tools/perf/builtin-c2c.c

   1 /*
   2  * This is rewrite of original c2c tool introduced in here:
   3  *   http://lwn.net/Articles/588866/
   4  *
   5  * The original tool was changed to fit in current perf state.
   6  *
   7  * Original authors:
   8  *   Don Zickus <dzickus@redhat.com>
   9  *   Dick Fowles <fowles@inreach.com>
  10  *   Joe Mario <jmario@redhat.com>
  11  */
  12 #include <errno.h>
  13 #include <inttypes.h>
  14 #include <linux/compiler.h>
  15 #include <linux/kernel.h>
  16 #include <linux/stringify.h>
  17 #include <asm/bug.h>
  18 #include <sys/param.h>
  19 #include "util.h"
  20 #include "debug.h"
  21 #include "builtin.h"
  22 #include <subcmd/parse-options.h>
  23 #include "mem-events.h"
  24 #include "session.h"
  25 #include "hist.h"
  26 #include "sort.h"
  27 #include "tool.h"
  28 #include "data.h"
  29 #include "sort.h"
  30 #include "event.h"
  31 #include "evlist.h"
  32 #include "evsel.h"
  33 #include <asm/bug.h>
  34 #include "ui/browsers/hists.h"
  35 #include "evlist.h"
  36 #include "thread.h"
  37
  38 struct c2c_hists {
  39         struct hists            hists;
  40         struct perf_hpp_list    list;
  41         struct c2c_stats        stats;
  42 };
  43
  44 struct compute_stats {
  45         struct stats             lcl_hitm;
  46         struct stats             rmt_hitm;
  47         struct stats             load;
  48 };
  49
  50 struct c2c_hist_entry {
  51         struct c2c_hists        *hists;
  52         struct c2c_stats         stats;
  53         unsigned long           *cpuset;
  54         struct c2c_stats        *node_stats;
  55         unsigned int             cacheline_idx;
  56
  57         struct compute_stats     cstats;
  58
  59         /*
  60          * must be at the end,
  61          * because of its callchain dynamic entry
  62          */
  63         struct hist_entry       he;
  64 };
  65
  66 static char const *coalesce_default = "pid,iaddr";
  67
  68 struct perf_c2c {
  69         struct perf_tool        tool;
  70         struct c2c_hists        hists;
  71
  72         unsigned long           **nodes;
  73         int                      nodes_cnt;
  74         int                      cpus_cnt;
  75         int                     *cpu2node;
  76         int                      node_info;
  77
  78         bool                     show_src;
  79         bool                     show_all;
  80         bool                     use_stdio;
  81         bool                     stats_only;
  82         bool                     symbol_full;
  83
  84         /* HITM shared clines stats */
  85         struct c2c_stats        hitm_stats;
  86         int                     shared_clines;
  87
  88         int                      display;
  89
  90         const char              *coalesce;
  91         char                    *cl_sort;
  92         char                    *cl_resort;
  93         char                    *cl_output;
  94 };
  95
  96 enum {
  97         DISPLAY_LCL,
  98         DISPLAY_RMT,
  99         DISPLAY_TOT,
 100         DISPLAY_MAX,
 101 };
 102
 103 static const char *display_str[DISPLAY_MAX] = {
 104         [DISPLAY_LCL] = "Local",
 105         [DISPLAY_RMT] = "Remote",
 106         [DISPLAY_TOT] = "Total",
 107 };
 108
 109 static const struct option c2c_options[] = {
 110         OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
 111         OPT_END()
 112 };
 113
 114 static struct perf_c2c c2c;
 115
 116 static void *c2c_he_zalloc(size_t size)
 117 {
 118         struct c2c_hist_entry *c2c_he;
 119
 120         c2c_he = zalloc(size + sizeof(*c2c_he));
 121         if (!c2c_he)
 122                 return NULL;
 123
 124         c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
 125         if (!c2c_he->cpuset)
 126                 return NULL;
 127
 128         c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
 129         if (!c2c_he->node_stats)
 130                 return NULL;
 131
 132         init_stats(&c2c_he->cstats.lcl_hitm);
 133         init_stats(&c2c_he->cstats.rmt_hitm);
 134         init_stats(&c2c_he->cstats.load);
 135
 136         return &c2c_he->he;
 137 }
 138
 139 static void c2c_he_free(void *he)
 140 {
 141         struct c2c_hist_entry *c2c_he;
 142
 143         c2c_he = container_of(he, struct c2c_hist_entry, he);
 144         if (c2c_he->hists) {
 145                 hists__delete_entries(&c2c_he->hists->hists);
 146                 free(c2c_he->hists);
 147         }
 148
 149         free(c2c_he->cpuset);
 150         free(c2c_he->node_stats);
 151         free(c2c_he);
 152 }
 153
 154 static struct hist_entry_ops c2c_entry_ops = {
 155         .new    = c2c_he_zalloc,
 156         .free   = c2c_he_free,
 157 };
 158
 159 static int c2c_hists__init(struct c2c_hists *hists,
 160                            const char *sort,
 161                            int nr_header_lines);
 162
 163 static struct c2c_hists*
 164 he__get_c2c_hists(struct hist_entry *he,
 165                   const char *sort,
 166                   int nr_header_lines)
 167 {
 168         struct c2c_hist_entry *c2c_he;
 169         struct c2c_hists *hists;
 170         int ret;
 171
 172         c2c_he = container_of(he, struct c2c_hist_entry, he);
 173         if (c2c_he->hists)
 174                 return c2c_he->hists;
 175
 176         hists = c2c_he->hists = zalloc(sizeof(*hists));
 177         if (!hists)
 178                 return NULL;
 179
 180         ret = c2c_hists__init(hists, sort, nr_header_lines);
 181         if (ret) {
 182                 free(hists);
 183                 return NULL;
 184         }
 185
 186         return hists;
 187 }
 188
 189 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
 190                             struct perf_sample *sample)
 191 {
 192         if (WARN_ONCE(sample->cpu == (unsigned int) -1,
 193                       "WARNING: no sample cpu value"))
 194                 return;
 195
 196         set_bit(sample->cpu, c2c_he->cpuset);
 197 }
 198
 199 static void compute_stats(struct c2c_hist_entry *c2c_he,
 200                           struct c2c_stats *stats,
 201                           u64 weight)
 202 {
 203         struct compute_stats *cstats = &c2c_he->cstats;
 204
 205         if (stats->rmt_hitm)
 206                 update_stats(&cstats->rmt_hitm, weight);
 207         else if (stats->lcl_hitm)
 208                 update_stats(&cstats->lcl_hitm, weight);
 209         else if (stats->load)
 210                 update_stats(&cstats->load, weight);
 211 }
 212
 213 static int process_sample_event(struct perf_tool *tool __maybe_unused,
 214                                 union perf_event *event,
 215                                 struct perf_sample *sample,
 216                                 struct perf_evsel *evsel,
 217                                 struct machine *machine)
 218 {
 219         struct c2c_hists *c2c_hists = &c2c.hists;
 220         struct c2c_hist_entry *c2c_he;
 221         struct c2c_stats stats = { .nr_entries = 0, };
 222         struct hist_entry *he;
 223         struct addr_location al;
 224         struct mem_info *mi, *mi_dup;
 225         int ret;
 226
 227         if (machine__resolve(machine, &al, sample) < 0) {
 228                 pr_debug("problem processing %d event, skipping it.\n",
 229                          event->header.type);
 230                 return -1;
 231         }
 232
 233         ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
 234                                         evsel, &al, sysctl_perf_event_max_stack);
 235         if (ret)
 236                 goto out;
 237
 238         mi = sample__resolve_mem(sample, &al);
 239         if (mi == NULL)
 240                 return -ENOMEM;
 241
 242         mi_dup = memdup(mi, sizeof(*mi));
 243         if (!mi_dup)
 244                 goto free_mi;
 245
 246         c2c_decode_stats(&stats, mi);
 247
 248         he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 249                                   &al, NULL, NULL, mi,
 250                                   sample, true);
 251         if (he == NULL)
 252                 goto free_mi_dup;
 253
 254         c2c_he = container_of(he, struct c2c_hist_entry, he);
 255         c2c_add_stats(&c2c_he->stats, &stats);
 256         c2c_add_stats(&c2c_hists->stats, &stats);
 257
 258         c2c_he__set_cpu(c2c_he, sample);
 259
 260         hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 261         ret = hist_entry__append_callchain(he, sample);
 262
 263         if (!ret) {
 264                 /*
 265                  * There's already been warning about missing
 266                  * sample's cpu value. Let's account all to
 267                  * node 0 in this case, without any further
 268                  * warning.
 269                  *
 270                  * Doing node stats only for single callchain data.
 271                  */
 272                 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
 273                 int node = c2c.cpu2node[cpu];
 274
 275                 mi = mi_dup;
 276
 277                 mi_dup = memdup(mi, sizeof(*mi));
 278                 if (!mi_dup)
 279                         goto free_mi;
 280
 281                 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
 282                 if (!c2c_hists)
 283                         goto free_mi_dup;
 284
 285                 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 286                                           &al, NULL, NULL, mi,
 287                                           sample, true);
 288                 if (he == NULL)
 289                         goto free_mi_dup;
 290
 291                 c2c_he = container_of(he, struct c2c_hist_entry, he);
 292                 c2c_add_stats(&c2c_he->stats, &stats);
 293                 c2c_add_stats(&c2c_hists->stats, &stats);
 294                 c2c_add_stats(&c2c_he->node_stats[node], &stats);
 295
 296                 compute_stats(c2c_he, &stats, sample->weight);
 297
 298                 c2c_he__set_cpu(c2c_he, sample);
 299
 300                 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 301                 ret = hist_entry__append_callchain(he, sample);
 302         }
 303
 304 out:
 305         addr_location__put(&al);
 306         return ret;
 307
 308 free_mi_dup:
 309         free(mi_dup);
 310 free_mi:
 311         free(mi);
 312         ret = -ENOMEM;
 313         goto out;
 314 }
 315
 316 static struct perf_c2c c2c = {
 317         .tool = {
 318                 .sample         = process_sample_event,
 319                 .mmap           = perf_event__process_mmap,
 320                 .mmap2          = perf_event__process_mmap2,
 321                 .comm           = perf_event__process_comm,
 322                 .exit           = perf_event__process_exit,
 323                 .fork           = perf_event__process_fork,
 324                 .lost           = perf_event__process_lost,
 325                 .ordered_events = true,
 326                 .ordering_requires_timestamps = true,
 327         },
 328 };
 329
 330 static const char * const c2c_usage[] = {
 331         "perf c2c {record|report}",
 332         NULL
 333 };
 334
 335 static const char * const __usage_report[] = {
 336         "perf c2c report",
 337         NULL
 338 };
 339
 340 static const char * const *report_c2c_usage = __usage_report;
 341
 342 #define C2C_HEADER_MAX 2
 343
 344 struct c2c_header {
 345         struct {
 346                 const char *text;
 347                 int         span;
 348         } line[C2C_HEADER_MAX];
 349 };
 350
 351 struct c2c_dimension {
 352         struct c2c_header        header;
 353         const char              *name;
 354         int                      width;
 355         struct sort_entry       *se;
 356
 357         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 358                        struct hist_entry *, struct hist_entry *);
 359         int   (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 360                        struct hist_entry *he);
 361         int   (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 362                        struct hist_entry *he);
 363 };
 364
 365 struct c2c_fmt {
 366         struct perf_hpp_fmt      fmt;
 367         struct c2c_dimension    *dim;
 368 };
 369
 370 #define SYMBOL_WIDTH 30
 371
 372 static struct c2c_dimension dim_symbol;
 373 static struct c2c_dimension dim_srcline;
 374
 375 static int symbol_width(struct hists *hists, struct sort_entry *se)
 376 {
 377         int width = hists__col_len(hists, se->se_width_idx);
 378
 379         if (!c2c.symbol_full)
 380                 width = MIN(width, SYMBOL_WIDTH);
 381
 382         return width;
 383 }
 384
 385 static int c2c_width(struct perf_hpp_fmt *fmt,
 386                      struct perf_hpp *hpp __maybe_unused,
 387                      struct hists *hists)
 388 {
 389         struct c2c_fmt *c2c_fmt;
 390         struct c2c_dimension *dim;
 391
 392         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 393         dim = c2c_fmt->dim;
 394
 395         if (dim == &dim_symbol || dim == &dim_srcline)
 396                 return symbol_width(hists, dim->se);
 397
 398         return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
 399                          c2c_fmt->dim->width;
 400 }
 401
 402 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 403                       struct hists *hists, int line, int *span)
 404 {
 405         struct perf_hpp_list *hpp_list = hists->hpp_list;
 406         struct c2c_fmt *c2c_fmt;
 407         struct c2c_dimension *dim;
 408         const char *text = NULL;
 409         int width = c2c_width(fmt, hpp, hists);
 410
 411         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 412         dim = c2c_fmt->dim;
 413
 414         if (dim->se) {
 415                 text = dim->header.line[line].text;
 416                 /* Use the last line from sort_entry if not defined. */
 417                 if (!text && (line == hpp_list->nr_header_lines - 1))
 418                         text = dim->se->se_header;
 419         } else {
 420                 text = dim->header.line[line].text;
 421
 422                 if (*span) {
 423                         (*span)--;
 424                         return 0;
 425                 } else {
 426                         *span = dim->header.line[line].span;
 427                 }
 428         }
 429
 430         if (text == NULL)
 431                 text = "";
 432
 433         return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
 434 }
 435
 436 #define HEX_STR(__s, __v)                               \
 437 ({                                                      \
 438         scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
 439         __s;                                            \
 440 })
 441
 442 static int64_t
 443 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 444                struct hist_entry *left, struct hist_entry *right)
 445 {
 446         return sort__dcacheline_cmp(left, right);
 447 }
 448
 449 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 450                             struct hist_entry *he)
 451 {
 452         uint64_t addr = 0;
 453         int width = c2c_width(fmt, hpp, he->hists);
 454         char buf[20];
 455
 456         if (he->mem_info)
 457                 addr = cl_address(he->mem_info->daddr.addr);
 458
 459         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 460 }
 461
 462 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 463                         struct hist_entry *he)
 464 {
 465         uint64_t addr = 0;
 466         int width = c2c_width(fmt, hpp, he->hists);
 467         char buf[20];
 468
 469         if (he->mem_info)
 470                 addr = cl_offset(he->mem_info->daddr.al_addr);
 471
 472         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 473 }
 474
 475 static int64_t
 476 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 477            struct hist_entry *left, struct hist_entry *right)
 478 {
 479         uint64_t l = 0, r = 0;
 480
 481         if (left->mem_info)
 482                 l = cl_offset(left->mem_info->daddr.addr);
 483         if (right->mem_info)
 484                 r = cl_offset(right->mem_info->daddr.addr);
 485
 486         return (int64_t)(r - l);
 487 }
 488
 489 static int
 490 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 491             struct hist_entry *he)
 492 {
 493         uint64_t addr = 0;
 494         int width = c2c_width(fmt, hpp, he->hists);
 495         char buf[20];
 496
 497         if (he->mem_info)
 498                 addr = he->mem_info->iaddr.addr;
 499
 500         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 501 }
 502
 503 static int64_t
 504 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 505           struct hist_entry *left, struct hist_entry *right)
 506 {
 507         return sort__iaddr_cmp(left, right);
 508 }
 509
 510 static int
 511 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 512                struct hist_entry *he)
 513 {
 514         struct c2c_hist_entry *c2c_he;
 515         int width = c2c_width(fmt, hpp, he->hists);
 516         unsigned int tot_hitm;
 517
 518         c2c_he = container_of(he, struct c2c_hist_entry, he);
 519         tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
 520
 521         return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
 522 }
 523
 524 static int64_t
 525 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 526              struct hist_entry *left, struct hist_entry *right)
 527 {
 528         struct c2c_hist_entry *c2c_left;
 529         struct c2c_hist_entry *c2c_right;
 530         unsigned int tot_hitm_left;
 531         unsigned int tot_hitm_right;
 532
 533         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 534         c2c_right = container_of(right, struct c2c_hist_entry, he);
 535
 536         tot_hitm_left  = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
 537         tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
 538
 539         return tot_hitm_left - tot_hitm_right;
 540 }
 541
 542 #define STAT_FN_ENTRY(__f)                                      \
 543 static int                                                      \
 544 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,   \
 545               struct hist_entry *he)                            \
 546 {                                                               \
 547         struct c2c_hist_entry *c2c_he;                          \
 548         int width = c2c_width(fmt, hpp, he->hists);             \
 549                                                                 \
 550         c2c_he = container_of(he, struct c2c_hist_entry, he);   \
 551         return scnprintf(hpp->buf, hpp->size, "%*u", width,     \
 552                          c2c_he->stats.__f);                    \
 553 }
 554
 555 #define STAT_FN_CMP(__f)                                                \
 556 static int64_t                                                          \
 557 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused,                    \
 558             struct hist_entry *left, struct hist_entry *right)          \
 559 {                                                                       \
 560         struct c2c_hist_entry *c2c_left, *c2c_right;                    \
 561                                                                         \
 562         c2c_left  = container_of(left, struct c2c_hist_entry, he);      \
 563         c2c_right = container_of(right, struct c2c_hist_entry, he);     \
 564         return c2c_left->stats.__f - c2c_right->stats.__f;              \
 565 }
 566
 567 #define STAT_FN(__f)            \
 568         STAT_FN_ENTRY(__f)      \
 569         STAT_FN_CMP(__f)
 570
 571 STAT_FN(rmt_hitm)
 572 STAT_FN(lcl_hitm)
 573 STAT_FN(store)
 574 STAT_FN(st_l1hit)
 575 STAT_FN(st_l1miss)
 576 STAT_FN(ld_fbhit)
 577 STAT_FN(ld_l1hit)
 578 STAT_FN(ld_l2hit)
 579 STAT_FN(ld_llchit)
 580 STAT_FN(rmt_hit)
 581
 582 static uint64_t llc_miss(struct c2c_stats *stats)
 583 {
 584         uint64_t llcmiss;
 585
 586         llcmiss = stats->lcl_dram +
 587                   stats->rmt_dram +
 588                   stats->rmt_hitm +
 589                   stats->rmt_hit;
 590
 591         return llcmiss;
 592 }
 593
 594 static int
 595 ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 596                  struct hist_entry *he)
 597 {
 598         struct c2c_hist_entry *c2c_he;
 599         int width = c2c_width(fmt, hpp, he->hists);
 600
 601         c2c_he = container_of(he, struct c2c_hist_entry, he);
 602
 603         return scnprintf(hpp->buf, hpp->size, "%*lu", width,
 604                          llc_miss(&c2c_he->stats));
 605 }
 606
 607 static int64_t
 608 ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 609                struct hist_entry *left, struct hist_entry *right)
 610 {
 611         struct c2c_hist_entry *c2c_left;
 612         struct c2c_hist_entry *c2c_right;
 613
 614         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 615         c2c_right = container_of(right, struct c2c_hist_entry, he);
 616
 617         return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
 618 }
 619
 620 static uint64_t total_records(struct c2c_stats *stats)
 621 {
 622         uint64_t lclmiss, ldcnt, total;
 623
 624         lclmiss  = stats->lcl_dram +
 625                    stats->rmt_dram +
 626                    stats->rmt_hitm +
 627                    stats->rmt_hit;
 628
 629         ldcnt    = lclmiss +
 630                    stats->ld_fbhit +
 631                    stats->ld_l1hit +
 632                    stats->ld_l2hit +
 633                    stats->ld_llchit +
 634                    stats->lcl_hitm;
 635
 636         total    = ldcnt +
 637                    stats->st_l1hit +
 638                    stats->st_l1miss;
 639
 640         return total;
 641 }
 642
 643 static int
 644 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 645                 struct hist_entry *he)
 646 {
 647         struct c2c_hist_entry *c2c_he;
 648         int width = c2c_width(fmt, hpp, he->hists);
 649         uint64_t tot_recs;
 650
 651         c2c_he = container_of(he, struct c2c_hist_entry, he);
 652         tot_recs = total_records(&c2c_he->stats);
 653
 654         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 655 }
 656
 657 static int64_t
 658 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 659              struct hist_entry *left, struct hist_entry *right)
 660 {
 661         struct c2c_hist_entry *c2c_left;
 662         struct c2c_hist_entry *c2c_right;
 663         uint64_t tot_recs_left;
 664         uint64_t tot_recs_right;
 665
 666         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 667         c2c_right = container_of(right, struct c2c_hist_entry, he);
 668
 669         tot_recs_left  = total_records(&c2c_left->stats);
 670         tot_recs_right = total_records(&c2c_right->stats);
 671
 672         return tot_recs_left - tot_recs_right;
 673 }
 674
 675 static uint64_t total_loads(struct c2c_stats *stats)
 676 {
 677         uint64_t lclmiss, ldcnt;
 678
 679         lclmiss  = stats->lcl_dram +
 680                    stats->rmt_dram +
 681                    stats->rmt_hitm +
 682                    stats->rmt_hit;
 683
 684         ldcnt    = lclmiss +
 685                    stats->ld_fbhit +
 686                    stats->ld_l1hit +
 687                    stats->ld_l2hit +
 688                    stats->ld_llchit +
 689                    stats->lcl_hitm;
 690
 691         return ldcnt;
 692 }
 693
 694 static int
 695 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 696                 struct hist_entry *he)
 697 {
 698         struct c2c_hist_entry *c2c_he;
 699         int width = c2c_width(fmt, hpp, he->hists);
 700         uint64_t tot_recs;
 701
 702         c2c_he = container_of(he, struct c2c_hist_entry, he);
 703         tot_recs = total_loads(&c2c_he->stats);
 704
 705         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 706 }
 707
 708 static int64_t
 709 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 710               struct hist_entry *left, struct hist_entry *right)
 711 {
 712         struct c2c_hist_entry *c2c_left;
 713         struct c2c_hist_entry *c2c_right;
 714         uint64_t tot_recs_left;
 715         uint64_t tot_recs_right;
 716
 717         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 718         c2c_right = container_of(right, struct c2c_hist_entry, he);
 719
 720         tot_recs_left  = total_loads(&c2c_left->stats);
 721         tot_recs_right = total_loads(&c2c_right->stats);
 722
 723         return tot_recs_left - tot_recs_right;
 724 }
 725
 726 typedef double (get_percent_cb)(struct c2c_hist_entry *);
 727
 728 static int
 729 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 730               struct hist_entry *he, get_percent_cb get_percent)
 731 {
 732         struct c2c_hist_entry *c2c_he;
 733         int width = c2c_width(fmt, hpp, he->hists);
 734         double per;
 735
 736         c2c_he = container_of(he, struct c2c_hist_entry, he);
 737         per = get_percent(c2c_he);
 738
 739 #ifdef HAVE_SLANG_SUPPORT
 740         if (use_browser)
 741                 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
 742 #endif
 743         return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
 744 }
 745
 746 static double percent_hitm(struct c2c_hist_entry *c2c_he)
 747 {
 748         struct c2c_hists *hists;
 749         struct c2c_stats *stats;
 750         struct c2c_stats *total;
 751         int tot = 0, st = 0;
 752         double p;
 753
 754         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
 755         stats = &c2c_he->stats;
 756         total = &hists->stats;
 757
 758         switch (c2c.display) {
 759         case DISPLAY_RMT:
 760                 st  = stats->rmt_hitm;
 761                 tot = total->rmt_hitm;
 762                 break;
 763         case DISPLAY_LCL:
 764                 st  = stats->lcl_hitm;
 765                 tot = total->lcl_hitm;
 766                 break;
 767         case DISPLAY_TOT:
 768                 st  = stats->tot_hitm;
 769                 tot = total->tot_hitm;
 770         default:
 771                 break;
 772         }
 773
 774         p = tot ? (double) st / tot : 0;
 775
 776         return 100 * p;
 777 }
 778
 779 #define PERC_STR(__s, __v)                              \
 780 ({                                                      \
 781         scnprintf(__s, sizeof(__s), "%.2F%%", __v);     \
 782         __s;                                            \
 783 })
 784
 785 static int
 786 percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 787                    struct hist_entry *he)
 788 {
 789         struct c2c_hist_entry *c2c_he;
 790         int width = c2c_width(fmt, hpp, he->hists);
 791         char buf[10];
 792         double per;
 793
 794         c2c_he = container_of(he, struct c2c_hist_entry, he);
 795         per = percent_hitm(c2c_he);
 796         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 797 }
 798
 799 static int
 800 percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 801                    struct hist_entry *he)
 802 {
 803         return percent_color(fmt, hpp, he, percent_hitm);
 804 }
 805
 806 static int64_t
 807 percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 808                  struct hist_entry *left, struct hist_entry *right)
 809 {
 810         struct c2c_hist_entry *c2c_left;
 811         struct c2c_hist_entry *c2c_right;
 812         double per_left;
 813         double per_right;
 814
 815         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 816         c2c_right = container_of(right, struct c2c_hist_entry, he);
 817
 818         per_left  = percent_hitm(c2c_left);
 819         per_right = percent_hitm(c2c_right);
 820
 821         return per_left - per_right;
 822 }
 823
 824 static struct c2c_stats *he_stats(struct hist_entry *he)
 825 {
 826         struct c2c_hist_entry *c2c_he;
 827
 828         c2c_he = container_of(he, struct c2c_hist_entry, he);
 829         return &c2c_he->stats;
 830 }
 831
 832 static struct c2c_stats *total_stats(struct hist_entry *he)
 833 {
 834         struct c2c_hists *hists;
 835
 836         hists = container_of(he->hists, struct c2c_hists, hists);
 837         return &hists->stats;
 838 }
 839
 840 static double percent(int st, int tot)
 841 {
 842         return tot ? 100. * (double) st / (double) tot : 0;
 843 }
 844
 845 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
 846
 847 #define PERCENT_FN(__f)                                                         \
 848 static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                    \
 849 {                                                                               \
 850         struct c2c_hists *hists;                                                \
 851                                                                                 \
 852         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
 853         return percent(c2c_he->stats.__f, hists->stats.__f);                    \
 854 }
 855
 856 PERCENT_FN(rmt_hitm)
 857 PERCENT_FN(lcl_hitm)
 858 PERCENT_FN(st_l1hit)
 859 PERCENT_FN(st_l1miss)
 860
 861 static int
 862 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 863                        struct hist_entry *he)
 864 {
 865         int width = c2c_width(fmt, hpp, he->hists);
 866         double per = PERCENT(he, rmt_hitm);
 867         char buf[10];
 868
 869         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 870 }
 871
 872 static int
 873 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 874                        struct hist_entry *he)
 875 {
 876         return percent_color(fmt, hpp, he, percent_rmt_hitm);
 877 }
 878
 879 static int64_t
 880 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 881                      struct hist_entry *left, struct hist_entry *right)
 882 {
 883         double per_left;
 884         double per_right;
 885
 886         per_left  = PERCENT(left, lcl_hitm);
 887         per_right = PERCENT(right, lcl_hitm);
 888
 889         return per_left - per_right;
 890 }
 891
 892 static int
 893 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 894                        struct hist_entry *he)
 895 {
 896         int width = c2c_width(fmt, hpp, he->hists);
 897         double per = PERCENT(he, lcl_hitm);
 898         char buf[10];
 899
 900         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 901 }
 902
 903 static int
 904 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 905                        struct hist_entry *he)
 906 {
 907         return percent_color(fmt, hpp, he, percent_lcl_hitm);
 908 }
 909
 910 static int64_t
 911 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 912                      struct hist_entry *left, struct hist_entry *right)
 913 {
 914         double per_left;
 915         double per_right;
 916
 917         per_left  = PERCENT(left, lcl_hitm);
 918         per_right = PERCENT(right, lcl_hitm);
 919
 920         return per_left - per_right;
 921 }
 922
 923 static int
 924 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 925                            struct hist_entry *he)
 926 {
 927         int width = c2c_width(fmt, hpp, he->hists);
 928         double per = PERCENT(he, st_l1hit);
 929         char buf[10];
 930
 931         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 932 }
 933
 934 static int
 935 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 936                            struct hist_entry *he)
 937 {
 938         return percent_color(fmt, hpp, he, percent_st_l1hit);
 939 }
 940
 941 static int64_t
 942 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 943                         struct hist_entry *left, struct hist_entry *right)
 944 {
 945         double per_left;
 946         double per_right;
 947
 948         per_left  = PERCENT(left, st_l1hit);
 949         per_right = PERCENT(right, st_l1hit);
 950
 951         return per_left - per_right;
 952 }
 953
 954 static int
 955 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 956                            struct hist_entry *he)
 957 {
 958         int width = c2c_width(fmt, hpp, he->hists);
 959         double per = PERCENT(he, st_l1miss);
 960         char buf[10];
 961
 962         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 963 }
 964
 965 static int
 966 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 967                             struct hist_entry *he)
 968 {
 969         return percent_color(fmt, hpp, he, percent_st_l1miss);
 970 }
 971
 972 static int64_t
 973 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 974                           struct hist_entry *left, struct hist_entry *right)
 975 {
 976         double per_left;
 977         double per_right;
 978
 979         per_left  = PERCENT(left, st_l1miss);
 980         per_right = PERCENT(right, st_l1miss);
 981
 982         return per_left - per_right;
 983 }
 984
 985 STAT_FN(lcl_dram)
 986 STAT_FN(rmt_dram)
 987
 988 static int
 989 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 990           struct hist_entry *he)
 991 {
 992         int width = c2c_width(fmt, hpp, he->hists);
 993
 994         return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
 995 }
 996
 997 static int64_t
 998 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 999         struct hist_entry *left, struct hist_entry *right)
1000 {
1001         return left->thread->pid_ - right->thread->pid_;
1002 }
1003
1004 static int64_t
1005 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1006           struct hist_entry *left __maybe_unused,
1007           struct hist_entry *right __maybe_unused)
1008 {
1009         return 0;
1010 }
1011
1012 static int
1013 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1014            struct hist_entry *he)
1015 {
1016         struct c2c_hist_entry *c2c_he;
1017         bool first = true;
1018         int node;
1019         int ret = 0;
1020
1021         c2c_he = container_of(he, struct c2c_hist_entry, he);
1022
1023         for (node = 0; node < c2c.nodes_cnt; node++) {
1024                 DECLARE_BITMAP(set, c2c.cpus_cnt);
1025
1026                 bitmap_zero(set, c2c.cpus_cnt);
1027                 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1028
1029                 if (!bitmap_weight(set, c2c.cpus_cnt)) {
1030                         if (c2c.node_info == 1) {
1031                                 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1032                                 advance_hpp(hpp, ret);
1033                         }
1034                         continue;
1035                 }
1036
1037                 if (!first) {
1038                         ret = scnprintf(hpp->buf, hpp->size, " ");
1039                         advance_hpp(hpp, ret);
1040                 }
1041
1042                 switch (c2c.node_info) {
1043                 case 0:
1044                         ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1045                         advance_hpp(hpp, ret);
1046                         break;
1047                 case 1:
1048                 {
1049                         int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
1050                         struct c2c_stats *stats = &c2c_he->node_stats[node];
1051
1052                         ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1053                         advance_hpp(hpp, ret);
1054
1055                 #define DISPLAY_HITM(__h)                                               \
1056                         if (c2c_he->stats.__h> 0) {                                     \
1057                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",        \
1058                                                 percent(stats->__h, c2c_he->stats.__h));\
1059                         } else {                                                        \
1060                                 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");    \
1061                         }
1062
1063                         switch (c2c.display) {
1064                         case DISPLAY_RMT:
1065                                 DISPLAY_HITM(rmt_hitm);
1066                                 break;
1067                         case DISPLAY_LCL:
1068                                 DISPLAY_HITM(lcl_hitm);
1069                                 break;
1070                         case DISPLAY_TOT:
1071                                 DISPLAY_HITM(tot_hitm);
1072                         default:
1073                                 break;
1074                         }
1075
1076                 #undef DISPLAY_HITM
1077
1078                         advance_hpp(hpp, ret);
1079
1080                         if (c2c_he->stats.store > 0) {
1081                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1082                                                 percent(stats->store, c2c_he->stats.store));
1083                         } else {
1084                                 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1085                         }
1086
1087                         advance_hpp(hpp, ret);
1088                         break;
1089                 }
1090                 case 2:
1091                         ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1092                         advance_hpp(hpp, ret);
1093
1094                         ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1095                         advance_hpp(hpp, ret);
1096
1097                         ret = scnprintf(hpp->buf, hpp->size, "}");
1098                         advance_hpp(hpp, ret);
1099                         break;
1100                 default:
1101                         break;
1102                 }
1103
1104                 first = false;
1105         }
1106
1107         return 0;
1108 }
1109
1110 static int
1111 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1112            struct hist_entry *he, double mean)
1113 {
1114         int width = c2c_width(fmt, hpp, he->hists);
1115         char buf[10];
1116
1117         scnprintf(buf, 10, "%6.0f", mean);
1118         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1119 }
1120
1121 #define MEAN_ENTRY(__func, __val)                                               \
1122 static int                                                                      \
1123 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)   \
1124 {                                                                               \
1125         struct c2c_hist_entry *c2c_he;                                          \
1126         c2c_he = container_of(he, struct c2c_hist_entry, he);                   \
1127         return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val));      \
1128 }
1129
1130 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
1131 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
1132 MEAN_ENTRY(mean_load_entry, load);
1133
1134 static int
1135 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1136              struct hist_entry *he)
1137 {
1138         struct c2c_hist_entry *c2c_he;
1139         int width = c2c_width(fmt, hpp, he->hists);
1140         char buf[10];
1141
1142         c2c_he = container_of(he, struct c2c_hist_entry, he);
1143
1144         scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1145         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1146 }
1147
1148 static int
1149 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1150              struct hist_entry *he)
1151 {
1152         struct c2c_hist_entry *c2c_he;
1153         int width = c2c_width(fmt, hpp, he->hists);
1154         char buf[10];
1155
1156         c2c_he = container_of(he, struct c2c_hist_entry, he);
1157
1158         scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1159         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1160 }
1161
1162 static int
1163 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1164                    struct hist_entry *he)
1165 {
1166         int width = c2c_width(fmt, hpp, he->hists);
1167
1168         return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1169 }
1170
1171 #define HEADER_LOW(__h)                 \
1172         {                               \
1173                 .line[1] = {            \
1174                         .text = __h,    \
1175                 },                      \
1176         }
1177
1178 #define HEADER_BOTH(__h0, __h1)         \
1179         {                               \
1180                 .line[0] = {            \
1181                         .text = __h0,   \
1182                 },                      \
1183                 .line[1] = {            \
1184                         .text = __h1,   \
1185                 },                      \
1186         }
1187
1188 #define HEADER_SPAN(__h0, __h1, __s)    \
1189         {                               \
1190                 .line[0] = {            \
1191                         .text = __h0,   \
1192                         .span = __s,    \
1193                 },                      \
1194                 .line[1] = {            \
1195                         .text = __h1,   \
1196                 },                      \
1197         }
1198
1199 #define HEADER_SPAN_LOW(__h)            \
1200         {                               \
1201                 .line[1] = {            \
1202                         .text = __h,    \
1203                 },                      \
1204         }
1205
1206 static struct c2c_dimension dim_dcacheline = {
1207         .header         = HEADER_LOW("Cacheline"),
1208         .name           = "dcacheline",
1209         .cmp            = dcacheline_cmp,
1210         .entry          = dcacheline_entry,
1211         .width          = 18,
1212 };
1213
1214 static struct c2c_header header_offset_tui = HEADER_LOW("Off");
1215
1216 static struct c2c_dimension dim_offset = {
1217         .header         = HEADER_BOTH("Data address", "Offset"),
1218         .name           = "offset",
1219         .cmp            = offset_cmp,
1220         .entry          = offset_entry,
1221         .width          = 18,
1222 };
1223
1224 static struct c2c_dimension dim_iaddr = {
1225         .header         = HEADER_LOW("Code address"),
1226         .name           = "iaddr",
1227         .cmp            = iaddr_cmp,
1228         .entry          = iaddr_entry,
1229         .width          = 18,
1230 };
1231
1232 static struct c2c_dimension dim_tot_hitm = {
1233         .header         = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1234         .name           = "tot_hitm",
1235         .cmp            = tot_hitm_cmp,
1236         .entry          = tot_hitm_entry,
1237         .width          = 7,
1238 };
1239
1240 static struct c2c_dimension dim_lcl_hitm = {
1241         .header         = HEADER_SPAN_LOW("Lcl"),
1242         .name           = "lcl_hitm",
1243         .cmp            = lcl_hitm_cmp,
1244         .entry          = lcl_hitm_entry,
1245         .width          = 7,
1246 };
1247
1248 static struct c2c_dimension dim_rmt_hitm = {
1249         .header         = HEADER_SPAN_LOW("Rmt"),
1250         .name           = "rmt_hitm",
1251         .cmp            = rmt_hitm_cmp,
1252         .entry          = rmt_hitm_entry,
1253         .width          = 7,
1254 };
1255
1256 static struct c2c_dimension dim_cl_rmt_hitm = {
1257         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1258         .name           = "cl_rmt_hitm",
1259         .cmp            = rmt_hitm_cmp,
1260         .entry          = rmt_hitm_entry,
1261         .width          = 7,
1262 };
1263
1264 static struct c2c_dimension dim_cl_lcl_hitm = {
1265         .header         = HEADER_SPAN_LOW("Lcl"),
1266         .name           = "cl_lcl_hitm",
1267         .cmp            = lcl_hitm_cmp,
1268         .entry          = lcl_hitm_entry,
1269         .width          = 7,
1270 };
1271
1272 static struct c2c_dimension dim_stores = {
1273         .header         = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1274         .name           = "stores",
1275         .cmp            = store_cmp,
1276         .entry          = store_entry,
1277         .width          = 7,
1278 };
1279
1280 static struct c2c_dimension dim_stores_l1hit = {
1281         .header         = HEADER_SPAN_LOW("L1Hit"),
1282         .name           = "stores_l1hit",
1283         .cmp            = st_l1hit_cmp,
1284         .entry          = st_l1hit_entry,
1285         .width          = 7,
1286 };
1287
1288 static struct c2c_dimension dim_stores_l1miss = {
1289         .header         = HEADER_SPAN_LOW("L1Miss"),
1290         .name           = "stores_l1miss",
1291         .cmp            = st_l1miss_cmp,
1292         .entry          = st_l1miss_entry,
1293         .width          = 7,
1294 };
1295
1296 static struct c2c_dimension dim_cl_stores_l1hit = {
1297         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1298         .name           = "cl_stores_l1hit",
1299         .cmp            = st_l1hit_cmp,
1300         .entry          = st_l1hit_entry,
1301         .width          = 7,
1302 };
1303
1304 static struct c2c_dimension dim_cl_stores_l1miss = {
1305         .header         = HEADER_SPAN_LOW("L1 Miss"),
1306         .name           = "cl_stores_l1miss",
1307         .cmp            = st_l1miss_cmp,
1308         .entry          = st_l1miss_entry,
1309         .width          = 7,
1310 };
1311
1312 static struct c2c_dimension dim_ld_fbhit = {
1313         .header         = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1314         .name           = "ld_fbhit",
1315         .cmp            = ld_fbhit_cmp,
1316         .entry          = ld_fbhit_entry,
1317         .width          = 7,
1318 };
1319
1320 static struct c2c_dimension dim_ld_l1hit = {
1321         .header         = HEADER_SPAN_LOW("L1"),
1322         .name           = "ld_l1hit",
1323         .cmp            = ld_l1hit_cmp,
1324         .entry          = ld_l1hit_entry,
1325         .width          = 7,
1326 };
1327
1328 static struct c2c_dimension dim_ld_l2hit = {
1329         .header         = HEADER_SPAN_LOW("L2"),
1330         .name           = "ld_l2hit",
1331         .cmp            = ld_l2hit_cmp,
1332         .entry          = ld_l2hit_entry,
1333         .width          = 7,
1334 };
1335
1336 static struct c2c_dimension dim_ld_llchit = {
1337         .header         = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1338         .name           = "ld_lclhit",
1339         .cmp            = ld_llchit_cmp,
1340         .entry          = ld_llchit_entry,
1341         .width          = 8,
1342 };
1343
1344 static struct c2c_dimension dim_ld_rmthit = {
1345         .header         = HEADER_SPAN_LOW("Rmt"),
1346         .name           = "ld_rmthit",
1347         .cmp            = rmt_hit_cmp,
1348         .entry          = rmt_hit_entry,
1349         .width          = 8,
1350 };
1351
1352 static struct c2c_dimension dim_ld_llcmiss = {
1353         .header         = HEADER_BOTH("LLC", "Ld Miss"),
1354         .name           = "ld_llcmiss",
1355         .cmp            = ld_llcmiss_cmp,
1356         .entry          = ld_llcmiss_entry,
1357         .width          = 7,
1358 };
1359
1360 static struct c2c_dimension dim_tot_recs = {
1361         .header         = HEADER_BOTH("Total", "records"),
1362         .name           = "tot_recs",
1363         .cmp            = tot_recs_cmp,
1364         .entry          = tot_recs_entry,
1365         .width          = 7,
1366 };
1367
1368 static struct c2c_dimension dim_tot_loads = {
1369         .header         = HEADER_BOTH("Total", "Loads"),
1370         .name           = "tot_loads",
1371         .cmp            = tot_loads_cmp,
1372         .entry          = tot_loads_entry,
1373         .width          = 7,
1374 };
1375
1376 static struct c2c_header percent_hitm_header[] = {
1377         [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
1378         [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
1379         [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
1380 };
1381
1382 static struct c2c_dimension dim_percent_hitm = {
1383         .name           = "percent_hitm",
1384         .cmp            = percent_hitm_cmp,
1385         .entry          = percent_hitm_entry,
1386         .color          = percent_hitm_color,
1387         .width          = 7,
1388 };
1389
1390 static struct c2c_dimension dim_percent_rmt_hitm = {
1391         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1392         .name           = "percent_rmt_hitm",
1393         .cmp            = percent_rmt_hitm_cmp,
1394         .entry          = percent_rmt_hitm_entry,
1395         .color          = percent_rmt_hitm_color,
1396         .width          = 7,
1397 };
1398
1399 static struct c2c_dimension dim_percent_lcl_hitm = {
1400         .header         = HEADER_SPAN_LOW("Lcl"),
1401         .name           = "percent_lcl_hitm",
1402         .cmp            = percent_lcl_hitm_cmp,
1403         .entry          = percent_lcl_hitm_entry,
1404         .color          = percent_lcl_hitm_color,
1405         .width          = 7,
1406 };
1407
1408 static struct c2c_dimension dim_percent_stores_l1hit = {
1409         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1410         .name           = "percent_stores_l1hit",
1411         .cmp            = percent_stores_l1hit_cmp,
1412         .entry          = percent_stores_l1hit_entry,
1413         .color          = percent_stores_l1hit_color,
1414         .width          = 7,
1415 };
1416
1417 static struct c2c_dimension dim_percent_stores_l1miss = {
1418         .header         = HEADER_SPAN_LOW("L1 Miss"),
1419         .name           = "percent_stores_l1miss",
1420         .cmp            = percent_stores_l1miss_cmp,
1421         .entry          = percent_stores_l1miss_entry,
1422         .color          = percent_stores_l1miss_color,
1423         .width          = 7,
1424 };
1425
1426 static struct c2c_dimension dim_dram_lcl = {
1427         .header         = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1428         .name           = "dram_lcl",
1429         .cmp            = lcl_dram_cmp,
1430         .entry          = lcl_dram_entry,
1431         .width          = 8,
1432 };
1433
1434 static struct c2c_dimension dim_dram_rmt = {
1435         .header         = HEADER_SPAN_LOW("Rmt"),
1436         .name           = "dram_rmt",
1437         .cmp            = rmt_dram_cmp,
1438         .entry          = rmt_dram_entry,
1439         .width          = 8,
1440 };
1441
1442 static struct c2c_dimension dim_pid = {
1443         .header         = HEADER_LOW("Pid"),
1444         .name           = "pid",
1445         .cmp            = pid_cmp,
1446         .entry          = pid_entry,
1447         .width          = 7,
1448 };
1449
1450 static struct c2c_dimension dim_tid = {
1451         .header         = HEADER_LOW("Tid"),
1452         .name           = "tid",
1453         .se             = &sort_thread,
1454 };
1455
1456 static struct c2c_dimension dim_symbol = {
1457         .name           = "symbol",
1458         .se             = &sort_sym,
1459 };
1460
1461 static struct c2c_dimension dim_dso = {
1462         .header         = HEADER_BOTH("Shared", "Object"),
1463         .name           = "dso",
1464         .se             = &sort_dso,
1465 };
1466
1467 static struct c2c_header header_node[3] = {
1468         HEADER_LOW("Node"),
1469         HEADER_LOW("Node{cpus %hitms %stores}"),
1470         HEADER_LOW("Node{cpu list}"),
1471 };
1472
1473 static struct c2c_dimension dim_node = {
1474         .name           = "node",
1475         .cmp            = empty_cmp,
1476         .entry          = node_entry,
1477         .width          = 4,
1478 };
1479
1480 static struct c2c_dimension dim_mean_rmt = {
1481         .header         = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1482         .name           = "mean_rmt",
1483         .cmp            = empty_cmp,
1484         .entry          = mean_rmt_entry,
1485         .width          = 8,
1486 };
1487
1488 static struct c2c_dimension dim_mean_lcl = {
1489         .header         = HEADER_SPAN_LOW("lcl hitm"),
1490         .name           = "mean_lcl",
1491         .cmp            = empty_cmp,
1492         .entry          = mean_lcl_entry,
1493         .width          = 8,
1494 };
1495
1496 static struct c2c_dimension dim_mean_load = {
1497         .header         = HEADER_SPAN_LOW("load"),
1498         .name           = "mean_load",
1499         .cmp            = empty_cmp,
1500         .entry          = mean_load_entry,
1501         .width          = 8,
1502 };
1503
1504 static struct c2c_dimension dim_cpucnt = {
1505         .header         = HEADER_BOTH("cpu", "cnt"),
1506         .name           = "cpucnt",
1507         .cmp            = empty_cmp,
1508         .entry          = cpucnt_entry,
1509         .width          = 8,
1510 };
1511
1512 static struct c2c_dimension dim_srcline = {
1513         .name           = "cl_srcline",
1514         .se             = &sort_srcline,
1515 };
1516
1517 static struct c2c_dimension dim_dcacheline_idx = {
1518         .header         = HEADER_LOW("Index"),
1519         .name           = "cl_idx",
1520         .cmp            = empty_cmp,
1521         .entry          = cl_idx_entry,
1522         .width          = 5,
1523 };
1524
1525 static struct c2c_dimension dim_dcacheline_num = {
1526         .header         = HEADER_LOW("Num"),
1527         .name           = "cl_num",
1528         .cmp            = empty_cmp,
1529         .entry          = cl_idx_entry,
1530         .width          = 5,
1531 };
1532
1533 static struct c2c_dimension dim_dcacheline_num_empty = {
1534         .header         = HEADER_LOW("Num"),
1535         .name           = "cl_num_empty",
1536         .cmp            = empty_cmp,
1537         .entry          = cl_idx_empty_entry,
1538         .width          = 5,
1539 };
1540
1541 static struct c2c_dimension *dimensions[] = {
1542         &dim_dcacheline,
1543         &dim_offset,
1544         &dim_iaddr,
1545         &dim_tot_hitm,
1546         &dim_lcl_hitm,
1547         &dim_rmt_hitm,
1548         &dim_cl_lcl_hitm,
1549         &dim_cl_rmt_hitm,
1550         &dim_stores,
1551         &dim_stores_l1hit,
1552         &dim_stores_l1miss,
1553         &dim_cl_stores_l1hit,
1554         &dim_cl_stores_l1miss,
1555         &dim_ld_fbhit,
1556         &dim_ld_l1hit,
1557         &dim_ld_l2hit,
1558         &dim_ld_llchit,
1559         &dim_ld_rmthit,
1560         &dim_ld_llcmiss,
1561         &dim_tot_recs,
1562         &dim_tot_loads,
1563         &dim_percent_hitm,
1564         &dim_percent_rmt_hitm,
1565         &dim_percent_lcl_hitm,
1566         &dim_percent_stores_l1hit,
1567         &dim_percent_stores_l1miss,
1568         &dim_dram_lcl,
1569         &dim_dram_rmt,
1570         &dim_pid,
1571         &dim_tid,
1572         &dim_symbol,
1573         &dim_dso,
1574         &dim_node,
1575         &dim_mean_rmt,
1576         &dim_mean_lcl,
1577         &dim_mean_load,
1578         &dim_cpucnt,
1579         &dim_srcline,
1580         &dim_dcacheline_idx,
1581         &dim_dcacheline_num,
1582         &dim_dcacheline_num_empty,
1583         NULL,
1584 };
1585
1586 static void fmt_free(struct perf_hpp_fmt *fmt)
1587 {
1588         struct c2c_fmt *c2c_fmt;
1589
1590         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1591         free(c2c_fmt);
1592 }
1593
1594 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1595 {
1596         struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1597         struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1598
1599         return c2c_a->dim == c2c_b->dim;
1600 }
1601
1602 static struct c2c_dimension *get_dimension(const char *name)
1603 {
1604         unsigned int i;
1605
1606         for (i = 0; dimensions[i]; i++) {
1607                 struct c2c_dimension *dim = dimensions[i];
1608
1609                 if (!strcmp(dim->name, name))
1610                         return dim;
1611         };
1612
1613         return NULL;
1614 }
1615
1616 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1617                         struct hist_entry *he)
1618 {
1619         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1620         struct c2c_dimension *dim = c2c_fmt->dim;
1621         size_t len = fmt->user_len;
1622
1623         if (!len) {
1624                 len = hists__col_len(he->hists, dim->se->se_width_idx);
1625
1626                 if (dim == &dim_symbol || dim == &dim_srcline)
1627                         len = symbol_width(he->hists, dim->se);
1628         }
1629
1630         return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1631 }
1632
1633 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1634                           struct hist_entry *a, struct hist_entry *b)
1635 {
1636         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1637         struct c2c_dimension *dim = c2c_fmt->dim;
1638
1639         return dim->se->se_cmp(a, b);
1640 }
1641
1642 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1643                                struct hist_entry *a, struct hist_entry *b)
1644 {
1645         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1646         struct c2c_dimension *dim = c2c_fmt->dim;
1647         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1648
1649         collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1650         return collapse_fn(a, b);
1651 }
1652
1653 static struct c2c_fmt *get_format(const char *name)
1654 {
1655         struct c2c_dimension *dim = get_dimension(name);
1656         struct c2c_fmt *c2c_fmt;
1657         struct perf_hpp_fmt *fmt;
1658
1659         if (!dim)
1660                 return NULL;
1661
1662         c2c_fmt = zalloc(sizeof(*c2c_fmt));
1663         if (!c2c_fmt)
1664                 return NULL;
1665
1666         c2c_fmt->dim = dim;
1667
1668         fmt = &c2c_fmt->fmt;
1669         INIT_LIST_HEAD(&fmt->list);
1670         INIT_LIST_HEAD(&fmt->sort_list);
1671
1672         fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
1673         fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
1674         fmt->color      = dim->se ? NULL         : dim->color;
1675         fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
1676         fmt->header     = c2c_header;
1677         fmt->width      = c2c_width;
1678         fmt->collapse   = dim->se ? c2c_se_collapse : dim->cmp;
1679         fmt->equal      = fmt_equal;
1680         fmt->free       = fmt_free;
1681
1682         return c2c_fmt;
1683 }
1684
1685 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1686 {
1687         struct c2c_fmt *c2c_fmt = get_format(name);
1688
1689         if (!c2c_fmt) {
1690                 reset_dimensions();
1691                 return output_field_add(hpp_list, name);
1692         }
1693
1694         perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1695         return 0;
1696 }
1697
1698 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1699 {
1700         struct c2c_fmt *c2c_fmt = get_format(name);
1701         struct c2c_dimension *dim;
1702
1703         if (!c2c_fmt) {
1704                 reset_dimensions();
1705                 return sort_dimension__add(hpp_list, name, NULL, 0);
1706         }
1707
1708         dim = c2c_fmt->dim;
1709         if (dim == &dim_dso)
1710                 hpp_list->dso = 1;
1711
1712         perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1713         return 0;
1714 }
1715
1716 #define PARSE_LIST(_list, _fn)                                                  \
1717         do {                                                                    \
1718                 char *tmp, *tok;                                                \
1719                 ret = 0;                                                        \
1720                                                                                 \
1721                 if (!_list)                                                     \
1722                         break;                                                  \
1723                                                                                 \
1724                 for (tok = strtok_r((char *)_list, ", ", &tmp);                 \
1725                                 tok; tok = strtok_r(NULL, ", ", &tmp)) {        \
1726                         ret = _fn(hpp_list, tok);                               \
1727                         if (ret == -EINVAL) {                                   \
1728                                 pr_err("Invalid --fields key: `%s'", tok);      \
1729                                 break;                                          \
1730                         } else if (ret == -ESRCH) {                             \
1731                                 pr_err("Unknown --fields key: `%s'", tok);      \
1732                                 break;                                          \
1733                         }                                                       \
1734                 }                                                               \
1735         } while (0)
1736
1737 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1738                            const char *output_,
1739                            const char *sort_)
1740 {
1741         char *output = output_ ? strdup(output_) : NULL;
1742         char *sort   = sort_   ? strdup(sort_) : NULL;
1743         int ret;
1744
1745         PARSE_LIST(output, c2c_hists__init_output);
1746         PARSE_LIST(sort,   c2c_hists__init_sort);
1747
1748         /* copy sort keys to output fields */
1749         perf_hpp__setup_output_field(hpp_list);
1750
1751         /*
1752          * We dont need other sorting keys other than those
1753          * we already specified. It also really slows down
1754          * the processing a lot with big number of output
1755          * fields, so switching this off for c2c.
1756          */
1757
1758 #if 0
1759         /* and then copy output fields to sort keys */
1760         perf_hpp__append_sort_keys(&hists->list);
1761 #endif
1762
1763         free(output);
1764         free(sort);
1765         return ret;
1766 }
1767
1768 static int c2c_hists__init(struct c2c_hists *hists,
1769                            const char *sort,
1770                            int nr_header_lines)
1771 {
1772         __hists__init(&hists->hists, &hists->list);
1773
1774         /*
1775          * Initialize only with sort fields, we need to resort
1776          * later anyway, and that's where we add output fields
1777          * as well.
1778          */
1779         perf_hpp_list__init(&hists->list);
1780
1781         /* Overload number of header lines.*/
1782         hists->list.nr_header_lines = nr_header_lines;
1783
1784         return hpp_list__parse(&hists->list, NULL, sort);
1785 }
1786
1787 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1788                              const char *output,
1789                              const char *sort)
1790 {
1791         perf_hpp__reset_output_field(&c2c_hists->list);
1792         return hpp_list__parse(&c2c_hists->list, output, sort);
1793 }
1794
1795 #define DISPLAY_LINE_LIMIT  0.0005
1796
1797 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
1798 {
1799         struct c2c_hist_entry *c2c_he;
1800         double ld_dist;
1801
1802         if (c2c.show_all)
1803                 return true;
1804
1805         c2c_he = container_of(he, struct c2c_hist_entry, he);
1806
1807 #define FILTER_HITM(__h)                                                \
1808         if (stats->__h) {                                               \
1809                 ld_dist = ((double)c2c_he->stats.__h / stats->__h);     \
1810                 if (ld_dist < DISPLAY_LINE_LIMIT)                       \
1811                         he->filtered = HIST_FILTER__C2C;                \
1812         } else {                                                        \
1813                 he->filtered = HIST_FILTER__C2C;                        \
1814         }
1815
1816         switch (c2c.display) {
1817         case DISPLAY_LCL:
1818                 FILTER_HITM(lcl_hitm);
1819                 break;
1820         case DISPLAY_RMT:
1821                 FILTER_HITM(rmt_hitm);
1822                 break;
1823         case DISPLAY_TOT:
1824                 FILTER_HITM(tot_hitm);
1825         default:
1826                 break;
1827         };
1828
1829 #undef FILTER_HITM
1830
1831         return he->filtered == 0;
1832 }
1833
1834 static inline int valid_hitm_or_store(struct hist_entry *he)
1835 {
1836         struct c2c_hist_entry *c2c_he;
1837         bool has_hitm;
1838
1839         c2c_he = container_of(he, struct c2c_hist_entry, he);
1840         has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
1841                    c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
1842                                                 c2c_he->stats.rmt_hitm;
1843         return has_hitm || c2c_he->stats.store;
1844 }
1845
1846 static void calc_width(struct hist_entry *he)
1847 {
1848         struct c2c_hists *c2c_hists;
1849
1850         c2c_hists = container_of(he->hists, struct c2c_hists, hists);
1851         hists__calc_col_len(&c2c_hists->hists, he);
1852 }
1853
1854 static int filter_cb(struct hist_entry *he)
1855 {
1856         if (c2c.show_src && !he->srcline)
1857                 he->srcline = hist_entry__get_srcline(he);
1858
1859         calc_width(he);
1860
1861         if (!valid_hitm_or_store(he))
1862                 he->filtered = HIST_FILTER__C2C;
1863
1864         return 0;
1865 }
1866
1867 static int resort_cl_cb(struct hist_entry *he)
1868 {
1869         struct c2c_hist_entry *c2c_he;
1870         struct c2c_hists *c2c_hists;
1871         bool display = he__display(he, &c2c.hitm_stats);
1872
1873         c2c_he = container_of(he, struct c2c_hist_entry, he);
1874         c2c_hists = c2c_he->hists;
1875
1876         calc_width(he);
1877
1878         if (display && c2c_hists) {
1879                 static unsigned int idx;
1880
1881                 c2c_he->cacheline_idx = idx++;
1882
1883                 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
1884
1885                 hists__collapse_resort(&c2c_hists->hists, NULL);
1886                 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
1887         }
1888
1889         return 0;
1890 }
1891
1892 static void setup_nodes_header(void)
1893 {
1894         dim_node.header = header_node[c2c.node_info];
1895 }
1896
1897 static int setup_nodes(struct perf_session *session)
1898 {
1899         struct numa_node *n;
1900         unsigned long **nodes;
1901         int node, cpu;
1902         int *cpu2node;
1903
1904         if (c2c.node_info > 2)
1905                 c2c.node_info = 2;
1906
1907         c2c.nodes_cnt = session->header.env.nr_numa_nodes;
1908         c2c.cpus_cnt  = session->header.env.nr_cpus_online;
1909
1910         n = session->header.env.numa_nodes;
1911         if (!n)
1912                 return -EINVAL;
1913
1914         nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
1915         if (!nodes)
1916                 return -ENOMEM;
1917
1918         c2c.nodes = nodes;
1919
1920         cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
1921         if (!cpu2node)
1922                 return -ENOMEM;
1923
1924         for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
1925                 cpu2node[cpu] = -1;
1926
1927         c2c.cpu2node = cpu2node;
1928
1929         for (node = 0; node < c2c.nodes_cnt; node++) {
1930                 struct cpu_map *map = n[node].map;
1931                 unsigned long *set;
1932
1933                 set = bitmap_alloc(c2c.cpus_cnt);
1934                 if (!set)
1935                         return -ENOMEM;
1936
1937                 for (cpu = 0; cpu < map->nr; cpu++) {
1938                         set_bit(map->map[cpu], set);
1939
1940                         if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
1941                                 return -EINVAL;
1942
1943                         cpu2node[map->map[cpu]] = node;
1944                 }
1945
1946                 nodes[node] = set;
1947         }
1948
1949         setup_nodes_header();
1950         return 0;
1951 }
1952
1953 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
1954
1955 static int resort_hitm_cb(struct hist_entry *he)
1956 {
1957         struct c2c_hist_entry *c2c_he;
1958         c2c_he = container_of(he, struct c2c_hist_entry, he);
1959
1960         if (HAS_HITMS(c2c_he)) {
1961                 c2c.shared_clines++;
1962                 c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
1963         }
1964
1965         return 0;
1966 }
1967
1968 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
1969 {
1970         struct rb_node *next = rb_first(&hists->entries);
1971         int ret = 0;
1972
1973         while (next) {
1974                 struct hist_entry *he;
1975
1976                 he = rb_entry(next, struct hist_entry, rb_node);
1977                 ret = cb(he);
1978                 if (ret)
1979                         break;
1980                 next = rb_next(&he->rb_node);
1981         }
1982
1983         return ret;
1984 }
1985
1986 static void print_c2c__display_stats(FILE *out)
1987 {
1988         int llc_misses;
1989         struct c2c_stats *stats = &c2c.hists.stats;
1990
1991         llc_misses = stats->lcl_dram +
1992                      stats->rmt_dram +
1993                      stats->rmt_hit +
1994                      stats->rmt_hitm;
1995
1996         fprintf(out, "=================================================\n");
1997         fprintf(out, "            Trace Event Information              \n");
1998         fprintf(out, "=================================================\n");
1999         fprintf(out, "  Total records                     : %10d\n", stats->nr_entries);
2000         fprintf(out, "  Locked Load/Store Operations      : %10d\n", stats->locks);
2001         fprintf(out, "  Load Operations                   : %10d\n", stats->load);
2002         fprintf(out, "  Loads - uncacheable               : %10d\n", stats->ld_uncache);
2003         fprintf(out, "  Loads - IO                        : %10d\n", stats->ld_io);
2004         fprintf(out, "  Loads - Miss                      : %10d\n", stats->ld_miss);
2005         fprintf(out, "  Loads - no mapping                : %10d\n", stats->ld_noadrs);
2006         fprintf(out, "  Load Fill Buffer Hit              : %10d\n", stats->ld_fbhit);
2007         fprintf(out, "  Load L1D hit                      : %10d\n", stats->ld_l1hit);
2008         fprintf(out, "  Load L2D hit                      : %10d\n", stats->ld_l2hit);
2009         fprintf(out, "  Load LLC hit                      : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2010         fprintf(out, "  Load Local HITM                   : %10d\n", stats->lcl_hitm);
2011         fprintf(out, "  Load Remote HITM                  : %10d\n", stats->rmt_hitm);
2012         fprintf(out, "  Load Remote HIT                   : %10d\n", stats->rmt_hit);
2013         fprintf(out, "  Load Local DRAM                   : %10d\n", stats->lcl_dram);
2014         fprintf(out, "  Load Remote DRAM                  : %10d\n", stats->rmt_dram);
2015         fprintf(out, "  Load MESI State Exclusive         : %10d\n", stats->ld_excl);
2016         fprintf(out, "  Load MESI State Shared            : %10d\n", stats->ld_shared);
2017         fprintf(out, "  Load LLC Misses                   : %10d\n", llc_misses);
2018         fprintf(out, "  LLC Misses to Local DRAM          : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2019         fprintf(out, "  LLC Misses to Remote DRAM         : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2020         fprintf(out, "  LLC Misses to Remote cache (HIT)  : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2021         fprintf(out, "  LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2022         fprintf(out, "  Store Operations                  : %10d\n", stats->store);
2023         fprintf(out, "  Store - uncacheable               : %10d\n", stats->st_uncache);
2024         fprintf(out, "  Store - no mapping                : %10d\n", stats->st_noadrs);
2025         fprintf(out, "  Store L1D Hit                     : %10d\n", stats->st_l1hit);
2026         fprintf(out, "  Store L1D Miss                    : %10d\n", stats->st_l1miss);
2027         fprintf(out, "  No Page Map Rejects               : %10d\n", stats->nomap);
2028         fprintf(out, "  Unable to parse data source       : %10d\n", stats->noparse);
2029 }
2030
2031 static void print_shared_cacheline_info(FILE *out)
2032 {
2033         struct c2c_stats *stats = &c2c.hitm_stats;
2034         int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2035
2036         fprintf(out, "=================================================\n");
2037         fprintf(out, "    Global Shared Cache Line Event Information   \n");
2038         fprintf(out, "=================================================\n");
2039         fprintf(out, "  Total Shared Cache Lines          : %10d\n", c2c.shared_clines);
2040         fprintf(out, "  Load HITs on shared lines         : %10d\n", stats->load);
2041         fprintf(out, "  Fill Buffer Hits on shared lines  : %10d\n", stats->ld_fbhit);
2042         fprintf(out, "  L1D hits on shared lines          : %10d\n", stats->ld_l1hit);
2043         fprintf(out, "  L2D hits on shared lines          : %10d\n", stats->ld_l2hit);
2044         fprintf(out, "  LLC hits on shared lines          : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2045         fprintf(out, "  Locked Access on shared lines     : %10d\n", stats->locks);
2046         fprintf(out, "  Store HITs on shared lines        : %10d\n", stats->store);
2047         fprintf(out, "  Store L1D hits on shared lines    : %10d\n", stats->st_l1hit);
2048         fprintf(out, "  Total Merged records              : %10d\n", hitm_cnt + stats->store);
2049 }
2050
2051 static void print_cacheline(struct c2c_hists *c2c_hists,
2052                             struct hist_entry *he_cl,
2053                             struct perf_hpp_list *hpp_list,
2054                             FILE *out)
2055 {
2056         char bf[1000];
2057         struct perf_hpp hpp = {
2058                 .buf            = bf,
2059                 .size           = 1000,
2060         };
2061         static bool once;
2062
2063         if (!once) {
2064                 hists__fprintf_headers(&c2c_hists->hists, out);
2065                 once = true;
2066         } else {
2067                 fprintf(out, "\n");
2068         }
2069
2070         fprintf(out, "  -------------------------------------------------------------\n");
2071         __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2072         fprintf(out, "%s\n", bf);
2073         fprintf(out, "  -------------------------------------------------------------\n");
2074
2075         hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
2076 }
2077
2078 static void print_pareto(FILE *out)
2079 {
2080         struct perf_hpp_list hpp_list;
2081         struct rb_node *nd;
2082         int ret;
2083
2084         perf_hpp_list__init(&hpp_list);
2085         ret = hpp_list__parse(&hpp_list,
2086                                 "cl_num,"
2087                                 "cl_rmt_hitm,"
2088                                 "cl_lcl_hitm,"
2089                                 "cl_stores_l1hit,"
2090                                 "cl_stores_l1miss,"
2091                                 "dcacheline",
2092                                 NULL);
2093
2094         if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2095                 return;
2096
2097         nd = rb_first(&c2c.hists.hists.entries);
2098
2099         for (; nd; nd = rb_next(nd)) {
2100                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2101                 struct c2c_hist_entry *c2c_he;
2102
2103                 if (he->filtered)
2104                         continue;
2105
2106                 c2c_he = container_of(he, struct c2c_hist_entry, he);
2107                 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2108         }
2109 }
2110
2111 static void print_c2c_info(FILE *out, struct perf_session *session)
2112 {
2113         struct perf_evlist *evlist = session->evlist;
2114         struct perf_evsel *evsel;
2115         bool first = true;
2116
2117         fprintf(out, "=================================================\n");
2118         fprintf(out, "                 c2c details                     \n");
2119         fprintf(out, "=================================================\n");
2120
2121         evlist__for_each_entry(evlist, evsel) {
2122                 fprintf(out, "%-36s: %s\n", first ? "  Events" : "",
2123                         perf_evsel__name(evsel));
2124                 first = false;
2125         }
2126         fprintf(out, "  Cachelines sort on                : %s HITMs\n",
2127                 display_str[c2c.display]);
2128         fprintf(out, "  Cacheline data grouping           : %s\n", c2c.cl_sort);
2129 }
2130
2131 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2132 {
2133         setup_pager();
2134
2135         print_c2c__display_stats(out);
2136         fprintf(out, "\n");
2137         print_shared_cacheline_info(out);
2138         fprintf(out, "\n");
2139         print_c2c_info(out, session);
2140
2141         if (c2c.stats_only)
2142                 return;
2143
2144         fprintf(out, "\n");
2145         fprintf(out, "=================================================\n");
2146         fprintf(out, "           Shared Data Cache Line Table          \n");
2147         fprintf(out, "=================================================\n");
2148         fprintf(out, "#\n");
2149
2150         hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
2151
2152         fprintf(out, "\n");
2153         fprintf(out, "=================================================\n");
2154         fprintf(out, "      Shared Cache Line Distribution Pareto      \n");
2155         fprintf(out, "=================================================\n");
2156         fprintf(out, "#\n");
2157
2158         print_pareto(out);
2159 }
2160
2161 #ifdef HAVE_SLANG_SUPPORT
2162 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2163 {
2164         u64 nr_entries = 0;
2165         struct rb_node *nd = rb_first(&hb->hists->entries);
2166
2167         while (nd) {
2168                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2169
2170                 if (!he->filtered)
2171                         nr_entries++;
2172
2173                 nd = rb_next(nd);
2174         }
2175
2176         hb->nr_non_filtered_entries = nr_entries;
2177 }
2178
2179 struct c2c_cacheline_browser {
2180         struct hist_browser      hb;
2181         struct hist_entry       *he;
2182 };
2183
2184 static int
2185 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2186                                   char *bf, size_t size)
2187 {
2188         struct c2c_cacheline_browser *cl_browser;
2189         struct hist_entry *he;
2190         uint64_t addr = 0;
2191
2192         cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2193         he = cl_browser->he;
2194
2195         if (he->mem_info)
2196                 addr = cl_address(he->mem_info->daddr.addr);
2197
2198         scnprintf(bf, size, "Cacheline 0x%lx", addr);
2199         return 0;
2200 }
2201
2202 static struct c2c_cacheline_browser*
2203 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2204 {
2205         struct c2c_cacheline_browser *browser;
2206
2207         browser = zalloc(sizeof(*browser));
2208         if (browser) {
2209                 hist_browser__init(&browser->hb, hists);
2210                 browser->hb.c2c_filter  = true;
2211                 browser->hb.title       = perf_c2c_cacheline_browser__title;
2212                 browser->he             = he;
2213         }
2214
2215         return browser;
2216 }
2217
2218 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2219 {
2220         struct c2c_hist_entry *c2c_he;
2221         struct c2c_hists *c2c_hists;
2222         struct c2c_cacheline_browser *cl_browser;
2223         struct hist_browser *browser;
2224         int key = -1;
2225         const char help[] =
2226         " ENTER         Togle callchains (if present) \n"
2227         " n             Togle Node details info \n"
2228         " s             Togle full lenght of symbol and source line columns \n"
2229         " q             Return back to cacheline list \n";
2230
2231         /* Display compact version first. */
2232         c2c.symbol_full = false;
2233
2234         c2c_he = container_of(he, struct c2c_hist_entry, he);
2235         c2c_hists = c2c_he->hists;
2236
2237         cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2238         if (cl_browser == NULL)
2239                 return -1;
2240
2241         browser = &cl_browser->hb;
2242
2243         /* reset abort key so that it can get Ctrl-C as a key */
2244         SLang_reset_tty();
2245         SLang_init_tty(0, 0, 0);
2246
2247         c2c_browser__update_nr_entries(browser);
2248
2249         while (1) {
2250                 key = hist_browser__run(browser, "? - help");
2251
2252                 switch (key) {
2253                 case 's':
2254                         c2c.symbol_full = !c2c.symbol_full;
2255                         break;
2256                 case 'n':
2257                         c2c.node_info = (c2c.node_info + 1) % 3;
2258                         setup_nodes_header();
2259                         break;
2260                 case 'q':
2261                         goto out;
2262                 case '?':
2263                         ui_browser__help_window(&browser->b, help);
2264                         break;
2265                 default:
2266                         break;
2267                 }
2268         }
2269
2270 out:
2271         free(cl_browser);
2272         return 0;
2273 }
2274
2275 static int perf_c2c_browser__title(struct hist_browser *browser,
2276                                    char *bf, size_t size)
2277 {
2278         scnprintf(bf, size,
2279                   "Shared Data Cache Line Table     "
2280                   "(%lu entries, sorted on %s HITMs)",
2281                   browser->nr_non_filtered_entries,
2282                   display_str[c2c.display]);
2283         return 0;
2284 }
2285
2286 static struct hist_browser*
2287 perf_c2c_browser__new(struct hists *hists)
2288 {
2289         struct hist_browser *browser = hist_browser__new(hists);
2290
2291         if (browser) {
2292                 browser->title = perf_c2c_browser__title;
2293                 browser->c2c_filter = true;
2294         }
2295
2296         return browser;
2297 }
2298
2299 static int perf_c2c__hists_browse(struct hists *hists)
2300 {
2301         struct hist_browser *browser;
2302         int key = -1;
2303         const char help[] =
2304         " d             Display cacheline details \n"
2305         " ENTER         Togle callchains (if present) \n"
2306         " q             Quit \n";
2307
2308         browser = perf_c2c_browser__new(hists);
2309         if (browser == NULL)
2310                 return -1;
2311
2312         /* reset abort key so that it can get Ctrl-C as a key */
2313         SLang_reset_tty();
2314         SLang_init_tty(0, 0, 0);
2315
2316         c2c_browser__update_nr_entries(browser);
2317
2318         while (1) {
2319                 key = hist_browser__run(browser, "? - help");
2320
2321                 switch (key) {
2322                 case 'q':
2323                         goto out;
2324                 case 'd':
2325                         perf_c2c__browse_cacheline(browser->he_selection);
2326                         break;
2327                 case '?':
2328                         ui_browser__help_window(&browser->b, help);
2329                         break;
2330                 default:
2331                         break;
2332                 }
2333         }
2334
2335 out:
2336         hist_browser__delete(browser);
2337         return 0;
2338 }
2339
2340 static void perf_c2c_display(struct perf_session *session)
2341 {
2342         if (use_browser == 0)
2343                 perf_c2c__hists_fprintf(stdout, session);
2344         else
2345                 perf_c2c__hists_browse(&c2c.hists.hists);
2346 }
2347 #else
2348 static void perf_c2c_display(struct perf_session *session)
2349 {
2350         use_browser = 0;
2351         perf_c2c__hists_fprintf(stdout, session);
2352 }
2353 #endif /* HAVE_SLANG_SUPPORT */
2354
2355 static void ui_quirks(void)
2356 {
2357         if (!c2c.use_stdio) {
2358                 dim_offset.width  = 5;
2359                 dim_offset.header = header_offset_tui;
2360         }
2361
2362         dim_percent_hitm.header = percent_hitm_header[c2c.display];
2363 }
2364
2365 #define CALLCHAIN_DEFAULT_OPT  "graph,0.5,caller,function,percent"
2366
2367 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2368                                 CALLCHAIN_REPORT_HELP
2369                                 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2370
2371 static int
2372 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2373 {
2374         struct callchain_param *callchain = opt->value;
2375
2376         callchain->enabled = !unset;
2377         /*
2378          * --no-call-graph
2379          */
2380         if (unset) {
2381                 symbol_conf.use_callchain = false;
2382                 callchain->mode = CHAIN_NONE;
2383                 return 0;
2384         }
2385
2386         return parse_callchain_report_opt(arg);
2387 }
2388
2389 static int setup_callchain(struct perf_evlist *evlist)
2390 {
2391         u64 sample_type = perf_evlist__combined_sample_type(evlist);
2392         enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2393
2394         if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2395             (sample_type & PERF_SAMPLE_STACK_USER))
2396                 mode = CALLCHAIN_DWARF;
2397         else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2398                 mode = CALLCHAIN_LBR;
2399         else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2400                 mode = CALLCHAIN_FP;
2401
2402         if (!callchain_param.enabled &&
2403             callchain_param.mode != CHAIN_NONE &&
2404             mode != CALLCHAIN_NONE) {
2405                 symbol_conf.use_callchain = true;
2406                 if (callchain_register_param(&callchain_param) < 0) {
2407                         ui__error("Can't register callchain params.\n");
2408                         return -EINVAL;
2409                 }
2410         }
2411
2412         callchain_param.record_mode = mode;
2413         callchain_param.min_percent = 0;
2414         return 0;
2415 }
2416
2417 static int setup_display(const char *str)
2418 {
2419         const char *display = str ?: "tot";
2420
2421         if (!strcmp(display, "tot"))
2422                 c2c.display = DISPLAY_TOT;
2423         else if (!strcmp(display, "rmt"))
2424                 c2c.display = DISPLAY_RMT;
2425         else if (!strcmp(display, "lcl"))
2426                 c2c.display = DISPLAY_LCL;
2427         else {
2428                 pr_err("failed: unknown display type: %s\n", str);
2429                 return -1;
2430         }
2431
2432         return 0;
2433 }
2434
2435 #define for_each_token(__tok, __buf, __sep, __tmp)              \
2436         for (__tok = strtok_r(__buf, __sep, &__tmp); __tok;     \
2437              __tok = strtok_r(NULL,  __sep, &__tmp))
2438
2439 static int build_cl_output(char *cl_sort, bool no_source)
2440 {
2441         char *tok, *tmp, *buf = strdup(cl_sort);
2442         bool add_pid   = false;
2443         bool add_tid   = false;
2444         bool add_iaddr = false;
2445         bool add_sym   = false;
2446         bool add_dso   = false;
2447         bool add_src   = false;
2448
2449         if (!buf)
2450                 return -ENOMEM;
2451
2452         for_each_token(tok, buf, ",", tmp) {
2453                 if (!strcmp(tok, "tid")) {
2454                         add_tid = true;
2455                 } else if (!strcmp(tok, "pid")) {
2456                         add_pid = true;
2457                 } else if (!strcmp(tok, "iaddr")) {
2458                         add_iaddr = true;
2459                         add_sym   = true;
2460                         add_dso   = true;
2461                         add_src   = no_source ? false : true;
2462                 } else if (!strcmp(tok, "dso")) {
2463                         add_dso = true;
2464                 } else if (strcmp(tok, "offset")) {
2465                         pr_err("unrecognized sort token: %s\n", tok);
2466                         return -EINVAL;
2467                 }
2468         }
2469
2470         if (asprintf(&c2c.cl_output,
2471                 "%s%s%s%s%s%s%s%s%s%s",
2472                 c2c.use_stdio ? "cl_num_empty," : "",
2473                 "percent_rmt_hitm,"
2474                 "percent_lcl_hitm,"
2475                 "percent_stores_l1hit,"
2476                 "percent_stores_l1miss,"
2477                 "offset,",
2478                 add_pid   ? "pid," : "",
2479                 add_tid   ? "tid," : "",
2480                 add_iaddr ? "iaddr," : "",
2481                 "mean_rmt,"
2482                 "mean_lcl,"
2483                 "mean_load,"
2484                 "tot_recs,"
2485                 "cpucnt,",
2486                 add_sym ? "symbol," : "",
2487                 add_dso ? "dso," : "",
2488                 add_src ? "cl_srcline," : "",
2489                 "node") < 0)
2490                 return -ENOMEM;
2491
2492         c2c.show_src = add_src;
2493
2494         free(buf);
2495         return 0;
2496 }
2497
2498 static int setup_coalesce(const char *coalesce, bool no_source)
2499 {
2500         const char *c = coalesce ?: coalesce_default;
2501
2502         if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2503                 return -ENOMEM;
2504
2505         if (build_cl_output(c2c.cl_sort, no_source))
2506                 return -1;
2507
2508         if (asprintf(&c2c.cl_resort, "offset,%s",
2509                      c2c.display == DISPLAY_TOT ?
2510                      "tot_hitm" :
2511                      c2c.display == DISPLAY_RMT ?
2512                      "rmt_hitm,lcl_hitm" :
2513                      "lcl_hitm,rmt_hitm") < 0)
2514                 return -ENOMEM;
2515
2516         pr_debug("coalesce sort   fields: %s\n", c2c.cl_sort);
2517         pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2518         pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2519         return 0;
2520 }
2521
2522 static int perf_c2c__report(int argc, const char **argv)
2523 {
2524         struct perf_session *session;
2525         struct ui_progress prog;
2526         struct perf_data_file file = {
2527                 .mode = PERF_DATA_MODE_READ,
2528         };
2529         char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
2530         const char *display = NULL;
2531         const char *coalesce = NULL;
2532         bool no_source = false;
2533         const struct option options[] = {
2534         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2535                    "file", "vmlinux pathname"),
2536         OPT_STRING('i', "input", &input_name, "file",
2537                    "the input file to process"),
2538         OPT_INCR('N', "node-info", &c2c.node_info,
2539                  "show extra node info in report (repeat for more info)"),
2540 #ifdef HAVE_SLANG_SUPPORT
2541         OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
2542 #endif
2543         OPT_BOOLEAN(0, "stats", &c2c.stats_only,
2544                     "Display only statistic tables (implies --stdio)"),
2545         OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
2546                     "Display full length of symbols"),
2547         OPT_BOOLEAN(0, "no-source", &no_source,
2548                     "Do not display Source Line column"),
2549         OPT_BOOLEAN(0, "show-all", &c2c.show_all,
2550                     "Show all captured HITM lines."),
2551         OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
2552                              "print_type,threshold[,print_limit],order,sort_key[,branch],value",
2553                              callchain_help, &parse_callchain_opt,
2554                              callchain_default_opt),
2555         OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
2556         OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
2557                    "coalesce fields: pid,tid,iaddr,dso"),
2558         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2559         OPT_PARENT(c2c_options),
2560         OPT_END()
2561         };
2562         int err = 0;
2563
2564         argc = parse_options(argc, argv, options, report_c2c_usage,
2565                              PARSE_OPT_STOP_AT_NON_OPTION);
2566         if (argc)
2567                 usage_with_options(report_c2c_usage, options);
2568
2569         if (c2c.stats_only)
2570                 c2c.use_stdio = true;
2571
2572         if (!input_name || !strlen(input_name))
2573                 input_name = "perf.data";
2574
2575         file.path  = input_name;
2576         file.force = symbol_conf.force;
2577
2578         err = setup_display(display);
2579         if (err)
2580                 goto out;
2581
2582         err = setup_coalesce(coalesce, no_source);
2583         if (err) {
2584                 pr_debug("Failed to initialize hists\n");
2585                 goto out;
2586         }
2587
2588         err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
2589         if (err) {
2590                 pr_debug("Failed to initialize hists\n");
2591                 goto out;
2592         }
2593
2594         session = perf_session__new(&file, 0, &c2c.tool);
2595         if (session == NULL) {
2596                 pr_debug("No memory for session\n");
2597                 goto out;
2598         }
2599
2600         err = setup_nodes(session);
2601         if (err) {
2602                 pr_err("Failed setup nodes\n");
2603                 goto out;
2604         }
2605
2606         err = setup_callchain(session->evlist);
2607         if (err)
2608                 goto out_session;
2609
2610         if (symbol__init(&session->header.env) < 0)
2611                 goto out_session;
2612
2613         /* No pipe support at the moment. */
2614         if (perf_data_file__is_pipe(session->file)) {
2615                 pr_debug("No pipe support at the moment.\n");
2616                 goto out_session;
2617         }
2618
2619         if (c2c.use_stdio)
2620                 use_browser = 0;
2621         else
2622                 use_browser = 1;
2623
2624         setup_browser(false);
2625
2626         err = perf_session__process_events(session);
2627         if (err) {
2628                 pr_err("failed to process sample\n");
2629                 goto out_session;
2630         }
2631
2632         c2c_hists__reinit(&c2c.hists,
2633                         "cl_idx,"
2634                         "dcacheline,"
2635                         "tot_recs,"
2636                         "percent_hitm,"
2637                         "tot_hitm,lcl_hitm,rmt_hitm,"
2638                         "stores,stores_l1hit,stores_l1miss,"
2639                         "dram_lcl,dram_rmt,"
2640                         "ld_llcmiss,"
2641                         "tot_loads,"
2642                         "ld_fbhit,ld_l1hit,ld_l2hit,"
2643                         "ld_lclhit,ld_rmthit",
2644                         c2c.display == DISPLAY_TOT ? "tot_hitm" :
2645                         c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
2646                         );
2647
2648         ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
2649
2650         hists__collapse_resort(&c2c.hists.hists, NULL);
2651         hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
2652         hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
2653
2654         ui_progress__finish();
2655
2656         ui_quirks();
2657
2658         perf_c2c_display(session);
2659
2660 out_session:
2661         perf_session__delete(session);
2662 out:
2663         return err;
2664 }
2665
2666 static int parse_record_events(const struct option *opt,
2667                                const char *str, int unset __maybe_unused)
2668 {
2669         bool *event_set = (bool *) opt->value;
2670
2671         *event_set = true;
2672         return perf_mem_events__parse(str);
2673 }
2674
2675
2676 static const char * const __usage_record[] = {
2677         "perf c2c record [<options>] [<command>]",
2678         "perf c2c record [<options>] -- <command> [<options>]",
2679         NULL
2680 };
2681
2682 static const char * const *record_mem_usage = __usage_record;
2683
2684 static int perf_c2c__record(int argc, const char **argv)
2685 {
2686         int rec_argc, i = 0, j;
2687         const char **rec_argv;
2688         int ret;
2689         bool all_user = false, all_kernel = false;
2690         bool event_set = false;
2691         struct option options[] = {
2692         OPT_CALLBACK('e', "event", &event_set, "event",
2693                      "event selector. Use 'perf mem record -e list' to list available events",
2694                      parse_record_events),
2695         OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
2696         OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
2697         OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
2698         OPT_PARENT(c2c_options),
2699         OPT_END()
2700         };
2701
2702         if (perf_mem_events__init()) {
2703                 pr_err("failed: memory events not supported\n");
2704                 return -1;
2705         }
2706
2707         argc = parse_options(argc, argv, options, record_mem_usage,
2708                              PARSE_OPT_KEEP_UNKNOWN);
2709
2710         rec_argc = argc + 10; /* max number of arguments */
2711         rec_argv = calloc(rec_argc + 1, sizeof(char *));
2712         if (!rec_argv)
2713                 return -1;
2714
2715         rec_argv[i++] = "record";
2716
2717         if (!event_set) {
2718                 perf_mem_events[PERF_MEM_EVENTS__LOAD].record  = true;
2719                 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
2720         }
2721
2722         if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
2723                 rec_argv[i++] = "-W";
2724
2725         rec_argv[i++] = "-d";
2726         rec_argv[i++] = "--sample-cpu";
2727
2728         for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
2729                 if (!perf_mem_events[j].record)
2730                         continue;
2731
2732                 if (!perf_mem_events[j].supported) {
2733                         pr_err("failed: event '%s' not supported\n",
2734                                perf_mem_events[j].name);
2735                         return -1;
2736                 }
2737
2738                 rec_argv[i++] = "-e";
2739                 rec_argv[i++] = perf_mem_events__name(j);
2740         };
2741
2742         if (all_user)
2743                 rec_argv[i++] = "--all-user";
2744
2745         if (all_kernel)
2746                 rec_argv[i++] = "--all-kernel";
2747
2748         for (j = 0; j < argc; j++, i++)
2749                 rec_argv[i] = argv[j];
2750
2751         if (verbose > 0) {
2752                 pr_debug("calling: ");
2753
2754                 j = 0;
2755
2756                 while (rec_argv[j]) {
2757                         pr_debug("%s ", rec_argv[j]);
2758                         j++;
2759                 }
2760                 pr_debug("\n");
2761         }
2762
2763         ret = cmd_record(i, rec_argv);
2764         free(rec_argv);
2765         return ret;
2766 }
2767
2768 int cmd_c2c(int argc, const char **argv)
2769 {
2770         argc = parse_options(argc, argv, c2c_options, c2c_usage,
2771                              PARSE_OPT_STOP_AT_NON_OPTION);
2772
2773         if (!argc)
2774                 usage_with_options(c2c_usage, c2c_options);
2775
2776         if (!strncmp(argv[0], "rec", 3)) {
2777                 return perf_c2c__record(argc, argv);
2778         } else if (!strncmp(argv[0], "rep", 3)) {
2779                 return perf_c2c__report(argc, argv);
2780         } else {
2781                 usage_with_options(c2c_usage, c2c_options);
2782         }
2783
2784         return 0;
2785 }