tools/perf/builtin-c2c.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * This is rewrite of original c2c tool introduced in here:
   4  *   http://lwn.net/Articles/588866/
   5  *
   6  * The original tool was changed to fit in current perf state.
   7  *
   8  * Original authors:
   9  *   Don Zickus <dzickus@redhat.com>
  10  *   Dick Fowles <fowles@inreach.com>
  11  *   Joe Mario <jmario@redhat.com>
  12  */
  13 #include <errno.h>
  14 #include <inttypes.h>
  15 #include <linux/compiler.h>
  16 #include <linux/kernel.h>
  17 #include <linux/stringify.h>
  18 #include <asm/bug.h>
  19 #include <sys/param.h>
  20 #include "util.h"
  21 #include "debug.h"
  22 #include "builtin.h"
  23 #include <subcmd/parse-options.h>
  24 #include "mem-events.h"
  25 #include "session.h"
  26 #include "hist.h"
  27 #include "sort.h"
  28 #include "tool.h"
  29 #include "data.h"
  30 #include "event.h"
  31 #include "evlist.h"
  32 #include "evsel.h"
  33 #include "ui/browsers/hists.h"
  34 #include "thread.h"
  35 #include "mem2node.h"
  36
  37 struct c2c_hists {
  38         struct hists            hists;
  39         struct perf_hpp_list    list;
  40         struct c2c_stats        stats;
  41 };
  42
  43 struct compute_stats {
  44         struct stats             lcl_hitm;
  45         struct stats             rmt_hitm;
  46         struct stats             load;
  47 };
  48
  49 struct c2c_hist_entry {
  50         struct c2c_hists        *hists;
  51         struct c2c_stats         stats;
  52         unsigned long           *cpuset;
  53         unsigned long           *nodeset;
  54         struct c2c_stats        *node_stats;
  55         unsigned int             cacheline_idx;
  56
  57         struct compute_stats     cstats;
  58
  59         unsigned long            paddr;
  60         unsigned long            paddr_cnt;
  61         bool                     paddr_zero;
  62         char                    *nodestr;
  63
  64         /*
  65          * must be at the end,
  66          * because of its callchain dynamic entry
  67          */
  68         struct hist_entry       he;
  69 };
  70
  71 static char const *coalesce_default = "pid,iaddr";
  72
  73 struct perf_c2c {
  74         struct perf_tool        tool;
  75         struct c2c_hists        hists;
  76         struct mem2node         mem2node;
  77
  78         unsigned long           **nodes;
  79         int                      nodes_cnt;
  80         int                      cpus_cnt;
  81         int                     *cpu2node;
  82         int                      node_info;
  83
  84         bool                     show_src;
  85         bool                     show_all;
  86         bool                     use_stdio;
  87         bool                     stats_only;
  88         bool                     symbol_full;
  89
  90         /* HITM shared clines stats */
  91         struct c2c_stats        hitm_stats;
  92         int                     shared_clines;
  93
  94         int                      display;
  95
  96         const char              *coalesce;
  97         char                    *cl_sort;
  98         char                    *cl_resort;
  99         char                    *cl_output;
 100 };
 101
 102 enum {
 103         DISPLAY_LCL,
 104         DISPLAY_RMT,
 105         DISPLAY_TOT,
 106         DISPLAY_MAX,
 107 };
 108
 109 static const char *display_str[DISPLAY_MAX] = {
 110         [DISPLAY_LCL] = "Local",
 111         [DISPLAY_RMT] = "Remote",
 112         [DISPLAY_TOT] = "Total",
 113 };
 114
 115 static const struct option c2c_options[] = {
 116         OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
 117         OPT_END()
 118 };
 119
 120 static struct perf_c2c c2c;
 121
 122 static void *c2c_he_zalloc(size_t size)
 123 {
 124         struct c2c_hist_entry *c2c_he;
 125
 126         c2c_he = zalloc(size + sizeof(*c2c_he));
 127         if (!c2c_he)
 128                 return NULL;
 129
 130         c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
 131         if (!c2c_he->cpuset)
 132                 return NULL;
 133
 134         c2c_he->nodeset = bitmap_alloc(c2c.nodes_cnt);
 135         if (!c2c_he->nodeset)
 136                 return NULL;
 137
 138         c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
 139         if (!c2c_he->node_stats)
 140                 return NULL;
 141
 142         init_stats(&c2c_he->cstats.lcl_hitm);
 143         init_stats(&c2c_he->cstats.rmt_hitm);
 144         init_stats(&c2c_he->cstats.load);
 145
 146         return &c2c_he->he;
 147 }
 148
 149 static void c2c_he_free(void *he)
 150 {
 151         struct c2c_hist_entry *c2c_he;
 152
 153         c2c_he = container_of(he, struct c2c_hist_entry, he);
 154         if (c2c_he->hists) {
 155                 hists__delete_entries(&c2c_he->hists->hists);
 156                 free(c2c_he->hists);
 157         }
 158
 159         free(c2c_he->cpuset);
 160         free(c2c_he->nodeset);
 161         free(c2c_he->nodestr);
 162         free(c2c_he->node_stats);
 163         free(c2c_he);
 164 }
 165
 166 static struct hist_entry_ops c2c_entry_ops = {
 167         .new    = c2c_he_zalloc,
 168         .free   = c2c_he_free,
 169 };
 170
 171 static int c2c_hists__init(struct c2c_hists *hists,
 172                            const char *sort,
 173                            int nr_header_lines);
 174
 175 static struct c2c_hists*
 176 he__get_c2c_hists(struct hist_entry *he,
 177                   const char *sort,
 178                   int nr_header_lines)
 179 {
 180         struct c2c_hist_entry *c2c_he;
 181         struct c2c_hists *hists;
 182         int ret;
 183
 184         c2c_he = container_of(he, struct c2c_hist_entry, he);
 185         if (c2c_he->hists)
 186                 return c2c_he->hists;
 187
 188         hists = c2c_he->hists = zalloc(sizeof(*hists));
 189         if (!hists)
 190                 return NULL;
 191
 192         ret = c2c_hists__init(hists, sort, nr_header_lines);
 193         if (ret) {
 194                 free(hists);
 195                 return NULL;
 196         }
 197
 198         return hists;
 199 }
 200
 201 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
 202                             struct perf_sample *sample)
 203 {
 204         if (WARN_ONCE(sample->cpu == (unsigned int) -1,
 205                       "WARNING: no sample cpu value"))
 206                 return;
 207
 208         set_bit(sample->cpu, c2c_he->cpuset);
 209 }
 210
 211 static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
 212                              struct perf_sample *sample)
 213 {
 214         int node;
 215
 216         if (!sample->phys_addr) {
 217                 c2c_he->paddr_zero = true;
 218                 return;
 219         }
 220
 221         node = mem2node__node(&c2c.mem2node, sample->phys_addr);
 222         if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
 223                 return;
 224
 225         set_bit(node, c2c_he->nodeset);
 226
 227         if (c2c_he->paddr != sample->phys_addr) {
 228                 c2c_he->paddr_cnt++;
 229                 c2c_he->paddr = sample->phys_addr;
 230         }
 231 }
 232
 233 static void compute_stats(struct c2c_hist_entry *c2c_he,
 234                           struct c2c_stats *stats,
 235                           u64 weight)
 236 {
 237         struct compute_stats *cstats = &c2c_he->cstats;
 238
 239         if (stats->rmt_hitm)
 240                 update_stats(&cstats->rmt_hitm, weight);
 241         else if (stats->lcl_hitm)
 242                 update_stats(&cstats->lcl_hitm, weight);
 243         else if (stats->load)
 244                 update_stats(&cstats->load, weight);
 245 }
 246
 247 static int process_sample_event(struct perf_tool *tool __maybe_unused,
 248                                 union perf_event *event,
 249                                 struct perf_sample *sample,
 250                                 struct perf_evsel *evsel,
 251                                 struct machine *machine)
 252 {
 253         struct c2c_hists *c2c_hists = &c2c.hists;
 254         struct c2c_hist_entry *c2c_he;
 255         struct c2c_stats stats = { .nr_entries = 0, };
 256         struct hist_entry *he;
 257         struct addr_location al;
 258         struct mem_info *mi, *mi_dup;
 259         int ret;
 260
 261         if (machine__resolve(machine, &al, sample) < 0) {
 262                 pr_debug("problem processing %d event, skipping it.\n",
 263                          event->header.type);
 264                 return -1;
 265         }
 266
 267         ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
 268                                         evsel, &al, sysctl_perf_event_max_stack);
 269         if (ret)
 270                 goto out;
 271
 272         mi = sample__resolve_mem(sample, &al);
 273         if (mi == NULL)
 274                 return -ENOMEM;
 275
 276         /*
 277          * The mi object is released in hists__add_entry_ops,
 278          * if it gets sorted out into existing data, so we need
 279          * to take the copy now.
 280          */
 281         mi_dup = mem_info__get(mi);
 282
 283         c2c_decode_stats(&stats, mi);
 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;
 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
 295         c2c_he__set_cpu(c2c_he, sample);
 296         c2c_he__set_node(c2c_he, sample);
 297
 298         hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 299         ret = hist_entry__append_callchain(he, sample);
 300
 301         if (!ret) {
 302                 /*
 303                  * There's already been warning about missing
 304                  * sample's cpu value. Let's account all to
 305                  * node 0 in this case, without any further
 306                  * warning.
 307                  *
 308                  * Doing node stats only for single callchain data.
 309                  */
 310                 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
 311                 int node = c2c.cpu2node[cpu];
 312
 313                 mi = mi_dup;
 314
 315                 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
 316                 if (!c2c_hists)
 317                         goto free_mi;
 318
 319                 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 320                                           &al, NULL, NULL, mi,
 321                                           sample, true);
 322                 if (he == NULL)
 323                         goto free_mi;
 324
 325                 c2c_he = container_of(he, struct c2c_hist_entry, he);
 326                 c2c_add_stats(&c2c_he->stats, &stats);
 327                 c2c_add_stats(&c2c_hists->stats, &stats);
 328                 c2c_add_stats(&c2c_he->node_stats[node], &stats);
 329
 330                 compute_stats(c2c_he, &stats, sample->weight);
 331
 332                 c2c_he__set_cpu(c2c_he, sample);
 333                 c2c_he__set_node(c2c_he, sample);
 334
 335                 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 336                 ret = hist_entry__append_callchain(he, sample);
 337         }
 338
 339 out:
 340         addr_location__put(&al);
 341         return ret;
 342
 343 free_mi:
 344         mem_info__put(mi_dup);
 345         mem_info__put(mi);
 346         ret = -ENOMEM;
 347         goto out;
 348 }
 349
 350 static struct perf_c2c c2c = {
 351         .tool = {
 352                 .sample         = process_sample_event,
 353                 .mmap           = perf_event__process_mmap,
 354                 .mmap2          = perf_event__process_mmap2,
 355                 .comm           = perf_event__process_comm,
 356                 .exit           = perf_event__process_exit,
 357                 .fork           = perf_event__process_fork,
 358                 .lost           = perf_event__process_lost,
 359                 .ordered_events = true,
 360                 .ordering_requires_timestamps = true,
 361         },
 362 };
 363
 364 static const char * const c2c_usage[] = {
 365         "perf c2c {record|report}",
 366         NULL
 367 };
 368
 369 static const char * const __usage_report[] = {
 370         "perf c2c report",
 371         NULL
 372 };
 373
 374 static const char * const *report_c2c_usage = __usage_report;
 375
 376 #define C2C_HEADER_MAX 2
 377
 378 struct c2c_header {
 379         struct {
 380                 const char *text;
 381                 int         span;
 382         } line[C2C_HEADER_MAX];
 383 };
 384
 385 struct c2c_dimension {
 386         struct c2c_header        header;
 387         const char              *name;
 388         int                      width;
 389         struct sort_entry       *se;
 390
 391         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 392                        struct hist_entry *, struct hist_entry *);
 393         int   (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 394                        struct hist_entry *he);
 395         int   (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 396                        struct hist_entry *he);
 397 };
 398
 399 struct c2c_fmt {
 400         struct perf_hpp_fmt      fmt;
 401         struct c2c_dimension    *dim;
 402 };
 403
 404 #define SYMBOL_WIDTH 30
 405
 406 static struct c2c_dimension dim_symbol;
 407 static struct c2c_dimension dim_srcline;
 408
 409 static int symbol_width(struct hists *hists, struct sort_entry *se)
 410 {
 411         int width = hists__col_len(hists, se->se_width_idx);
 412
 413         if (!c2c.symbol_full)
 414                 width = MIN(width, SYMBOL_WIDTH);
 415
 416         return width;
 417 }
 418
 419 static int c2c_width(struct perf_hpp_fmt *fmt,
 420                      struct perf_hpp *hpp __maybe_unused,
 421                      struct hists *hists)
 422 {
 423         struct c2c_fmt *c2c_fmt;
 424         struct c2c_dimension *dim;
 425
 426         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 427         dim = c2c_fmt->dim;
 428
 429         if (dim == &dim_symbol || dim == &dim_srcline)
 430                 return symbol_width(hists, dim->se);
 431
 432         return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
 433                          c2c_fmt->dim->width;
 434 }
 435
 436 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 437                       struct hists *hists, int line, int *span)
 438 {
 439         struct perf_hpp_list *hpp_list = hists->hpp_list;
 440         struct c2c_fmt *c2c_fmt;
 441         struct c2c_dimension *dim;
 442         const char *text = NULL;
 443         int width = c2c_width(fmt, hpp, hists);
 444
 445         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 446         dim = c2c_fmt->dim;
 447
 448         if (dim->se) {
 449                 text = dim->header.line[line].text;
 450                 /* Use the last line from sort_entry if not defined. */
 451                 if (!text && (line == hpp_list->nr_header_lines - 1))
 452                         text = dim->se->se_header;
 453         } else {
 454                 text = dim->header.line[line].text;
 455
 456                 if (*span) {
 457                         (*span)--;
 458                         return 0;
 459                 } else {
 460                         *span = dim->header.line[line].span;
 461                 }
 462         }
 463
 464         if (text == NULL)
 465                 text = "";
 466
 467         return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
 468 }
 469
 470 #define HEX_STR(__s, __v)                               \
 471 ({                                                      \
 472         scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
 473         __s;                                            \
 474 })
 475
 476 static int64_t
 477 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 478                struct hist_entry *left, struct hist_entry *right)
 479 {
 480         return sort__dcacheline_cmp(left, right);
 481 }
 482
 483 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 484                             struct hist_entry *he)
 485 {
 486         uint64_t addr = 0;
 487         int width = c2c_width(fmt, hpp, he->hists);
 488         char buf[20];
 489
 490         if (he->mem_info)
 491                 addr = cl_address(he->mem_info->daddr.addr);
 492
 493         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 494 }
 495
 496 static int
 497 dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 498                       struct hist_entry *he)
 499 {
 500         struct c2c_hist_entry *c2c_he;
 501         int width = c2c_width(fmt, hpp, he->hists);
 502
 503         c2c_he = container_of(he, struct c2c_hist_entry, he);
 504         if (WARN_ON_ONCE(!c2c_he->nodestr))
 505                 return 0;
 506
 507         return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
 508 }
 509
 510 static int
 511 dcacheline_node_count(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
 517         c2c_he = container_of(he, struct c2c_hist_entry, he);
 518         return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
 519 }
 520
 521 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 522                         struct hist_entry *he)
 523 {
 524         uint64_t addr = 0;
 525         int width = c2c_width(fmt, hpp, he->hists);
 526         char buf[20];
 527
 528         if (he->mem_info)
 529                 addr = cl_offset(he->mem_info->daddr.al_addr);
 530
 531         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 532 }
 533
 534 static int64_t
 535 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 536            struct hist_entry *left, struct hist_entry *right)
 537 {
 538         uint64_t l = 0, r = 0;
 539
 540         if (left->mem_info)
 541                 l = cl_offset(left->mem_info->daddr.addr);
 542         if (right->mem_info)
 543                 r = cl_offset(right->mem_info->daddr.addr);
 544
 545         return (int64_t)(r - l);
 546 }
 547
 548 static int
 549 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 550             struct hist_entry *he)
 551 {
 552         uint64_t addr = 0;
 553         int width = c2c_width(fmt, hpp, he->hists);
 554         char buf[20];
 555
 556         if (he->mem_info)
 557                 addr = he->mem_info->iaddr.addr;
 558
 559         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 560 }
 561
 562 static int64_t
 563 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 564           struct hist_entry *left, struct hist_entry *right)
 565 {
 566         return sort__iaddr_cmp(left, right);
 567 }
 568
 569 static int
 570 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 571                struct hist_entry *he)
 572 {
 573         struct c2c_hist_entry *c2c_he;
 574         int width = c2c_width(fmt, hpp, he->hists);
 575         unsigned int tot_hitm;
 576
 577         c2c_he = container_of(he, struct c2c_hist_entry, he);
 578         tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
 579
 580         return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
 581 }
 582
 583 static int64_t
 584 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 585              struct hist_entry *left, struct hist_entry *right)
 586 {
 587         struct c2c_hist_entry *c2c_left;
 588         struct c2c_hist_entry *c2c_right;
 589         unsigned int tot_hitm_left;
 590         unsigned int tot_hitm_right;
 591
 592         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 593         c2c_right = container_of(right, struct c2c_hist_entry, he);
 594
 595         tot_hitm_left  = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
 596         tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
 597
 598         return tot_hitm_left - tot_hitm_right;
 599 }
 600
 601 #define STAT_FN_ENTRY(__f)                                      \
 602 static int                                                      \
 603 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,   \
 604               struct hist_entry *he)                            \
 605 {                                                               \
 606         struct c2c_hist_entry *c2c_he;                          \
 607         int width = c2c_width(fmt, hpp, he->hists);             \
 608                                                                 \
 609         c2c_he = container_of(he, struct c2c_hist_entry, he);   \
 610         return scnprintf(hpp->buf, hpp->size, "%*u", width,     \
 611                          c2c_he->stats.__f);                    \
 612 }
 613
 614 #define STAT_FN_CMP(__f)                                                \
 615 static int64_t                                                          \
 616 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused,                    \
 617             struct hist_entry *left, struct hist_entry *right)          \
 618 {                                                                       \
 619         struct c2c_hist_entry *c2c_left, *c2c_right;                    \
 620                                                                         \
 621         c2c_left  = container_of(left, struct c2c_hist_entry, he);      \
 622         c2c_right = container_of(right, struct c2c_hist_entry, he);     \
 623         return c2c_left->stats.__f - c2c_right->stats.__f;              \
 624 }
 625
 626 #define STAT_FN(__f)            \
 627         STAT_FN_ENTRY(__f)      \
 628         STAT_FN_CMP(__f)
 629
 630 STAT_FN(rmt_hitm)
 631 STAT_FN(lcl_hitm)
 632 STAT_FN(store)
 633 STAT_FN(st_l1hit)
 634 STAT_FN(st_l1miss)
 635 STAT_FN(ld_fbhit)
 636 STAT_FN(ld_l1hit)
 637 STAT_FN(ld_l2hit)
 638 STAT_FN(ld_llchit)
 639 STAT_FN(rmt_hit)
 640
 641 static uint64_t llc_miss(struct c2c_stats *stats)
 642 {
 643         uint64_t llcmiss;
 644
 645         llcmiss = stats->lcl_dram +
 646                   stats->rmt_dram +
 647                   stats->rmt_hitm +
 648                   stats->rmt_hit;
 649
 650         return llcmiss;
 651 }
 652
 653 static int
 654 ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 655                  struct hist_entry *he)
 656 {
 657         struct c2c_hist_entry *c2c_he;
 658         int width = c2c_width(fmt, hpp, he->hists);
 659
 660         c2c_he = container_of(he, struct c2c_hist_entry, he);
 661
 662         return scnprintf(hpp->buf, hpp->size, "%*lu", width,
 663                          llc_miss(&c2c_he->stats));
 664 }
 665
 666 static int64_t
 667 ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 668                struct hist_entry *left, struct hist_entry *right)
 669 {
 670         struct c2c_hist_entry *c2c_left;
 671         struct c2c_hist_entry *c2c_right;
 672
 673         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 674         c2c_right = container_of(right, struct c2c_hist_entry, he);
 675
 676         return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
 677 }
 678
 679 static uint64_t total_records(struct c2c_stats *stats)
 680 {
 681         uint64_t lclmiss, ldcnt, total;
 682
 683         lclmiss  = stats->lcl_dram +
 684                    stats->rmt_dram +
 685                    stats->rmt_hitm +
 686                    stats->rmt_hit;
 687
 688         ldcnt    = lclmiss +
 689                    stats->ld_fbhit +
 690                    stats->ld_l1hit +
 691                    stats->ld_l2hit +
 692                    stats->ld_llchit +
 693                    stats->lcl_hitm;
 694
 695         total    = ldcnt +
 696                    stats->st_l1hit +
 697                    stats->st_l1miss;
 698
 699         return total;
 700 }
 701
 702 static int
 703 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 704                 struct hist_entry *he)
 705 {
 706         struct c2c_hist_entry *c2c_he;
 707         int width = c2c_width(fmt, hpp, he->hists);
 708         uint64_t tot_recs;
 709
 710         c2c_he = container_of(he, struct c2c_hist_entry, he);
 711         tot_recs = total_records(&c2c_he->stats);
 712
 713         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 714 }
 715
 716 static int64_t
 717 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 718              struct hist_entry *left, struct hist_entry *right)
 719 {
 720         struct c2c_hist_entry *c2c_left;
 721         struct c2c_hist_entry *c2c_right;
 722         uint64_t tot_recs_left;
 723         uint64_t tot_recs_right;
 724
 725         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 726         c2c_right = container_of(right, struct c2c_hist_entry, he);
 727
 728         tot_recs_left  = total_records(&c2c_left->stats);
 729         tot_recs_right = total_records(&c2c_right->stats);
 730
 731         return tot_recs_left - tot_recs_right;
 732 }
 733
 734 static uint64_t total_loads(struct c2c_stats *stats)
 735 {
 736         uint64_t lclmiss, ldcnt;
 737
 738         lclmiss  = stats->lcl_dram +
 739                    stats->rmt_dram +
 740                    stats->rmt_hitm +
 741                    stats->rmt_hit;
 742
 743         ldcnt    = lclmiss +
 744                    stats->ld_fbhit +
 745                    stats->ld_l1hit +
 746                    stats->ld_l2hit +
 747                    stats->ld_llchit +
 748                    stats->lcl_hitm;
 749
 750         return ldcnt;
 751 }
 752
 753 static int
 754 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 755                 struct hist_entry *he)
 756 {
 757         struct c2c_hist_entry *c2c_he;
 758         int width = c2c_width(fmt, hpp, he->hists);
 759         uint64_t tot_recs;
 760
 761         c2c_he = container_of(he, struct c2c_hist_entry, he);
 762         tot_recs = total_loads(&c2c_he->stats);
 763
 764         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 765 }
 766
 767 static int64_t
 768 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 769               struct hist_entry *left, struct hist_entry *right)
 770 {
 771         struct c2c_hist_entry *c2c_left;
 772         struct c2c_hist_entry *c2c_right;
 773         uint64_t tot_recs_left;
 774         uint64_t tot_recs_right;
 775
 776         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 777         c2c_right = container_of(right, struct c2c_hist_entry, he);
 778
 779         tot_recs_left  = total_loads(&c2c_left->stats);
 780         tot_recs_right = total_loads(&c2c_right->stats);
 781
 782         return tot_recs_left - tot_recs_right;
 783 }
 784
 785 typedef double (get_percent_cb)(struct c2c_hist_entry *);
 786
 787 static int
 788 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 789               struct hist_entry *he, get_percent_cb get_percent)
 790 {
 791         struct c2c_hist_entry *c2c_he;
 792         int width = c2c_width(fmt, hpp, he->hists);
 793         double per;
 794
 795         c2c_he = container_of(he, struct c2c_hist_entry, he);
 796         per = get_percent(c2c_he);
 797
 798 #ifdef HAVE_SLANG_SUPPORT
 799         if (use_browser)
 800                 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
 801 #endif
 802         return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
 803 }
 804
 805 static double percent_hitm(struct c2c_hist_entry *c2c_he)
 806 {
 807         struct c2c_hists *hists;
 808         struct c2c_stats *stats;
 809         struct c2c_stats *total;
 810         int tot = 0, st = 0;
 811         double p;
 812
 813         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
 814         stats = &c2c_he->stats;
 815         total = &hists->stats;
 816
 817         switch (c2c.display) {
 818         case DISPLAY_RMT:
 819                 st  = stats->rmt_hitm;
 820                 tot = total->rmt_hitm;
 821                 break;
 822         case DISPLAY_LCL:
 823                 st  = stats->lcl_hitm;
 824                 tot = total->lcl_hitm;
 825                 break;
 826         case DISPLAY_TOT:
 827                 st  = stats->tot_hitm;
 828                 tot = total->tot_hitm;
 829         default:
 830                 break;
 831         }
 832
 833         p = tot ? (double) st / tot : 0;
 834
 835         return 100 * p;
 836 }
 837
 838 #define PERC_STR(__s, __v)                              \
 839 ({                                                      \
 840         scnprintf(__s, sizeof(__s), "%.2F%%", __v);     \
 841         __s;                                            \
 842 })
 843
 844 static int
 845 percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 846                    struct hist_entry *he)
 847 {
 848         struct c2c_hist_entry *c2c_he;
 849         int width = c2c_width(fmt, hpp, he->hists);
 850         char buf[10];
 851         double per;
 852
 853         c2c_he = container_of(he, struct c2c_hist_entry, he);
 854         per = percent_hitm(c2c_he);
 855         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 856 }
 857
 858 static int
 859 percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 860                    struct hist_entry *he)
 861 {
 862         return percent_color(fmt, hpp, he, percent_hitm);
 863 }
 864
 865 static int64_t
 866 percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 867                  struct hist_entry *left, struct hist_entry *right)
 868 {
 869         struct c2c_hist_entry *c2c_left;
 870         struct c2c_hist_entry *c2c_right;
 871         double per_left;
 872         double per_right;
 873
 874         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 875         c2c_right = container_of(right, struct c2c_hist_entry, he);
 876
 877         per_left  = percent_hitm(c2c_left);
 878         per_right = percent_hitm(c2c_right);
 879
 880         return per_left - per_right;
 881 }
 882
 883 static struct c2c_stats *he_stats(struct hist_entry *he)
 884 {
 885         struct c2c_hist_entry *c2c_he;
 886
 887         c2c_he = container_of(he, struct c2c_hist_entry, he);
 888         return &c2c_he->stats;
 889 }
 890
 891 static struct c2c_stats *total_stats(struct hist_entry *he)
 892 {
 893         struct c2c_hists *hists;
 894
 895         hists = container_of(he->hists, struct c2c_hists, hists);
 896         return &hists->stats;
 897 }
 898
 899 static double percent(int st, int tot)
 900 {
 901         return tot ? 100. * (double) st / (double) tot : 0;
 902 }
 903
 904 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
 905
 906 #define PERCENT_FN(__f)                                                         \
 907 static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                    \
 908 {                                                                               \
 909         struct c2c_hists *hists;                                                \
 910                                                                                 \
 911         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
 912         return percent(c2c_he->stats.__f, hists->stats.__f);                    \
 913 }
 914
 915 PERCENT_FN(rmt_hitm)
 916 PERCENT_FN(lcl_hitm)
 917 PERCENT_FN(st_l1hit)
 918 PERCENT_FN(st_l1miss)
 919
 920 static int
 921 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 922                        struct hist_entry *he)
 923 {
 924         int width = c2c_width(fmt, hpp, he->hists);
 925         double per = PERCENT(he, rmt_hitm);
 926         char buf[10];
 927
 928         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 929 }
 930
 931 static int
 932 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 933                        struct hist_entry *he)
 934 {
 935         return percent_color(fmt, hpp, he, percent_rmt_hitm);
 936 }
 937
 938 static int64_t
 939 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 940                      struct hist_entry *left, struct hist_entry *right)
 941 {
 942         double per_left;
 943         double per_right;
 944
 945         per_left  = PERCENT(left, lcl_hitm);
 946         per_right = PERCENT(right, lcl_hitm);
 947
 948         return per_left - per_right;
 949 }
 950
 951 static int
 952 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 953                        struct hist_entry *he)
 954 {
 955         int width = c2c_width(fmt, hpp, he->hists);
 956         double per = PERCENT(he, lcl_hitm);
 957         char buf[10];
 958
 959         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 960 }
 961
 962 static int
 963 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 964                        struct hist_entry *he)
 965 {
 966         return percent_color(fmt, hpp, he, percent_lcl_hitm);
 967 }
 968
 969 static int64_t
 970 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 971                      struct hist_entry *left, struct hist_entry *right)
 972 {
 973         double per_left;
 974         double per_right;
 975
 976         per_left  = PERCENT(left, lcl_hitm);
 977         per_right = PERCENT(right, lcl_hitm);
 978
 979         return per_left - per_right;
 980 }
 981
 982 static int
 983 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 984                            struct hist_entry *he)
 985 {
 986         int width = c2c_width(fmt, hpp, he->hists);
 987         double per = PERCENT(he, st_l1hit);
 988         char buf[10];
 989
 990         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 991 }
 992
 993 static int
 994 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 995                            struct hist_entry *he)
 996 {
 997         return percent_color(fmt, hpp, he, percent_st_l1hit);
 998 }
 999
1000 static int64_t
1001 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1002                         struct hist_entry *left, struct hist_entry *right)
1003 {
1004         double per_left;
1005         double per_right;
1006
1007         per_left  = PERCENT(left, st_l1hit);
1008         per_right = PERCENT(right, st_l1hit);
1009
1010         return per_left - per_right;
1011 }
1012
1013 static int
1014 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1015                            struct hist_entry *he)
1016 {
1017         int width = c2c_width(fmt, hpp, he->hists);
1018         double per = PERCENT(he, st_l1miss);
1019         char buf[10];
1020
1021         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1022 }
1023
1024 static int
1025 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1026                             struct hist_entry *he)
1027 {
1028         return percent_color(fmt, hpp, he, percent_st_l1miss);
1029 }
1030
1031 static int64_t
1032 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1033                           struct hist_entry *left, struct hist_entry *right)
1034 {
1035         double per_left;
1036         double per_right;
1037
1038         per_left  = PERCENT(left, st_l1miss);
1039         per_right = PERCENT(right, st_l1miss);
1040
1041         return per_left - per_right;
1042 }
1043
1044 STAT_FN(lcl_dram)
1045 STAT_FN(rmt_dram)
1046
1047 static int
1048 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1049           struct hist_entry *he)
1050 {
1051         int width = c2c_width(fmt, hpp, he->hists);
1052
1053         return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
1054 }
1055
1056 static int64_t
1057 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1058         struct hist_entry *left, struct hist_entry *right)
1059 {
1060         return left->thread->pid_ - right->thread->pid_;
1061 }
1062
1063 static int64_t
1064 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1065           struct hist_entry *left __maybe_unused,
1066           struct hist_entry *right __maybe_unused)
1067 {
1068         return 0;
1069 }
1070
1071 static int
1072 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1073            struct hist_entry *he)
1074 {
1075         struct c2c_hist_entry *c2c_he;
1076         bool first = true;
1077         int node;
1078         int ret = 0;
1079
1080         c2c_he = container_of(he, struct c2c_hist_entry, he);
1081
1082         for (node = 0; node < c2c.nodes_cnt; node++) {
1083                 DECLARE_BITMAP(set, c2c.cpus_cnt);
1084
1085                 bitmap_zero(set, c2c.cpus_cnt);
1086                 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1087
1088                 if (!bitmap_weight(set, c2c.cpus_cnt)) {
1089                         if (c2c.node_info == 1) {
1090                                 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1091                                 advance_hpp(hpp, ret);
1092                         }
1093                         continue;
1094                 }
1095
1096                 if (!first) {
1097                         ret = scnprintf(hpp->buf, hpp->size, " ");
1098                         advance_hpp(hpp, ret);
1099                 }
1100
1101                 switch (c2c.node_info) {
1102                 case 0:
1103                         ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1104                         advance_hpp(hpp, ret);
1105                         break;
1106                 case 1:
1107                 {
1108                         int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
1109                         struct c2c_stats *stats = &c2c_he->node_stats[node];
1110
1111                         ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1112                         advance_hpp(hpp, ret);
1113
1114                 #define DISPLAY_HITM(__h)                                               \
1115                         if (c2c_he->stats.__h> 0) {                                     \
1116                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",        \
1117                                                 percent(stats->__h, c2c_he->stats.__h));\
1118                         } else {                                                        \
1119                                 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");    \
1120                         }
1121
1122                         switch (c2c.display) {
1123                         case DISPLAY_RMT:
1124                                 DISPLAY_HITM(rmt_hitm);
1125                                 break;
1126                         case DISPLAY_LCL:
1127                                 DISPLAY_HITM(lcl_hitm);
1128                                 break;
1129                         case DISPLAY_TOT:
1130                                 DISPLAY_HITM(tot_hitm);
1131                         default:
1132                                 break;
1133                         }
1134
1135                 #undef DISPLAY_HITM
1136
1137                         advance_hpp(hpp, ret);
1138
1139                         if (c2c_he->stats.store > 0) {
1140                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1141                                                 percent(stats->store, c2c_he->stats.store));
1142                         } else {
1143                                 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1144                         }
1145
1146                         advance_hpp(hpp, ret);
1147                         break;
1148                 }
1149                 case 2:
1150                         ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1151                         advance_hpp(hpp, ret);
1152
1153                         ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1154                         advance_hpp(hpp, ret);
1155
1156                         ret = scnprintf(hpp->buf, hpp->size, "}");
1157                         advance_hpp(hpp, ret);
1158                         break;
1159                 default:
1160                         break;
1161                 }
1162
1163                 first = false;
1164         }
1165
1166         return 0;
1167 }
1168
1169 static int
1170 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1171            struct hist_entry *he, double mean)
1172 {
1173         int width = c2c_width(fmt, hpp, he->hists);
1174         char buf[10];
1175
1176         scnprintf(buf, 10, "%6.0f", mean);
1177         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1178 }
1179
1180 #define MEAN_ENTRY(__func, __val)                                               \
1181 static int                                                                      \
1182 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)   \
1183 {                                                                               \
1184         struct c2c_hist_entry *c2c_he;                                          \
1185         c2c_he = container_of(he, struct c2c_hist_entry, he);                   \
1186         return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val));      \
1187 }
1188
1189 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
1190 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
1191 MEAN_ENTRY(mean_load_entry, load);
1192
1193 static int
1194 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1195              struct hist_entry *he)
1196 {
1197         struct c2c_hist_entry *c2c_he;
1198         int width = c2c_width(fmt, hpp, he->hists);
1199         char buf[10];
1200
1201         c2c_he = container_of(he, struct c2c_hist_entry, he);
1202
1203         scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1204         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1205 }
1206
1207 static int
1208 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1209              struct hist_entry *he)
1210 {
1211         struct c2c_hist_entry *c2c_he;
1212         int width = c2c_width(fmt, hpp, he->hists);
1213         char buf[10];
1214
1215         c2c_he = container_of(he, struct c2c_hist_entry, he);
1216
1217         scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1218         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1219 }
1220
1221 static int
1222 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1223                    struct hist_entry *he)
1224 {
1225         int width = c2c_width(fmt, hpp, he->hists);
1226
1227         return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1228 }
1229
1230 #define HEADER_LOW(__h)                 \
1231         {                               \
1232                 .line[1] = {            \
1233                         .text = __h,    \
1234                 },                      \
1235         }
1236
1237 #define HEADER_BOTH(__h0, __h1)         \
1238         {                               \
1239                 .line[0] = {            \
1240                         .text = __h0,   \
1241                 },                      \
1242                 .line[1] = {            \
1243                         .text = __h1,   \
1244                 },                      \
1245         }
1246
1247 #define HEADER_SPAN(__h0, __h1, __s)    \
1248         {                               \
1249                 .line[0] = {            \
1250                         .text = __h0,   \
1251                         .span = __s,    \
1252                 },                      \
1253                 .line[1] = {            \
1254                         .text = __h1,   \
1255                 },                      \
1256         }
1257
1258 #define HEADER_SPAN_LOW(__h)            \
1259         {                               \
1260                 .line[1] = {            \
1261                         .text = __h,    \
1262                 },                      \
1263         }
1264
1265 static struct c2c_dimension dim_dcacheline = {
1266         .header         = HEADER_SPAN("--- Cacheline ----", "Address", 2),
1267         .name           = "dcacheline",
1268         .cmp            = dcacheline_cmp,
1269         .entry          = dcacheline_entry,
1270         .width          = 18,
1271 };
1272
1273 static struct c2c_dimension dim_dcacheline_node = {
1274         .header         = HEADER_LOW("Node"),
1275         .name           = "dcacheline_node",
1276         .cmp            = empty_cmp,
1277         .entry          = dcacheline_node_entry,
1278         .width          = 4,
1279 };
1280
1281 static struct c2c_dimension dim_dcacheline_count = {
1282         .header         = HEADER_LOW("PA cnt"),
1283         .name           = "dcacheline_count",
1284         .cmp            = empty_cmp,
1285         .entry          = dcacheline_node_count,
1286         .width          = 6,
1287 };
1288
1289 static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1290
1291 static struct c2c_dimension dim_offset = {
1292         .header         = HEADER_SPAN("--- Data address -", "Offset", 2),
1293         .name           = "offset",
1294         .cmp            = offset_cmp,
1295         .entry          = offset_entry,
1296         .width          = 18,
1297 };
1298
1299 static struct c2c_dimension dim_offset_node = {
1300         .header         = HEADER_LOW("Node"),
1301         .name           = "offset_node",
1302         .cmp            = empty_cmp,
1303         .entry          = dcacheline_node_entry,
1304         .width          = 4,
1305 };
1306
1307 static struct c2c_dimension dim_iaddr = {
1308         .header         = HEADER_LOW("Code address"),
1309         .name           = "iaddr",
1310         .cmp            = iaddr_cmp,
1311         .entry          = iaddr_entry,
1312         .width          = 18,
1313 };
1314
1315 static struct c2c_dimension dim_tot_hitm = {
1316         .header         = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1317         .name           = "tot_hitm",
1318         .cmp            = tot_hitm_cmp,
1319         .entry          = tot_hitm_entry,
1320         .width          = 7,
1321 };
1322
1323 static struct c2c_dimension dim_lcl_hitm = {
1324         .header         = HEADER_SPAN_LOW("Lcl"),
1325         .name           = "lcl_hitm",
1326         .cmp            = lcl_hitm_cmp,
1327         .entry          = lcl_hitm_entry,
1328         .width          = 7,
1329 };
1330
1331 static struct c2c_dimension dim_rmt_hitm = {
1332         .header         = HEADER_SPAN_LOW("Rmt"),
1333         .name           = "rmt_hitm",
1334         .cmp            = rmt_hitm_cmp,
1335         .entry          = rmt_hitm_entry,
1336         .width          = 7,
1337 };
1338
1339 static struct c2c_dimension dim_cl_rmt_hitm = {
1340         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1341         .name           = "cl_rmt_hitm",
1342         .cmp            = rmt_hitm_cmp,
1343         .entry          = rmt_hitm_entry,
1344         .width          = 7,
1345 };
1346
1347 static struct c2c_dimension dim_cl_lcl_hitm = {
1348         .header         = HEADER_SPAN_LOW("Lcl"),
1349         .name           = "cl_lcl_hitm",
1350         .cmp            = lcl_hitm_cmp,
1351         .entry          = lcl_hitm_entry,
1352         .width          = 7,
1353 };
1354
1355 static struct c2c_dimension dim_stores = {
1356         .header         = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1357         .name           = "stores",
1358         .cmp            = store_cmp,
1359         .entry          = store_entry,
1360         .width          = 7,
1361 };
1362
1363 static struct c2c_dimension dim_stores_l1hit = {
1364         .header         = HEADER_SPAN_LOW("L1Hit"),
1365         .name           = "stores_l1hit",
1366         .cmp            = st_l1hit_cmp,
1367         .entry          = st_l1hit_entry,
1368         .width          = 7,
1369 };
1370
1371 static struct c2c_dimension dim_stores_l1miss = {
1372         .header         = HEADER_SPAN_LOW("L1Miss"),
1373         .name           = "stores_l1miss",
1374         .cmp            = st_l1miss_cmp,
1375         .entry          = st_l1miss_entry,
1376         .width          = 7,
1377 };
1378
1379 static struct c2c_dimension dim_cl_stores_l1hit = {
1380         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1381         .name           = "cl_stores_l1hit",
1382         .cmp            = st_l1hit_cmp,
1383         .entry          = st_l1hit_entry,
1384         .width          = 7,
1385 };
1386
1387 static struct c2c_dimension dim_cl_stores_l1miss = {
1388         .header         = HEADER_SPAN_LOW("L1 Miss"),
1389         .name           = "cl_stores_l1miss",
1390         .cmp            = st_l1miss_cmp,
1391         .entry          = st_l1miss_entry,
1392         .width          = 7,
1393 };
1394
1395 static struct c2c_dimension dim_ld_fbhit = {
1396         .header         = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1397         .name           = "ld_fbhit",
1398         .cmp            = ld_fbhit_cmp,
1399         .entry          = ld_fbhit_entry,
1400         .width          = 7,
1401 };
1402
1403 static struct c2c_dimension dim_ld_l1hit = {
1404         .header         = HEADER_SPAN_LOW("L1"),
1405         .name           = "ld_l1hit",
1406         .cmp            = ld_l1hit_cmp,
1407         .entry          = ld_l1hit_entry,
1408         .width          = 7,
1409 };
1410
1411 static struct c2c_dimension dim_ld_l2hit = {
1412         .header         = HEADER_SPAN_LOW("L2"),
1413         .name           = "ld_l2hit",
1414         .cmp            = ld_l2hit_cmp,
1415         .entry          = ld_l2hit_entry,
1416         .width          = 7,
1417 };
1418
1419 static struct c2c_dimension dim_ld_llchit = {
1420         .header         = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1421         .name           = "ld_lclhit",
1422         .cmp            = ld_llchit_cmp,
1423         .entry          = ld_llchit_entry,
1424         .width          = 8,
1425 };
1426
1427 static struct c2c_dimension dim_ld_rmthit = {
1428         .header         = HEADER_SPAN_LOW("Rmt"),
1429         .name           = "ld_rmthit",
1430         .cmp            = rmt_hit_cmp,
1431         .entry          = rmt_hit_entry,
1432         .width          = 8,
1433 };
1434
1435 static struct c2c_dimension dim_ld_llcmiss = {
1436         .header         = HEADER_BOTH("LLC", "Ld Miss"),
1437         .name           = "ld_llcmiss",
1438         .cmp            = ld_llcmiss_cmp,
1439         .entry          = ld_llcmiss_entry,
1440         .width          = 7,
1441 };
1442
1443 static struct c2c_dimension dim_tot_recs = {
1444         .header         = HEADER_BOTH("Total", "records"),
1445         .name           = "tot_recs",
1446         .cmp            = tot_recs_cmp,
1447         .entry          = tot_recs_entry,
1448         .width          = 7,
1449 };
1450
1451 static struct c2c_dimension dim_tot_loads = {
1452         .header         = HEADER_BOTH("Total", "Loads"),
1453         .name           = "tot_loads",
1454         .cmp            = tot_loads_cmp,
1455         .entry          = tot_loads_entry,
1456         .width          = 7,
1457 };
1458
1459 static struct c2c_header percent_hitm_header[] = {
1460         [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
1461         [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
1462         [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
1463 };
1464
1465 static struct c2c_dimension dim_percent_hitm = {
1466         .name           = "percent_hitm",
1467         .cmp            = percent_hitm_cmp,
1468         .entry          = percent_hitm_entry,
1469         .color          = percent_hitm_color,
1470         .width          = 7,
1471 };
1472
1473 static struct c2c_dimension dim_percent_rmt_hitm = {
1474         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1475         .name           = "percent_rmt_hitm",
1476         .cmp            = percent_rmt_hitm_cmp,
1477         .entry          = percent_rmt_hitm_entry,
1478         .color          = percent_rmt_hitm_color,
1479         .width          = 7,
1480 };
1481
1482 static struct c2c_dimension dim_percent_lcl_hitm = {
1483         .header         = HEADER_SPAN_LOW("Lcl"),
1484         .name           = "percent_lcl_hitm",
1485         .cmp            = percent_lcl_hitm_cmp,
1486         .entry          = percent_lcl_hitm_entry,
1487         .color          = percent_lcl_hitm_color,
1488         .width          = 7,
1489 };
1490
1491 static struct c2c_dimension dim_percent_stores_l1hit = {
1492         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1493         .name           = "percent_stores_l1hit",
1494         .cmp            = percent_stores_l1hit_cmp,
1495         .entry          = percent_stores_l1hit_entry,
1496         .color          = percent_stores_l1hit_color,
1497         .width          = 7,
1498 };
1499
1500 static struct c2c_dimension dim_percent_stores_l1miss = {
1501         .header         = HEADER_SPAN_LOW("L1 Miss"),
1502         .name           = "percent_stores_l1miss",
1503         .cmp            = percent_stores_l1miss_cmp,
1504         .entry          = percent_stores_l1miss_entry,
1505         .color          = percent_stores_l1miss_color,
1506         .width          = 7,
1507 };
1508
1509 static struct c2c_dimension dim_dram_lcl = {
1510         .header         = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1511         .name           = "dram_lcl",
1512         .cmp            = lcl_dram_cmp,
1513         .entry          = lcl_dram_entry,
1514         .width          = 8,
1515 };
1516
1517 static struct c2c_dimension dim_dram_rmt = {
1518         .header         = HEADER_SPAN_LOW("Rmt"),
1519         .name           = "dram_rmt",
1520         .cmp            = rmt_dram_cmp,
1521         .entry          = rmt_dram_entry,
1522         .width          = 8,
1523 };
1524
1525 static struct c2c_dimension dim_pid = {
1526         .header         = HEADER_LOW("Pid"),
1527         .name           = "pid",
1528         .cmp            = pid_cmp,
1529         .entry          = pid_entry,
1530         .width          = 7,
1531 };
1532
1533 static struct c2c_dimension dim_tid = {
1534         .header         = HEADER_LOW("Tid"),
1535         .name           = "tid",
1536         .se             = &sort_thread,
1537 };
1538
1539 static struct c2c_dimension dim_symbol = {
1540         .name           = "symbol",
1541         .se             = &sort_sym,
1542 };
1543
1544 static struct c2c_dimension dim_dso = {
1545         .header         = HEADER_BOTH("Shared", "Object"),
1546         .name           = "dso",
1547         .se             = &sort_dso,
1548 };
1549
1550 static struct c2c_header header_node[3] = {
1551         HEADER_LOW("Node"),
1552         HEADER_LOW("Node{cpus %hitms %stores}"),
1553         HEADER_LOW("Node{cpu list}"),
1554 };
1555
1556 static struct c2c_dimension dim_node = {
1557         .name           = "node",
1558         .cmp            = empty_cmp,
1559         .entry          = node_entry,
1560         .width          = 4,
1561 };
1562
1563 static struct c2c_dimension dim_mean_rmt = {
1564         .header         = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1565         .name           = "mean_rmt",
1566         .cmp            = empty_cmp,
1567         .entry          = mean_rmt_entry,
1568         .width          = 8,
1569 };
1570
1571 static struct c2c_dimension dim_mean_lcl = {
1572         .header         = HEADER_SPAN_LOW("lcl hitm"),
1573         .name           = "mean_lcl",
1574         .cmp            = empty_cmp,
1575         .entry          = mean_lcl_entry,
1576         .width          = 8,
1577 };
1578
1579 static struct c2c_dimension dim_mean_load = {
1580         .header         = HEADER_SPAN_LOW("load"),
1581         .name           = "mean_load",
1582         .cmp            = empty_cmp,
1583         .entry          = mean_load_entry,
1584         .width          = 8,
1585 };
1586
1587 static struct c2c_dimension dim_cpucnt = {
1588         .header         = HEADER_BOTH("cpu", "cnt"),
1589         .name           = "cpucnt",
1590         .cmp            = empty_cmp,
1591         .entry          = cpucnt_entry,
1592         .width          = 8,
1593 };
1594
1595 static struct c2c_dimension dim_srcline = {
1596         .name           = "cl_srcline",
1597         .se             = &sort_srcline,
1598 };
1599
1600 static struct c2c_dimension dim_dcacheline_idx = {
1601         .header         = HEADER_LOW("Index"),
1602         .name           = "cl_idx",
1603         .cmp            = empty_cmp,
1604         .entry          = cl_idx_entry,
1605         .width          = 5,
1606 };
1607
1608 static struct c2c_dimension dim_dcacheline_num = {
1609         .header         = HEADER_LOW("Num"),
1610         .name           = "cl_num",
1611         .cmp            = empty_cmp,
1612         .entry          = cl_idx_entry,
1613         .width          = 5,
1614 };
1615
1616 static struct c2c_dimension dim_dcacheline_num_empty = {
1617         .header         = HEADER_LOW("Num"),
1618         .name           = "cl_num_empty",
1619         .cmp            = empty_cmp,
1620         .entry          = cl_idx_empty_entry,
1621         .width          = 5,
1622 };
1623
1624 static struct c2c_dimension *dimensions[] = {
1625         &dim_dcacheline,
1626         &dim_dcacheline_node,
1627         &dim_dcacheline_count,
1628         &dim_offset,
1629         &dim_offset_node,
1630         &dim_iaddr,
1631         &dim_tot_hitm,
1632         &dim_lcl_hitm,
1633         &dim_rmt_hitm,
1634         &dim_cl_lcl_hitm,
1635         &dim_cl_rmt_hitm,
1636         &dim_stores,
1637         &dim_stores_l1hit,
1638         &dim_stores_l1miss,
1639         &dim_cl_stores_l1hit,
1640         &dim_cl_stores_l1miss,
1641         &dim_ld_fbhit,
1642         &dim_ld_l1hit,
1643         &dim_ld_l2hit,
1644         &dim_ld_llchit,
1645         &dim_ld_rmthit,
1646         &dim_ld_llcmiss,
1647         &dim_tot_recs,
1648         &dim_tot_loads,
1649         &dim_percent_hitm,
1650         &dim_percent_rmt_hitm,
1651         &dim_percent_lcl_hitm,
1652         &dim_percent_stores_l1hit,
1653         &dim_percent_stores_l1miss,
1654         &dim_dram_lcl,
1655         &dim_dram_rmt,
1656         &dim_pid,
1657         &dim_tid,
1658         &dim_symbol,
1659         &dim_dso,
1660         &dim_node,
1661         &dim_mean_rmt,
1662         &dim_mean_lcl,
1663         &dim_mean_load,
1664         &dim_cpucnt,
1665         &dim_srcline,
1666         &dim_dcacheline_idx,
1667         &dim_dcacheline_num,
1668         &dim_dcacheline_num_empty,
1669         NULL,
1670 };
1671
1672 static void fmt_free(struct perf_hpp_fmt *fmt)
1673 {
1674         struct c2c_fmt *c2c_fmt;
1675
1676         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1677         free(c2c_fmt);
1678 }
1679
1680 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1681 {
1682         struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1683         struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1684
1685         return c2c_a->dim == c2c_b->dim;
1686 }
1687
1688 static struct c2c_dimension *get_dimension(const char *name)
1689 {
1690         unsigned int i;
1691
1692         for (i = 0; dimensions[i]; i++) {
1693                 struct c2c_dimension *dim = dimensions[i];
1694
1695                 if (!strcmp(dim->name, name))
1696                         return dim;
1697         };
1698
1699         return NULL;
1700 }
1701
1702 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1703                         struct hist_entry *he)
1704 {
1705         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1706         struct c2c_dimension *dim = c2c_fmt->dim;
1707         size_t len = fmt->user_len;
1708
1709         if (!len) {
1710                 len = hists__col_len(he->hists, dim->se->se_width_idx);
1711
1712                 if (dim == &dim_symbol || dim == &dim_srcline)
1713                         len = symbol_width(he->hists, dim->se);
1714         }
1715
1716         return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1717 }
1718
1719 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1720                           struct hist_entry *a, struct hist_entry *b)
1721 {
1722         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1723         struct c2c_dimension *dim = c2c_fmt->dim;
1724
1725         return dim->se->se_cmp(a, b);
1726 }
1727
1728 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1729                                struct hist_entry *a, struct hist_entry *b)
1730 {
1731         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1732         struct c2c_dimension *dim = c2c_fmt->dim;
1733         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1734
1735         collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1736         return collapse_fn(a, b);
1737 }
1738
1739 static struct c2c_fmt *get_format(const char *name)
1740 {
1741         struct c2c_dimension *dim = get_dimension(name);
1742         struct c2c_fmt *c2c_fmt;
1743         struct perf_hpp_fmt *fmt;
1744
1745         if (!dim)
1746                 return NULL;
1747
1748         c2c_fmt = zalloc(sizeof(*c2c_fmt));
1749         if (!c2c_fmt)
1750                 return NULL;
1751
1752         c2c_fmt->dim = dim;
1753
1754         fmt = &c2c_fmt->fmt;
1755         INIT_LIST_HEAD(&fmt->list);
1756         INIT_LIST_HEAD(&fmt->sort_list);
1757
1758         fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
1759         fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
1760         fmt->color      = dim->se ? NULL         : dim->color;
1761         fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
1762         fmt->header     = c2c_header;
1763         fmt->width      = c2c_width;
1764         fmt->collapse   = dim->se ? c2c_se_collapse : dim->cmp;
1765         fmt->equal      = fmt_equal;
1766         fmt->free       = fmt_free;
1767
1768         return c2c_fmt;
1769 }
1770
1771 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1772 {
1773         struct c2c_fmt *c2c_fmt = get_format(name);
1774
1775         if (!c2c_fmt) {
1776                 reset_dimensions();
1777                 return output_field_add(hpp_list, name);
1778         }
1779
1780         perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1781         return 0;
1782 }
1783
1784 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1785 {
1786         struct c2c_fmt *c2c_fmt = get_format(name);
1787         struct c2c_dimension *dim;
1788
1789         if (!c2c_fmt) {
1790                 reset_dimensions();
1791                 return sort_dimension__add(hpp_list, name, NULL, 0);
1792         }
1793
1794         dim = c2c_fmt->dim;
1795         if (dim == &dim_dso)
1796                 hpp_list->dso = 1;
1797
1798         perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1799         return 0;
1800 }
1801
1802 #define PARSE_LIST(_list, _fn)                                                  \
1803         do {                                                                    \
1804                 char *tmp, *tok;                                                \
1805                 ret = 0;                                                        \
1806                                                                                 \
1807                 if (!_list)                                                     \
1808                         break;                                                  \
1809                                                                                 \
1810                 for (tok = strtok_r((char *)_list, ", ", &tmp);                 \
1811                                 tok; tok = strtok_r(NULL, ", ", &tmp)) {        \
1812                         ret = _fn(hpp_list, tok);                               \
1813                         if (ret == -EINVAL) {                                   \
1814                                 pr_err("Invalid --fields key: `%s'", tok);      \
1815                                 break;                                          \
1816                         } else if (ret == -ESRCH) {                             \
1817                                 pr_err("Unknown --fields key: `%s'", tok);      \
1818                                 break;                                          \
1819                         }                                                       \
1820                 }                                                               \
1821         } while (0)
1822
1823 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1824                            const char *output_,
1825                            const char *sort_)
1826 {
1827         char *output = output_ ? strdup(output_) : NULL;
1828         char *sort   = sort_   ? strdup(sort_) : NULL;
1829         int ret;
1830
1831         PARSE_LIST(output, c2c_hists__init_output);
1832         PARSE_LIST(sort,   c2c_hists__init_sort);
1833
1834         /* copy sort keys to output fields */
1835         perf_hpp__setup_output_field(hpp_list);
1836
1837         /*
1838          * We dont need other sorting keys other than those
1839          * we already specified. It also really slows down
1840          * the processing a lot with big number of output
1841          * fields, so switching this off for c2c.
1842          */
1843
1844 #if 0
1845         /* and then copy output fields to sort keys */
1846         perf_hpp__append_sort_keys(&hists->list);
1847 #endif
1848
1849         free(output);
1850         free(sort);
1851         return ret;
1852 }
1853
1854 static int c2c_hists__init(struct c2c_hists *hists,
1855                            const char *sort,
1856                            int nr_header_lines)
1857 {
1858         __hists__init(&hists->hists, &hists->list);
1859
1860         /*
1861          * Initialize only with sort fields, we need to resort
1862          * later anyway, and that's where we add output fields
1863          * as well.
1864          */
1865         perf_hpp_list__init(&hists->list);
1866
1867         /* Overload number of header lines.*/
1868         hists->list.nr_header_lines = nr_header_lines;
1869
1870         return hpp_list__parse(&hists->list, NULL, sort);
1871 }
1872
1873 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1874                              const char *output,
1875                              const char *sort)
1876 {
1877         perf_hpp__reset_output_field(&c2c_hists->list);
1878         return hpp_list__parse(&c2c_hists->list, output, sort);
1879 }
1880
1881 #define DISPLAY_LINE_LIMIT  0.0005
1882
1883 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
1884 {
1885         struct c2c_hist_entry *c2c_he;
1886         double ld_dist;
1887
1888         if (c2c.show_all)
1889                 return true;
1890
1891         c2c_he = container_of(he, struct c2c_hist_entry, he);
1892
1893 #define FILTER_HITM(__h)                                                \
1894         if (stats->__h) {                                               \
1895                 ld_dist = ((double)c2c_he->stats.__h / stats->__h);     \
1896                 if (ld_dist < DISPLAY_LINE_LIMIT)                       \
1897                         he->filtered = HIST_FILTER__C2C;                \
1898         } else {                                                        \
1899                 he->filtered = HIST_FILTER__C2C;                        \
1900         }
1901
1902         switch (c2c.display) {
1903         case DISPLAY_LCL:
1904                 FILTER_HITM(lcl_hitm);
1905                 break;
1906         case DISPLAY_RMT:
1907                 FILTER_HITM(rmt_hitm);
1908                 break;
1909         case DISPLAY_TOT:
1910                 FILTER_HITM(tot_hitm);
1911         default:
1912                 break;
1913         };
1914
1915 #undef FILTER_HITM
1916
1917         return he->filtered == 0;
1918 }
1919
1920 static inline int valid_hitm_or_store(struct hist_entry *he)
1921 {
1922         struct c2c_hist_entry *c2c_he;
1923         bool has_hitm;
1924
1925         c2c_he = container_of(he, struct c2c_hist_entry, he);
1926         has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
1927                    c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
1928                                                 c2c_he->stats.rmt_hitm;
1929         return has_hitm || c2c_he->stats.store;
1930 }
1931
1932 static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
1933 {
1934         struct c2c_dimension *dim;
1935
1936         dim = &c2c.hists == c2c_he->hists ?
1937               &dim_dcacheline_node : &dim_offset_node;
1938
1939         if (len > dim->width)
1940                 dim->width = len;
1941 }
1942
1943 static int set_nodestr(struct c2c_hist_entry *c2c_he)
1944 {
1945         char buf[30];
1946         int len;
1947
1948         if (c2c_he->nodestr)
1949                 return 0;
1950
1951         if (bitmap_weight(c2c_he->nodeset, c2c.nodes_cnt)) {
1952                 len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
1953                                       buf, sizeof(buf));
1954         } else {
1955                 len = scnprintf(buf, sizeof(buf), "N/A");
1956         }
1957
1958         set_node_width(c2c_he, len);
1959         c2c_he->nodestr = strdup(buf);
1960         return c2c_he->nodestr ? 0 : -ENOMEM;
1961 }
1962
1963 static void calc_width(struct c2c_hist_entry *c2c_he)
1964 {
1965         struct c2c_hists *c2c_hists;
1966
1967         c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
1968         hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
1969         set_nodestr(c2c_he);
1970 }
1971
1972 static int filter_cb(struct hist_entry *he)
1973 {
1974         struct c2c_hist_entry *c2c_he;
1975
1976         c2c_he = container_of(he, struct c2c_hist_entry, he);
1977
1978         if (c2c.show_src && !he->srcline)
1979                 he->srcline = hist_entry__srcline(he);
1980
1981         calc_width(c2c_he);
1982
1983         if (!valid_hitm_or_store(he))
1984                 he->filtered = HIST_FILTER__C2C;
1985
1986         return 0;
1987 }
1988
1989 static int resort_cl_cb(struct hist_entry *he)
1990 {
1991         struct c2c_hist_entry *c2c_he;
1992         struct c2c_hists *c2c_hists;
1993         bool display = he__display(he, &c2c.hitm_stats);
1994
1995         c2c_he = container_of(he, struct c2c_hist_entry, he);
1996         c2c_hists = c2c_he->hists;
1997
1998         if (display && c2c_hists) {
1999                 static unsigned int idx;
2000
2001                 c2c_he->cacheline_idx = idx++;
2002                 calc_width(c2c_he);
2003
2004                 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
2005
2006                 hists__collapse_resort(&c2c_hists->hists, NULL);
2007                 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
2008         }
2009
2010         return 0;
2011 }
2012
2013 static void setup_nodes_header(void)
2014 {
2015         dim_node.header = header_node[c2c.node_info];
2016 }
2017
2018 static int setup_nodes(struct perf_session *session)
2019 {
2020         struct numa_node *n;
2021         unsigned long **nodes;
2022         int node, cpu;
2023         int *cpu2node;
2024
2025         if (c2c.node_info > 2)
2026                 c2c.node_info = 2;
2027
2028         c2c.nodes_cnt = session->header.env.nr_numa_nodes;
2029         c2c.cpus_cnt  = session->header.env.nr_cpus_online;
2030
2031         n = session->header.env.numa_nodes;
2032         if (!n)
2033                 return -EINVAL;
2034
2035         nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
2036         if (!nodes)
2037                 return -ENOMEM;
2038
2039         c2c.nodes = nodes;
2040
2041         cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
2042         if (!cpu2node)
2043                 return -ENOMEM;
2044
2045         for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
2046                 cpu2node[cpu] = -1;
2047
2048         c2c.cpu2node = cpu2node;
2049
2050         for (node = 0; node < c2c.nodes_cnt; node++) {
2051                 struct cpu_map *map = n[node].map;
2052                 unsigned long *set;
2053
2054                 set = bitmap_alloc(c2c.cpus_cnt);
2055                 if (!set)
2056                         return -ENOMEM;
2057
2058                 for (cpu = 0; cpu < map->nr; cpu++) {
2059                         set_bit(map->map[cpu], set);
2060
2061                         if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
2062                                 return -EINVAL;
2063
2064                         cpu2node[map->map[cpu]] = node;
2065                 }
2066
2067                 nodes[node] = set;
2068         }
2069
2070         setup_nodes_header();
2071         return 0;
2072 }
2073
2074 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
2075
2076 static int resort_hitm_cb(struct hist_entry *he)
2077 {
2078         struct c2c_hist_entry *c2c_he;
2079         c2c_he = container_of(he, struct c2c_hist_entry, he);
2080
2081         if (HAS_HITMS(c2c_he)) {
2082                 c2c.shared_clines++;
2083                 c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
2084         }
2085
2086         return 0;
2087 }
2088
2089 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
2090 {
2091         struct rb_node *next = rb_first(&hists->entries);
2092         int ret = 0;
2093
2094         while (next) {
2095                 struct hist_entry *he;
2096
2097                 he = rb_entry(next, struct hist_entry, rb_node);
2098                 ret = cb(he);
2099                 if (ret)
2100                         break;
2101                 next = rb_next(&he->rb_node);
2102         }
2103
2104         return ret;
2105 }
2106
2107 static void print_c2c__display_stats(FILE *out)
2108 {
2109         int llc_misses;
2110         struct c2c_stats *stats = &c2c.hists.stats;
2111
2112         llc_misses = stats->lcl_dram +
2113                      stats->rmt_dram +
2114                      stats->rmt_hit +
2115                      stats->rmt_hitm;
2116
2117         fprintf(out, "=================================================\n");
2118         fprintf(out, "            Trace Event Information              \n");
2119         fprintf(out, "=================================================\n");
2120         fprintf(out, "  Total records                     : %10d\n", stats->nr_entries);
2121         fprintf(out, "  Locked Load/Store Operations      : %10d\n", stats->locks);
2122         fprintf(out, "  Load Operations                   : %10d\n", stats->load);
2123         fprintf(out, "  Loads - uncacheable               : %10d\n", stats->ld_uncache);
2124         fprintf(out, "  Loads - IO                        : %10d\n", stats->ld_io);
2125         fprintf(out, "  Loads - Miss                      : %10d\n", stats->ld_miss);
2126         fprintf(out, "  Loads - no mapping                : %10d\n", stats->ld_noadrs);
2127         fprintf(out, "  Load Fill Buffer Hit              : %10d\n", stats->ld_fbhit);
2128         fprintf(out, "  Load L1D hit                      : %10d\n", stats->ld_l1hit);
2129         fprintf(out, "  Load L2D hit                      : %10d\n", stats->ld_l2hit);
2130         fprintf(out, "  Load LLC hit                      : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2131         fprintf(out, "  Load Local HITM                   : %10d\n", stats->lcl_hitm);
2132         fprintf(out, "  Load Remote HITM                  : %10d\n", stats->rmt_hitm);
2133         fprintf(out, "  Load Remote HIT                   : %10d\n", stats->rmt_hit);
2134         fprintf(out, "  Load Local DRAM                   : %10d\n", stats->lcl_dram);
2135         fprintf(out, "  Load Remote DRAM                  : %10d\n", stats->rmt_dram);
2136         fprintf(out, "  Load MESI State Exclusive         : %10d\n", stats->ld_excl);
2137         fprintf(out, "  Load MESI State Shared            : %10d\n", stats->ld_shared);
2138         fprintf(out, "  Load LLC Misses                   : %10d\n", llc_misses);
2139         fprintf(out, "  LLC Misses to Local DRAM          : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2140         fprintf(out, "  LLC Misses to Remote DRAM         : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2141         fprintf(out, "  LLC Misses to Remote cache (HIT)  : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2142         fprintf(out, "  LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2143         fprintf(out, "  Store Operations                  : %10d\n", stats->store);
2144         fprintf(out, "  Store - uncacheable               : %10d\n", stats->st_uncache);
2145         fprintf(out, "  Store - no mapping                : %10d\n", stats->st_noadrs);
2146         fprintf(out, "  Store L1D Hit                     : %10d\n", stats->st_l1hit);
2147         fprintf(out, "  Store L1D Miss                    : %10d\n", stats->st_l1miss);
2148         fprintf(out, "  No Page Map Rejects               : %10d\n", stats->nomap);
2149         fprintf(out, "  Unable to parse data source       : %10d\n", stats->noparse);
2150 }
2151
2152 static void print_shared_cacheline_info(FILE *out)
2153 {
2154         struct c2c_stats *stats = &c2c.hitm_stats;
2155         int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2156
2157         fprintf(out, "=================================================\n");
2158         fprintf(out, "    Global Shared Cache Line Event Information   \n");
2159         fprintf(out, "=================================================\n");
2160         fprintf(out, "  Total Shared Cache Lines          : %10d\n", c2c.shared_clines);
2161         fprintf(out, "  Load HITs on shared lines         : %10d\n", stats->load);
2162         fprintf(out, "  Fill Buffer Hits on shared lines  : %10d\n", stats->ld_fbhit);
2163         fprintf(out, "  L1D hits on shared lines          : %10d\n", stats->ld_l1hit);
2164         fprintf(out, "  L2D hits on shared lines          : %10d\n", stats->ld_l2hit);
2165         fprintf(out, "  LLC hits on shared lines          : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2166         fprintf(out, "  Locked Access on shared lines     : %10d\n", stats->locks);
2167         fprintf(out, "  Store HITs on shared lines        : %10d\n", stats->store);
2168         fprintf(out, "  Store L1D hits on shared lines    : %10d\n", stats->st_l1hit);
2169         fprintf(out, "  Total Merged records              : %10d\n", hitm_cnt + stats->store);
2170 }
2171
2172 static void print_cacheline(struct c2c_hists *c2c_hists,
2173                             struct hist_entry *he_cl,
2174                             struct perf_hpp_list *hpp_list,
2175                             FILE *out)
2176 {
2177         char bf[1000];
2178         struct perf_hpp hpp = {
2179                 .buf            = bf,
2180                 .size           = 1000,
2181         };
2182         static bool once;
2183
2184         if (!once) {
2185                 hists__fprintf_headers(&c2c_hists->hists, out);
2186                 once = true;
2187         } else {
2188                 fprintf(out, "\n");
2189         }
2190
2191         fprintf(out, "  -------------------------------------------------------------\n");
2192         __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2193         fprintf(out, "%s\n", bf);
2194         fprintf(out, "  -------------------------------------------------------------\n");
2195
2196         hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
2197 }
2198
2199 static void print_pareto(FILE *out)
2200 {
2201         struct perf_hpp_list hpp_list;
2202         struct rb_node *nd;
2203         int ret;
2204
2205         perf_hpp_list__init(&hpp_list);
2206         ret = hpp_list__parse(&hpp_list,
2207                                 "cl_num,"
2208                                 "cl_rmt_hitm,"
2209                                 "cl_lcl_hitm,"
2210                                 "cl_stores_l1hit,"
2211                                 "cl_stores_l1miss,"
2212                                 "dcacheline",
2213                                 NULL);
2214
2215         if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2216                 return;
2217
2218         nd = rb_first(&c2c.hists.hists.entries);
2219
2220         for (; nd; nd = rb_next(nd)) {
2221                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2222                 struct c2c_hist_entry *c2c_he;
2223
2224                 if (he->filtered)
2225                         continue;
2226
2227                 c2c_he = container_of(he, struct c2c_hist_entry, he);
2228                 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2229         }
2230 }
2231
2232 static void print_c2c_info(FILE *out, struct perf_session *session)
2233 {
2234         struct perf_evlist *evlist = session->evlist;
2235         struct perf_evsel *evsel;
2236         bool first = true;
2237
2238         fprintf(out, "=================================================\n");
2239         fprintf(out, "                 c2c details                     \n");
2240         fprintf(out, "=================================================\n");
2241
2242         evlist__for_each_entry(evlist, evsel) {
2243                 fprintf(out, "%-36s: %s\n", first ? "  Events" : "",
2244                         perf_evsel__name(evsel));
2245                 first = false;
2246         }
2247         fprintf(out, "  Cachelines sort on                : %s HITMs\n",
2248                 display_str[c2c.display]);
2249         fprintf(out, "  Cacheline data grouping           : %s\n", c2c.cl_sort);
2250 }
2251
2252 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2253 {
2254         setup_pager();
2255
2256         print_c2c__display_stats(out);
2257         fprintf(out, "\n");
2258         print_shared_cacheline_info(out);
2259         fprintf(out, "\n");
2260         print_c2c_info(out, session);
2261
2262         if (c2c.stats_only)
2263                 return;
2264
2265         fprintf(out, "\n");
2266         fprintf(out, "=================================================\n");
2267         fprintf(out, "           Shared Data Cache Line Table          \n");
2268         fprintf(out, "=================================================\n");
2269         fprintf(out, "#\n");
2270
2271         hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
2272
2273         fprintf(out, "\n");
2274         fprintf(out, "=================================================\n");
2275         fprintf(out, "      Shared Cache Line Distribution Pareto      \n");
2276         fprintf(out, "=================================================\n");
2277         fprintf(out, "#\n");
2278
2279         print_pareto(out);
2280 }
2281
2282 #ifdef HAVE_SLANG_SUPPORT
2283 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2284 {
2285         u64 nr_entries = 0;
2286         struct rb_node *nd = rb_first(&hb->hists->entries);
2287
2288         while (nd) {
2289                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2290
2291                 if (!he->filtered)
2292                         nr_entries++;
2293
2294                 nd = rb_next(nd);
2295         }
2296
2297         hb->nr_non_filtered_entries = nr_entries;
2298 }
2299
2300 struct c2c_cacheline_browser {
2301         struct hist_browser      hb;
2302         struct hist_entry       *he;
2303 };
2304
2305 static int
2306 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2307                                   char *bf, size_t size)
2308 {
2309         struct c2c_cacheline_browser *cl_browser;
2310         struct hist_entry *he;
2311         uint64_t addr = 0;
2312
2313         cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2314         he = cl_browser->he;
2315
2316         if (he->mem_info)
2317                 addr = cl_address(he->mem_info->daddr.addr);
2318
2319         scnprintf(bf, size, "Cacheline 0x%lx", addr);
2320         return 0;
2321 }
2322
2323 static struct c2c_cacheline_browser*
2324 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2325 {
2326         struct c2c_cacheline_browser *browser;
2327
2328         browser = zalloc(sizeof(*browser));
2329         if (browser) {
2330                 hist_browser__init(&browser->hb, hists);
2331                 browser->hb.c2c_filter  = true;
2332                 browser->hb.title       = perf_c2c_cacheline_browser__title;
2333                 browser->he             = he;
2334         }
2335
2336         return browser;
2337 }
2338
2339 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2340 {
2341         struct c2c_hist_entry *c2c_he;
2342         struct c2c_hists *c2c_hists;
2343         struct c2c_cacheline_browser *cl_browser;
2344         struct hist_browser *browser;
2345         int key = -1;
2346         const char help[] =
2347         " ENTER         Toggle callchains (if present) \n"
2348         " n             Toggle Node details info \n"
2349         " s             Toggle full length of symbol and source line columns \n"
2350         " q             Return back to cacheline list \n";
2351
2352         /* Display compact version first. */
2353         c2c.symbol_full = false;
2354
2355         c2c_he = container_of(he, struct c2c_hist_entry, he);
2356         c2c_hists = c2c_he->hists;
2357
2358         cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2359         if (cl_browser == NULL)
2360                 return -1;
2361
2362         browser = &cl_browser->hb;
2363
2364         /* reset abort key so that it can get Ctrl-C as a key */
2365         SLang_reset_tty();
2366         SLang_init_tty(0, 0, 0);
2367
2368         c2c_browser__update_nr_entries(browser);
2369
2370         while (1) {
2371                 key = hist_browser__run(browser, "? - help", true);
2372
2373                 switch (key) {
2374                 case 's':
2375                         c2c.symbol_full = !c2c.symbol_full;
2376                         break;
2377                 case 'n':
2378                         c2c.node_info = (c2c.node_info + 1) % 3;
2379                         setup_nodes_header();
2380                         break;
2381                 case 'q':
2382                         goto out;
2383                 case '?':
2384                         ui_browser__help_window(&browser->b, help);
2385                         break;
2386                 default:
2387                         break;
2388                 }
2389         }
2390
2391 out:
2392         free(cl_browser);
2393         return 0;
2394 }
2395
2396 static int perf_c2c_browser__title(struct hist_browser *browser,
2397                                    char *bf, size_t size)
2398 {
2399         scnprintf(bf, size,
2400                   "Shared Data Cache Line Table     "
2401                   "(%lu entries, sorted on %s HITMs)",
2402                   browser->nr_non_filtered_entries,
2403                   display_str[c2c.display]);
2404         return 0;
2405 }
2406
2407 static struct hist_browser*
2408 perf_c2c_browser__new(struct hists *hists)
2409 {
2410         struct hist_browser *browser = hist_browser__new(hists);
2411
2412         if (browser) {
2413                 browser->title = perf_c2c_browser__title;
2414                 browser->c2c_filter = true;
2415         }
2416
2417         return browser;
2418 }
2419
2420 static int perf_c2c__hists_browse(struct hists *hists)
2421 {
2422         struct hist_browser *browser;
2423         int key = -1;
2424         const char help[] =
2425         " d             Display cacheline details \n"
2426         " ENTER         Toggle callchains (if present) \n"
2427         " q             Quit \n";
2428
2429         browser = perf_c2c_browser__new(hists);
2430         if (browser == NULL)
2431                 return -1;
2432
2433         /* reset abort key so that it can get Ctrl-C as a key */
2434         SLang_reset_tty();
2435         SLang_init_tty(0, 0, 0);
2436
2437         c2c_browser__update_nr_entries(browser);
2438
2439         while (1) {
2440                 key = hist_browser__run(browser, "? - help", true);
2441
2442                 switch (key) {
2443                 case 'q':
2444                         goto out;
2445                 case 'd':
2446                         perf_c2c__browse_cacheline(browser->he_selection);
2447                         break;
2448                 case '?':
2449                         ui_browser__help_window(&browser->b, help);
2450                         break;
2451                 default:
2452                         break;
2453                 }
2454         }
2455
2456 out:
2457         hist_browser__delete(browser);
2458         return 0;
2459 }
2460
2461 static void perf_c2c_display(struct perf_session *session)
2462 {
2463         if (use_browser == 0)
2464                 perf_c2c__hists_fprintf(stdout, session);
2465         else
2466                 perf_c2c__hists_browse(&c2c.hists.hists);
2467 }
2468 #else
2469 static void perf_c2c_display(struct perf_session *session)
2470 {
2471         use_browser = 0;
2472         perf_c2c__hists_fprintf(stdout, session);
2473 }
2474 #endif /* HAVE_SLANG_SUPPORT */
2475
2476 static char *fill_line(const char *orig, int len)
2477 {
2478         int i, j, olen = strlen(orig);
2479         char *buf;
2480
2481         buf = zalloc(len + 1);
2482         if (!buf)
2483                 return NULL;
2484
2485         j = len / 2 - olen / 2;
2486
2487         for (i = 0; i < j - 1; i++)
2488                 buf[i] = '-';
2489
2490         buf[i++] = ' ';
2491
2492         strcpy(buf + i, orig);
2493
2494         i += olen;
2495
2496         buf[i++] = ' ';
2497
2498         for (; i < len; i++)
2499                 buf[i] = '-';
2500
2501         return buf;
2502 }
2503
2504 static int ui_quirks(void)
2505 {
2506         const char *nodestr = "Data address";
2507         char *buf;
2508
2509         if (!c2c.use_stdio) {
2510                 dim_offset.width  = 5;
2511                 dim_offset.header = header_offset_tui;
2512                 nodestr = "CL";
2513         }
2514
2515         dim_percent_hitm.header = percent_hitm_header[c2c.display];
2516
2517         /* Fix the zero line for dcacheline column. */
2518         buf = fill_line("Cacheline", dim_dcacheline.width +
2519                                      dim_dcacheline_node.width +
2520                                      dim_dcacheline_count.width + 4);
2521         if (!buf)
2522                 return -ENOMEM;
2523
2524         dim_dcacheline.header.line[0].text = buf;
2525
2526         /* Fix the zero line for offset column. */
2527         buf = fill_line(nodestr, dim_offset.width +
2528                                  dim_offset_node.width +
2529                                  dim_dcacheline_count.width + 4);
2530         if (!buf)
2531                 return -ENOMEM;
2532
2533         dim_offset.header.line[0].text = buf;
2534
2535         return 0;
2536 }
2537
2538 #define CALLCHAIN_DEFAULT_OPT  "graph,0.5,caller,function,percent"
2539
2540 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2541                                 CALLCHAIN_REPORT_HELP
2542                                 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2543
2544 static int
2545 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2546 {
2547         struct callchain_param *callchain = opt->value;
2548
2549         callchain->enabled = !unset;
2550         /*
2551          * --no-call-graph
2552          */
2553         if (unset) {
2554                 symbol_conf.use_callchain = false;
2555                 callchain->mode = CHAIN_NONE;
2556                 return 0;
2557         }
2558
2559         return parse_callchain_report_opt(arg);
2560 }
2561
2562 static int setup_callchain(struct perf_evlist *evlist)
2563 {
2564         u64 sample_type = perf_evlist__combined_sample_type(evlist);
2565         enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2566
2567         if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2568             (sample_type & PERF_SAMPLE_STACK_USER)) {
2569                 mode = CALLCHAIN_DWARF;
2570                 dwarf_callchain_users = true;
2571         } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2572                 mode = CALLCHAIN_LBR;
2573         else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2574                 mode = CALLCHAIN_FP;
2575
2576         if (!callchain_param.enabled &&
2577             callchain_param.mode != CHAIN_NONE &&
2578             mode != CALLCHAIN_NONE) {
2579                 symbol_conf.use_callchain = true;
2580                 if (callchain_register_param(&callchain_param) < 0) {
2581                         ui__error("Can't register callchain params.\n");
2582                         return -EINVAL;
2583                 }
2584         }
2585
2586         callchain_param.record_mode = mode;
2587         callchain_param.min_percent = 0;
2588         return 0;
2589 }
2590
2591 static int setup_display(const char *str)
2592 {
2593         const char *display = str ?: "tot";
2594
2595         if (!strcmp(display, "tot"))
2596                 c2c.display = DISPLAY_TOT;
2597         else if (!strcmp(display, "rmt"))
2598                 c2c.display = DISPLAY_RMT;
2599         else if (!strcmp(display, "lcl"))
2600                 c2c.display = DISPLAY_LCL;
2601         else {
2602                 pr_err("failed: unknown display type: %s\n", str);
2603                 return -1;
2604         }
2605
2606         return 0;
2607 }
2608
2609 #define for_each_token(__tok, __buf, __sep, __tmp)              \
2610         for (__tok = strtok_r(__buf, __sep, &__tmp); __tok;     \
2611              __tok = strtok_r(NULL,  __sep, &__tmp))
2612
2613 static int build_cl_output(char *cl_sort, bool no_source)
2614 {
2615         char *tok, *tmp, *buf = strdup(cl_sort);
2616         bool add_pid   = false;
2617         bool add_tid   = false;
2618         bool add_iaddr = false;
2619         bool add_sym   = false;
2620         bool add_dso   = false;
2621         bool add_src   = false;
2622
2623         if (!buf)
2624                 return -ENOMEM;
2625
2626         for_each_token(tok, buf, ",", tmp) {
2627                 if (!strcmp(tok, "tid")) {
2628                         add_tid = true;
2629                 } else if (!strcmp(tok, "pid")) {
2630                         add_pid = true;
2631                 } else if (!strcmp(tok, "iaddr")) {
2632                         add_iaddr = true;
2633                         add_sym   = true;
2634                         add_dso   = true;
2635                         add_src   = no_source ? false : true;
2636                 } else if (!strcmp(tok, "dso")) {
2637                         add_dso = true;
2638                 } else if (strcmp(tok, "offset")) {
2639                         pr_err("unrecognized sort token: %s\n", tok);
2640                         return -EINVAL;
2641                 }
2642         }
2643
2644         if (asprintf(&c2c.cl_output,
2645                 "%s%s%s%s%s%s%s%s%s%s",
2646                 c2c.use_stdio ? "cl_num_empty," : "",
2647                 "percent_rmt_hitm,"
2648                 "percent_lcl_hitm,"
2649                 "percent_stores_l1hit,"
2650                 "percent_stores_l1miss,"
2651                 "offset,offset_node,dcacheline_count,",
2652                 add_pid   ? "pid," : "",
2653                 add_tid   ? "tid," : "",
2654                 add_iaddr ? "iaddr," : "",
2655                 "mean_rmt,"
2656                 "mean_lcl,"
2657                 "mean_load,"
2658                 "tot_recs,"
2659                 "cpucnt,",
2660                 add_sym ? "symbol," : "",
2661                 add_dso ? "dso," : "",
2662                 add_src ? "cl_srcline," : "",
2663                 "node") < 0)
2664                 return -ENOMEM;
2665
2666         c2c.show_src = add_src;
2667
2668         free(buf);
2669         return 0;
2670 }
2671
2672 static int setup_coalesce(const char *coalesce, bool no_source)
2673 {
2674         const char *c = coalesce ?: coalesce_default;
2675
2676         if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2677                 return -ENOMEM;
2678
2679         if (build_cl_output(c2c.cl_sort, no_source))
2680                 return -1;
2681
2682         if (asprintf(&c2c.cl_resort, "offset,%s",
2683                      c2c.display == DISPLAY_TOT ?
2684                      "tot_hitm" :
2685                      c2c.display == DISPLAY_RMT ?
2686                      "rmt_hitm,lcl_hitm" :
2687                      "lcl_hitm,rmt_hitm") < 0)
2688                 return -ENOMEM;
2689
2690         pr_debug("coalesce sort   fields: %s\n", c2c.cl_sort);
2691         pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2692         pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2693         return 0;
2694 }
2695
2696 static int perf_c2c__report(int argc, const char **argv)
2697 {
2698         struct perf_session *session;
2699         struct ui_progress prog;
2700         struct perf_data data = {
2701                 .mode = PERF_DATA_MODE_READ,
2702         };
2703         char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
2704         const char *display = NULL;
2705         const char *coalesce = NULL;
2706         bool no_source = false;
2707         const struct option options[] = {
2708         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2709                    "file", "vmlinux pathname"),
2710         OPT_STRING('i', "input", &input_name, "file",
2711                    "the input file to process"),
2712         OPT_INCR('N', "node-info", &c2c.node_info,
2713                  "show extra node info in report (repeat for more info)"),
2714 #ifdef HAVE_SLANG_SUPPORT
2715         OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
2716 #endif
2717         OPT_BOOLEAN(0, "stats", &c2c.stats_only,
2718                     "Display only statistic tables (implies --stdio)"),
2719         OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
2720                     "Display full length of symbols"),
2721         OPT_BOOLEAN(0, "no-source", &no_source,
2722                     "Do not display Source Line column"),
2723         OPT_BOOLEAN(0, "show-all", &c2c.show_all,
2724                     "Show all captured HITM lines."),
2725         OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
2726                              "print_type,threshold[,print_limit],order,sort_key[,branch],value",
2727                              callchain_help, &parse_callchain_opt,
2728                              callchain_default_opt),
2729         OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
2730         OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
2731                    "coalesce fields: pid,tid,iaddr,dso"),
2732         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2733         OPT_PARENT(c2c_options),
2734         OPT_END()
2735         };
2736         int err = 0;
2737
2738         argc = parse_options(argc, argv, options, report_c2c_usage,
2739                              PARSE_OPT_STOP_AT_NON_OPTION);
2740         if (argc)
2741                 usage_with_options(report_c2c_usage, options);
2742
2743         if (c2c.stats_only)
2744                 c2c.use_stdio = true;
2745
2746         if (!input_name || !strlen(input_name))
2747                 input_name = "perf.data";
2748
2749         data.file.path = input_name;
2750         data.force     = symbol_conf.force;
2751
2752         err = setup_display(display);
2753         if (err)
2754                 goto out;
2755
2756         err = setup_coalesce(coalesce, no_source);
2757         if (err) {
2758                 pr_debug("Failed to initialize hists\n");
2759                 goto out;
2760         }
2761
2762         err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
2763         if (err) {
2764                 pr_debug("Failed to initialize hists\n");
2765                 goto out;
2766         }
2767
2768         session = perf_session__new(&data, 0, &c2c.tool);
2769         if (session == NULL) {
2770                 pr_debug("No memory for session\n");
2771                 goto out;
2772         }
2773
2774         err = setup_nodes(session);
2775         if (err) {
2776                 pr_err("Failed setup nodes\n");
2777                 goto out;
2778         }
2779
2780         err = mem2node__init(&c2c.mem2node, &session->header.env);
2781         if (err)
2782                 goto out_session;
2783
2784         err = setup_callchain(session->evlist);
2785         if (err)
2786                 goto out_mem2node;
2787
2788         if (symbol__init(&session->header.env) < 0)
2789                 goto out_mem2node;
2790
2791         /* No pipe support at the moment. */
2792         if (perf_data__is_pipe(session->data)) {
2793                 pr_debug("No pipe support at the moment.\n");
2794                 goto out_mem2node;
2795         }
2796
2797         if (c2c.use_stdio)
2798                 use_browser = 0;
2799         else
2800                 use_browser = 1;
2801
2802         setup_browser(false);
2803
2804         err = perf_session__process_events(session);
2805         if (err) {
2806                 pr_err("failed to process sample\n");
2807                 goto out_mem2node;
2808         }
2809
2810         c2c_hists__reinit(&c2c.hists,
2811                         "cl_idx,"
2812                         "dcacheline,"
2813                         "dcacheline_node,"
2814                         "dcacheline_count,"
2815                         "tot_recs,"
2816                         "percent_hitm,"
2817                         "tot_hitm,lcl_hitm,rmt_hitm,"
2818                         "stores,stores_l1hit,stores_l1miss,"
2819                         "dram_lcl,dram_rmt,"
2820                         "ld_llcmiss,"
2821                         "tot_loads,"
2822                         "ld_fbhit,ld_l1hit,ld_l2hit,"
2823                         "ld_lclhit,ld_rmthit",
2824                         c2c.display == DISPLAY_TOT ? "tot_hitm" :
2825                         c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
2826                         );
2827
2828         ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
2829
2830         hists__collapse_resort(&c2c.hists.hists, NULL);
2831         hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
2832         hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
2833
2834         ui_progress__finish();
2835
2836         if (ui_quirks()) {
2837                 pr_err("failed to setup UI\n");
2838                 goto out_mem2node;
2839         }
2840
2841         perf_c2c_display(session);
2842
2843 out_mem2node:
2844         mem2node__exit(&c2c.mem2node);
2845 out_session:
2846         perf_session__delete(session);
2847 out:
2848         return err;
2849 }
2850
2851 static int parse_record_events(const struct option *opt,
2852                                const char *str, int unset __maybe_unused)
2853 {
2854         bool *event_set = (bool *) opt->value;
2855
2856         *event_set = true;
2857         return perf_mem_events__parse(str);
2858 }
2859
2860
2861 static const char * const __usage_record[] = {
2862         "perf c2c record [<options>] [<command>]",
2863         "perf c2c record [<options>] -- <command> [<options>]",
2864         NULL
2865 };
2866
2867 static const char * const *record_mem_usage = __usage_record;
2868
2869 static int perf_c2c__record(int argc, const char **argv)
2870 {
2871         int rec_argc, i = 0, j;
2872         const char **rec_argv;
2873         int ret;
2874         bool all_user = false, all_kernel = false;
2875         bool event_set = false;
2876         struct option options[] = {
2877         OPT_CALLBACK('e', "event", &event_set, "event",
2878                      "event selector. Use 'perf mem record -e list' to list available events",
2879                      parse_record_events),
2880         OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
2881         OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
2882         OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
2883         OPT_PARENT(c2c_options),
2884         OPT_END()
2885         };
2886
2887         if (perf_mem_events__init()) {
2888                 pr_err("failed: memory events not supported\n");
2889                 return -1;
2890         }
2891
2892         argc = parse_options(argc, argv, options, record_mem_usage,
2893                              PARSE_OPT_KEEP_UNKNOWN);
2894
2895         rec_argc = argc + 11; /* max number of arguments */
2896         rec_argv = calloc(rec_argc + 1, sizeof(char *));
2897         if (!rec_argv)
2898                 return -1;
2899
2900         rec_argv[i++] = "record";
2901
2902         if (!event_set) {
2903                 perf_mem_events[PERF_MEM_EVENTS__LOAD].record  = true;
2904                 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
2905         }
2906
2907         if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
2908                 rec_argv[i++] = "-W";
2909
2910         rec_argv[i++] = "-d";
2911         rec_argv[i++] = "--phys-data";
2912         rec_argv[i++] = "--sample-cpu";
2913
2914         for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
2915                 if (!perf_mem_events[j].record)
2916                         continue;
2917
2918                 if (!perf_mem_events[j].supported) {
2919                         pr_err("failed: event '%s' not supported\n",
2920                                perf_mem_events[j].name);
2921                         free(rec_argv);
2922                         return -1;
2923                 }
2924
2925                 rec_argv[i++] = "-e";
2926                 rec_argv[i++] = perf_mem_events__name(j);
2927         };
2928
2929         if (all_user)
2930                 rec_argv[i++] = "--all-user";
2931
2932         if (all_kernel)
2933                 rec_argv[i++] = "--all-kernel";
2934
2935         for (j = 0; j < argc; j++, i++)
2936                 rec_argv[i] = argv[j];
2937
2938         if (verbose > 0) {
2939                 pr_debug("calling: ");
2940
2941                 j = 0;
2942
2943                 while (rec_argv[j]) {
2944                         pr_debug("%s ", rec_argv[j]);
2945                         j++;
2946                 }
2947                 pr_debug("\n");
2948         }
2949
2950         ret = cmd_record(i, rec_argv);
2951         free(rec_argv);
2952         return ret;
2953 }
2954
2955 int cmd_c2c(int argc, const char **argv)
2956 {
2957         argc = parse_options(argc, argv, c2c_options, c2c_usage,
2958                              PARSE_OPT_STOP_AT_NON_OPTION);
2959
2960         if (!argc)
2961                 usage_with_options(c2c_usage, c2c_options);
2962
2963         if (!strncmp(argv[0], "rec", 3)) {
2964                 return perf_c2c__record(argc, argv);
2965         } else if (!strncmp(argv[0], "rep", 3)) {
2966                 return perf_c2c__report(argc, argv);
2967         } else {
2968                 usage_with_options(c2c_usage, c2c_options);
2969         }
2970
2971         return 0;
2972 }