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Merge tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / tools / perf / builtin-c2c.c
blob5938b100eaf4c273b3cf6822fb469a56b8610838
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/err.h>
17 #include <linux/kernel.h>
18 #include <linux/stringify.h>
19 #include <linux/zalloc.h>
20 #include <asm/bug.h>
21 #include <sys/param.h>
22 #include "debug.h"
23 #include "builtin.h"
24 #include <perf/cpumap.h>
25 #include <subcmd/pager.h>
26 #include <subcmd/parse-options.h>
27 #include "map_symbol.h"
28 #include "mem-events.h"
29 #include "session.h"
30 #include "hist.h"
31 #include "sort.h"
32 #include "tool.h"
33 #include "cacheline.h"
34 #include "data.h"
35 #include "event.h"
36 #include "evlist.h"
37 #include "evsel.h"
38 #include "ui/browsers/hists.h"
39 #include "thread.h"
40 #include "mem2node.h"
41 #include "symbol.h"
42 #include "ui/ui.h"
43 #include "ui/progress.h"
44 #include "../perf.h"
45
46 struct c2c_hists {
47 struct hists hists;
48 struct perf_hpp_list list;
49 struct c2c_stats stats;
50 };
51
52 struct compute_stats {
53 struct stats lcl_hitm;
54 struct stats rmt_hitm;
55 struct stats load;
56 };
57
58 struct c2c_hist_entry {
59 struct c2c_hists *hists;
60 struct c2c_stats stats;
61 unsigned long *cpuset;
62 unsigned long *nodeset;
63 struct c2c_stats *node_stats;
64 unsigned int cacheline_idx;
65
66 struct compute_stats cstats;
67
68 unsigned long paddr;
69 unsigned long paddr_cnt;
70 bool paddr_zero;
71 char *nodestr;
72
73 /*
74 * must be at the end,
75 * because of its callchain dynamic entry
76 */
77 struct hist_entry he;
78 };
79
80 static char const *coalesce_default = "iaddr";
81
82 struct perf_c2c {
83 struct perf_tool tool;
84 struct c2c_hists hists;
85 struct mem2node mem2node;
86
87 unsigned long **nodes;
88 int nodes_cnt;
89 int cpus_cnt;
90 int *cpu2node;
91 int node_info;
92
93 bool show_src;
94 bool show_all;
95 bool use_stdio;
96 bool stats_only;
97 bool symbol_full;
98 bool stitch_lbr;
99
100 /* HITM shared clines stats */
101 struct c2c_stats hitm_stats;
102 int shared_clines;
103
104 int display;
105
106 const char *coalesce;
107 char *cl_sort;
108 char *cl_resort;
109 char *cl_output;
110 };
111
112 enum {
113 DISPLAY_LCL,
114 DISPLAY_RMT,
115 DISPLAY_TOT,
116 DISPLAY_MAX,
117 };
118
119 static const char *display_str[DISPLAY_MAX] = {
120 [DISPLAY_LCL] = "Local",
121 [DISPLAY_RMT] = "Remote",
122 [DISPLAY_TOT] = "Total",
123 };
124
125 static const struct option c2c_options[] = {
126 OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
127 OPT_END()
128 };
129
130 static struct perf_c2c c2c;
131
132 static void *c2c_he_zalloc(size_t size)
133 {
134 struct c2c_hist_entry *c2c_he;
135
136 c2c_he = zalloc(size + sizeof(*c2c_he));
137 if (!c2c_he)
138 return NULL;
139
140 c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
141 if (!c2c_he->cpuset)
142 return NULL;
143
144 c2c_he->nodeset = bitmap_alloc(c2c.nodes_cnt);
145 if (!c2c_he->nodeset)
146 return NULL;
147
148 c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
149 if (!c2c_he->node_stats)
150 return NULL;
151
152 init_stats(&c2c_he->cstats.lcl_hitm);
153 init_stats(&c2c_he->cstats.rmt_hitm);
154 init_stats(&c2c_he->cstats.load);
155
156 return &c2c_he->he;
157 }
158
159 static void c2c_he_free(void *he)
160 {
161 struct c2c_hist_entry *c2c_he;
162
163 c2c_he = container_of(he, struct c2c_hist_entry, he);
164 if (c2c_he->hists) {
165 hists__delete_entries(&c2c_he->hists->hists);
166 free(c2c_he->hists);
167 }
168
169 free(c2c_he->cpuset);
170 free(c2c_he->nodeset);
171 free(c2c_he->nodestr);
172 free(c2c_he->node_stats);
173 free(c2c_he);
174 }
175
176 static struct hist_entry_ops c2c_entry_ops = {
177 .new = c2c_he_zalloc,
178 .free = c2c_he_free,
179 };
180
181 static int c2c_hists__init(struct c2c_hists *hists,
182 const char *sort,
183 int nr_header_lines);
184
185 static struct c2c_hists*
186 he__get_c2c_hists(struct hist_entry *he,
187 const char *sort,
188 int nr_header_lines)
189 {
190 struct c2c_hist_entry *c2c_he;
191 struct c2c_hists *hists;
192 int ret;
193
194 c2c_he = container_of(he, struct c2c_hist_entry, he);
195 if (c2c_he->hists)
196 return c2c_he->hists;
197
198 hists = c2c_he->hists = zalloc(sizeof(*hists));
199 if (!hists)
200 return NULL;
201
202 ret = c2c_hists__init(hists, sort, nr_header_lines);
203 if (ret) {
204 free(hists);
205 return NULL;
206 }
207
208 return hists;
209 }
210
211 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
212 struct perf_sample *sample)
213 {
214 if (WARN_ONCE(sample->cpu == (unsigned int) -1,
215 "WARNING: no sample cpu value"))
216 return;
217
218 set_bit(sample->cpu, c2c_he->cpuset);
219 }
220
221 static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
222 struct perf_sample *sample)
223 {
224 int node;
225
226 if (!sample->phys_addr) {
227 c2c_he->paddr_zero = true;
228 return;
229 }
230
231 node = mem2node__node(&c2c.mem2node, sample->phys_addr);
232 if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
233 return;
234
235 set_bit(node, c2c_he->nodeset);
236
237 if (c2c_he->paddr != sample->phys_addr) {
238 c2c_he->paddr_cnt++;
239 c2c_he->paddr = sample->phys_addr;
240 }
241 }
242
243 static void compute_stats(struct c2c_hist_entry *c2c_he,
244 struct c2c_stats *stats,
245 u64 weight)
246 {
247 struct compute_stats *cstats = &c2c_he->cstats;
248
249 if (stats->rmt_hitm)
250 update_stats(&cstats->rmt_hitm, weight);
251 else if (stats->lcl_hitm)
252 update_stats(&cstats->lcl_hitm, weight);
253 else if (stats->load)
254 update_stats(&cstats->load, weight);
255 }
256
257 static int process_sample_event(struct perf_tool *tool __maybe_unused,
258 union perf_event *event,
259 struct perf_sample *sample,
260 struct evsel *evsel,
261 struct machine *machine)
262 {
263 struct c2c_hists *c2c_hists = &c2c.hists;
264 struct c2c_hist_entry *c2c_he;
265 struct c2c_stats stats = { .nr_entries = 0, };
266 struct hist_entry *he;
267 struct addr_location al;
268 struct mem_info *mi, *mi_dup;
269 int ret;
270
271 if (machine__resolve(machine, &al, sample) < 0) {
272 pr_debug("problem processing %d event, skipping it.\n",
273 event->header.type);
274 return -1;
275 }
276
277 if (c2c.stitch_lbr)
278 al.thread->lbr_stitch_enable = true;
279
280 ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
281 evsel, &al, sysctl_perf_event_max_stack);
282 if (ret)
283 goto out;
284
285 mi = sample__resolve_mem(sample, &al);
286 if (mi == NULL)
287 return -ENOMEM;
288
289 /*
290 * The mi object is released in hists__add_entry_ops,
291 * if it gets sorted out into existing data, so we need
292 * to take the copy now.
293 */
294 mi_dup = mem_info__get(mi);
295
296 c2c_decode_stats(&stats, mi);
297
298 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
299 &al, NULL, NULL, mi,
300 sample, true);
301 if (he == NULL)
302 goto free_mi;
303
304 c2c_he = container_of(he, struct c2c_hist_entry, he);
305 c2c_add_stats(&c2c_he->stats, &stats);
306 c2c_add_stats(&c2c_hists->stats, &stats);
307
308 c2c_he__set_cpu(c2c_he, sample);
309 c2c_he__set_node(c2c_he, sample);
310
311 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
312 ret = hist_entry__append_callchain(he, sample);
313
314 if (!ret) {
315 /*
316 * There's already been warning about missing
317 * sample's cpu value. Let's account all to
318 * node 0 in this case, without any further
319 * warning.
320 *
321 * Doing node stats only for single callchain data.
322 */
323 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
324 int node = c2c.cpu2node[cpu];
325
326 mi = mi_dup;
327
328 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
329 if (!c2c_hists)
330 goto free_mi;
331
332 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
333 &al, NULL, NULL, mi,
334 sample, true);
335 if (he == NULL)
336 goto free_mi;
337
338 c2c_he = container_of(he, struct c2c_hist_entry, he);
339 c2c_add_stats(&c2c_he->stats, &stats);
340 c2c_add_stats(&c2c_hists->stats, &stats);
341 c2c_add_stats(&c2c_he->node_stats[node], &stats);
342
343 compute_stats(c2c_he, &stats, sample->weight);
344
345 c2c_he__set_cpu(c2c_he, sample);
346 c2c_he__set_node(c2c_he, sample);
347
348 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
349 ret = hist_entry__append_callchain(he, sample);
350 }
351
352 out:
353 addr_location__put(&al);
354 return ret;
355
356 free_mi:
357 mem_info__put(mi_dup);
358 mem_info__put(mi);
359 ret = -ENOMEM;
360 goto out;
361 }
362
363 static struct perf_c2c c2c = {
364 .tool = {
365 .sample = process_sample_event,
366 .mmap = perf_event__process_mmap,
367 .mmap2 = perf_event__process_mmap2,
368 .comm = perf_event__process_comm,
369 .exit = perf_event__process_exit,
370 .fork = perf_event__process_fork,
371 .lost = perf_event__process_lost,
372 .ordered_events = true,
373 .ordering_requires_timestamps = true,
374 },
375 };
376
377 static const char * const c2c_usage[] = {
378 "perf c2c {record|report}",
379 NULL
380 };
381
382 static const char * const __usage_report[] = {
383 "perf c2c report",
384 NULL
385 };
386
387 static const char * const *report_c2c_usage = __usage_report;
388
389 #define C2C_HEADER_MAX 2
390
391 struct c2c_header {
392 struct {
393 const char *text;
394 int span;
395 } line[C2C_HEADER_MAX];
396 };
397
398 struct c2c_dimension {
399 struct c2c_header header;
400 const char *name;
401 int width;
402 struct sort_entry *se;
403
404 int64_t (*cmp)(struct perf_hpp_fmt *fmt,
405 struct hist_entry *, struct hist_entry *);
406 int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
407 struct hist_entry *he);
408 int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
409 struct hist_entry *he);
410 };
411
412 struct c2c_fmt {
413 struct perf_hpp_fmt fmt;
414 struct c2c_dimension *dim;
415 };
416
417 #define SYMBOL_WIDTH 30
418
419 static struct c2c_dimension dim_symbol;
420 static struct c2c_dimension dim_srcline;
421
422 static int symbol_width(struct hists *hists, struct sort_entry *se)
423 {
424 int width = hists__col_len(hists, se->se_width_idx);
425
426 if (!c2c.symbol_full)
427 width = MIN(width, SYMBOL_WIDTH);
428
429 return width;
430 }
431
432 static int c2c_width(struct perf_hpp_fmt *fmt,
433 struct perf_hpp *hpp __maybe_unused,
434 struct hists *hists)
435 {
436 struct c2c_fmt *c2c_fmt;
437 struct c2c_dimension *dim;
438
439 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
440 dim = c2c_fmt->dim;
441
442 if (dim == &dim_symbol || dim == &dim_srcline)
443 return symbol_width(hists, dim->se);
444
445 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
446 c2c_fmt->dim->width;
447 }
448
449 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
450 struct hists *hists, int line, int *span)
451 {
452 struct perf_hpp_list *hpp_list = hists->hpp_list;
453 struct c2c_fmt *c2c_fmt;
454 struct c2c_dimension *dim;
455 const char *text = NULL;
456 int width = c2c_width(fmt, hpp, hists);
457
458 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
459 dim = c2c_fmt->dim;
460
461 if (dim->se) {
462 text = dim->header.line[line].text;
463 /* Use the last line from sort_entry if not defined. */
464 if (!text && (line == hpp_list->nr_header_lines - 1))
465 text = dim->se->se_header;
466 } else {
467 text = dim->header.line[line].text;
468
469 if (*span) {
470 (*span)--;
471 return 0;
472 } else {
473 *span = dim->header.line[line].span;
474 }
475 }
476
477 if (text == NULL)
478 text = "";
479
480 return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
481 }
482
483 #define HEX_STR(__s, __v) \
484 ({ \
485 scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
486 __s; \
487 })
488
489 static int64_t
490 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
491 struct hist_entry *left, struct hist_entry *right)
492 {
493 return sort__dcacheline_cmp(left, right);
494 }
495
496 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
497 struct hist_entry *he)
498 {
499 uint64_t addr = 0;
500 int width = c2c_width(fmt, hpp, he->hists);
501 char buf[20];
502
503 if (he->mem_info)
504 addr = cl_address(he->mem_info->daddr.addr);
505
506 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
507 }
508
509 static int
510 dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
511 struct hist_entry *he)
512 {
513 struct c2c_hist_entry *c2c_he;
514 int width = c2c_width(fmt, hpp, he->hists);
515
516 c2c_he = container_of(he, struct c2c_hist_entry, he);
517 if (WARN_ON_ONCE(!c2c_he->nodestr))
518 return 0;
519
520 return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
521 }
522
523 static int
524 dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
525 struct hist_entry *he)
526 {
527 struct c2c_hist_entry *c2c_he;
528 int width = c2c_width(fmt, hpp, he->hists);
529
530 c2c_he = container_of(he, struct c2c_hist_entry, he);
531 return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
532 }
533
534 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
535 struct hist_entry *he)
536 {
537 uint64_t addr = 0;
538 int width = c2c_width(fmt, hpp, he->hists);
539 char buf[20];
540
541 if (he->mem_info)
542 addr = cl_offset(he->mem_info->daddr.al_addr);
543
544 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
545 }
546
547 static int64_t
548 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
549 struct hist_entry *left, struct hist_entry *right)
550 {
551 uint64_t l = 0, r = 0;
552
553 if (left->mem_info)
554 l = cl_offset(left->mem_info->daddr.addr);
555 if (right->mem_info)
556 r = cl_offset(right->mem_info->daddr.addr);
557
558 return (int64_t)(r - l);
559 }
560
561 static int
562 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
563 struct hist_entry *he)
564 {
565 uint64_t addr = 0;
566 int width = c2c_width(fmt, hpp, he->hists);
567 char buf[20];
568
569 if (he->mem_info)
570 addr = he->mem_info->iaddr.addr;
571
572 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
573 }
574
575 static int64_t
576 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
577 struct hist_entry *left, struct hist_entry *right)
578 {
579 return sort__iaddr_cmp(left, right);
580 }
581
582 static int
583 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
584 struct hist_entry *he)
585 {
586 struct c2c_hist_entry *c2c_he;
587 int width = c2c_width(fmt, hpp, he->hists);
588 unsigned int tot_hitm;
589
590 c2c_he = container_of(he, struct c2c_hist_entry, he);
591 tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
592
593 return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
594 }
595
596 static int64_t
597 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
598 struct hist_entry *left, struct hist_entry *right)
599 {
600 struct c2c_hist_entry *c2c_left;
601 struct c2c_hist_entry *c2c_right;
602 uint64_t tot_hitm_left;
603 uint64_t tot_hitm_right;
604
605 c2c_left = container_of(left, struct c2c_hist_entry, he);
606 c2c_right = container_of(right, struct c2c_hist_entry, he);
607
608 tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
609 tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
610
611 return tot_hitm_left - tot_hitm_right;
612 }
613
614 #define STAT_FN_ENTRY(__f) \
615 static int \
616 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \
617 struct hist_entry *he) \
618 { \
619 struct c2c_hist_entry *c2c_he; \
620 int width = c2c_width(fmt, hpp, he->hists); \
621 \
622 c2c_he = container_of(he, struct c2c_hist_entry, he); \
623 return scnprintf(hpp->buf, hpp->size, "%*u", width, \
624 c2c_he->stats.__f); \
625 }
626
627 #define STAT_FN_CMP(__f) \
628 static int64_t \
629 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
630 struct hist_entry *left, struct hist_entry *right) \
631 { \
632 struct c2c_hist_entry *c2c_left, *c2c_right; \
633 \
634 c2c_left = container_of(left, struct c2c_hist_entry, he); \
635 c2c_right = container_of(right, struct c2c_hist_entry, he); \
636 return (uint64_t) c2c_left->stats.__f - \
637 (uint64_t) c2c_right->stats.__f; \
638 }
639
640 #define STAT_FN(__f) \
641 STAT_FN_ENTRY(__f) \
642 STAT_FN_CMP(__f)
643
644 STAT_FN(rmt_hitm)
645 STAT_FN(lcl_hitm)
646 STAT_FN(store)
647 STAT_FN(st_l1hit)
648 STAT_FN(st_l1miss)
649 STAT_FN(ld_fbhit)
650 STAT_FN(ld_l1hit)
651 STAT_FN(ld_l2hit)
652 STAT_FN(ld_llchit)
653 STAT_FN(rmt_hit)
654
655 static uint64_t llc_miss(struct c2c_stats *stats)
656 {
657 uint64_t llcmiss;
658
659 llcmiss = stats->lcl_dram +
660 stats->rmt_dram +
661 stats->rmt_hitm +
662 stats->rmt_hit;
663
664 return llcmiss;
665 }
666
667 static int
668 ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
669 struct hist_entry *he)
670 {
671 struct c2c_hist_entry *c2c_he;
672 int width = c2c_width(fmt, hpp, he->hists);
673
674 c2c_he = container_of(he, struct c2c_hist_entry, he);
675
676 return scnprintf(hpp->buf, hpp->size, "%*lu", width,
677 llc_miss(&c2c_he->stats));
678 }
679
680 static int64_t
681 ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
682 struct hist_entry *left, struct hist_entry *right)
683 {
684 struct c2c_hist_entry *c2c_left;
685 struct c2c_hist_entry *c2c_right;
686
687 c2c_left = container_of(left, struct c2c_hist_entry, he);
688 c2c_right = container_of(right, struct c2c_hist_entry, he);
689
690 return (uint64_t) llc_miss(&c2c_left->stats) -
691 (uint64_t) llc_miss(&c2c_right->stats);
692 }
693
694 static uint64_t total_records(struct c2c_stats *stats)
695 {
696 uint64_t lclmiss, ldcnt, total;
697
698 lclmiss = stats->lcl_dram +
699 stats->rmt_dram +
700 stats->rmt_hitm +
701 stats->rmt_hit;
702
703 ldcnt = lclmiss +
704 stats->ld_fbhit +
705 stats->ld_l1hit +
706 stats->ld_l2hit +
707 stats->ld_llchit +
708 stats->lcl_hitm;
709
710 total = ldcnt +
711 stats->st_l1hit +
712 stats->st_l1miss;
713
714 return total;
715 }
716
717 static int
718 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
719 struct hist_entry *he)
720 {
721 struct c2c_hist_entry *c2c_he;
722 int width = c2c_width(fmt, hpp, he->hists);
723 uint64_t tot_recs;
724
725 c2c_he = container_of(he, struct c2c_hist_entry, he);
726 tot_recs = total_records(&c2c_he->stats);
727
728 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
729 }
730
731 static int64_t
732 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
733 struct hist_entry *left, struct hist_entry *right)
734 {
735 struct c2c_hist_entry *c2c_left;
736 struct c2c_hist_entry *c2c_right;
737 uint64_t tot_recs_left;
738 uint64_t tot_recs_right;
739
740 c2c_left = container_of(left, struct c2c_hist_entry, he);
741 c2c_right = container_of(right, struct c2c_hist_entry, he);
742
743 tot_recs_left = total_records(&c2c_left->stats);
744 tot_recs_right = total_records(&c2c_right->stats);
745
746 return tot_recs_left - tot_recs_right;
747 }
748
749 static uint64_t total_loads(struct c2c_stats *stats)
750 {
751 uint64_t lclmiss, ldcnt;
752
753 lclmiss = stats->lcl_dram +
754 stats->rmt_dram +
755 stats->rmt_hitm +
756 stats->rmt_hit;
757
758 ldcnt = lclmiss +
759 stats->ld_fbhit +
760 stats->ld_l1hit +
761 stats->ld_l2hit +
762 stats->ld_llchit +
763 stats->lcl_hitm;
764
765 return ldcnt;
766 }
767
768 static int
769 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
770 struct hist_entry *he)
771 {
772 struct c2c_hist_entry *c2c_he;
773 int width = c2c_width(fmt, hpp, he->hists);
774 uint64_t tot_recs;
775
776 c2c_he = container_of(he, struct c2c_hist_entry, he);
777 tot_recs = total_loads(&c2c_he->stats);
778
779 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
780 }
781
782 static int64_t
783 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
784 struct hist_entry *left, struct hist_entry *right)
785 {
786 struct c2c_hist_entry *c2c_left;
787 struct c2c_hist_entry *c2c_right;
788 uint64_t tot_recs_left;
789 uint64_t tot_recs_right;
790
791 c2c_left = container_of(left, struct c2c_hist_entry, he);
792 c2c_right = container_of(right, struct c2c_hist_entry, he);
793
794 tot_recs_left = total_loads(&c2c_left->stats);
795 tot_recs_right = total_loads(&c2c_right->stats);
796
797 return tot_recs_left - tot_recs_right;
798 }
799
800 typedef double (get_percent_cb)(struct c2c_hist_entry *);
801
802 static int
803 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
804 struct hist_entry *he, get_percent_cb get_percent)
805 {
806 struct c2c_hist_entry *c2c_he;
807 int width = c2c_width(fmt, hpp, he->hists);
808 double per;
809
810 c2c_he = container_of(he, struct c2c_hist_entry, he);
811 per = get_percent(c2c_he);
812
813 #ifdef HAVE_SLANG_SUPPORT
814 if (use_browser)
815 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
816 #endif
817 return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
818 }
819
820 static double percent_hitm(struct c2c_hist_entry *c2c_he)
821 {
822 struct c2c_hists *hists;
823 struct c2c_stats *stats;
824 struct c2c_stats *total;
825 int tot = 0, st = 0;
826 double p;
827
828 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
829 stats = &c2c_he->stats;
830 total = &hists->stats;
831
832 switch (c2c.display) {
833 case DISPLAY_RMT:
834 st = stats->rmt_hitm;
835 tot = total->rmt_hitm;
836 break;
837 case DISPLAY_LCL:
838 st = stats->lcl_hitm;
839 tot = total->lcl_hitm;
840 break;
841 case DISPLAY_TOT:
842 st = stats->tot_hitm;
843 tot = total->tot_hitm;
844 default:
845 break;
846 }
847
848 p = tot ? (double) st / tot : 0;
849
850 return 100 * p;
851 }
852
853 #define PERC_STR(__s, __v) \
854 ({ \
855 scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
856 __s; \
857 })
858
859 static int
860 percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
861 struct hist_entry *he)
862 {
863 struct c2c_hist_entry *c2c_he;
864 int width = c2c_width(fmt, hpp, he->hists);
865 char buf[10];
866 double per;
867
868 c2c_he = container_of(he, struct c2c_hist_entry, he);
869 per = percent_hitm(c2c_he);
870 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
871 }
872
873 static int
874 percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
875 struct hist_entry *he)
876 {
877 return percent_color(fmt, hpp, he, percent_hitm);
878 }
879
880 static int64_t
881 percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
882 struct hist_entry *left, struct hist_entry *right)
883 {
884 struct c2c_hist_entry *c2c_left;
885 struct c2c_hist_entry *c2c_right;
886 double per_left;
887 double per_right;
888
889 c2c_left = container_of(left, struct c2c_hist_entry, he);
890 c2c_right = container_of(right, struct c2c_hist_entry, he);
891
892 per_left = percent_hitm(c2c_left);
893 per_right = percent_hitm(c2c_right);
894
895 return per_left - per_right;
896 }
897
898 static struct c2c_stats *he_stats(struct hist_entry *he)
899 {
900 struct c2c_hist_entry *c2c_he;
901
902 c2c_he = container_of(he, struct c2c_hist_entry, he);
903 return &c2c_he->stats;
904 }
905
906 static struct c2c_stats *total_stats(struct hist_entry *he)
907 {
908 struct c2c_hists *hists;
909
910 hists = container_of(he->hists, struct c2c_hists, hists);
911 return &hists->stats;
912 }
913
914 static double percent(int st, int tot)
915 {
916 return tot ? 100. * (double) st / (double) tot : 0;
917 }
918
919 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
920
921 #define PERCENT_FN(__f) \
922 static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
923 { \
924 struct c2c_hists *hists; \
925 \
926 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
927 return percent(c2c_he->stats.__f, hists->stats.__f); \
928 }
929
930 PERCENT_FN(rmt_hitm)
931 PERCENT_FN(lcl_hitm)
932 PERCENT_FN(st_l1hit)
933 PERCENT_FN(st_l1miss)
934
935 static int
936 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
937 struct hist_entry *he)
938 {
939 int width = c2c_width(fmt, hpp, he->hists);
940 double per = PERCENT(he, rmt_hitm);
941 char buf[10];
942
943 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
944 }
945
946 static int
947 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
948 struct hist_entry *he)
949 {
950 return percent_color(fmt, hpp, he, percent_rmt_hitm);
951 }
952
953 static int64_t
954 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
955 struct hist_entry *left, struct hist_entry *right)
956 {
957 double per_left;
958 double per_right;
959
960 per_left = PERCENT(left, lcl_hitm);
961 per_right = PERCENT(right, lcl_hitm);
962
963 return per_left - per_right;
964 }
965
966 static int
967 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
968 struct hist_entry *he)
969 {
970 int width = c2c_width(fmt, hpp, he->hists);
971 double per = PERCENT(he, lcl_hitm);
972 char buf[10];
973
974 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
975 }
976
977 static int
978 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
979 struct hist_entry *he)
980 {
981 return percent_color(fmt, hpp, he, percent_lcl_hitm);
982 }
983
984 static int64_t
985 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
986 struct hist_entry *left, struct hist_entry *right)
987 {
988 double per_left;
989 double per_right;
990
991 per_left = PERCENT(left, lcl_hitm);
992 per_right = PERCENT(right, lcl_hitm);
993
994 return per_left - per_right;
995 }
996
997 static int
998 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
999 struct hist_entry *he)
1000 {
1001 int width = c2c_width(fmt, hpp, he->hists);
1002 double per = PERCENT(he, st_l1hit);
1003 char buf[10];
1004
1005 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1006 }
1007
1008 static int
1009 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1010 struct hist_entry *he)
1011 {
1012 return percent_color(fmt, hpp, he, percent_st_l1hit);
1013 }
1014
1015 static int64_t
1016 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1017 struct hist_entry *left, struct hist_entry *right)
1018 {
1019 double per_left;
1020 double per_right;
1021
1022 per_left = PERCENT(left, st_l1hit);
1023 per_right = PERCENT(right, st_l1hit);
1024
1025 return per_left - per_right;
1026 }
1027
1028 static int
1029 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1030 struct hist_entry *he)
1031 {
1032 int width = c2c_width(fmt, hpp, he->hists);
1033 double per = PERCENT(he, st_l1miss);
1034 char buf[10];
1035
1036 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1037 }
1038
1039 static int
1040 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1041 struct hist_entry *he)
1042 {
1043 return percent_color(fmt, hpp, he, percent_st_l1miss);
1044 }
1045
1046 static int64_t
1047 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1048 struct hist_entry *left, struct hist_entry *right)
1049 {
1050 double per_left;
1051 double per_right;
1052
1053 per_left = PERCENT(left, st_l1miss);
1054 per_right = PERCENT(right, st_l1miss);
1055
1056 return per_left - per_right;
1057 }
1058
1059 STAT_FN(lcl_dram)
1060 STAT_FN(rmt_dram)
1061
1062 static int
1063 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1064 struct hist_entry *he)
1065 {
1066 int width = c2c_width(fmt, hpp, he->hists);
1067
1068 return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
1069 }
1070
1071 static int64_t
1072 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1073 struct hist_entry *left, struct hist_entry *right)
1074 {
1075 return left->thread->pid_ - right->thread->pid_;
1076 }
1077
1078 static int64_t
1079 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1080 struct hist_entry *left __maybe_unused,
1081 struct hist_entry *right __maybe_unused)
1082 {
1083 return 0;
1084 }
1085
1086 static int
1087 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1088 struct hist_entry *he)
1089 {
1090 struct c2c_hist_entry *c2c_he;
1091 bool first = true;
1092 int node;
1093 int ret = 0;
1094
1095 c2c_he = container_of(he, struct c2c_hist_entry, he);
1096
1097 for (node = 0; node < c2c.nodes_cnt; node++) {
1098 DECLARE_BITMAP(set, c2c.cpus_cnt);
1099
1100 bitmap_zero(set, c2c.cpus_cnt);
1101 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1102
1103 if (!bitmap_weight(set, c2c.cpus_cnt)) {
1104 if (c2c.node_info == 1) {
1105 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1106 advance_hpp(hpp, ret);
1107 }
1108 continue;
1109 }
1110
1111 if (!first) {
1112 ret = scnprintf(hpp->buf, hpp->size, " ");
1113 advance_hpp(hpp, ret);
1114 }
1115
1116 switch (c2c.node_info) {
1117 case 0:
1118 ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1119 advance_hpp(hpp, ret);
1120 break;
1121 case 1:
1122 {
1123 int num = bitmap_weight(set, c2c.cpus_cnt);
1124 struct c2c_stats *stats = &c2c_he->node_stats[node];
1125
1126 ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1127 advance_hpp(hpp, ret);
1128
1129 #define DISPLAY_HITM(__h) \
1130 if (c2c_he->stats.__h> 0) { \
1131 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ", \
1132 percent(stats->__h, c2c_he->stats.__h));\
1133 } else { \
1134 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a"); \
1135 }
1136
1137 switch (c2c.display) {
1138 case DISPLAY_RMT:
1139 DISPLAY_HITM(rmt_hitm);
1140 break;
1141 case DISPLAY_LCL:
1142 DISPLAY_HITM(lcl_hitm);
1143 break;
1144 case DISPLAY_TOT:
1145 DISPLAY_HITM(tot_hitm);
1146 default:
1147 break;
1148 }
1149
1150 #undef DISPLAY_HITM
1151
1152 advance_hpp(hpp, ret);
1153
1154 if (c2c_he->stats.store > 0) {
1155 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1156 percent(stats->store, c2c_he->stats.store));
1157 } else {
1158 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1159 }
1160
1161 advance_hpp(hpp, ret);
1162 break;
1163 }
1164 case 2:
1165 ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1166 advance_hpp(hpp, ret);
1167
1168 ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1169 advance_hpp(hpp, ret);
1170
1171 ret = scnprintf(hpp->buf, hpp->size, "}");
1172 advance_hpp(hpp, ret);
1173 break;
1174 default:
1175 break;
1176 }
1177
1178 first = false;
1179 }
1180
1181 return 0;
1182 }
1183
1184 static int
1185 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1186 struct hist_entry *he, double mean)
1187 {
1188 int width = c2c_width(fmt, hpp, he->hists);
1189 char buf[10];
1190
1191 scnprintf(buf, 10, "%6.0f", mean);
1192 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1193 }
1194
1195 #define MEAN_ENTRY(__func, __val) \
1196 static int \
1197 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
1198 { \
1199 struct c2c_hist_entry *c2c_he; \
1200 c2c_he = container_of(he, struct c2c_hist_entry, he); \
1201 return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \
1202 }
1203
1204 MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
1205 MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
1206 MEAN_ENTRY(mean_load_entry, load);
1207
1208 static int
1209 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1210 struct hist_entry *he)
1211 {
1212 struct c2c_hist_entry *c2c_he;
1213 int width = c2c_width(fmt, hpp, he->hists);
1214 char buf[10];
1215
1216 c2c_he = container_of(he, struct c2c_hist_entry, he);
1217
1218 scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1219 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1220 }
1221
1222 static int
1223 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1224 struct hist_entry *he)
1225 {
1226 struct c2c_hist_entry *c2c_he;
1227 int width = c2c_width(fmt, hpp, he->hists);
1228 char buf[10];
1229
1230 c2c_he = container_of(he, struct c2c_hist_entry, he);
1231
1232 scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1233 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1234 }
1235
1236 static int
1237 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1238 struct hist_entry *he)
1239 {
1240 int width = c2c_width(fmt, hpp, he->hists);
1241
1242 return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1243 }
1244
1245 #define HEADER_LOW(__h) \
1246 { \
1247 .line[1] = { \
1248 .text = __h, \
1249 }, \
1250 }
1251
1252 #define HEADER_BOTH(__h0, __h1) \
1253 { \
1254 .line[0] = { \
1255 .text = __h0, \
1256 }, \
1257 .line[1] = { \
1258 .text = __h1, \
1259 }, \
1260 }
1261
1262 #define HEADER_SPAN(__h0, __h1, __s) \
1263 { \
1264 .line[0] = { \
1265 .text = __h0, \
1266 .span = __s, \
1267 }, \
1268 .line[1] = { \
1269 .text = __h1, \
1270 }, \
1271 }
1272
1273 #define HEADER_SPAN_LOW(__h) \
1274 { \
1275 .line[1] = { \
1276 .text = __h, \
1277 }, \
1278 }
1279
1280 static struct c2c_dimension dim_dcacheline = {
1281 .header = HEADER_SPAN("--- Cacheline ----", "Address", 2),
1282 .name = "dcacheline",
1283 .cmp = dcacheline_cmp,
1284 .entry = dcacheline_entry,
1285 .width = 18,
1286 };
1287
1288 static struct c2c_dimension dim_dcacheline_node = {
1289 .header = HEADER_LOW("Node"),
1290 .name = "dcacheline_node",
1291 .cmp = empty_cmp,
1292 .entry = dcacheline_node_entry,
1293 .width = 4,
1294 };
1295
1296 static struct c2c_dimension dim_dcacheline_count = {
1297 .header = HEADER_LOW("PA cnt"),
1298 .name = "dcacheline_count",
1299 .cmp = empty_cmp,
1300 .entry = dcacheline_node_count,
1301 .width = 6,
1302 };
1303
1304 static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1305
1306 static struct c2c_dimension dim_offset = {
1307 .header = HEADER_SPAN("--- Data address -", "Offset", 2),
1308 .name = "offset",
1309 .cmp = offset_cmp,
1310 .entry = offset_entry,
1311 .width = 18,
1312 };
1313
1314 static struct c2c_dimension dim_offset_node = {
1315 .header = HEADER_LOW("Node"),
1316 .name = "offset_node",
1317 .cmp = empty_cmp,
1318 .entry = dcacheline_node_entry,
1319 .width = 4,
1320 };
1321
1322 static struct c2c_dimension dim_iaddr = {
1323 .header = HEADER_LOW("Code address"),
1324 .name = "iaddr",
1325 .cmp = iaddr_cmp,
1326 .entry = iaddr_entry,
1327 .width = 18,
1328 };
1329
1330 static struct c2c_dimension dim_tot_hitm = {
1331 .header = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1332 .name = "tot_hitm",
1333 .cmp = tot_hitm_cmp,
1334 .entry = tot_hitm_entry,
1335 .width = 7,
1336 };
1337
1338 static struct c2c_dimension dim_lcl_hitm = {
1339 .header = HEADER_SPAN_LOW("Lcl"),
1340 .name = "lcl_hitm",
1341 .cmp = lcl_hitm_cmp,
1342 .entry = lcl_hitm_entry,
1343 .width = 7,
1344 };
1345
1346 static struct c2c_dimension dim_rmt_hitm = {
1347 .header = HEADER_SPAN_LOW("Rmt"),
1348 .name = "rmt_hitm",
1349 .cmp = rmt_hitm_cmp,
1350 .entry = rmt_hitm_entry,
1351 .width = 7,
1352 };
1353
1354 static struct c2c_dimension dim_cl_rmt_hitm = {
1355 .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1356 .name = "cl_rmt_hitm",
1357 .cmp = rmt_hitm_cmp,
1358 .entry = rmt_hitm_entry,
1359 .width = 7,
1360 };
1361
1362 static struct c2c_dimension dim_cl_lcl_hitm = {
1363 .header = HEADER_SPAN_LOW("Lcl"),
1364 .name = "cl_lcl_hitm",
1365 .cmp = lcl_hitm_cmp,
1366 .entry = lcl_hitm_entry,
1367 .width = 7,
1368 };
1369
1370 static struct c2c_dimension dim_stores = {
1371 .header = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1372 .name = "stores",
1373 .cmp = store_cmp,
1374 .entry = store_entry,
1375 .width = 7,
1376 };
1377
1378 static struct c2c_dimension dim_stores_l1hit = {
1379 .header = HEADER_SPAN_LOW("L1Hit"),
1380 .name = "stores_l1hit",
1381 .cmp = st_l1hit_cmp,
1382 .entry = st_l1hit_entry,
1383 .width = 7,
1384 };
1385
1386 static struct c2c_dimension dim_stores_l1miss = {
1387 .header = HEADER_SPAN_LOW("L1Miss"),
1388 .name = "stores_l1miss",
1389 .cmp = st_l1miss_cmp,
1390 .entry = st_l1miss_entry,
1391 .width = 7,
1392 };
1393
1394 static struct c2c_dimension dim_cl_stores_l1hit = {
1395 .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1396 .name = "cl_stores_l1hit",
1397 .cmp = st_l1hit_cmp,
1398 .entry = st_l1hit_entry,
1399 .width = 7,
1400 };
1401
1402 static struct c2c_dimension dim_cl_stores_l1miss = {
1403 .header = HEADER_SPAN_LOW("L1 Miss"),
1404 .name = "cl_stores_l1miss",
1405 .cmp = st_l1miss_cmp,
1406 .entry = st_l1miss_entry,
1407 .width = 7,
1408 };
1409
1410 static struct c2c_dimension dim_ld_fbhit = {
1411 .header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1412 .name = "ld_fbhit",
1413 .cmp = ld_fbhit_cmp,
1414 .entry = ld_fbhit_entry,
1415 .width = 7,
1416 };
1417
1418 static struct c2c_dimension dim_ld_l1hit = {
1419 .header = HEADER_SPAN_LOW("L1"),
1420 .name = "ld_l1hit",
1421 .cmp = ld_l1hit_cmp,
1422 .entry = ld_l1hit_entry,
1423 .width = 7,
1424 };
1425
1426 static struct c2c_dimension dim_ld_l2hit = {
1427 .header = HEADER_SPAN_LOW("L2"),
1428 .name = "ld_l2hit",
1429 .cmp = ld_l2hit_cmp,
1430 .entry = ld_l2hit_entry,
1431 .width = 7,
1432 };
1433
1434 static struct c2c_dimension dim_ld_llchit = {
1435 .header = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1436 .name = "ld_lclhit",
1437 .cmp = ld_llchit_cmp,
1438 .entry = ld_llchit_entry,
1439 .width = 8,
1440 };
1441
1442 static struct c2c_dimension dim_ld_rmthit = {
1443 .header = HEADER_SPAN_LOW("Rmt"),
1444 .name = "ld_rmthit",
1445 .cmp = rmt_hit_cmp,
1446 .entry = rmt_hit_entry,
1447 .width = 8,
1448 };
1449
1450 static struct c2c_dimension dim_ld_llcmiss = {
1451 .header = HEADER_BOTH("LLC", "Ld Miss"),
1452 .name = "ld_llcmiss",
1453 .cmp = ld_llcmiss_cmp,
1454 .entry = ld_llcmiss_entry,
1455 .width = 7,
1456 };
1457
1458 static struct c2c_dimension dim_tot_recs = {
1459 .header = HEADER_BOTH("Total", "records"),
1460 .name = "tot_recs",
1461 .cmp = tot_recs_cmp,
1462 .entry = tot_recs_entry,
1463 .width = 7,
1464 };
1465
1466 static struct c2c_dimension dim_tot_loads = {
1467 .header = HEADER_BOTH("Total", "Loads"),
1468 .name = "tot_loads",
1469 .cmp = tot_loads_cmp,
1470 .entry = tot_loads_entry,
1471 .width = 7,
1472 };
1473
1474 static struct c2c_header percent_hitm_header[] = {
1475 [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
1476 [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
1477 [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
1478 };
1479
1480 static struct c2c_dimension dim_percent_hitm = {
1481 .name = "percent_hitm",
1482 .cmp = percent_hitm_cmp,
1483 .entry = percent_hitm_entry,
1484 .color = percent_hitm_color,
1485 .width = 7,
1486 };
1487
1488 static struct c2c_dimension dim_percent_rmt_hitm = {
1489 .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1490 .name = "percent_rmt_hitm",
1491 .cmp = percent_rmt_hitm_cmp,
1492 .entry = percent_rmt_hitm_entry,
1493 .color = percent_rmt_hitm_color,
1494 .width = 7,
1495 };
1496
1497 static struct c2c_dimension dim_percent_lcl_hitm = {
1498 .header = HEADER_SPAN_LOW("Lcl"),
1499 .name = "percent_lcl_hitm",
1500 .cmp = percent_lcl_hitm_cmp,
1501 .entry = percent_lcl_hitm_entry,
1502 .color = percent_lcl_hitm_color,
1503 .width = 7,
1504 };
1505
1506 static struct c2c_dimension dim_percent_stores_l1hit = {
1507 .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1508 .name = "percent_stores_l1hit",
1509 .cmp = percent_stores_l1hit_cmp,
1510 .entry = percent_stores_l1hit_entry,
1511 .color = percent_stores_l1hit_color,
1512 .width = 7,
1513 };
1514
1515 static struct c2c_dimension dim_percent_stores_l1miss = {
1516 .header = HEADER_SPAN_LOW("L1 Miss"),
1517 .name = "percent_stores_l1miss",
1518 .cmp = percent_stores_l1miss_cmp,
1519 .entry = percent_stores_l1miss_entry,
1520 .color = percent_stores_l1miss_color,
1521 .width = 7,
1522 };
1523
1524 static struct c2c_dimension dim_dram_lcl = {
1525 .header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1526 .name = "dram_lcl",
1527 .cmp = lcl_dram_cmp,
1528 .entry = lcl_dram_entry,
1529 .width = 8,
1530 };
1531
1532 static struct c2c_dimension dim_dram_rmt = {
1533 .header = HEADER_SPAN_LOW("Rmt"),
1534 .name = "dram_rmt",
1535 .cmp = rmt_dram_cmp,
1536 .entry = rmt_dram_entry,
1537 .width = 8,
1538 };
1539
1540 static struct c2c_dimension dim_pid = {
1541 .header = HEADER_LOW("Pid"),
1542 .name = "pid",
1543 .cmp = pid_cmp,
1544 .entry = pid_entry,
1545 .width = 7,
1546 };
1547
1548 static struct c2c_dimension dim_tid = {
1549 .header = HEADER_LOW("Tid"),
1550 .name = "tid",
1551 .se = &sort_thread,
1552 };
1553
1554 static struct c2c_dimension dim_symbol = {
1555 .name = "symbol",
1556 .se = &sort_sym,
1557 };
1558
1559 static struct c2c_dimension dim_dso = {
1560 .header = HEADER_BOTH("Shared", "Object"),
1561 .name = "dso",
1562 .se = &sort_dso,
1563 };
1564
1565 static struct c2c_header header_node[3] = {
1566 HEADER_LOW("Node"),
1567 HEADER_LOW("Node{cpus %hitms %stores}"),
1568 HEADER_LOW("Node{cpu list}"),
1569 };
1570
1571 static struct c2c_dimension dim_node = {
1572 .name = "node",
1573 .cmp = empty_cmp,
1574 .entry = node_entry,
1575 .width = 4,
1576 };
1577
1578 static struct c2c_dimension dim_mean_rmt = {
1579 .header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1580 .name = "mean_rmt",
1581 .cmp = empty_cmp,
1582 .entry = mean_rmt_entry,
1583 .width = 8,
1584 };
1585
1586 static struct c2c_dimension dim_mean_lcl = {
1587 .header = HEADER_SPAN_LOW("lcl hitm"),
1588 .name = "mean_lcl",
1589 .cmp = empty_cmp,
1590 .entry = mean_lcl_entry,
1591 .width = 8,
1592 };
1593
1594 static struct c2c_dimension dim_mean_load = {
1595 .header = HEADER_SPAN_LOW("load"),
1596 .name = "mean_load",
1597 .cmp = empty_cmp,
1598 .entry = mean_load_entry,
1599 .width = 8,
1600 };
1601
1602 static struct c2c_dimension dim_cpucnt = {
1603 .header = HEADER_BOTH("cpu", "cnt"),
1604 .name = "cpucnt",
1605 .cmp = empty_cmp,
1606 .entry = cpucnt_entry,
1607 .width = 8,
1608 };
1609
1610 static struct c2c_dimension dim_srcline = {
1611 .name = "cl_srcline",
1612 .se = &sort_srcline,
1613 };
1614
1615 static struct c2c_dimension dim_dcacheline_idx = {
1616 .header = HEADER_LOW("Index"),
1617 .name = "cl_idx",
1618 .cmp = empty_cmp,
1619 .entry = cl_idx_entry,
1620 .width = 5,
1621 };
1622
1623 static struct c2c_dimension dim_dcacheline_num = {
1624 .header = HEADER_LOW("Num"),
1625 .name = "cl_num",
1626 .cmp = empty_cmp,
1627 .entry = cl_idx_entry,
1628 .width = 5,
1629 };
1630
1631 static struct c2c_dimension dim_dcacheline_num_empty = {
1632 .header = HEADER_LOW("Num"),
1633 .name = "cl_num_empty",
1634 .cmp = empty_cmp,
1635 .entry = cl_idx_empty_entry,
1636 .width = 5,
1637 };
1638
1639 static struct c2c_dimension *dimensions[] = {
1640 &dim_dcacheline,
1641 &dim_dcacheline_node,
1642 &dim_dcacheline_count,
1643 &dim_offset,
1644 &dim_offset_node,
1645 &dim_iaddr,
1646 &dim_tot_hitm,
1647 &dim_lcl_hitm,
1648 &dim_rmt_hitm,
1649 &dim_cl_lcl_hitm,
1650 &dim_cl_rmt_hitm,
1651 &dim_stores,
1652 &dim_stores_l1hit,
1653 &dim_stores_l1miss,
1654 &dim_cl_stores_l1hit,
1655 &dim_cl_stores_l1miss,
1656 &dim_ld_fbhit,
1657 &dim_ld_l1hit,
1658 &dim_ld_l2hit,
1659 &dim_ld_llchit,
1660 &dim_ld_rmthit,
1661 &dim_ld_llcmiss,
1662 &dim_tot_recs,
1663 &dim_tot_loads,
1664 &dim_percent_hitm,
1665 &dim_percent_rmt_hitm,
1666 &dim_percent_lcl_hitm,
1667 &dim_percent_stores_l1hit,
1668 &dim_percent_stores_l1miss,
1669 &dim_dram_lcl,
1670 &dim_dram_rmt,
1671 &dim_pid,
1672 &dim_tid,
1673 &dim_symbol,
1674 &dim_dso,
1675 &dim_node,
1676 &dim_mean_rmt,
1677 &dim_mean_lcl,
1678 &dim_mean_load,
1679 &dim_cpucnt,
1680 &dim_srcline,
1681 &dim_dcacheline_idx,
1682 &dim_dcacheline_num,
1683 &dim_dcacheline_num_empty,
1684 NULL,
1685 };
1686
1687 static void fmt_free(struct perf_hpp_fmt *fmt)
1688 {
1689 struct c2c_fmt *c2c_fmt;
1690
1691 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1692 free(c2c_fmt);
1693 }
1694
1695 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1696 {
1697 struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1698 struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1699
1700 return c2c_a->dim == c2c_b->dim;
1701 }
1702
1703 static struct c2c_dimension *get_dimension(const char *name)
1704 {
1705 unsigned int i;
1706
1707 for (i = 0; dimensions[i]; i++) {
1708 struct c2c_dimension *dim = dimensions[i];
1709
1710 if (!strcmp(dim->name, name))
1711 return dim;
1712 }
1713
1714 return NULL;
1715 }
1716
1717 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1718 struct hist_entry *he)
1719 {
1720 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1721 struct c2c_dimension *dim = c2c_fmt->dim;
1722 size_t len = fmt->user_len;
1723
1724 if (!len) {
1725 len = hists__col_len(he->hists, dim->se->se_width_idx);
1726
1727 if (dim == &dim_symbol || dim == &dim_srcline)
1728 len = symbol_width(he->hists, dim->se);
1729 }
1730
1731 return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1732 }
1733
1734 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1735 struct hist_entry *a, struct hist_entry *b)
1736 {
1737 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1738 struct c2c_dimension *dim = c2c_fmt->dim;
1739
1740 return dim->se->se_cmp(a, b);
1741 }
1742
1743 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1744 struct hist_entry *a, struct hist_entry *b)
1745 {
1746 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1747 struct c2c_dimension *dim = c2c_fmt->dim;
1748 int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1749
1750 collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1751 return collapse_fn(a, b);
1752 }
1753
1754 static struct c2c_fmt *get_format(const char *name)
1755 {
1756 struct c2c_dimension *dim = get_dimension(name);
1757 struct c2c_fmt *c2c_fmt;
1758 struct perf_hpp_fmt *fmt;
1759
1760 if (!dim)
1761 return NULL;
1762
1763 c2c_fmt = zalloc(sizeof(*c2c_fmt));
1764 if (!c2c_fmt)
1765 return NULL;
1766
1767 c2c_fmt->dim = dim;
1768
1769 fmt = &c2c_fmt->fmt;
1770 INIT_LIST_HEAD(&fmt->list);
1771 INIT_LIST_HEAD(&fmt->sort_list);
1772
1773 fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
1774 fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
1775 fmt->color = dim->se ? NULL : dim->color;
1776 fmt->entry = dim->se ? c2c_se_entry : dim->entry;
1777 fmt->header = c2c_header;
1778 fmt->width = c2c_width;
1779 fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp;
1780 fmt->equal = fmt_equal;
1781 fmt->free = fmt_free;
1782
1783 return c2c_fmt;
1784 }
1785
1786 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1787 {
1788 struct c2c_fmt *c2c_fmt = get_format(name);
1789
1790 if (!c2c_fmt) {
1791 reset_dimensions();
1792 return output_field_add(hpp_list, name);
1793 }
1794
1795 perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1796 return 0;
1797 }
1798
1799 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1800 {
1801 struct c2c_fmt *c2c_fmt = get_format(name);
1802 struct c2c_dimension *dim;
1803
1804 if (!c2c_fmt) {
1805 reset_dimensions();
1806 return sort_dimension__add(hpp_list, name, NULL, 0);
1807 }
1808
1809 dim = c2c_fmt->dim;
1810 if (dim == &dim_dso)
1811 hpp_list->dso = 1;
1812
1813 perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1814 return 0;
1815 }
1816
1817 #define PARSE_LIST(_list, _fn) \
1818 do { \
1819 char *tmp, *tok; \
1820 ret = 0; \
1821 \
1822 if (!_list) \
1823 break; \
1824 \
1825 for (tok = strtok_r((char *)_list, ", ", &tmp); \
1826 tok; tok = strtok_r(NULL, ", ", &tmp)) { \
1827 ret = _fn(hpp_list, tok); \
1828 if (ret == -EINVAL) { \
1829 pr_err("Invalid --fields key: `%s'", tok); \
1830 break; \
1831 } else if (ret == -ESRCH) { \
1832 pr_err("Unknown --fields key: `%s'", tok); \
1833 break; \
1834 } \
1835 } \
1836 } while (0)
1837
1838 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1839 const char *output_,
1840 const char *sort_)
1841 {
1842 char *output = output_ ? strdup(output_) : NULL;
1843 char *sort = sort_ ? strdup(sort_) : NULL;
1844 int ret;
1845
1846 PARSE_LIST(output, c2c_hists__init_output);
1847 PARSE_LIST(sort, c2c_hists__init_sort);
1848
1849 /* copy sort keys to output fields */
1850 perf_hpp__setup_output_field(hpp_list);
1851
1852 /*
1853 * We dont need other sorting keys other than those
1854 * we already specified. It also really slows down
1855 * the processing a lot with big number of output
1856 * fields, so switching this off for c2c.
1857 */
1858
1859 #if 0
1860 /* and then copy output fields to sort keys */
1861 perf_hpp__append_sort_keys(&hists->list);
1862 #endif
1863
1864 free(output);
1865 free(sort);
1866 return ret;
1867 }
1868
1869 static int c2c_hists__init(struct c2c_hists *hists,
1870 const char *sort,
1871 int nr_header_lines)
1872 {
1873 __hists__init(&hists->hists, &hists->list);
1874
1875 /*
1876 * Initialize only with sort fields, we need to resort
1877 * later anyway, and that's where we add output fields
1878 * as well.
1879 */
1880 perf_hpp_list__init(&hists->list);
1881
1882 /* Overload number of header lines.*/
1883 hists->list.nr_header_lines = nr_header_lines;
1884
1885 return hpp_list__parse(&hists->list, NULL, sort);
1886 }
1887
1888 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1889 const char *output,
1890 const char *sort)
1891 {
1892 perf_hpp__reset_output_field(&c2c_hists->list);
1893 return hpp_list__parse(&c2c_hists->list, output, sort);
1894 }
1895
1896 #define DISPLAY_LINE_LIMIT 0.001
1897
1898 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
1899 {
1900 struct c2c_hist_entry *c2c_he;
1901 double ld_dist;
1902
1903 if (c2c.show_all)
1904 return true;
1905
1906 c2c_he = container_of(he, struct c2c_hist_entry, he);
1907
1908 #define FILTER_HITM(__h) \
1909 if (stats->__h) { \
1910 ld_dist = ((double)c2c_he->stats.__h / stats->__h); \
1911 if (ld_dist < DISPLAY_LINE_LIMIT) \
1912 he->filtered = HIST_FILTER__C2C; \
1913 } else { \
1914 he->filtered = HIST_FILTER__C2C; \
1915 }
1916
1917 switch (c2c.display) {
1918 case DISPLAY_LCL:
1919 FILTER_HITM(lcl_hitm);
1920 break;
1921 case DISPLAY_RMT:
1922 FILTER_HITM(rmt_hitm);
1923 break;
1924 case DISPLAY_TOT:
1925 FILTER_HITM(tot_hitm);
1926 default:
1927 break;
1928 }
1929
1930 #undef FILTER_HITM
1931
1932 return he->filtered == 0;
1933 }
1934
1935 static inline int valid_hitm_or_store(struct hist_entry *he)
1936 {
1937 struct c2c_hist_entry *c2c_he;
1938 bool has_hitm;
1939
1940 c2c_he = container_of(he, struct c2c_hist_entry, he);
1941 has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
1942 c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
1943 c2c_he->stats.rmt_hitm;
1944 return has_hitm || c2c_he->stats.store;
1945 }
1946
1947 static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
1948 {
1949 struct c2c_dimension *dim;
1950
1951 dim = &c2c.hists == c2c_he->hists ?
1952 &dim_dcacheline_node : &dim_offset_node;
1953
1954 if (len > dim->width)
1955 dim->width = len;
1956 }
1957
1958 static int set_nodestr(struct c2c_hist_entry *c2c_he)
1959 {
1960 char buf[30];
1961 int len;
1962
1963 if (c2c_he->nodestr)
1964 return 0;
1965
1966 if (bitmap_weight(c2c_he->nodeset, c2c.nodes_cnt)) {
1967 len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
1968 buf, sizeof(buf));
1969 } else {
1970 len = scnprintf(buf, sizeof(buf), "N/A");
1971 }
1972
1973 set_node_width(c2c_he, len);
1974 c2c_he->nodestr = strdup(buf);
1975 return c2c_he->nodestr ? 0 : -ENOMEM;
1976 }
1977
1978 static void calc_width(struct c2c_hist_entry *c2c_he)
1979 {
1980 struct c2c_hists *c2c_hists;
1981
1982 c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
1983 hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
1984 set_nodestr(c2c_he);
1985 }
1986
1987 static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
1988 {
1989 struct c2c_hist_entry *c2c_he;
1990
1991 c2c_he = container_of(he, struct c2c_hist_entry, he);
1992
1993 if (c2c.show_src && !he->srcline)
1994 he->srcline = hist_entry__srcline(he);
1995
1996 calc_width(c2c_he);
1997
1998 if (!valid_hitm_or_store(he))
1999 he->filtered = HIST_FILTER__C2C;
2000
2001 return 0;
2002 }
2003
2004 static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2005 {
2006 struct c2c_hist_entry *c2c_he;
2007 struct c2c_hists *c2c_hists;
2008 bool display = he__display(he, &c2c.hitm_stats);
2009
2010 c2c_he = container_of(he, struct c2c_hist_entry, he);
2011 c2c_hists = c2c_he->hists;
2012
2013 if (display && c2c_hists) {
2014 static unsigned int idx;
2015
2016 c2c_he->cacheline_idx = idx++;
2017 calc_width(c2c_he);
2018
2019 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
2020
2021 hists__collapse_resort(&c2c_hists->hists, NULL);
2022 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
2023 }
2024
2025 return 0;
2026 }
2027
2028 static void setup_nodes_header(void)
2029 {
2030 dim_node.header = header_node[c2c.node_info];
2031 }
2032
2033 static int setup_nodes(struct perf_session *session)
2034 {
2035 struct numa_node *n;
2036 unsigned long **nodes;
2037 int node, cpu;
2038 int *cpu2node;
2039
2040 if (c2c.node_info > 2)
2041 c2c.node_info = 2;
2042
2043 c2c.nodes_cnt = session->header.env.nr_numa_nodes;
2044 c2c.cpus_cnt = session->header.env.nr_cpus_avail;
2045
2046 n = session->header.env.numa_nodes;
2047 if (!n)
2048 return -EINVAL;
2049
2050 nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
2051 if (!nodes)
2052 return -ENOMEM;
2053
2054 c2c.nodes = nodes;
2055
2056 cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
2057 if (!cpu2node)
2058 return -ENOMEM;
2059
2060 for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
2061 cpu2node[cpu] = -1;
2062
2063 c2c.cpu2node = cpu2node;
2064
2065 for (node = 0; node < c2c.nodes_cnt; node++) {
2066 struct perf_cpu_map *map = n[node].map;
2067 unsigned long *set;
2068
2069 set = bitmap_alloc(c2c.cpus_cnt);
2070 if (!set)
2071 return -ENOMEM;
2072
2073 nodes[node] = set;
2074
2075 /* empty node, skip */
2076 if (perf_cpu_map__empty(map))
2077 continue;
2078
2079 for (cpu = 0; cpu < map->nr; cpu++) {
2080 set_bit(map->map[cpu], set);
2081
2082 if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
2083 return -EINVAL;
2084
2085 cpu2node[map->map[cpu]] = node;
2086 }
2087 }
2088
2089 setup_nodes_header();
2090 return 0;
2091 }
2092
2093 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
2094
2095 static int resort_hitm_cb(struct hist_entry *he, void *arg __maybe_unused)
2096 {
2097 struct c2c_hist_entry *c2c_he;
2098 c2c_he = container_of(he, struct c2c_hist_entry, he);
2099
2100 if (HAS_HITMS(c2c_he)) {
2101 c2c.shared_clines++;
2102 c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
2103 }
2104
2105 return 0;
2106 }
2107
2108 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
2109 {
2110 struct rb_node *next = rb_first_cached(&hists->entries);
2111 int ret = 0;
2112
2113 while (next) {
2114 struct hist_entry *he;
2115
2116 he = rb_entry(next, struct hist_entry, rb_node);
2117 ret = cb(he, NULL);
2118 if (ret)
2119 break;
2120 next = rb_next(&he->rb_node);
2121 }
2122
2123 return ret;
2124 }
2125
2126 static void print_c2c__display_stats(FILE *out)
2127 {
2128 int llc_misses;
2129 struct c2c_stats *stats = &c2c.hists.stats;
2130
2131 llc_misses = stats->lcl_dram +
2132 stats->rmt_dram +
2133 stats->rmt_hit +
2134 stats->rmt_hitm;
2135
2136 fprintf(out, "=================================================\n");
2137 fprintf(out, " Trace Event Information \n");
2138 fprintf(out, "=================================================\n");
2139 fprintf(out, " Total records : %10d\n", stats->nr_entries);
2140 fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks);
2141 fprintf(out, " Load Operations : %10d\n", stats->load);
2142 fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache);
2143 fprintf(out, " Loads - IO : %10d\n", stats->ld_io);
2144 fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss);
2145 fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs);
2146 fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit);
2147 fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit);
2148 fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit);
2149 fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2150 fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm);
2151 fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm);
2152 fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit);
2153 fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram);
2154 fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram);
2155 fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
2156 fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
2157 fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
2158 fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2159 fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2160 fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2161 fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2162 fprintf(out, " Store Operations : %10d\n", stats->store);
2163 fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache);
2164 fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
2165 fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
2166 fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
2167 fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
2168 fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
2169 }
2170
2171 static void print_shared_cacheline_info(FILE *out)
2172 {
2173 struct c2c_stats *stats = &c2c.hitm_stats;
2174 int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2175
2176 fprintf(out, "=================================================\n");
2177 fprintf(out, " Global Shared Cache Line Event Information \n");
2178 fprintf(out, "=================================================\n");
2179 fprintf(out, " Total Shared Cache Lines : %10d\n", c2c.shared_clines);
2180 fprintf(out, " Load HITs on shared lines : %10d\n", stats->load);
2181 fprintf(out, " Fill Buffer Hits on shared lines : %10d\n", stats->ld_fbhit);
2182 fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit);
2183 fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit);
2184 fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2185 fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks);
2186 fprintf(out, " Store HITs on shared lines : %10d\n", stats->store);
2187 fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit);
2188 fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store);
2189 }
2190
2191 static void print_cacheline(struct c2c_hists *c2c_hists,
2192 struct hist_entry *he_cl,
2193 struct perf_hpp_list *hpp_list,
2194 FILE *out)
2195 {
2196 char bf[1000];
2197 struct perf_hpp hpp = {
2198 .buf = bf,
2199 .size = 1000,
2200 };
2201 static bool once;
2202
2203 if (!once) {
2204 hists__fprintf_headers(&c2c_hists->hists, out);
2205 once = true;
2206 } else {
2207 fprintf(out, "\n");
2208 }
2209
2210 fprintf(out, " -------------------------------------------------------------\n");
2211 __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2212 fprintf(out, "%s\n", bf);
2213 fprintf(out, " -------------------------------------------------------------\n");
2214
2215 hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
2216 }
2217
2218 static void print_pareto(FILE *out)
2219 {
2220 struct perf_hpp_list hpp_list;
2221 struct rb_node *nd;
2222 int ret;
2223
2224 perf_hpp_list__init(&hpp_list);
2225 ret = hpp_list__parse(&hpp_list,
2226 "cl_num,"
2227 "cl_rmt_hitm,"
2228 "cl_lcl_hitm,"
2229 "cl_stores_l1hit,"
2230 "cl_stores_l1miss,"
2231 "dcacheline",
2232 NULL);
2233
2234 if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2235 return;
2236
2237 nd = rb_first_cached(&c2c.hists.hists.entries);
2238
2239 for (; nd; nd = rb_next(nd)) {
2240 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2241 struct c2c_hist_entry *c2c_he;
2242
2243 if (he->filtered)
2244 continue;
2245
2246 c2c_he = container_of(he, struct c2c_hist_entry, he);
2247 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2248 }
2249 }
2250
2251 static void print_c2c_info(FILE *out, struct perf_session *session)
2252 {
2253 struct evlist *evlist = session->evlist;
2254 struct evsel *evsel;
2255 bool first = true;
2256
2257 fprintf(out, "=================================================\n");
2258 fprintf(out, " c2c details \n");
2259 fprintf(out, "=================================================\n");
2260
2261 evlist__for_each_entry(evlist, evsel) {
2262 fprintf(out, "%-36s: %s\n", first ? " Events" : "", evsel__name(evsel));
2263 first = false;
2264 }
2265 fprintf(out, " Cachelines sort on : %s HITMs\n",
2266 display_str[c2c.display]);
2267 fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
2268 }
2269
2270 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2271 {
2272 setup_pager();
2273
2274 print_c2c__display_stats(out);
2275 fprintf(out, "\n");
2276 print_shared_cacheline_info(out);
2277 fprintf(out, "\n");
2278 print_c2c_info(out, session);
2279
2280 if (c2c.stats_only)
2281 return;
2282
2283 fprintf(out, "\n");
2284 fprintf(out, "=================================================\n");
2285 fprintf(out, " Shared Data Cache Line Table \n");
2286 fprintf(out, "=================================================\n");
2287 fprintf(out, "#\n");
2288
2289 hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
2290
2291 fprintf(out, "\n");
2292 fprintf(out, "=================================================\n");
2293 fprintf(out, " Shared Cache Line Distribution Pareto \n");
2294 fprintf(out, "=================================================\n");
2295 fprintf(out, "#\n");
2296
2297 print_pareto(out);
2298 }
2299
2300 #ifdef HAVE_SLANG_SUPPORT
2301 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2302 {
2303 u64 nr_entries = 0;
2304 struct rb_node *nd = rb_first_cached(&hb->hists->entries);
2305
2306 while (nd) {
2307 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2308
2309 if (!he->filtered)
2310 nr_entries++;
2311
2312 nd = rb_next(nd);
2313 }
2314
2315 hb->nr_non_filtered_entries = nr_entries;
2316 }
2317
2318 struct c2c_cacheline_browser {
2319 struct hist_browser hb;
2320 struct hist_entry *he;
2321 };
2322
2323 static int
2324 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2325 char *bf, size_t size)
2326 {
2327 struct c2c_cacheline_browser *cl_browser;
2328 struct hist_entry *he;
2329 uint64_t addr = 0;
2330
2331 cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2332 he = cl_browser->he;
2333
2334 if (he->mem_info)
2335 addr = cl_address(he->mem_info->daddr.addr);
2336
2337 scnprintf(bf, size, "Cacheline 0x%lx", addr);
2338 return 0;
2339 }
2340
2341 static struct c2c_cacheline_browser*
2342 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2343 {
2344 struct c2c_cacheline_browser *browser;
2345
2346 browser = zalloc(sizeof(*browser));
2347 if (browser) {
2348 hist_browser__init(&browser->hb, hists);
2349 browser->hb.c2c_filter = true;
2350 browser->hb.title = perf_c2c_cacheline_browser__title;
2351 browser->he = he;
2352 }
2353
2354 return browser;
2355 }
2356
2357 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2358 {
2359 struct c2c_hist_entry *c2c_he;
2360 struct c2c_hists *c2c_hists;
2361 struct c2c_cacheline_browser *cl_browser;
2362 struct hist_browser *browser;
2363 int key = -1;
2364 static const char help[] =
2365 " ENTER Toggle callchains (if present) \n"
2366 " n Toggle Node details info \n"
2367 " s Toggle full length of symbol and source line columns \n"
2368 " q Return back to cacheline list \n";
2369
2370 if (!he)
2371 return 0;
2372
2373 /* Display compact version first. */
2374 c2c.symbol_full = false;
2375
2376 c2c_he = container_of(he, struct c2c_hist_entry, he);
2377 c2c_hists = c2c_he->hists;
2378
2379 cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2380 if (cl_browser == NULL)
2381 return -1;
2382
2383 browser = &cl_browser->hb;
2384
2385 /* reset abort key so that it can get Ctrl-C as a key */
2386 SLang_reset_tty();
2387 SLang_init_tty(0, 0, 0);
2388
2389 c2c_browser__update_nr_entries(browser);
2390
2391 while (1) {
2392 key = hist_browser__run(browser, "? - help", true, 0);
2393
2394 switch (key) {
2395 case 's':
2396 c2c.symbol_full = !c2c.symbol_full;
2397 break;
2398 case 'n':
2399 c2c.node_info = (c2c.node_info + 1) % 3;
2400 setup_nodes_header();
2401 break;
2402 case 'q':
2403 goto out;
2404 case '?':
2405 ui_browser__help_window(&browser->b, help);
2406 break;
2407 default:
2408 break;
2409 }
2410 }
2411
2412 out:
2413 free(cl_browser);
2414 return 0;
2415 }
2416
2417 static int perf_c2c_browser__title(struct hist_browser *browser,
2418 char *bf, size_t size)
2419 {
2420 scnprintf(bf, size,
2421 "Shared Data Cache Line Table "
2422 "(%lu entries, sorted on %s HITMs)",
2423 browser->nr_non_filtered_entries,
2424 display_str[c2c.display]);
2425 return 0;
2426 }
2427
2428 static struct hist_browser*
2429 perf_c2c_browser__new(struct hists *hists)
2430 {
2431 struct hist_browser *browser = hist_browser__new(hists);
2432
2433 if (browser) {
2434 browser->title = perf_c2c_browser__title;
2435 browser->c2c_filter = true;
2436 }
2437
2438 return browser;
2439 }
2440
2441 static int perf_c2c__hists_browse(struct hists *hists)
2442 {
2443 struct hist_browser *browser;
2444 int key = -1;
2445 static const char help[] =
2446 " d Display cacheline details \n"
2447 " ENTER Toggle callchains (if present) \n"
2448 " q Quit \n";
2449
2450 browser = perf_c2c_browser__new(hists);
2451 if (browser == NULL)
2452 return -1;
2453
2454 /* reset abort key so that it can get Ctrl-C as a key */
2455 SLang_reset_tty();
2456 SLang_init_tty(0, 0, 0);
2457
2458 c2c_browser__update_nr_entries(browser);
2459
2460 while (1) {
2461 key = hist_browser__run(browser, "? - help", true, 0);
2462
2463 switch (key) {
2464 case 'q':
2465 goto out;
2466 case 'd':
2467 perf_c2c__browse_cacheline(browser->he_selection);
2468 break;
2469 case '?':
2470 ui_browser__help_window(&browser->b, help);
2471 break;
2472 default:
2473 break;
2474 }
2475 }
2476
2477 out:
2478 hist_browser__delete(browser);
2479 return 0;
2480 }
2481
2482 static void perf_c2c_display(struct perf_session *session)
2483 {
2484 if (use_browser == 0)
2485 perf_c2c__hists_fprintf(stdout, session);
2486 else
2487 perf_c2c__hists_browse(&c2c.hists.hists);
2488 }
2489 #else
2490 static void perf_c2c_display(struct perf_session *session)
2491 {
2492 use_browser = 0;
2493 perf_c2c__hists_fprintf(stdout, session);
2494 }
2495 #endif /* HAVE_SLANG_SUPPORT */
2496
2497 static char *fill_line(const char *orig, int len)
2498 {
2499 int i, j, olen = strlen(orig);
2500 char *buf;
2501
2502 buf = zalloc(len + 1);
2503 if (!buf)
2504 return NULL;
2505
2506 j = len / 2 - olen / 2;
2507
2508 for (i = 0; i < j - 1; i++)
2509 buf[i] = '-';
2510
2511 buf[i++] = ' ';
2512
2513 strcpy(buf + i, orig);
2514
2515 i += olen;
2516
2517 buf[i++] = ' ';
2518
2519 for (; i < len; i++)
2520 buf[i] = '-';
2521
2522 return buf;
2523 }
2524
2525 static int ui_quirks(void)
2526 {
2527 const char *nodestr = "Data address";
2528 char *buf;
2529
2530 if (!c2c.use_stdio) {
2531 dim_offset.width = 5;
2532 dim_offset.header = header_offset_tui;
2533 nodestr = "CL";
2534 }
2535
2536 dim_percent_hitm.header = percent_hitm_header[c2c.display];
2537
2538 /* Fix the zero line for dcacheline column. */
2539 buf = fill_line("Cacheline", dim_dcacheline.width +
2540 dim_dcacheline_node.width +
2541 dim_dcacheline_count.width + 4);
2542 if (!buf)
2543 return -ENOMEM;
2544
2545 dim_dcacheline.header.line[0].text = buf;
2546
2547 /* Fix the zero line for offset column. */
2548 buf = fill_line(nodestr, dim_offset.width +
2549 dim_offset_node.width +
2550 dim_dcacheline_count.width + 4);
2551 if (!buf)
2552 return -ENOMEM;
2553
2554 dim_offset.header.line[0].text = buf;
2555
2556 return 0;
2557 }
2558
2559 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
2560
2561 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2562 CALLCHAIN_REPORT_HELP
2563 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2564
2565 static int
2566 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2567 {
2568 struct callchain_param *callchain = opt->value;
2569
2570 callchain->enabled = !unset;
2571 /*
2572 * --no-call-graph
2573 */
2574 if (unset) {
2575 symbol_conf.use_callchain = false;
2576 callchain->mode = CHAIN_NONE;
2577 return 0;
2578 }
2579
2580 return parse_callchain_report_opt(arg);
2581 }
2582
2583 static int setup_callchain(struct evlist *evlist)
2584 {
2585 u64 sample_type = evlist__combined_sample_type(evlist);
2586 enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2587
2588 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2589 (sample_type & PERF_SAMPLE_STACK_USER)) {
2590 mode = CALLCHAIN_DWARF;
2591 dwarf_callchain_users = true;
2592 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2593 mode = CALLCHAIN_LBR;
2594 else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2595 mode = CALLCHAIN_FP;
2596
2597 if (!callchain_param.enabled &&
2598 callchain_param.mode != CHAIN_NONE &&
2599 mode != CALLCHAIN_NONE) {
2600 symbol_conf.use_callchain = true;
2601 if (callchain_register_param(&callchain_param) < 0) {
2602 ui__error("Can't register callchain params.\n");
2603 return -EINVAL;
2604 }
2605 }
2606
2607 if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
2608 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
2609 "Please apply --call-graph lbr when recording.\n");
2610 c2c.stitch_lbr = false;
2611 }
2612
2613 callchain_param.record_mode = mode;
2614 callchain_param.min_percent = 0;
2615 return 0;
2616 }
2617
2618 static int setup_display(const char *str)
2619 {
2620 const char *display = str ?: "tot";
2621
2622 if (!strcmp(display, "tot"))
2623 c2c.display = DISPLAY_TOT;
2624 else if (!strcmp(display, "rmt"))
2625 c2c.display = DISPLAY_RMT;
2626 else if (!strcmp(display, "lcl"))
2627 c2c.display = DISPLAY_LCL;
2628 else {
2629 pr_err("failed: unknown display type: %s\n", str);
2630 return -1;
2631 }
2632
2633 return 0;
2634 }
2635
2636 #define for_each_token(__tok, __buf, __sep, __tmp) \
2637 for (__tok = strtok_r(__buf, __sep, &__tmp); __tok; \
2638 __tok = strtok_r(NULL, __sep, &__tmp))
2639
2640 static int build_cl_output(char *cl_sort, bool no_source)
2641 {
2642 char *tok, *tmp, *buf = strdup(cl_sort);
2643 bool add_pid = false;
2644 bool add_tid = false;
2645 bool add_iaddr = false;
2646 bool add_sym = false;
2647 bool add_dso = false;
2648 bool add_src = false;
2649 int ret = 0;
2650
2651 if (!buf)
2652 return -ENOMEM;
2653
2654 for_each_token(tok, buf, ",", tmp) {
2655 if (!strcmp(tok, "tid")) {
2656 add_tid = true;
2657 } else if (!strcmp(tok, "pid")) {
2658 add_pid = true;
2659 } else if (!strcmp(tok, "iaddr")) {
2660 add_iaddr = true;
2661 add_sym = true;
2662 add_dso = true;
2663 add_src = no_source ? false : true;
2664 } else if (!strcmp(tok, "dso")) {
2665 add_dso = true;
2666 } else if (strcmp(tok, "offset")) {
2667 pr_err("unrecognized sort token: %s\n", tok);
2668 ret = -EINVAL;
2669 goto err;
2670 }
2671 }
2672
2673 if (asprintf(&c2c.cl_output,
2674 "%s%s%s%s%s%s%s%s%s%s",
2675 c2c.use_stdio ? "cl_num_empty," : "",
2676 "percent_rmt_hitm,"
2677 "percent_lcl_hitm,"
2678 "percent_stores_l1hit,"
2679 "percent_stores_l1miss,"
2680 "offset,offset_node,dcacheline_count,",
2681 add_pid ? "pid," : "",
2682 add_tid ? "tid," : "",
2683 add_iaddr ? "iaddr," : "",
2684 "mean_rmt,"
2685 "mean_lcl,"
2686 "mean_load,"
2687 "tot_recs,"
2688 "cpucnt,",
2689 add_sym ? "symbol," : "",
2690 add_dso ? "dso," : "",
2691 add_src ? "cl_srcline," : "",
2692 "node") < 0) {
2693 ret = -ENOMEM;
2694 goto err;
2695 }
2696
2697 c2c.show_src = add_src;
2698 err:
2699 free(buf);
2700 return ret;
2701 }
2702
2703 static int setup_coalesce(const char *coalesce, bool no_source)
2704 {
2705 const char *c = coalesce ?: coalesce_default;
2706
2707 if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2708 return -ENOMEM;
2709
2710 if (build_cl_output(c2c.cl_sort, no_source))
2711 return -1;
2712
2713 if (asprintf(&c2c.cl_resort, "offset,%s",
2714 c2c.display == DISPLAY_TOT ?
2715 "tot_hitm" :
2716 c2c.display == DISPLAY_RMT ?
2717 "rmt_hitm,lcl_hitm" :
2718 "lcl_hitm,rmt_hitm") < 0)
2719 return -ENOMEM;
2720
2721 pr_debug("coalesce sort fields: %s\n", c2c.cl_sort);
2722 pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2723 pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2724 return 0;
2725 }
2726
2727 static int perf_c2c__report(int argc, const char **argv)
2728 {
2729 struct perf_session *session;
2730 struct ui_progress prog;
2731 struct perf_data data = {
2732 .mode = PERF_DATA_MODE_READ,
2733 };
2734 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
2735 const char *display = NULL;
2736 const char *coalesce = NULL;
2737 bool no_source = false;
2738 const struct option options[] = {
2739 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2740 "file", "vmlinux pathname"),
2741 OPT_STRING('i', "input", &input_name, "file",
2742 "the input file to process"),
2743 OPT_INCR('N', "node-info", &c2c.node_info,
2744 "show extra node info in report (repeat for more info)"),
2745 #ifdef HAVE_SLANG_SUPPORT
2746 OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
2747 #endif
2748 OPT_BOOLEAN(0, "stats", &c2c.stats_only,
2749 "Display only statistic tables (implies --stdio)"),
2750 OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
2751 "Display full length of symbols"),
2752 OPT_BOOLEAN(0, "no-source", &no_source,
2753 "Do not display Source Line column"),
2754 OPT_BOOLEAN(0, "show-all", &c2c.show_all,
2755 "Show all captured HITM lines."),
2756 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
2757 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
2758 callchain_help, &parse_callchain_opt,
2759 callchain_default_opt),
2760 OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
2761 OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
2762 "coalesce fields: pid,tid,iaddr,dso"),
2763 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2764 OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
2765 "Enable LBR callgraph stitching approach"),
2766 OPT_PARENT(c2c_options),
2767 OPT_END()
2768 };
2769 int err = 0;
2770
2771 argc = parse_options(argc, argv, options, report_c2c_usage,
2772 PARSE_OPT_STOP_AT_NON_OPTION);
2773 if (argc)
2774 usage_with_options(report_c2c_usage, options);
2775
2776 if (c2c.stats_only)
2777 c2c.use_stdio = true;
2778
2779 if (!input_name || !strlen(input_name))
2780 input_name = "perf.data";
2781
2782 data.path = input_name;
2783 data.force = symbol_conf.force;
2784
2785 err = setup_display(display);
2786 if (err)
2787 goto out;
2788
2789 err = setup_coalesce(coalesce, no_source);
2790 if (err) {
2791 pr_debug("Failed to initialize hists\n");
2792 goto out;
2793 }
2794
2795 err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
2796 if (err) {
2797 pr_debug("Failed to initialize hists\n");
2798 goto out;
2799 }
2800
2801 session = perf_session__new(&data, 0, &c2c.tool);
2802 if (IS_ERR(session)) {
2803 err = PTR_ERR(session);
2804 pr_debug("Error creating perf session\n");
2805 goto out;
2806 }
2807
2808 err = setup_nodes(session);
2809 if (err) {
2810 pr_err("Failed setup nodes\n");
2811 goto out;
2812 }
2813
2814 err = mem2node__init(&c2c.mem2node, &session->header.env);
2815 if (err)
2816 goto out_session;
2817
2818 err = setup_callchain(session->evlist);
2819 if (err)
2820 goto out_mem2node;
2821
2822 if (symbol__init(&session->header.env) < 0)
2823 goto out_mem2node;
2824
2825 /* No pipe support at the moment. */
2826 if (perf_data__is_pipe(session->data)) {
2827 pr_debug("No pipe support at the moment.\n");
2828 goto out_mem2node;
2829 }
2830
2831 if (c2c.use_stdio)
2832 use_browser = 0;
2833 else
2834 use_browser = 1;
2835
2836 setup_browser(false);
2837
2838 err = perf_session__process_events(session);
2839 if (err) {
2840 pr_err("failed to process sample\n");
2841 goto out_mem2node;
2842 }
2843
2844 c2c_hists__reinit(&c2c.hists,
2845 "cl_idx,"
2846 "dcacheline,"
2847 "dcacheline_node,"
2848 "dcacheline_count,"
2849 "tot_recs,"
2850 "percent_hitm,"
2851 "tot_hitm,lcl_hitm,rmt_hitm,"
2852 "stores,stores_l1hit,stores_l1miss,"
2853 "dram_lcl,dram_rmt,"
2854 "ld_llcmiss,"
2855 "tot_loads,"
2856 "ld_fbhit,ld_l1hit,ld_l2hit,"
2857 "ld_lclhit,ld_rmthit",
2858 c2c.display == DISPLAY_TOT ? "tot_hitm" :
2859 c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
2860 );
2861
2862 ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
2863
2864 hists__collapse_resort(&c2c.hists.hists, NULL);
2865 hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
2866 hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
2867
2868 ui_progress__finish();
2869
2870 if (ui_quirks()) {
2871 pr_err("failed to setup UI\n");
2872 goto out_mem2node;
2873 }
2874
2875 perf_c2c_display(session);
2876
2877 out_mem2node:
2878 mem2node__exit(&c2c.mem2node);
2879 out_session:
2880 perf_session__delete(session);
2881 out:
2882 return err;
2883 }
2884
2885 static int parse_record_events(const struct option *opt,
2886 const char *str, int unset __maybe_unused)
2887 {
2888 bool *event_set = (bool *) opt->value;
2889
2890 if (!strcmp(str, "list")) {
2891 perf_mem_events__list();
2892 exit(0);
2893 }
2894 if (perf_mem_events__parse(str))
2895 exit(-1);
2896
2897 *event_set = true;
2898 return 0;
2899 }
2900
2901
2902 static const char * const __usage_record[] = {
2903 "perf c2c record [<options>] [<command>]",
2904 "perf c2c record [<options>] -- <command> [<options>]",
2905 NULL
2906 };
2907
2908 static const char * const *record_mem_usage = __usage_record;
2909
2910 static int perf_c2c__record(int argc, const char **argv)
2911 {
2912 int rec_argc, i = 0, j;
2913 const char **rec_argv;
2914 int ret;
2915 bool all_user = false, all_kernel = false;
2916 bool event_set = false;
2917 struct option options[] = {
2918 OPT_CALLBACK('e', "event", &event_set, "event",
2919 "event selector. Use 'perf mem record -e list' to list available events",
2920 parse_record_events),
2921 OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
2922 OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
2923 OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
2924 OPT_PARENT(c2c_options),
2925 OPT_END()
2926 };
2927
2928 if (perf_mem_events__init()) {
2929 pr_err("failed: memory events not supported\n");
2930 return -1;
2931 }
2932
2933 argc = parse_options(argc, argv, options, record_mem_usage,
2934 PARSE_OPT_KEEP_UNKNOWN);
2935
2936 rec_argc = argc + 11; /* max number of arguments */
2937 rec_argv = calloc(rec_argc + 1, sizeof(char *));
2938 if (!rec_argv)
2939 return -1;
2940
2941 rec_argv[i++] = "record";
2942
2943 if (!event_set) {
2944 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
2945 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
2946 }
2947
2948 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
2949 rec_argv[i++] = "-W";
2950
2951 rec_argv[i++] = "-d";
2952 rec_argv[i++] = "--phys-data";
2953 rec_argv[i++] = "--sample-cpu";
2954
2955 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
2956 if (!perf_mem_events[j].record)
2957 continue;
2958
2959 if (!perf_mem_events[j].supported) {
2960 pr_err("failed: event '%s' not supported\n",
2961 perf_mem_events[j].name);
2962 free(rec_argv);
2963 return -1;
2964 }
2965
2966 rec_argv[i++] = "-e";
2967 rec_argv[i++] = perf_mem_events__name(j);
2968 }
2969
2970 if (all_user)
2971 rec_argv[i++] = "--all-user";
2972
2973 if (all_kernel)
2974 rec_argv[i++] = "--all-kernel";
2975
2976 for (j = 0; j < argc; j++, i++)
2977 rec_argv[i] = argv[j];
2978
2979 if (verbose > 0) {
2980 pr_debug("calling: ");
2981
2982 j = 0;
2983
2984 while (rec_argv[j]) {
2985 pr_debug("%s ", rec_argv[j]);
2986 j++;
2987 }
2988 pr_debug("\n");
2989 }
2990
2991 ret = cmd_record(i, rec_argv);
2992 free(rec_argv);
2993 return ret;
2994 }
2995
2996 int cmd_c2c(int argc, const char **argv)
2997 {
2998 argc = parse_options(argc, argv, c2c_options, c2c_usage,
2999 PARSE_OPT_STOP_AT_NON_OPTION);
3000
3001 if (!argc)
3002 usage_with_options(c2c_usage, c2c_options);
3003
3004 if (!strncmp(argv[0], "rec", 3)) {
3005 return perf_c2c__record(argc, argv);
3006 } else if (!strncmp(argv[0], "rep", 3)) {
3007 return perf_c2c__report(argc, argv);
3008 } else {
3009 usage_with_options(c2c_usage, c2c_options);
3010 }
3011
3012 return 0;
3013 }
Linux with added FPC-III support