tools/perf/builtin-c2c.c

   1 #include <linux/compiler.h>
   2 #include <linux/kernel.h>
   3 #include <linux/stringify.h>
   4 #include <asm/bug.h>
   5 #include "util.h"
   6 #include "debug.h"
   7 #include "builtin.h"
   8 #include <subcmd/parse-options.h>
   9 #include "mem-events.h"
  10 #include "session.h"
  11 #include "hist.h"
  12 #include "sort.h"
  13 #include "tool.h"
  14 #include "data.h"
  15 #include "sort.h"
  16 #include <asm/bug.h>
  17
  18 struct c2c_hists {
  19         struct hists            hists;
  20         struct perf_hpp_list    list;
  21         struct c2c_stats        stats;
  22 };
  23
  24 struct compute_stats {
  25         struct stats             lcl_hitm;
  26         struct stats             rmt_hitm;
  27         struct stats             load;
  28 };
  29
  30 struct c2c_hist_entry {
  31         struct c2c_hists        *hists;
  32         struct c2c_stats         stats;
  33         unsigned long           *cpuset;
  34         struct c2c_stats        *node_stats;
  35
  36         struct compute_stats     cstats;
  37
  38         /*
  39          * must be at the end,
  40          * because of its callchain dynamic entry
  41          */
  42         struct hist_entry       he;
  43 };
  44
  45 struct perf_c2c {
  46         struct perf_tool        tool;
  47         struct c2c_hists        hists;
  48
  49         unsigned long           **nodes;
  50         int                      nodes_cnt;
  51         int                      cpus_cnt;
  52         int                     *cpu2node;
  53         int                      node_info;
  54
  55         bool                     show_src;
  56 };
  57
  58 static struct perf_c2c c2c;
  59
  60 static void *c2c_he_zalloc(size_t size)
  61 {
  62         struct c2c_hist_entry *c2c_he;
  63
  64         c2c_he = zalloc(size + sizeof(*c2c_he));
  65         if (!c2c_he)
  66                 return NULL;
  67
  68         c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
  69         if (!c2c_he->cpuset)
  70                 return NULL;
  71
  72         c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
  73         if (!c2c_he->node_stats)
  74                 return NULL;
  75
  76         init_stats(&c2c_he->cstats.lcl_hitm);
  77         init_stats(&c2c_he->cstats.rmt_hitm);
  78         init_stats(&c2c_he->cstats.load);
  79
  80         return &c2c_he->he;
  81 }
  82
  83 static void c2c_he_free(void *he)
  84 {
  85         struct c2c_hist_entry *c2c_he;
  86
  87         c2c_he = container_of(he, struct c2c_hist_entry, he);
  88         if (c2c_he->hists) {
  89                 hists__delete_entries(&c2c_he->hists->hists);
  90                 free(c2c_he->hists);
  91         }
  92
  93         free(c2c_he->cpuset);
  94         free(c2c_he->node_stats);
  95         free(c2c_he);
  96 }
  97
  98 static struct hist_entry_ops c2c_entry_ops = {
  99         .new    = c2c_he_zalloc,
 100         .free   = c2c_he_free,
 101 };
 102
 103 static int c2c_hists__init(struct c2c_hists *hists,
 104                            const char *sort,
 105                            int nr_header_lines);
 106
 107 static struct c2c_hists*
 108 he__get_c2c_hists(struct hist_entry *he,
 109                   const char *sort,
 110                   int nr_header_lines)
 111 {
 112         struct c2c_hist_entry *c2c_he;
 113         struct c2c_hists *hists;
 114         int ret;
 115
 116         c2c_he = container_of(he, struct c2c_hist_entry, he);
 117         if (c2c_he->hists)
 118                 return c2c_he->hists;
 119
 120         hists = c2c_he->hists = zalloc(sizeof(*hists));
 121         if (!hists)
 122                 return NULL;
 123
 124         ret = c2c_hists__init(hists, sort, nr_header_lines);
 125         if (ret) {
 126                 free(hists);
 127                 return NULL;
 128         }
 129
 130         return hists;
 131 }
 132
 133 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
 134                             struct perf_sample *sample)
 135 {
 136         if (WARN_ONCE(sample->cpu == (unsigned int) -1,
 137                       "WARNING: no sample cpu value"))
 138                 return;
 139
 140         set_bit(sample->cpu, c2c_he->cpuset);
 141 }
 142
 143 static void compute_stats(struct c2c_hist_entry *c2c_he,
 144                           struct c2c_stats *stats,
 145                           u64 weight)
 146 {
 147         struct compute_stats *cstats = &c2c_he->cstats;
 148
 149         if (stats->rmt_hitm)
 150                 update_stats(&cstats->rmt_hitm, weight);
 151         else if (stats->lcl_hitm)
 152                 update_stats(&cstats->lcl_hitm, weight);
 153         else if (stats->load)
 154                 update_stats(&cstats->load, weight);
 155 }
 156
 157 static int process_sample_event(struct perf_tool *tool __maybe_unused,
 158                                 union perf_event *event,
 159                                 struct perf_sample *sample,
 160                                 struct perf_evsel *evsel __maybe_unused,
 161                                 struct machine *machine)
 162 {
 163         struct c2c_hists *c2c_hists = &c2c.hists;
 164         struct c2c_hist_entry *c2c_he;
 165         struct c2c_stats stats = { .nr_entries = 0, };
 166         struct hist_entry *he;
 167         struct addr_location al;
 168         struct mem_info *mi, *mi_dup;
 169         int ret;
 170
 171         if (machine__resolve(machine, &al, sample) < 0) {
 172                 pr_debug("problem processing %d event, skipping it.\n",
 173                          event->header.type);
 174                 return -1;
 175         }
 176
 177         mi = sample__resolve_mem(sample, &al);
 178         if (mi == NULL)
 179                 return -ENOMEM;
 180
 181         mi_dup = memdup(mi, sizeof(*mi));
 182         if (!mi_dup)
 183                 goto free_mi;
 184
 185         c2c_decode_stats(&stats, mi);
 186
 187         he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 188                                   &al, NULL, NULL, mi,
 189                                   sample, true);
 190         if (he == NULL)
 191                 goto free_mi_dup;
 192
 193         c2c_he = container_of(he, struct c2c_hist_entry, he);
 194         c2c_add_stats(&c2c_he->stats, &stats);
 195         c2c_add_stats(&c2c_hists->stats, &stats);
 196
 197         c2c_he__set_cpu(c2c_he, sample);
 198
 199         hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 200         ret = hist_entry__append_callchain(he, sample);
 201
 202         if (!ret) {
 203                 /*
 204                  * There's already been warning about missing
 205                  * sample's cpu value. Let's account all to
 206                  * node 0 in this case, without any further
 207                  * warning.
 208                  *
 209                  * Doing node stats only for single callchain data.
 210                  */
 211                 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
 212                 int node = c2c.cpu2node[cpu];
 213
 214                 mi = mi_dup;
 215
 216                 mi_dup = memdup(mi, sizeof(*mi));
 217                 if (!mi_dup)
 218                         goto free_mi;
 219
 220                 c2c_hists = he__get_c2c_hists(he, "offset", 2);
 221                 if (!c2c_hists)
 222                         goto free_mi_dup;
 223
 224                 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 225                                           &al, NULL, NULL, mi,
 226                                           sample, true);
 227                 if (he == NULL)
 228                         goto free_mi_dup;
 229
 230                 c2c_he = container_of(he, struct c2c_hist_entry, he);
 231                 c2c_add_stats(&c2c_he->stats, &stats);
 232                 c2c_add_stats(&c2c_hists->stats, &stats);
 233                 c2c_add_stats(&c2c_he->node_stats[node], &stats);
 234
 235                 compute_stats(c2c_he, &stats, sample->weight);
 236
 237                 c2c_he__set_cpu(c2c_he, sample);
 238
 239                 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 240                 ret = hist_entry__append_callchain(he, sample);
 241         }
 242
 243 out:
 244         addr_location__put(&al);
 245         return ret;
 246
 247 free_mi_dup:
 248         free(mi_dup);
 249 free_mi:
 250         free(mi);
 251         ret = -ENOMEM;
 252         goto out;
 253 }
 254
 255 static struct perf_c2c c2c = {
 256         .tool = {
 257                 .sample         = process_sample_event,
 258                 .mmap           = perf_event__process_mmap,
 259                 .mmap2          = perf_event__process_mmap2,
 260                 .comm           = perf_event__process_comm,
 261                 .exit           = perf_event__process_exit,
 262                 .fork           = perf_event__process_fork,
 263                 .lost           = perf_event__process_lost,
 264                 .ordered_events = true,
 265                 .ordering_requires_timestamps = true,
 266         },
 267 };
 268
 269 static const char * const c2c_usage[] = {
 270         "perf c2c {record|report}",
 271         NULL
 272 };
 273
 274 static const char * const __usage_report[] = {
 275         "perf c2c report",
 276         NULL
 277 };
 278
 279 static const char * const *report_c2c_usage = __usage_report;
 280
 281 #define C2C_HEADER_MAX 2
 282
 283 struct c2c_header {
 284         struct {
 285                 const char *text;
 286                 int         span;
 287         } line[C2C_HEADER_MAX];
 288 };
 289
 290 struct c2c_dimension {
 291         struct c2c_header        header;
 292         const char              *name;
 293         int                      width;
 294         struct sort_entry       *se;
 295
 296         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 297                        struct hist_entry *, struct hist_entry *);
 298         int   (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 299                        struct hist_entry *he);
 300         int   (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 301                        struct hist_entry *he);
 302 };
 303
 304 struct c2c_fmt {
 305         struct perf_hpp_fmt      fmt;
 306         struct c2c_dimension    *dim;
 307 };
 308
 309 static int c2c_width(struct perf_hpp_fmt *fmt,
 310                      struct perf_hpp *hpp __maybe_unused,
 311                      struct hists *hists __maybe_unused)
 312 {
 313         struct c2c_fmt *c2c_fmt;
 314         struct c2c_dimension *dim;
 315
 316         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 317         dim = c2c_fmt->dim;
 318
 319         return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
 320                          c2c_fmt->dim->width;
 321 }
 322
 323 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 324                       struct hists *hists, int line, int *span)
 325 {
 326         struct perf_hpp_list *hpp_list = hists->hpp_list;
 327         struct c2c_fmt *c2c_fmt;
 328         struct c2c_dimension *dim;
 329         const char *text = NULL;
 330         int width = c2c_width(fmt, hpp, hists);
 331
 332         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 333         dim = c2c_fmt->dim;
 334
 335         if (dim->se) {
 336                 text = dim->header.line[line].text;
 337                 /* Use the last line from sort_entry if not defined. */
 338                 if (!text && (line == hpp_list->nr_header_lines - 1))
 339                         text = dim->se->se_header;
 340         } else {
 341                 text = dim->header.line[line].text;
 342
 343                 if (*span) {
 344                         (*span)--;
 345                         return 0;
 346                 } else {
 347                         *span = dim->header.line[line].span;
 348                 }
 349         }
 350
 351         if (text == NULL)
 352                 text = "";
 353
 354         return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
 355 }
 356
 357 #define HEX_STR(__s, __v)                               \
 358 ({                                                      \
 359         scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
 360         __s;                                            \
 361 })
 362
 363 static int64_t
 364 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 365                struct hist_entry *left, struct hist_entry *right)
 366 {
 367         return sort__dcacheline_cmp(left, right);
 368 }
 369
 370 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 371                             struct hist_entry *he)
 372 {
 373         uint64_t addr = 0;
 374         int width = c2c_width(fmt, hpp, he->hists);
 375         char buf[20];
 376
 377         if (he->mem_info)
 378                 addr = cl_address(he->mem_info->daddr.addr);
 379
 380         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 381 }
 382
 383 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 384                         struct hist_entry *he)
 385 {
 386         uint64_t addr = 0;
 387         int width = c2c_width(fmt, hpp, he->hists);
 388         char buf[20];
 389
 390         if (he->mem_info)
 391                 addr = cl_offset(he->mem_info->daddr.al_addr);
 392
 393         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 394 }
 395
 396 static int64_t
 397 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 398            struct hist_entry *left, struct hist_entry *right)
 399 {
 400         uint64_t l = 0, r = 0;
 401
 402         if (left->mem_info)
 403                 l = cl_offset(left->mem_info->daddr.addr);
 404         if (right->mem_info)
 405                 r = cl_offset(right->mem_info->daddr.addr);
 406
 407         return (int64_t)(r - l);
 408 }
 409
 410 static int
 411 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 412             struct hist_entry *he)
 413 {
 414         uint64_t addr = 0;
 415         int width = c2c_width(fmt, hpp, he->hists);
 416         char buf[20];
 417
 418         if (he->mem_info)
 419                 addr = he->mem_info->iaddr.addr;
 420
 421         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 422 }
 423
 424 static int64_t
 425 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 426           struct hist_entry *left, struct hist_entry *right)
 427 {
 428         return sort__iaddr_cmp(left, right);
 429 }
 430
 431 static int
 432 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 433                struct hist_entry *he)
 434 {
 435         struct c2c_hist_entry *c2c_he;
 436         int width = c2c_width(fmt, hpp, he->hists);
 437         unsigned int tot_hitm;
 438
 439         c2c_he = container_of(he, struct c2c_hist_entry, he);
 440         tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
 441
 442         return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
 443 }
 444
 445 static int64_t
 446 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 447              struct hist_entry *left, struct hist_entry *right)
 448 {
 449         struct c2c_hist_entry *c2c_left;
 450         struct c2c_hist_entry *c2c_right;
 451         unsigned int tot_hitm_left;
 452         unsigned int tot_hitm_right;
 453
 454         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 455         c2c_right = container_of(right, struct c2c_hist_entry, he);
 456
 457         tot_hitm_left  = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
 458         tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
 459
 460         return tot_hitm_left - tot_hitm_right;
 461 }
 462
 463 #define STAT_FN_ENTRY(__f)                                      \
 464 static int                                                      \
 465 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,   \
 466               struct hist_entry *he)                            \
 467 {                                                               \
 468         struct c2c_hist_entry *c2c_he;                          \
 469         int width = c2c_width(fmt, hpp, he->hists);             \
 470                                                                 \
 471         c2c_he = container_of(he, struct c2c_hist_entry, he);   \
 472         return scnprintf(hpp->buf, hpp->size, "%*u", width,     \
 473                          c2c_he->stats.__f);                    \
 474 }
 475
 476 #define STAT_FN_CMP(__f)                                                \
 477 static int64_t                                                          \
 478 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused,                    \
 479             struct hist_entry *left, struct hist_entry *right)          \
 480 {                                                                       \
 481         struct c2c_hist_entry *c2c_left, *c2c_right;                    \
 482                                                                         \
 483         c2c_left  = container_of(left, struct c2c_hist_entry, he);      \
 484         c2c_right = container_of(right, struct c2c_hist_entry, he);     \
 485         return c2c_left->stats.__f - c2c_right->stats.__f;              \
 486 }
 487
 488 #define STAT_FN(__f)            \
 489         STAT_FN_ENTRY(__f)      \
 490         STAT_FN_CMP(__f)
 491
 492 STAT_FN(rmt_hitm)
 493 STAT_FN(lcl_hitm)
 494 STAT_FN(store)
 495 STAT_FN(st_l1hit)
 496 STAT_FN(st_l1miss)
 497 STAT_FN(ld_fbhit)
 498 STAT_FN(ld_l1hit)
 499 STAT_FN(ld_l2hit)
 500 STAT_FN(ld_llchit)
 501 STAT_FN(rmt_hit)
 502
 503 static uint64_t llc_miss(struct c2c_stats *stats)
 504 {
 505         uint64_t llcmiss;
 506
 507         llcmiss = stats->lcl_dram +
 508                   stats->rmt_dram +
 509                   stats->rmt_hitm +
 510                   stats->rmt_hit;
 511
 512         return llcmiss;
 513 }
 514
 515 static int
 516 ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 517                  struct hist_entry *he)
 518 {
 519         struct c2c_hist_entry *c2c_he;
 520         int width = c2c_width(fmt, hpp, he->hists);
 521
 522         c2c_he = container_of(he, struct c2c_hist_entry, he);
 523
 524         return scnprintf(hpp->buf, hpp->size, "%*lu", width,
 525                          llc_miss(&c2c_he->stats));
 526 }
 527
 528 static int64_t
 529 ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 530                struct hist_entry *left, struct hist_entry *right)
 531 {
 532         struct c2c_hist_entry *c2c_left;
 533         struct c2c_hist_entry *c2c_right;
 534
 535         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 536         c2c_right = container_of(right, struct c2c_hist_entry, he);
 537
 538         return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
 539 }
 540
 541 static uint64_t total_records(struct c2c_stats *stats)
 542 {
 543         uint64_t lclmiss, ldcnt, total;
 544
 545         lclmiss  = stats->lcl_dram +
 546                    stats->rmt_dram +
 547                    stats->rmt_hitm +
 548                    stats->rmt_hit;
 549
 550         ldcnt    = lclmiss +
 551                    stats->ld_fbhit +
 552                    stats->ld_l1hit +
 553                    stats->ld_l2hit +
 554                    stats->ld_llchit +
 555                    stats->lcl_hitm;
 556
 557         total    = ldcnt +
 558                    stats->st_l1hit +
 559                    stats->st_l1miss;
 560
 561         return total;
 562 }
 563
 564 static int
 565 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 566                 struct hist_entry *he)
 567 {
 568         struct c2c_hist_entry *c2c_he;
 569         int width = c2c_width(fmt, hpp, he->hists);
 570         uint64_t tot_recs;
 571
 572         c2c_he = container_of(he, struct c2c_hist_entry, he);
 573         tot_recs = total_records(&c2c_he->stats);
 574
 575         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 576 }
 577
 578 static int64_t
 579 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 580              struct hist_entry *left, struct hist_entry *right)
 581 {
 582         struct c2c_hist_entry *c2c_left;
 583         struct c2c_hist_entry *c2c_right;
 584         uint64_t tot_recs_left;
 585         uint64_t tot_recs_right;
 586
 587         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 588         c2c_right = container_of(right, struct c2c_hist_entry, he);
 589
 590         tot_recs_left  = total_records(&c2c_left->stats);
 591         tot_recs_right = total_records(&c2c_right->stats);
 592
 593         return tot_recs_left - tot_recs_right;
 594 }
 595
 596 static uint64_t total_loads(struct c2c_stats *stats)
 597 {
 598         uint64_t lclmiss, ldcnt;
 599
 600         lclmiss  = stats->lcl_dram +
 601                    stats->rmt_dram +
 602                    stats->rmt_hitm +
 603                    stats->rmt_hit;
 604
 605         ldcnt    = lclmiss +
 606                    stats->ld_fbhit +
 607                    stats->ld_l1hit +
 608                    stats->ld_l2hit +
 609                    stats->ld_llchit +
 610                    stats->lcl_hitm;
 611
 612         return ldcnt;
 613 }
 614
 615 static int
 616 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 617                 struct hist_entry *he)
 618 {
 619         struct c2c_hist_entry *c2c_he;
 620         int width = c2c_width(fmt, hpp, he->hists);
 621         uint64_t tot_recs;
 622
 623         c2c_he = container_of(he, struct c2c_hist_entry, he);
 624         tot_recs = total_loads(&c2c_he->stats);
 625
 626         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 627 }
 628
 629 static int64_t
 630 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 631               struct hist_entry *left, struct hist_entry *right)
 632 {
 633         struct c2c_hist_entry *c2c_left;
 634         struct c2c_hist_entry *c2c_right;
 635         uint64_t tot_recs_left;
 636         uint64_t tot_recs_right;
 637
 638         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 639         c2c_right = container_of(right, struct c2c_hist_entry, he);
 640
 641         tot_recs_left  = total_loads(&c2c_left->stats);
 642         tot_recs_right = total_loads(&c2c_right->stats);
 643
 644         return tot_recs_left - tot_recs_right;
 645 }
 646
 647 typedef double (get_percent_cb)(struct c2c_hist_entry *);
 648
 649 static int
 650 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 651               struct hist_entry *he, get_percent_cb get_percent)
 652 {
 653         struct c2c_hist_entry *c2c_he;
 654         int width = c2c_width(fmt, hpp, he->hists);
 655         double per;
 656
 657         c2c_he = container_of(he, struct c2c_hist_entry, he);
 658         per = get_percent(c2c_he);
 659
 660         return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
 661 }
 662
 663 static double percent_hitm(struct c2c_hist_entry *c2c_he)
 664 {
 665         struct c2c_hists *hists;
 666         struct c2c_stats *stats;
 667         struct c2c_stats *total;
 668         int tot, st;
 669         double p;
 670
 671         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
 672         stats = &c2c_he->stats;
 673         total = &hists->stats;
 674
 675         st  = stats->rmt_hitm;
 676         tot = total->rmt_hitm;
 677
 678         p = tot ? (double) st / tot : 0;
 679
 680         return 100 * p;
 681 }
 682
 683 #define PERC_STR(__s, __v)                              \
 684 ({                                                      \
 685         scnprintf(__s, sizeof(__s), "%.2F%%", __v);     \
 686         __s;                                            \
 687 })
 688
 689 static int
 690 percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 691                    struct hist_entry *he)
 692 {
 693         struct c2c_hist_entry *c2c_he;
 694         int width = c2c_width(fmt, hpp, he->hists);
 695         char buf[10];
 696         double per;
 697
 698         c2c_he = container_of(he, struct c2c_hist_entry, he);
 699         per = percent_hitm(c2c_he);
 700         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 701 }
 702
 703 static int
 704 percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 705                    struct hist_entry *he)
 706 {
 707         return percent_color(fmt, hpp, he, percent_hitm);
 708 }
 709
 710 static int64_t
 711 percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 712                  struct hist_entry *left, struct hist_entry *right)
 713 {
 714         struct c2c_hist_entry *c2c_left;
 715         struct c2c_hist_entry *c2c_right;
 716         double per_left;
 717         double per_right;
 718
 719         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 720         c2c_right = container_of(right, struct c2c_hist_entry, he);
 721
 722         per_left  = percent_hitm(c2c_left);
 723         per_right = percent_hitm(c2c_right);
 724
 725         return per_left - per_right;
 726 }
 727
 728 static struct c2c_stats *he_stats(struct hist_entry *he)
 729 {
 730         struct c2c_hist_entry *c2c_he;
 731
 732         c2c_he = container_of(he, struct c2c_hist_entry, he);
 733         return &c2c_he->stats;
 734 }
 735
 736 static struct c2c_stats *total_stats(struct hist_entry *he)
 737 {
 738         struct c2c_hists *hists;
 739
 740         hists = container_of(he->hists, struct c2c_hists, hists);
 741         return &hists->stats;
 742 }
 743
 744 static double percent(int st, int tot)
 745 {
 746         return tot ? 100. * (double) st / (double) tot : 0;
 747 }
 748
 749 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
 750
 751 #define PERCENT_FN(__f)                                                         \
 752 static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                    \
 753 {                                                                               \
 754         struct c2c_hists *hists;                                                \
 755                                                                                 \
 756         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
 757         return percent(c2c_he->stats.__f, hists->stats.__f);                    \
 758 }
 759
 760 PERCENT_FN(rmt_hitm)
 761 PERCENT_FN(lcl_hitm)
 762 PERCENT_FN(st_l1hit)
 763 PERCENT_FN(st_l1miss)
 764
 765 static int
 766 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 767                        struct hist_entry *he)
 768 {
 769         int width = c2c_width(fmt, hpp, he->hists);
 770         double per = PERCENT(he, rmt_hitm);
 771         char buf[10];
 772
 773         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 774 }
 775
 776 static int
 777 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 778                        struct hist_entry *he)
 779 {
 780         return percent_color(fmt, hpp, he, percent_rmt_hitm);
 781 }
 782
 783 static int64_t
 784 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 785                      struct hist_entry *left, struct hist_entry *right)
 786 {
 787         double per_left;
 788         double per_right;
 789
 790         per_left  = PERCENT(left, lcl_hitm);
 791         per_right = PERCENT(right, lcl_hitm);
 792
 793         return per_left - per_right;
 794 }
 795
 796 static int
 797 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 798                        struct hist_entry *he)
 799 {
 800         int width = c2c_width(fmt, hpp, he->hists);
 801         double per = PERCENT(he, lcl_hitm);
 802         char buf[10];
 803
 804         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 805 }
 806
 807 static int
 808 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 809                        struct hist_entry *he)
 810 {
 811         return percent_color(fmt, hpp, he, percent_lcl_hitm);
 812 }
 813
 814 static int64_t
 815 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 816                      struct hist_entry *left, struct hist_entry *right)
 817 {
 818         double per_left;
 819         double per_right;
 820
 821         per_left  = PERCENT(left, lcl_hitm);
 822         per_right = PERCENT(right, lcl_hitm);
 823
 824         return per_left - per_right;
 825 }
 826
 827 static int
 828 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 829                            struct hist_entry *he)
 830 {
 831         int width = c2c_width(fmt, hpp, he->hists);
 832         double per = PERCENT(he, st_l1hit);
 833         char buf[10];
 834
 835         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 836 }
 837
 838 static int
 839 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 840                            struct hist_entry *he)
 841 {
 842         return percent_color(fmt, hpp, he, percent_st_l1hit);
 843 }
 844
 845 static int64_t
 846 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 847                         struct hist_entry *left, struct hist_entry *right)
 848 {
 849         double per_left;
 850         double per_right;
 851
 852         per_left  = PERCENT(left, st_l1hit);
 853         per_right = PERCENT(right, st_l1hit);
 854
 855         return per_left - per_right;
 856 }
 857
 858 static int
 859 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 860                            struct hist_entry *he)
 861 {
 862         int width = c2c_width(fmt, hpp, he->hists);
 863         double per = PERCENT(he, st_l1miss);
 864         char buf[10];
 865
 866         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 867 }
 868
 869 static int
 870 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 871                             struct hist_entry *he)
 872 {
 873         return percent_color(fmt, hpp, he, percent_st_l1miss);
 874 }
 875
 876 static int64_t
 877 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 878                           struct hist_entry *left, struct hist_entry *right)
 879 {
 880         double per_left;
 881         double per_right;
 882
 883         per_left  = PERCENT(left, st_l1miss);
 884         per_right = PERCENT(right, st_l1miss);
 885
 886         return per_left - per_right;
 887 }
 888
 889 STAT_FN(lcl_dram)
 890 STAT_FN(rmt_dram)
 891
 892 static int
 893 pid_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
 898         return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
 899 }
 900
 901 static int64_t
 902 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 903         struct hist_entry *left, struct hist_entry *right)
 904 {
 905         return left->thread->pid_ - right->thread->pid_;
 906 }
 907
 908 static int64_t
 909 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 910           struct hist_entry *left __maybe_unused,
 911           struct hist_entry *right __maybe_unused)
 912 {
 913         return 0;
 914 }
 915
 916 static int
 917 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
 918            struct hist_entry *he)
 919 {
 920         struct c2c_hist_entry *c2c_he;
 921         bool first = true;
 922         int node;
 923         int ret = 0;
 924
 925         c2c_he = container_of(he, struct c2c_hist_entry, he);
 926
 927         for (node = 0; node < c2c.nodes_cnt; node++) {
 928                 DECLARE_BITMAP(set, c2c.cpus_cnt);
 929
 930                 bitmap_zero(set, c2c.cpus_cnt);
 931                 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
 932
 933                 if (!bitmap_weight(set, c2c.cpus_cnt)) {
 934                         if (c2c.node_info == 1) {
 935                                 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
 936                                 advance_hpp(hpp, ret);
 937                         }
 938                         continue;
 939                 }
 940
 941                 if (!first) {
 942                         ret = scnprintf(hpp->buf, hpp->size, " ");
 943                         advance_hpp(hpp, ret);
 944                 }
 945
 946                 switch (c2c.node_info) {
 947                 case 0:
 948                         ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
 949                         advance_hpp(hpp, ret);
 950                         break;
 951                 case 1:
 952                 {
 953                         int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
 954                         struct c2c_stats *stats = &c2c_he->node_stats[node];
 955
 956                         ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
 957                         advance_hpp(hpp, ret);
 958
 959
 960                         if (c2c_he->stats.rmt_hitm > 0) {
 961                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",
 962                                                 percent(stats->rmt_hitm, c2c_he->stats.rmt_hitm));
 963                         } else {
 964                                 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");
 965                         }
 966
 967                         advance_hpp(hpp, ret);
 968
 969                         if (c2c_he->stats.store > 0) {
 970                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
 971                                                 percent(stats->store, c2c_he->stats.store));
 972                         } else {
 973                                 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
 974                         }
 975
 976                         advance_hpp(hpp, ret);
 977                         break;
 978                 }
 979                 case 2:
 980                         ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
 981                         advance_hpp(hpp, ret);
 982
 983                         ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
 984                         advance_hpp(hpp, ret);
 985
 986                         ret = scnprintf(hpp->buf, hpp->size, "}");
 987                         advance_hpp(hpp, ret);
 988                         break;
 989                 default:
 990                         break;
 991                 }
 992
 993                 first = false;
 994         }
 995
 996         return 0;
 997 }
 998
 999 static int
1000 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1001            struct hist_entry *he, double mean)
1002 {
1003         int width = c2c_width(fmt, hpp, he->hists);
1004         char buf[10];
1005
1006         scnprintf(buf, 10, "%6.0f", mean);
1007         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1008 }
1009
1010 #define MEAN_ENTRY(__func, __val)                                               \
1011 static int                                                                      \
1012 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)   \
1013 {                                                                               \
1014         struct c2c_hist_entry *c2c_he;                                          \
1015         c2c_he = container_of(he, struct c2c_hist_entry, he);                   \
1016         return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val));      \
1017 }
1018
1019 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
1020 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
1021 MEAN_ENTRY(mean_load_entry, load);
1022
1023 static int
1024 cpucnt_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1025              struct hist_entry *he)
1026 {
1027         struct c2c_hist_entry *c2c_he;
1028         int width = c2c_width(fmt, hpp, he->hists);
1029         char buf[10];
1030
1031         c2c_he = container_of(he, struct c2c_hist_entry, he);
1032
1033         scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1034         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1035 }
1036
1037 #define HEADER_LOW(__h)                 \
1038         {                               \
1039                 .line[1] = {            \
1040                         .text = __h,    \
1041                 },                      \
1042         }
1043
1044 #define HEADER_BOTH(__h0, __h1)         \
1045         {                               \
1046                 .line[0] = {            \
1047                         .text = __h0,   \
1048                 },                      \
1049                 .line[1] = {            \
1050                         .text = __h1,   \
1051                 },                      \
1052         }
1053
1054 #define HEADER_SPAN(__h0, __h1, __s)    \
1055         {                               \
1056                 .line[0] = {            \
1057                         .text = __h0,   \
1058                         .span = __s,    \
1059                 },                      \
1060                 .line[1] = {            \
1061                         .text = __h1,   \
1062                 },                      \
1063         }
1064
1065 #define HEADER_SPAN_LOW(__h)            \
1066         {                               \
1067                 .line[1] = {            \
1068                         .text = __h,    \
1069                 },                      \
1070         }
1071
1072 static struct c2c_dimension dim_dcacheline = {
1073         .header         = HEADER_LOW("Cacheline"),
1074         .name           = "dcacheline",
1075         .cmp            = dcacheline_cmp,
1076         .entry          = dcacheline_entry,
1077         .width          = 18,
1078 };
1079
1080 static struct c2c_dimension dim_offset = {
1081         .header         = HEADER_BOTH("Data address", "Offset"),
1082         .name           = "offset",
1083         .cmp            = offset_cmp,
1084         .entry          = offset_entry,
1085         .width          = 18,
1086 };
1087
1088 static struct c2c_dimension dim_iaddr = {
1089         .header         = HEADER_LOW("Code address"),
1090         .name           = "iaddr",
1091         .cmp            = iaddr_cmp,
1092         .entry          = iaddr_entry,
1093         .width          = 18,
1094 };
1095
1096 static struct c2c_dimension dim_tot_hitm = {
1097         .header         = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1098         .name           = "tot_hitm",
1099         .cmp            = tot_hitm_cmp,
1100         .entry          = tot_hitm_entry,
1101         .width          = 7,
1102 };
1103
1104 static struct c2c_dimension dim_lcl_hitm = {
1105         .header         = HEADER_SPAN_LOW("Lcl"),
1106         .name           = "lcl_hitm",
1107         .cmp            = lcl_hitm_cmp,
1108         .entry          = lcl_hitm_entry,
1109         .width          = 7,
1110 };
1111
1112 static struct c2c_dimension dim_rmt_hitm = {
1113         .header         = HEADER_SPAN_LOW("Rmt"),
1114         .name           = "rmt_hitm",
1115         .cmp            = rmt_hitm_cmp,
1116         .entry          = rmt_hitm_entry,
1117         .width          = 7,
1118 };
1119
1120 static struct c2c_dimension dim_cl_rmt_hitm = {
1121         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1122         .name           = "cl_rmt_hitm",
1123         .cmp            = rmt_hitm_cmp,
1124         .entry          = rmt_hitm_entry,
1125         .width          = 7,
1126 };
1127
1128 static struct c2c_dimension dim_cl_lcl_hitm = {
1129         .header         = HEADER_SPAN_LOW("Lcl"),
1130         .name           = "cl_lcl_hitm",
1131         .cmp            = lcl_hitm_cmp,
1132         .entry          = lcl_hitm_entry,
1133         .width          = 7,
1134 };
1135
1136 static struct c2c_dimension dim_stores = {
1137         .header         = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1138         .name           = "stores",
1139         .cmp            = store_cmp,
1140         .entry          = store_entry,
1141         .width          = 7,
1142 };
1143
1144 static struct c2c_dimension dim_stores_l1hit = {
1145         .header         = HEADER_SPAN_LOW("L1Hit"),
1146         .name           = "stores_l1hit",
1147         .cmp            = st_l1hit_cmp,
1148         .entry          = st_l1hit_entry,
1149         .width          = 7,
1150 };
1151
1152 static struct c2c_dimension dim_stores_l1miss = {
1153         .header         = HEADER_SPAN_LOW("L1Miss"),
1154         .name           = "stores_l1miss",
1155         .cmp            = st_l1miss_cmp,
1156         .entry          = st_l1miss_entry,
1157         .width          = 7,
1158 };
1159
1160 static struct c2c_dimension dim_cl_stores_l1hit = {
1161         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1162         .name           = "cl_stores_l1hit",
1163         .cmp            = st_l1hit_cmp,
1164         .entry          = st_l1hit_entry,
1165         .width          = 7,
1166 };
1167
1168 static struct c2c_dimension dim_cl_stores_l1miss = {
1169         .header         = HEADER_SPAN_LOW("L1 Miss"),
1170         .name           = "cl_stores_l1miss",
1171         .cmp            = st_l1miss_cmp,
1172         .entry          = st_l1miss_entry,
1173         .width          = 7,
1174 };
1175
1176 static struct c2c_dimension dim_ld_fbhit = {
1177         .header         = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1178         .name           = "ld_fbhit",
1179         .cmp            = ld_fbhit_cmp,
1180         .entry          = ld_fbhit_entry,
1181         .width          = 7,
1182 };
1183
1184 static struct c2c_dimension dim_ld_l1hit = {
1185         .header         = HEADER_SPAN_LOW("L1"),
1186         .name           = "ld_l1hit",
1187         .cmp            = ld_l1hit_cmp,
1188         .entry          = ld_l1hit_entry,
1189         .width          = 7,
1190 };
1191
1192 static struct c2c_dimension dim_ld_l2hit = {
1193         .header         = HEADER_SPAN_LOW("L2"),
1194         .name           = "ld_l2hit",
1195         .cmp            = ld_l2hit_cmp,
1196         .entry          = ld_l2hit_entry,
1197         .width          = 7,
1198 };
1199
1200 static struct c2c_dimension dim_ld_llchit = {
1201         .header         = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1202         .name           = "ld_lclhit",
1203         .cmp            = ld_llchit_cmp,
1204         .entry          = ld_llchit_entry,
1205         .width          = 8,
1206 };
1207
1208 static struct c2c_dimension dim_ld_rmthit = {
1209         .header         = HEADER_SPAN_LOW("Rmt"),
1210         .name           = "ld_rmthit",
1211         .cmp            = rmt_hit_cmp,
1212         .entry          = rmt_hit_entry,
1213         .width          = 8,
1214 };
1215
1216 static struct c2c_dimension dim_ld_llcmiss = {
1217         .header         = HEADER_BOTH("LLC", "Ld Miss"),
1218         .name           = "ld_llcmiss",
1219         .cmp            = ld_llcmiss_cmp,
1220         .entry          = ld_llcmiss_entry,
1221         .width          = 7,
1222 };
1223
1224 static struct c2c_dimension dim_tot_recs = {
1225         .header         = HEADER_BOTH("Total", "records"),
1226         .name           = "tot_recs",
1227         .cmp            = tot_recs_cmp,
1228         .entry          = tot_recs_entry,
1229         .width          = 7,
1230 };
1231
1232 static struct c2c_dimension dim_tot_loads = {
1233         .header         = HEADER_BOTH("Total", "Loads"),
1234         .name           = "tot_loads",
1235         .cmp            = tot_loads_cmp,
1236         .entry          = tot_loads_entry,
1237         .width          = 7,
1238 };
1239
1240 static struct c2c_dimension dim_percent_hitm = {
1241         .header         = HEADER_LOW("%hitm"),
1242         .name           = "percent_hitm",
1243         .cmp            = percent_hitm_cmp,
1244         .entry          = percent_hitm_entry,
1245         .color          = percent_hitm_color,
1246         .width          = 7,
1247 };
1248
1249 static struct c2c_dimension dim_percent_rmt_hitm = {
1250         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1251         .name           = "percent_rmt_hitm",
1252         .cmp            = percent_rmt_hitm_cmp,
1253         .entry          = percent_rmt_hitm_entry,
1254         .color          = percent_rmt_hitm_color,
1255         .width          = 7,
1256 };
1257
1258 static struct c2c_dimension dim_percent_lcl_hitm = {
1259         .header         = HEADER_SPAN_LOW("Lcl"),
1260         .name           = "percent_lcl_hitm",
1261         .cmp            = percent_lcl_hitm_cmp,
1262         .entry          = percent_lcl_hitm_entry,
1263         .color          = percent_lcl_hitm_color,
1264         .width          = 7,
1265 };
1266
1267 static struct c2c_dimension dim_percent_stores_l1hit = {
1268         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1269         .name           = "percent_stores_l1hit",
1270         .cmp            = percent_stores_l1hit_cmp,
1271         .entry          = percent_stores_l1hit_entry,
1272         .color          = percent_stores_l1hit_color,
1273         .width          = 7,
1274 };
1275
1276 static struct c2c_dimension dim_percent_stores_l1miss = {
1277         .header         = HEADER_SPAN_LOW("L1 Miss"),
1278         .name           = "percent_stores_l1miss",
1279         .cmp            = percent_stores_l1miss_cmp,
1280         .entry          = percent_stores_l1miss_entry,
1281         .color          = percent_stores_l1miss_color,
1282         .width          = 7,
1283 };
1284
1285 static struct c2c_dimension dim_dram_lcl = {
1286         .header         = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1287         .name           = "dram_lcl",
1288         .cmp            = lcl_dram_cmp,
1289         .entry          = lcl_dram_entry,
1290         .width          = 8,
1291 };
1292
1293 static struct c2c_dimension dim_dram_rmt = {
1294         .header         = HEADER_SPAN_LOW("Rmt"),
1295         .name           = "dram_rmt",
1296         .cmp            = rmt_dram_cmp,
1297         .entry          = rmt_dram_entry,
1298         .width          = 8,
1299 };
1300
1301 static struct c2c_dimension dim_pid = {
1302         .header         = HEADER_LOW("Pid"),
1303         .name           = "pid",
1304         .cmp            = pid_cmp,
1305         .entry          = pid_entry,
1306         .width          = 7,
1307 };
1308
1309 static struct c2c_dimension dim_tid = {
1310         .header         = HEADER_LOW("Tid"),
1311         .name           = "tid",
1312         .se             = &sort_thread,
1313 };
1314
1315 static struct c2c_dimension dim_symbol = {
1316         .name           = "symbol",
1317         .se             = &sort_sym,
1318 };
1319
1320 static struct c2c_dimension dim_dso = {
1321         .header         = HEADER_BOTH("Shared", "Object"),
1322         .name           = "dso",
1323         .se             = &sort_dso,
1324 };
1325
1326 static struct c2c_header header_node[3] = {
1327         HEADER_LOW("Node"),
1328         HEADER_LOW("Node{cpus %hitms %stores}"),
1329         HEADER_LOW("Node{cpu list}"),
1330 };
1331
1332 static struct c2c_dimension dim_node = {
1333         .name           = "node",
1334         .cmp            = empty_cmp,
1335         .entry          = node_entry,
1336         .width          = 4,
1337 };
1338
1339 static struct c2c_dimension dim_mean_rmt = {
1340         .header         = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1341         .name           = "mean_rmt",
1342         .cmp            = empty_cmp,
1343         .entry          = mean_rmt_entry,
1344         .width          = 8,
1345 };
1346
1347 static struct c2c_dimension dim_mean_lcl = {
1348         .header         = HEADER_SPAN_LOW("lcl hitm"),
1349         .name           = "mean_lcl",
1350         .cmp            = empty_cmp,
1351         .entry          = mean_lcl_entry,
1352         .width          = 8,
1353 };
1354
1355 static struct c2c_dimension dim_mean_load = {
1356         .header         = HEADER_SPAN_LOW("load"),
1357         .name           = "mean_load",
1358         .cmp            = empty_cmp,
1359         .entry          = mean_load_entry,
1360         .width          = 8,
1361 };
1362
1363 static struct c2c_dimension dim_cpucnt = {
1364         .header         = HEADER_BOTH("cpu", "cnt"),
1365         .name           = "cpucnt",
1366         .cmp            = empty_cmp,
1367         .entry          = cpucnt_entry,
1368         .width          = 8,
1369 };
1370
1371 static struct c2c_dimension dim_srcline = {
1372         .name           = "cl_srcline",
1373         .se             = &sort_srcline,
1374 };
1375
1376 static struct c2c_dimension *dimensions[] = {
1377         &dim_dcacheline,
1378         &dim_offset,
1379         &dim_iaddr,
1380         &dim_tot_hitm,
1381         &dim_lcl_hitm,
1382         &dim_rmt_hitm,
1383         &dim_cl_lcl_hitm,
1384         &dim_cl_rmt_hitm,
1385         &dim_stores,
1386         &dim_stores_l1hit,
1387         &dim_stores_l1miss,
1388         &dim_cl_stores_l1hit,
1389         &dim_cl_stores_l1miss,
1390         &dim_ld_fbhit,
1391         &dim_ld_l1hit,
1392         &dim_ld_l2hit,
1393         &dim_ld_llchit,
1394         &dim_ld_rmthit,
1395         &dim_ld_llcmiss,
1396         &dim_tot_recs,
1397         &dim_tot_loads,
1398         &dim_percent_hitm,
1399         &dim_percent_rmt_hitm,
1400         &dim_percent_lcl_hitm,
1401         &dim_percent_stores_l1hit,
1402         &dim_percent_stores_l1miss,
1403         &dim_dram_lcl,
1404         &dim_dram_rmt,
1405         &dim_pid,
1406         &dim_tid,
1407         &dim_symbol,
1408         &dim_dso,
1409         &dim_node,
1410         &dim_mean_rmt,
1411         &dim_mean_lcl,
1412         &dim_mean_load,
1413         &dim_cpucnt,
1414         &dim_srcline,
1415         NULL,
1416 };
1417
1418 static void fmt_free(struct perf_hpp_fmt *fmt)
1419 {
1420         struct c2c_fmt *c2c_fmt;
1421
1422         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1423         free(c2c_fmt);
1424 }
1425
1426 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1427 {
1428         struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1429         struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1430
1431         return c2c_a->dim == c2c_b->dim;
1432 }
1433
1434 static struct c2c_dimension *get_dimension(const char *name)
1435 {
1436         unsigned int i;
1437
1438         for (i = 0; dimensions[i]; i++) {
1439                 struct c2c_dimension *dim = dimensions[i];
1440
1441                 if (!strcmp(dim->name, name))
1442                         return dim;
1443         };
1444
1445         return NULL;
1446 }
1447
1448 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1449                         struct hist_entry *he)
1450 {
1451         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1452         struct c2c_dimension *dim = c2c_fmt->dim;
1453         size_t len = fmt->user_len;
1454
1455         if (!len)
1456                 len = hists__col_len(he->hists, dim->se->se_width_idx);
1457
1458         return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1459 }
1460
1461 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1462                           struct hist_entry *a, struct hist_entry *b)
1463 {
1464         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1465         struct c2c_dimension *dim = c2c_fmt->dim;
1466
1467         return dim->se->se_cmp(a, b);
1468 }
1469
1470 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1471                                struct hist_entry *a, struct hist_entry *b)
1472 {
1473         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1474         struct c2c_dimension *dim = c2c_fmt->dim;
1475         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1476
1477         collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1478         return collapse_fn(a, b);
1479 }
1480
1481 static struct c2c_fmt *get_format(const char *name)
1482 {
1483         struct c2c_dimension *dim = get_dimension(name);
1484         struct c2c_fmt *c2c_fmt;
1485         struct perf_hpp_fmt *fmt;
1486
1487         if (!dim)
1488                 return NULL;
1489
1490         c2c_fmt = zalloc(sizeof(*c2c_fmt));
1491         if (!c2c_fmt)
1492                 return NULL;
1493
1494         c2c_fmt->dim = dim;
1495
1496         fmt = &c2c_fmt->fmt;
1497         INIT_LIST_HEAD(&fmt->list);
1498         INIT_LIST_HEAD(&fmt->sort_list);
1499
1500         fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
1501         fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
1502         fmt->color      = dim->se ? NULL         : dim->color;
1503         fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
1504         fmt->header     = c2c_header;
1505         fmt->width      = c2c_width;
1506         fmt->collapse   = dim->se ? c2c_se_collapse : dim->cmp;
1507         fmt->equal      = fmt_equal;
1508         fmt->free       = fmt_free;
1509
1510         return c2c_fmt;
1511 }
1512
1513 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1514 {
1515         struct c2c_fmt *c2c_fmt = get_format(name);
1516
1517         if (!c2c_fmt) {
1518                 reset_dimensions();
1519                 return output_field_add(hpp_list, name);
1520         }
1521
1522         perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1523         return 0;
1524 }
1525
1526 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1527 {
1528         struct c2c_fmt *c2c_fmt = get_format(name);
1529         struct c2c_dimension *dim;
1530
1531         if (!c2c_fmt) {
1532                 reset_dimensions();
1533                 return sort_dimension__add(hpp_list, name, NULL, 0);
1534         }
1535
1536         dim = c2c_fmt->dim;
1537         if (dim == &dim_dso)
1538                 hpp_list->dso = 1;
1539
1540         perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1541         return 0;
1542 }
1543
1544 #define PARSE_LIST(_list, _fn)                                                  \
1545         do {                                                                    \
1546                 char *tmp, *tok;                                                \
1547                 ret = 0;                                                        \
1548                                                                                 \
1549                 if (!_list)                                                     \
1550                         break;                                                  \
1551                                                                                 \
1552                 for (tok = strtok_r((char *)_list, ", ", &tmp);                 \
1553                                 tok; tok = strtok_r(NULL, ", ", &tmp)) {        \
1554                         ret = _fn(hpp_list, tok);                               \
1555                         if (ret == -EINVAL) {                                   \
1556                                 error("Invalid --fields key: `%s'", tok);       \
1557                                 break;                                          \
1558                         } else if (ret == -ESRCH) {                             \
1559                                 error("Unknown --fields key: `%s'", tok);       \
1560                                 break;                                          \
1561                         }                                                       \
1562                 }                                                               \
1563         } while (0)
1564
1565 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1566                            const char *output_,
1567                            const char *sort_)
1568 {
1569         char *output = output_ ? strdup(output_) : NULL;
1570         char *sort   = sort_   ? strdup(sort_) : NULL;
1571         int ret;
1572
1573         PARSE_LIST(output, c2c_hists__init_output);
1574         PARSE_LIST(sort,   c2c_hists__init_sort);
1575
1576         /* copy sort keys to output fields */
1577         perf_hpp__setup_output_field(hpp_list);
1578
1579         /*
1580          * We dont need other sorting keys other than those
1581          * we already specified. It also really slows down
1582          * the processing a lot with big number of output
1583          * fields, so switching this off for c2c.
1584          */
1585
1586 #if 0
1587         /* and then copy output fields to sort keys */
1588         perf_hpp__append_sort_keys(&hists->list);
1589 #endif
1590
1591         free(output);
1592         free(sort);
1593         return ret;
1594 }
1595
1596 static int c2c_hists__init(struct c2c_hists *hists,
1597                            const char *sort,
1598                            int nr_header_lines)
1599 {
1600         __hists__init(&hists->hists, &hists->list);
1601
1602         /*
1603          * Initialize only with sort fields, we need to resort
1604          * later anyway, and that's where we add output fields
1605          * as well.
1606          */
1607         perf_hpp_list__init(&hists->list);
1608
1609         /* Overload number of header lines.*/
1610         hists->list.nr_header_lines = nr_header_lines;
1611
1612         return hpp_list__parse(&hists->list, NULL, sort);
1613 }
1614
1615 __maybe_unused
1616 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1617                              const char *output,
1618                              const char *sort)
1619 {
1620         perf_hpp__reset_output_field(&c2c_hists->list);
1621         return hpp_list__parse(&c2c_hists->list, output, sort);
1622 }
1623
1624 static int filter_cb(struct hist_entry *he)
1625 {
1626         if (c2c.show_src && !he->srcline)
1627                 he->srcline = hist_entry__get_srcline(he);
1628
1629         return 0;
1630 }
1631
1632 static int resort_cl_cb(struct hist_entry *he)
1633 {
1634         struct c2c_hist_entry *c2c_he;
1635         struct c2c_hists *c2c_hists;
1636
1637         c2c_he = container_of(he, struct c2c_hist_entry, he);
1638         c2c_hists = c2c_he->hists;
1639
1640         if (c2c_hists) {
1641                 c2c_hists__reinit(c2c_hists,
1642                         "percent_rmt_hitm,"
1643                         "percent_lcl_hitm,"
1644                         "percent_stores_l1hit,"
1645                         "percent_stores_l1miss,"
1646                         "offset,"
1647                         "pid,"
1648                         "tid,"
1649                         "mean_rmt,"
1650                         "mean_lcl,"
1651                         "mean_load,"
1652                         "cpucnt,"
1653                         "symbol,"
1654                         "dso,"
1655                         "node",
1656                         "offset,rmt_hitm,lcl_hitm");
1657
1658                 hists__collapse_resort(&c2c_hists->hists, NULL);
1659                 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
1660         }
1661
1662         return 0;
1663 }
1664
1665 static void setup_nodes_header(void)
1666 {
1667         dim_node.header = header_node[c2c.node_info];
1668 }
1669
1670 static int setup_nodes(struct perf_session *session)
1671 {
1672         struct numa_node *n;
1673         unsigned long **nodes;
1674         int node, cpu;
1675         int *cpu2node;
1676
1677         if (c2c.node_info > 2)
1678                 c2c.node_info = 2;
1679
1680         c2c.nodes_cnt = session->header.env.nr_numa_nodes;
1681         c2c.cpus_cnt  = session->header.env.nr_cpus_online;
1682
1683         n = session->header.env.numa_nodes;
1684         if (!n)
1685                 return -EINVAL;
1686
1687         nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
1688         if (!nodes)
1689                 return -ENOMEM;
1690
1691         c2c.nodes = nodes;
1692
1693         cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
1694         if (!cpu2node)
1695                 return -ENOMEM;
1696
1697         for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
1698                 cpu2node[cpu] = -1;
1699
1700         c2c.cpu2node = cpu2node;
1701
1702         for (node = 0; node < c2c.nodes_cnt; node++) {
1703                 struct cpu_map *map = n[node].map;
1704                 unsigned long *set;
1705
1706                 set = bitmap_alloc(c2c.cpus_cnt);
1707                 if (!set)
1708                         return -ENOMEM;
1709
1710                 for (cpu = 0; cpu < map->nr; cpu++) {
1711                         set_bit(map->map[cpu], set);
1712
1713                         if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
1714                                 return -EINVAL;
1715
1716                         cpu2node[map->map[cpu]] = node;
1717                 }
1718
1719                 nodes[node] = set;
1720         }
1721
1722         setup_nodes_header();
1723         return 0;
1724 }
1725
1726 static void print_cacheline(struct c2c_hists *c2c_hists,
1727                             struct hist_entry *he_cl,
1728                             struct perf_hpp_list *hpp_list,
1729                             FILE *out)
1730 {
1731         char bf[1000];
1732         struct perf_hpp hpp = {
1733                 .buf            = bf,
1734                 .size           = 1000,
1735         };
1736         static bool once;
1737
1738         if (!once) {
1739                 hists__fprintf_headers(&c2c_hists->hists, out);
1740                 once = true;
1741         } else {
1742                 fprintf(out, "\n");
1743         }
1744
1745         fprintf(out, "  ------------------------------------------------------\n");
1746         __hist_entry__snprintf(he_cl, &hpp, hpp_list);
1747         fprintf(out, "%s\n", bf);
1748         fprintf(out, "  ------------------------------------------------------\n");
1749
1750         hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
1751 }
1752
1753 static void print_pareto(FILE *out)
1754 {
1755         struct perf_hpp_list hpp_list;
1756         struct rb_node *nd;
1757         int ret;
1758
1759         perf_hpp_list__init(&hpp_list);
1760         ret = hpp_list__parse(&hpp_list,
1761                                 "cl_rmt_hitm,"
1762                                 "cl_lcl_hitm,"
1763                                 "cl_stores_l1hit,"
1764                                 "cl_stores_l1miss,"
1765                                 "dcacheline",
1766                                 NULL);
1767
1768         if (WARN_ONCE(ret, "failed to setup sort entries\n"))
1769                 return;
1770
1771         nd = rb_first(&c2c.hists.hists.entries);
1772
1773         for (; nd; nd = rb_next(nd)) {
1774                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
1775                 struct c2c_hist_entry *c2c_he;
1776
1777                 if (he->filtered)
1778                         continue;
1779
1780                 c2c_he = container_of(he, struct c2c_hist_entry, he);
1781                 print_cacheline(c2c_he->hists, he, &hpp_list, out);
1782         }
1783 }
1784
1785 static void perf_c2c__hists_fprintf(FILE *out)
1786 {
1787         setup_pager();
1788
1789         fprintf(out, "\n");
1790         fprintf(out, "=================================================\n");
1791         fprintf(out, "           Shared Data Cache Line Table          \n");
1792         fprintf(out, "=================================================\n");
1793         fprintf(out, "#\n");
1794
1795         hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
1796
1797         fprintf(out, "\n");
1798         fprintf(out, "=================================================\n");
1799         fprintf(out, "      Shared Cache Line Distribution Pareto      \n");
1800         fprintf(out, "=================================================\n");
1801         fprintf(out, "#\n");
1802
1803         print_pareto(out);
1804 }
1805
1806 static int perf_c2c__report(int argc, const char **argv)
1807 {
1808         struct perf_session *session;
1809         struct ui_progress prog;
1810         struct perf_data_file file = {
1811                 .mode = PERF_DATA_MODE_READ,
1812         };
1813         const struct option c2c_options[] = {
1814         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1815                    "file", "vmlinux pathname"),
1816         OPT_INCR('v', "verbose", &verbose,
1817                  "be more verbose (show counter open errors, etc)"),
1818         OPT_STRING('i', "input", &input_name, "file",
1819                    "the input file to process"),
1820         OPT_INCR('N', "node-info", &c2c.node_info,
1821                  "show extra node info in report (repeat for more info)"),
1822         OPT_END()
1823         };
1824         int err = 0;
1825
1826         argc = parse_options(argc, argv, c2c_options, report_c2c_usage,
1827                              PARSE_OPT_STOP_AT_NON_OPTION);
1828         if (argc)
1829                 usage_with_options(report_c2c_usage, c2c_options);
1830
1831         if (!input_name || !strlen(input_name))
1832                 input_name = "perf.data";
1833
1834         file.path = input_name;
1835
1836         err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
1837         if (err) {
1838                 pr_debug("Failed to initialize hists\n");
1839                 goto out;
1840         }
1841
1842         session = perf_session__new(&file, 0, &c2c.tool);
1843         if (session == NULL) {
1844                 pr_debug("No memory for session\n");
1845                 goto out;
1846         }
1847         err = setup_nodes(session);
1848         if (err) {
1849                 pr_err("Failed setup nodes\n");
1850                 goto out;
1851         }
1852
1853         if (symbol__init(&session->header.env) < 0)
1854                 goto out_session;
1855
1856         /* No pipe support at the moment. */
1857         if (perf_data_file__is_pipe(session->file)) {
1858                 pr_debug("No pipe support at the moment.\n");
1859                 goto out_session;
1860         }
1861
1862         err = perf_session__process_events(session);
1863         if (err) {
1864                 pr_err("failed to process sample\n");
1865                 goto out_session;
1866         }
1867
1868         c2c_hists__reinit(&c2c.hists,
1869                         "dcacheline,"
1870                         "tot_recs,"
1871                         "percent_hitm,"
1872                         "tot_hitm,lcl_hitm,rmt_hitm,"
1873                         "stores,stores_l1hit,stores_l1miss,"
1874                         "dram_lcl,dram_rmt,"
1875                         "ld_llcmiss,"
1876                         "tot_loads,"
1877                         "ld_fbhit,ld_l1hit,ld_l2hit,"
1878                         "ld_lclhit,ld_rmthit",
1879                         "rmt_hitm"
1880                         );
1881
1882         ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
1883
1884         hists__collapse_resort(&c2c.hists.hists, NULL);
1885         hists__output_resort_cb(&c2c.hists.hists, &prog, resort_cl_cb);
1886
1887         ui_progress__finish();
1888
1889         use_browser = 0;
1890         perf_c2c__hists_fprintf(stdout);
1891
1892 out_session:
1893         perf_session__delete(session);
1894 out:
1895         return err;
1896 }
1897
1898 static int parse_record_events(const struct option *opt __maybe_unused,
1899                                const char *str, int unset __maybe_unused)
1900 {
1901         bool *event_set = (bool *) opt->value;
1902
1903         *event_set = true;
1904         return perf_mem_events__parse(str);
1905 }
1906
1907
1908 static const char * const __usage_record[] = {
1909         "perf c2c record [<options>] [<command>]",
1910         "perf c2c record [<options>] -- <command> [<options>]",
1911         NULL
1912 };
1913
1914 static const char * const *record_mem_usage = __usage_record;
1915
1916 static int perf_c2c__record(int argc, const char **argv)
1917 {
1918         int rec_argc, i = 0, j;
1919         const char **rec_argv;
1920         int ret;
1921         bool all_user = false, all_kernel = false;
1922         bool event_set = false;
1923         struct option options[] = {
1924         OPT_CALLBACK('e', "event", &event_set, "event",
1925                      "event selector. Use 'perf mem record -e list' to list available events",
1926                      parse_record_events),
1927         OPT_INCR('v', "verbose", &verbose,
1928                  "be more verbose (show counter open errors, etc)"),
1929         OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
1930         OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
1931         OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
1932         OPT_END()
1933         };
1934
1935         if (perf_mem_events__init()) {
1936                 pr_err("failed: memory events not supported\n");
1937                 return -1;
1938         }
1939
1940         argc = parse_options(argc, argv, options, record_mem_usage,
1941                              PARSE_OPT_KEEP_UNKNOWN);
1942
1943         rec_argc = argc + 10; /* max number of arguments */
1944         rec_argv = calloc(rec_argc + 1, sizeof(char *));
1945         if (!rec_argv)
1946                 return -1;
1947
1948         rec_argv[i++] = "record";
1949
1950         if (!event_set) {
1951                 perf_mem_events[PERF_MEM_EVENTS__LOAD].record  = true;
1952                 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
1953         }
1954
1955         if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
1956                 rec_argv[i++] = "-W";
1957
1958         rec_argv[i++] = "-d";
1959         rec_argv[i++] = "--sample-cpu";
1960
1961         for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
1962                 if (!perf_mem_events[j].record)
1963                         continue;
1964
1965                 if (!perf_mem_events[j].supported) {
1966                         pr_err("failed: event '%s' not supported\n",
1967                                perf_mem_events[j].name);
1968                         return -1;
1969                 }
1970
1971                 rec_argv[i++] = "-e";
1972                 rec_argv[i++] = perf_mem_events__name(j);
1973         };
1974
1975         if (all_user)
1976                 rec_argv[i++] = "--all-user";
1977
1978         if (all_kernel)
1979                 rec_argv[i++] = "--all-kernel";
1980
1981         for (j = 0; j < argc; j++, i++)
1982                 rec_argv[i] = argv[j];
1983
1984         if (verbose > 0) {
1985                 pr_debug("calling: ");
1986
1987                 j = 0;
1988
1989                 while (rec_argv[j]) {
1990                         pr_debug("%s ", rec_argv[j]);
1991                         j++;
1992                 }
1993                 pr_debug("\n");
1994         }
1995
1996         ret = cmd_record(i, rec_argv, NULL);
1997         free(rec_argv);
1998         return ret;
1999 }
2000
2001 int cmd_c2c(int argc, const char **argv, const char *prefix __maybe_unused)
2002 {
2003         const struct option c2c_options[] = {
2004         OPT_INCR('v', "verbose", &verbose, "be more verbose"),
2005         OPT_END()
2006         };
2007
2008         argc = parse_options(argc, argv, c2c_options, c2c_usage,
2009                              PARSE_OPT_STOP_AT_NON_OPTION);
2010
2011         if (!argc)
2012                 usage_with_options(c2c_usage, c2c_options);
2013
2014         if (!strncmp(argv[0], "rec", 3)) {
2015                 return perf_c2c__record(argc, argv);
2016         } else if (!strncmp(argv[0], "rep", 3)) {
2017                 return perf_c2c__report(argc, argv);
2018         } else {
2019                 usage_with_options(c2c_usage, c2c_options);
2020         }
2021
2022         return 0;
2023 }