(ID), bit_name(GROUP), bit_name(LOST),
74 __p_bits(buf, size, value, bits);
77 #define ENUM_ID_TO_STR_CASE(x) case x: return (#x);
78 static const char *stringify_perf_type_id(u64 value)
81 ENUM_ID_TO_STR_CASE(PERF_TYPE_HARDWARE)
82 ENUM_ID_TO_STR_CASE(PERF_TYPE_SOFTWARE)
83 ENUM_ID_TO_STR_CASE(PERF_TYPE_TRACEPOINT)
84 ENUM_ID_TO_STR_CASE(PERF_TYPE_HW_CACHE)
85 ENUM_ID_TO_STR_CASE(PERF_TYPE_RAW)
86 ENUM_ID_TO_STR_CASE(PERF_TYPE_BREAKPOINT)
92 static const char *stringify_perf_hw_id(u64 value)
95 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CPU_CYCLES)
96 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_INSTRUCTIONS)
97 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_REFERENCES)
98 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_MISSES)
99 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_BRANCH_INSTRUCTIONS)
100 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_BRANCH_MISSES)
101 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_BUS_CYCLES)
102 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_STALLED_CYCLES_FRONTEND)
103 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_STALLED_CYCLES_BACKEND)
104 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_REF_CPU_CYCLES)
110 static const char *stringify_perf_hw_cache_id(u64 value)
113 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_L1D)
114 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_L1I)
115 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_LL)
116 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_DTLB)
117 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_ITLB)
118 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_BPU)
119 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_NODE)
125 static const char *stringify_perf_hw_cache_op_id(u64 value)
128 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_OP_READ)
129 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_OP_WRITE)
130 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_OP_PREFETCH)
136 static const char *stringify_perf_hw_cache_op_result_id(u64 value)
139 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_RESULT_ACCESS)
140 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_RESULT_MISS)
146 static const char *stringify_perf_sw_id(u64 value)
149 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_CPU_CLOCK)
150 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_TASK_CLOCK)
151 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_PAGE_FAULTS)
152 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_CONTEXT_SWITCHES)
153 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_CPU_MIGRATIONS)
154 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_PAGE_FAULTS_MIN)
155 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_PAGE_FAULTS_MAJ)
156 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_ALIGNMENT_FAULTS)
157 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_EMULATION_FAULTS)
158 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_DUMMY)
159 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_BPF_OUTPUT)
160 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_CGROUP_SWITCHES)
165 #undef ENUM_ID_TO_STR_CASE
167 #define PRINT_ID(_s, _f) \
169 const char *__s = _s; \
171 snprintf(buf, size, _f, value); \
173 snprintf(buf, size, _f" (%s)", value, __s); \
175 #define print_id_unsigned(_s) PRINT_ID(_s, "%"PRIu64)
176 #define print_id_hex(_s) PRINT_ID(_s, "%#"PRIx64)
178 static void __p_type_id(char *buf, size_t size, u64 value)
180 print_id_unsigned(stringify_perf_type_id(value));
183 static void __p_config_hw_id(char *buf, size_t size, u64 value)
185 print_id_hex(stringify_perf_hw_id(value));
188 static void __p_config_sw_id(char *buf, size_t size, u64 value)
190 print_id_hex(stringify_perf_sw_id(value));
193 static void __p_config_hw_cache_id(char *buf, size_t size, u64 value)
195 const char *hw_cache_str = stringify_perf_hw_cache_id(value & 0xff);
196 const char *hw_cache_op_str =
197 stringify_perf_hw_cache_op_id((value & 0xff00) >> 8);
198 const char *hw_cache_op_result_str =
199 stringify_perf_hw_cache_op_result_id((value & 0xff0000) >> 16);
201 if (hw_cache_str == NULL || hw_cache_op_str == NULL ||
202 hw_cache_op_result_str == NULL) {
203 snprintf(buf, size, "%#"PRIx64, value);
205 snprintf(buf, size, "%#"PRIx64" (%s | %s | %s)", value,
206 hw_cache_op_result_str, hw_cache_op_str, hw_cache_str);
210 #ifdef HAVE_LIBTRACEEVENT
211 static void __p_config_tracepoint_id(char *buf, size_t size, u64 value)
213 char *str = tracepoint_id_to_name(value);
220 static void __p_config_id(char *buf, size_t size, u32 type, u64 value)
223 case PERF_TYPE_HARDWARE:
224 return __p_config_hw_id(buf, size, value);
225 case PERF_TYPE_SOFTWARE:
226 return __p_config_sw_id(buf, size, value);
227 case PERF_TYPE_HW_CACHE:
228 return __p_config_hw_cache_id(buf, size, value);
229 case PERF_TYPE_TRACEPOINT:
230 #ifdef HAVE_LIBTRACEEVENT
231 return __p_config_tracepoint_id(buf, size, value);
234 case PERF_TYPE_BREAKPOINT:
236 snprintf(buf, size, "%#"PRIx64, value);
241 #define BUF_SIZE 1024
243 #define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val))
244 #define p_unsigned(val) snprintf(buf, BUF_SIZE, "%"PRIu64, (uint64_t)(val))
245 #define p_signed(val) snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)(val))
246 #define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val)
247 #define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val)
248 #define p_read_format(val) __p_read_format(buf, BUF_SIZE, val)
249 #define p_type_id(val) __p_type_id(buf, BUF_SIZE, val)
250 #define p_config_id(val) __p_config_id(buf, BUF_SIZE, attr->type, val)
252 #define PRINT_ATTRn(_n, _f, _p, _a) \
254 if (_a || attr->_f) { \
256 ret += attr__fprintf(fp, _n, buf, priv);\
260 #define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p, false)
262 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
263 attr__fprintf_f attr__fprintf, void *priv)
268 PRINT_ATTRn("type", type, p_type_id, true);
269 PRINT_ATTRf(size, p_unsigned);
270 PRINT_ATTRn("config", config, p_config_id, true);
271 PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned, false);
272 PRINT_ATTRf(sample_type, p_sample_type);
273 PRINT_ATTRf(read_format, p_read_format);
275 PRINT_ATTRf(disabled, p_unsigned);
276 PRINT_ATTRf(inherit, p_unsigned);
277 PRINT_ATTRf(pinned, p_unsigned);
278 PRINT_ATTRf(exclusive, p_unsigned);
279 PRINT_ATTRf(exclude_user, p_unsigned);
280 PRINT_ATTRf(exclude_kernel, p_unsigned);
281 PRINT_ATTRf(exclude_hv, p_unsigned);
282 PRINT_ATTRf(exclude_idle, p_unsigned);
283 PRINT_ATTRf(mmap, p_unsigned);
284 PRINT_ATTRf(comm, p_unsigned);
285 PRINT_ATTRf(freq, p_unsigned);
286 PRINT_ATTRf(inherit_stat, p_unsigned);
287 PRINT_ATTRf(enable_on_exec, p_unsigned);
288 PRINT_ATTRf(task, p_unsigned);
289 PRINT_ATTRf(watermark, p_unsigned);
290 PRINT_ATTRf(precise_ip, p_unsigned);
291 PRINT_ATTRf(mmap_data, p_unsigned);
292 PRINT_ATTRf(sample_id_all, p_unsigned);
293 PRINT_ATTRf(exclude_host, p_unsigned);
294 PRINT_ATTRf(exclude_guest, p_unsigned);
295 PRINT_ATTRf(exclude_callchain_kernel, p_unsigned);
296 PRINT_ATTRf(exclude_callchain_user, p_unsigned);
297 PRINT_ATTRf(mmap2, p_unsigned);
298 PRINT_ATTRf(comm_exec, p_unsigned);
299 PRINT_ATTRf(use_clockid, p_unsigned);
300 PRINT_ATTRf(context_switch, p_unsigned);
301 PRINT_ATTRf(write_backward, p_unsigned);
302 PRINT_ATTRf(namespaces, p_unsigned);
303 PRINT_ATTRf(ksymbol, p_unsigned);
304 PRINT_ATTRf(bpf_event, p_unsigned);
305 PRINT_ATTRf(aux_output, p_unsigned);
306 PRINT_ATTRf(cgroup, p_unsigned);
307 PRINT_ATTRf(text_poke, p_unsigned);
308 PRINT_ATTRf(build_id, p_unsigned);
309 PRINT_ATTRf(inherit_thread, p_unsigned);
310 PRINT_ATTRf(remove_on_exec, p_unsigned);
311 PRINT_ATTRf(sigtrap, p_unsigned);
313 PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned, false);
314 PRINT_ATTRf(bp_type, p_unsigned);
315 PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex, false);
316 PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex, false);
317 PRINT_ATTRf(branch_sample_type, p_branch_sample_type);
318 PRINT_ATTRf(sample_regs_user, p_hex);
319 PRINT_ATTRf(sample_stack_user, p_unsigned);
320 PRINT_ATTRf(clockid, p_signed);
321 PRINT_ATTRf(sample_regs_intr, p_hex);
322 PRINT_ATTRf(aux_watermark, p_unsigned);
323 PRINT_ATTRf(sample_max_stack, p_unsigned);
324 PRINT_ATTRf(aux_sample_size, p_unsigned);
325 PRINT_ATTRf(sig_data, p_unsigned);