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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 "pmus.h"
45#include "string2.h"
46#include "util/util.h"
47
48struct c2c_hists {
49 struct hists hists;
50 struct perf_hpp_list list;
51 struct c2c_stats stats;
52};
53
54struct compute_stats {
55 struct stats lcl_hitm;
56 struct stats rmt_hitm;
57 struct stats lcl_peer;
58 struct stats rmt_peer;
59 struct stats load;
60};
61
62struct c2c_hist_entry {
63 struct c2c_hists *hists;
64 struct c2c_stats stats;
65 unsigned long *cpuset;
66 unsigned long *nodeset;
67 struct c2c_stats *node_stats;
68 unsigned int cacheline_idx;
69
70 struct compute_stats cstats;
71
72 unsigned long paddr;
73 unsigned long paddr_cnt;
74 bool paddr_zero;
75 char *nodestr;
76
77 /*
78 * must be at the end,
79 * because of its callchain dynamic entry
80 */
81 struct hist_entry he;
82};
83
84static char const *coalesce_default = "iaddr";
85
86struct perf_c2c {
87 struct perf_tool tool;
88 struct c2c_hists hists;
89 struct mem2node mem2node;
90
91 unsigned long **nodes;
92 int nodes_cnt;
93 int cpus_cnt;
94 int *cpu2node;
95 int node_info;
96
97 bool show_src;
98 bool show_all;
99 bool use_stdio;
100 bool stats_only;
101 bool symbol_full;
102 bool stitch_lbr;
103
104 /* Shared cache line stats */
105 struct c2c_stats shared_clines_stats;
106 int shared_clines;
107
108 int display;
109
110 const char *coalesce;
111 char *cl_sort;
112 char *cl_resort;
113 char *cl_output;
114};
115
116enum {
117 DISPLAY_LCL_HITM,
118 DISPLAY_RMT_HITM,
119 DISPLAY_TOT_HITM,
120 DISPLAY_SNP_PEER,
121 DISPLAY_MAX,
122};
123
124static const char *display_str[DISPLAY_MAX] = {
125 [DISPLAY_LCL_HITM] = "Local HITMs",
126 [DISPLAY_RMT_HITM] = "Remote HITMs",
127 [DISPLAY_TOT_HITM] = "Total HITMs",
128 [DISPLAY_SNP_PEER] = "Peer Snoop",
129};
130
131static const struct option c2c_options[] = {
132 OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
133 OPT_END()
134};
135
136static struct perf_c2c c2c;
137
138static void *c2c_he_zalloc(size_t size)
139{
140 struct c2c_hist_entry *c2c_he;
141
142 c2c_he = zalloc(size + sizeof(*c2c_he));
143 if (!c2c_he)
144 return NULL;
145
146 c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt);
147 if (!c2c_he->cpuset)
148 goto out_free;
149
150 c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt);
151 if (!c2c_he->nodeset)
152 goto out_free;
153
154 c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
155 if (!c2c_he->node_stats)
156 goto out_free;
157
158 init_stats(&c2c_he->cstats.lcl_hitm);
159 init_stats(&c2c_he->cstats.rmt_hitm);
160 init_stats(&c2c_he->cstats.lcl_peer);
161 init_stats(&c2c_he->cstats.rmt_peer);
162 init_stats(&c2c_he->cstats.load);
163
164 return &c2c_he->he;
165
166out_free:
167 zfree(&c2c_he->nodeset);
168 zfree(&c2c_he->cpuset);
169 free(c2c_he);
170 return NULL;
171}
172
173static void c2c_he_free(void *he)
174{
175 struct c2c_hist_entry *c2c_he;
176
177 c2c_he = container_of(he, struct c2c_hist_entry, he);
178 if (c2c_he->hists) {
179 hists__delete_entries(&c2c_he->hists->hists);
180 zfree(&c2c_he->hists);
181 }
182
183 zfree(&c2c_he->cpuset);
184 zfree(&c2c_he->nodeset);
185 zfree(&c2c_he->nodestr);
186 zfree(&c2c_he->node_stats);
187 free(c2c_he);
188}
189
190static struct hist_entry_ops c2c_entry_ops = {
191 .new = c2c_he_zalloc,
192 .free = c2c_he_free,
193};
194
195static int c2c_hists__init(struct c2c_hists *hists,
196 const char *sort,
197 int nr_header_lines);
198
199static struct c2c_hists*
200he__get_c2c_hists(struct hist_entry *he,
201 const char *sort,
202 int nr_header_lines)
203{
204 struct c2c_hist_entry *c2c_he;
205 struct c2c_hists *hists;
206 int ret;
207
208 c2c_he = container_of(he, struct c2c_hist_entry, he);
209 if (c2c_he->hists)
210 return c2c_he->hists;
211
212 hists = c2c_he->hists = zalloc(sizeof(*hists));
213 if (!hists)
214 return NULL;
215
216 ret = c2c_hists__init(hists, sort, nr_header_lines);
217 if (ret) {
218 free(hists);
219 return NULL;
220 }
221
222 return hists;
223}
224
225static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
226 struct perf_sample *sample)
227{
228 if (WARN_ONCE(sample->cpu == (unsigned int) -1,
229 "WARNING: no sample cpu value"))
230 return;
231
232 __set_bit(sample->cpu, c2c_he->cpuset);
233}
234
235static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
236 struct perf_sample *sample)
237{
238 int node;
239
240 if (!sample->phys_addr) {
241 c2c_he->paddr_zero = true;
242 return;
243 }
244
245 node = mem2node__node(&c2c.mem2node, sample->phys_addr);
246 if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
247 return;
248
249 __set_bit(node, c2c_he->nodeset);
250
251 if (c2c_he->paddr != sample->phys_addr) {
252 c2c_he->paddr_cnt++;
253 c2c_he->paddr = sample->phys_addr;
254 }
255}
256
257static void compute_stats(struct c2c_hist_entry *c2c_he,
258 struct c2c_stats *stats,
259 u64 weight)
260{
261 struct compute_stats *cstats = &c2c_he->cstats;
262
263 if (stats->rmt_hitm)
264 update_stats(&cstats->rmt_hitm, weight);
265 else if (stats->lcl_hitm)
266 update_stats(&cstats->lcl_hitm, weight);
267 else if (stats->rmt_peer)
268 update_stats(&cstats->rmt_peer, weight);
269 else if (stats->lcl_peer)
270 update_stats(&cstats->lcl_peer, weight);
271 else if (stats->load)
272 update_stats(&cstats->load, weight);
273}
274
275static int process_sample_event(struct perf_tool *tool __maybe_unused,
276 union perf_event *event,
277 struct perf_sample *sample,
278 struct evsel *evsel,
279 struct machine *machine)
280{
281 struct c2c_hists *c2c_hists = &c2c.hists;
282 struct c2c_hist_entry *c2c_he;
283 struct c2c_stats stats = { .nr_entries = 0, };
284 struct hist_entry *he;
285 struct addr_location al;
286 struct mem_info *mi, *mi_dup;
287 struct callchain_cursor *cursor;
288 int ret;
289
290 addr_location__init(&al);
291 if (machine__resolve(machine, &al, sample) < 0) {
292 pr_debug("problem processing %d event, skipping it.\n",
293 event->header.type);
294 ret = -1;
295 goto out;
296 }
297
298 if (c2c.stitch_lbr)
299 thread__set_lbr_stitch_enable(al.thread, true);
300
301 cursor = get_tls_callchain_cursor();
302 ret = sample__resolve_callchain(sample, cursor, NULL,
303 evsel, &al, sysctl_perf_event_max_stack);
304 if (ret)
305 goto out;
306
307 mi = sample__resolve_mem(sample, &al);
308 if (mi == NULL) {
309 ret = -ENOMEM;
310 goto out;
311 }
312
313 /*
314 * The mi object is released in hists__add_entry_ops,
315 * if it gets sorted out into existing data, so we need
316 * to take the copy now.
317 */
318 mi_dup = mem_info__get(mi);
319
320 c2c_decode_stats(&stats, mi);
321
322 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
323 &al, NULL, NULL, mi, NULL,
324 sample, true);
325 if (he == NULL)
326 goto free_mi;
327
328 c2c_he = container_of(he, struct c2c_hist_entry, he);
329 c2c_add_stats(&c2c_he->stats, &stats);
330 c2c_add_stats(&c2c_hists->stats, &stats);
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 if (!ret) {
339 /*
340 * There's already been warning about missing
341 * sample's cpu value. Let's account all to
342 * node 0 in this case, without any further
343 * warning.
344 *
345 * Doing node stats only for single callchain data.
346 */
347 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
348 int node = c2c.cpu2node[cpu];
349
350 mi = mi_dup;
351
352 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
353 if (!c2c_hists)
354 goto free_mi;
355
356 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
357 &al, NULL, NULL, mi, NULL,
358 sample, true);
359 if (he == NULL)
360 goto free_mi;
361
362 c2c_he = container_of(he, struct c2c_hist_entry, he);
363 c2c_add_stats(&c2c_he->stats, &stats);
364 c2c_add_stats(&c2c_hists->stats, &stats);
365 c2c_add_stats(&c2c_he->node_stats[node], &stats);
366
367 compute_stats(c2c_he, &stats, sample->weight);
368
369 c2c_he__set_cpu(c2c_he, sample);
370 c2c_he__set_node(c2c_he, sample);
371
372 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
373 ret = hist_entry__append_callchain(he, sample);
374 }
375
376out:
377 addr_location__exit(&al);
378 return ret;
379
380free_mi:
381 mem_info__put(mi_dup);
382 mem_info__put(mi);
383 ret = -ENOMEM;
384 goto out;
385}
386
387static struct perf_c2c c2c = {
388 .tool = {
389 .sample = process_sample_event,
390 .mmap = perf_event__process_mmap,
391 .mmap2 = perf_event__process_mmap2,
392 .comm = perf_event__process_comm,
393 .exit = perf_event__process_exit,
394 .fork = perf_event__process_fork,
395 .lost = perf_event__process_lost,
396 .attr = perf_event__process_attr,
397 .auxtrace_info = perf_event__process_auxtrace_info,
398 .auxtrace = perf_event__process_auxtrace,
399 .auxtrace_error = perf_event__process_auxtrace_error,
400 .ordered_events = true,
401 .ordering_requires_timestamps = true,
402 },
403};
404
405static const char * const c2c_usage[] = {
406 "perf c2c {record|report}",
407 NULL
408};
409
410static const char * const __usage_report[] = {
411 "perf c2c report",
412 NULL
413};
414
415static const char * const *report_c2c_usage = __usage_report;
416
417#define C2C_HEADER_MAX 2
418
419struct c2c_header {
420 struct {
421 const char *text;
422 int span;
423 } line[C2C_HEADER_MAX];
424};
425
426struct c2c_dimension {
427 struct c2c_header header;
428 const char *name;
429 int width;
430 struct sort_entry *se;
431
432 int64_t (*cmp)(struct perf_hpp_fmt *fmt,
433 struct hist_entry *, struct hist_entry *);
434 int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
435 struct hist_entry *he);
436 int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
437 struct hist_entry *he);
438};
439
440struct c2c_fmt {
441 struct perf_hpp_fmt fmt;
442 struct c2c_dimension *dim;
443};
444
445#define SYMBOL_WIDTH 30
446
447static struct c2c_dimension dim_symbol;
448static struct c2c_dimension dim_srcline;
449
450static int symbol_width(struct hists *hists, struct sort_entry *se)
451{
452 int width = hists__col_len(hists, se->se_width_idx);
453
454 if (!c2c.symbol_full)
455 width = MIN(width, SYMBOL_WIDTH);
456
457 return width;
458}
459
460static int c2c_width(struct perf_hpp_fmt *fmt,
461 struct perf_hpp *hpp __maybe_unused,
462 struct hists *hists)
463{
464 struct c2c_fmt *c2c_fmt;
465 struct c2c_dimension *dim;
466
467 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
468 dim = c2c_fmt->dim;
469
470 if (dim == &dim_symbol || dim == &dim_srcline)
471 return symbol_width(hists, dim->se);
472
473 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
474 c2c_fmt->dim->width;
475}
476
477static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
478 struct hists *hists, int line, int *span)
479{
480 struct perf_hpp_list *hpp_list = hists->hpp_list;
481 struct c2c_fmt *c2c_fmt;
482 struct c2c_dimension *dim;
483 const char *text = NULL;
484 int width = c2c_width(fmt, hpp, hists);
485
486 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
487 dim = c2c_fmt->dim;
488
489 if (dim->se) {
490 text = dim->header.line[line].text;
491 /* Use the last line from sort_entry if not defined. */
492 if (!text && (line == hpp_list->nr_header_lines - 1))
493 text = dim->se->se_header;
494 } else {
495 text = dim->header.line[line].text;
496
497 if (*span) {
498 (*span)--;
499 return 0;
500 } else {
501 *span = dim->header.line[line].span;
502 }
503 }
504
505 if (text == NULL)
506 text = "";
507
508 return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
509}
510
511#define HEX_STR(__s, __v) \
512({ \
513 scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
514 __s; \
515})
516
517static int64_t
518dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
519 struct hist_entry *left, struct hist_entry *right)
520{
521 return sort__dcacheline_cmp(left, right);
522}
523
524static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
525 struct hist_entry *he)
526{
527 uint64_t addr = 0;
528 int width = c2c_width(fmt, hpp, he->hists);
529 char buf[20];
530
531 if (he->mem_info)
532 addr = cl_address(he->mem_info->daddr.addr, chk_double_cl);
533
534 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
535}
536
537static int
538dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
539 struct hist_entry *he)
540{
541 struct c2c_hist_entry *c2c_he;
542 int width = c2c_width(fmt, hpp, he->hists);
543
544 c2c_he = container_of(he, struct c2c_hist_entry, he);
545 if (WARN_ON_ONCE(!c2c_he->nodestr))
546 return 0;
547
548 return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
549}
550
551static int
552dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
553 struct hist_entry *he)
554{
555 struct c2c_hist_entry *c2c_he;
556 int width = c2c_width(fmt, hpp, he->hists);
557
558 c2c_he = container_of(he, struct c2c_hist_entry, he);
559 return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
560}
561
562static int offset_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 = cl_offset(he->mem_info->daddr.al_addr, chk_double_cl);
571
572 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
573}
574
575static int64_t
576offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
577 struct hist_entry *left, struct hist_entry *right)
578{
579 uint64_t l = 0, r = 0;
580
581 if (left->mem_info)
582 l = cl_offset(left->mem_info->daddr.addr, chk_double_cl);
583
584 if (right->mem_info)
585 r = cl_offset(right->mem_info->daddr.addr, chk_double_cl);
586
587 return (int64_t)(r - l);
588}
589
590static int
591iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
592 struct hist_entry *he)
593{
594 uint64_t addr = 0;
595 int width = c2c_width(fmt, hpp, he->hists);
596 char buf[20];
597
598 if (he->mem_info)
599 addr = he->mem_info->iaddr.addr;
600
601 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
602}
603
604static int64_t
605iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
606 struct hist_entry *left, struct hist_entry *right)
607{
608 return sort__iaddr_cmp(left, right);
609}
610
611static int
612tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
613 struct hist_entry *he)
614{
615 struct c2c_hist_entry *c2c_he;
616 int width = c2c_width(fmt, hpp, he->hists);
617 unsigned int tot_hitm;
618
619 c2c_he = container_of(he, struct c2c_hist_entry, he);
620 tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
621
622 return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
623}
624
625static int64_t
626tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
627 struct hist_entry *left, struct hist_entry *right)
628{
629 struct c2c_hist_entry *c2c_left;
630 struct c2c_hist_entry *c2c_right;
631 uint64_t tot_hitm_left;
632 uint64_t tot_hitm_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
637 tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
638 tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
639
640 return tot_hitm_left - tot_hitm_right;
641}
642
643#define STAT_FN_ENTRY(__f) \
644static int \
645__f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \
646 struct hist_entry *he) \
647{ \
648 struct c2c_hist_entry *c2c_he; \
649 int width = c2c_width(fmt, hpp, he->hists); \
650 \
651 c2c_he = container_of(he, struct c2c_hist_entry, he); \
652 return scnprintf(hpp->buf, hpp->size, "%*u", width, \
653 c2c_he->stats.__f); \
654}
655
656#define STAT_FN_CMP(__f) \
657static int64_t \
658__f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
659 struct hist_entry *left, struct hist_entry *right) \
660{ \
661 struct c2c_hist_entry *c2c_left, *c2c_right; \
662 \
663 c2c_left = container_of(left, struct c2c_hist_entry, he); \
664 c2c_right = container_of(right, struct c2c_hist_entry, he); \
665 return (uint64_t) c2c_left->stats.__f - \
666 (uint64_t) c2c_right->stats.__f; \
667}
668
669#define STAT_FN(__f) \
670 STAT_FN_ENTRY(__f) \
671 STAT_FN_CMP(__f)
672
673STAT_FN(rmt_hitm)
674STAT_FN(lcl_hitm)
675STAT_FN(rmt_peer)
676STAT_FN(lcl_peer)
677STAT_FN(tot_peer)
678STAT_FN(store)
679STAT_FN(st_l1hit)
680STAT_FN(st_l1miss)
681STAT_FN(st_na)
682STAT_FN(ld_fbhit)
683STAT_FN(ld_l1hit)
684STAT_FN(ld_l2hit)
685STAT_FN(ld_llchit)
686STAT_FN(rmt_hit)
687
688static uint64_t get_load_llc_misses(struct c2c_stats *stats)
689{
690 return stats->lcl_dram +
691 stats->rmt_dram +
692 stats->rmt_hitm +
693 stats->rmt_hit;
694}
695
696static uint64_t get_load_cache_hits(struct c2c_stats *stats)
697{
698 return stats->ld_fbhit +
699 stats->ld_l1hit +
700 stats->ld_l2hit +
701 stats->ld_llchit +
702 stats->lcl_hitm;
703}
704
705static uint64_t get_stores(struct c2c_stats *stats)
706{
707 return stats->st_l1hit +
708 stats->st_l1miss +
709 stats->st_na;
710}
711
712static uint64_t total_records(struct c2c_stats *stats)
713{
714 return get_load_llc_misses(stats) +
715 get_load_cache_hits(stats) +
716 get_stores(stats);
717}
718
719static int
720tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
721 struct hist_entry *he)
722{
723 struct c2c_hist_entry *c2c_he;
724 int width = c2c_width(fmt, hpp, he->hists);
725 uint64_t tot_recs;
726
727 c2c_he = container_of(he, struct c2c_hist_entry, he);
728 tot_recs = total_records(&c2c_he->stats);
729
730 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
731}
732
733static int64_t
734tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
735 struct hist_entry *left, struct hist_entry *right)
736{
737 struct c2c_hist_entry *c2c_left;
738 struct c2c_hist_entry *c2c_right;
739 uint64_t tot_recs_left;
740 uint64_t tot_recs_right;
741
742 c2c_left = container_of(left, struct c2c_hist_entry, he);
743 c2c_right = container_of(right, struct c2c_hist_entry, he);
744
745 tot_recs_left = total_records(&c2c_left->stats);
746 tot_recs_right = total_records(&c2c_right->stats);
747
748 return tot_recs_left - tot_recs_right;
749}
750
751static uint64_t total_loads(struct c2c_stats *stats)
752{
753 return get_load_llc_misses(stats) +
754 get_load_cache_hits(stats);
755}
756
757static int
758tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
759 struct hist_entry *he)
760{
761 struct c2c_hist_entry *c2c_he;
762 int width = c2c_width(fmt, hpp, he->hists);
763 uint64_t tot_recs;
764
765 c2c_he = container_of(he, struct c2c_hist_entry, he);
766 tot_recs = total_loads(&c2c_he->stats);
767
768 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
769}
770
771static int64_t
772tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
773 struct hist_entry *left, struct hist_entry *right)
774{
775 struct c2c_hist_entry *c2c_left;
776 struct c2c_hist_entry *c2c_right;
777 uint64_t tot_recs_left;
778 uint64_t tot_recs_right;
779
780 c2c_left = container_of(left, struct c2c_hist_entry, he);
781 c2c_right = container_of(right, struct c2c_hist_entry, he);
782
783 tot_recs_left = total_loads(&c2c_left->stats);
784 tot_recs_right = total_loads(&c2c_right->stats);
785
786 return tot_recs_left - tot_recs_right;
787}
788
789typedef double (get_percent_cb)(struct c2c_hist_entry *);
790
791static int
792percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
793 struct hist_entry *he, get_percent_cb get_percent)
794{
795 struct c2c_hist_entry *c2c_he;
796 int width = c2c_width(fmt, hpp, he->hists);
797 double per;
798
799 c2c_he = container_of(he, struct c2c_hist_entry, he);
800 per = get_percent(c2c_he);
801
802#ifdef HAVE_SLANG_SUPPORT
803 if (use_browser)
804 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
805#endif
806 return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
807}
808
809static double percent_costly_snoop(struct c2c_hist_entry *c2c_he)
810{
811 struct c2c_hists *hists;
812 struct c2c_stats *stats;
813 struct c2c_stats *total;
814 int tot = 0, st = 0;
815 double p;
816
817 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
818 stats = &c2c_he->stats;
819 total = &hists->stats;
820
821 switch (c2c.display) {
822 case DISPLAY_RMT_HITM:
823 st = stats->rmt_hitm;
824 tot = total->rmt_hitm;
825 break;
826 case DISPLAY_LCL_HITM:
827 st = stats->lcl_hitm;
828 tot = total->lcl_hitm;
829 break;
830 case DISPLAY_TOT_HITM:
831 st = stats->tot_hitm;
832 tot = total->tot_hitm;
833 break;
834 case DISPLAY_SNP_PEER:
835 st = stats->tot_peer;
836 tot = total->tot_peer;
837 break;
838 default:
839 break;
840 }
841
842 p = tot ? (double) st / tot : 0;
843
844 return 100 * p;
845}
846
847#define PERC_STR(__s, __v) \
848({ \
849 scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
850 __s; \
851})
852
853static int
854percent_costly_snoop_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
855 struct hist_entry *he)
856{
857 struct c2c_hist_entry *c2c_he;
858 int width = c2c_width(fmt, hpp, he->hists);
859 char buf[10];
860 double per;
861
862 c2c_he = container_of(he, struct c2c_hist_entry, he);
863 per = percent_costly_snoop(c2c_he);
864 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
865}
866
867static int
868percent_costly_snoop_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
869 struct hist_entry *he)
870{
871 return percent_color(fmt, hpp, he, percent_costly_snoop);
872}
873
874static int64_t
875percent_costly_snoop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
876 struct hist_entry *left, struct hist_entry *right)
877{
878 struct c2c_hist_entry *c2c_left;
879 struct c2c_hist_entry *c2c_right;
880 double per_left;
881 double per_right;
882
883 c2c_left = container_of(left, struct c2c_hist_entry, he);
884 c2c_right = container_of(right, struct c2c_hist_entry, he);
885
886 per_left = percent_costly_snoop(c2c_left);
887 per_right = percent_costly_snoop(c2c_right);
888
889 return per_left - per_right;
890}
891
892static struct c2c_stats *he_stats(struct hist_entry *he)
893{
894 struct c2c_hist_entry *c2c_he;
895
896 c2c_he = container_of(he, struct c2c_hist_entry, he);
897 return &c2c_he->stats;
898}
899
900static struct c2c_stats *total_stats(struct hist_entry *he)
901{
902 struct c2c_hists *hists;
903
904 hists = container_of(he->hists, struct c2c_hists, hists);
905 return &hists->stats;
906}
907
908static double percent(u32 st, u32 tot)
909{
910 return tot ? 100. * (double) st / (double) tot : 0;
911}
912
913#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
914
915#define PERCENT_FN(__f) \
916static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
917{ \
918 struct c2c_hists *hists; \
919 \
920 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
921 return percent(c2c_he->stats.__f, hists->stats.__f); \
922}
923
924PERCENT_FN(rmt_hitm)
925PERCENT_FN(lcl_hitm)
926PERCENT_FN(rmt_peer)
927PERCENT_FN(lcl_peer)
928PERCENT_FN(st_l1hit)
929PERCENT_FN(st_l1miss)
930PERCENT_FN(st_na)
931
932static int
933percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
934 struct hist_entry *he)
935{
936 int width = c2c_width(fmt, hpp, he->hists);
937 double per = PERCENT(he, rmt_hitm);
938 char buf[10];
939
940 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
941}
942
943static int
944percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
945 struct hist_entry *he)
946{
947 return percent_color(fmt, hpp, he, percent_rmt_hitm);
948}
949
950static int64_t
951percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
952 struct hist_entry *left, struct hist_entry *right)
953{
954 double per_left;
955 double per_right;
956
957 per_left = PERCENT(left, rmt_hitm);
958 per_right = PERCENT(right, rmt_hitm);
959
960 return per_left - per_right;
961}
962
963static int
964percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
965 struct hist_entry *he)
966{
967 int width = c2c_width(fmt, hpp, he->hists);
968 double per = PERCENT(he, lcl_hitm);
969 char buf[10];
970
971 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
972}
973
974static int
975percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
976 struct hist_entry *he)
977{
978 return percent_color(fmt, hpp, he, percent_lcl_hitm);
979}
980
981static int64_t
982percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
983 struct hist_entry *left, struct hist_entry *right)
984{
985 double per_left;
986 double per_right;
987
988 per_left = PERCENT(left, lcl_hitm);
989 per_right = PERCENT(right, lcl_hitm);
990
991 return per_left - per_right;
992}
993
994static int
995percent_lcl_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
996 struct hist_entry *he)
997{
998 int width = c2c_width(fmt, hpp, he->hists);
999 double per = PERCENT(he, lcl_peer);
1000 char buf[10];
1001
1002 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1003}
1004
1005static int
1006percent_lcl_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1007 struct hist_entry *he)
1008{
1009 return percent_color(fmt, hpp, he, percent_lcl_peer);
1010}
1011
1012static int64_t
1013percent_lcl_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1014 struct hist_entry *left, struct hist_entry *right)
1015{
1016 double per_left;
1017 double per_right;
1018
1019 per_left = PERCENT(left, lcl_peer);
1020 per_right = PERCENT(right, lcl_peer);
1021
1022 return per_left - per_right;
1023}
1024
1025static int
1026percent_rmt_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1027 struct hist_entry *he)
1028{
1029 int width = c2c_width(fmt, hpp, he->hists);
1030 double per = PERCENT(he, rmt_peer);
1031 char buf[10];
1032
1033 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1034}
1035
1036static int
1037percent_rmt_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1038 struct hist_entry *he)
1039{
1040 return percent_color(fmt, hpp, he, percent_rmt_peer);
1041}
1042
1043static int64_t
1044percent_rmt_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1045 struct hist_entry *left, struct hist_entry *right)
1046{
1047 double per_left;
1048 double per_right;
1049
1050 per_left = PERCENT(left, rmt_peer);
1051 per_right = PERCENT(right, rmt_peer);
1052
1053 return per_left - per_right;
1054}
1055
1056static int
1057percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1058 struct hist_entry *he)
1059{
1060 int width = c2c_width(fmt, hpp, he->hists);
1061 double per = PERCENT(he, st_l1hit);
1062 char buf[10];
1063
1064 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1065}
1066
1067static int
1068percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1069 struct hist_entry *he)
1070{
1071 return percent_color(fmt, hpp, he, percent_st_l1hit);
1072}
1073
1074static int64_t
1075percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1076 struct hist_entry *left, struct hist_entry *right)
1077{
1078 double per_left;
1079 double per_right;
1080
1081 per_left = PERCENT(left, st_l1hit);
1082 per_right = PERCENT(right, st_l1hit);
1083
1084 return per_left - per_right;
1085}
1086
1087static int
1088percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1089 struct hist_entry *he)
1090{
1091 int width = c2c_width(fmt, hpp, he->hists);
1092 double per = PERCENT(he, st_l1miss);
1093 char buf[10];
1094
1095 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1096}
1097
1098static int
1099percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1100 struct hist_entry *he)
1101{
1102 return percent_color(fmt, hpp, he, percent_st_l1miss);
1103}
1104
1105static int64_t
1106percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1107 struct hist_entry *left, struct hist_entry *right)
1108{
1109 double per_left;
1110 double per_right;
1111
1112 per_left = PERCENT(left, st_l1miss);
1113 per_right = PERCENT(right, st_l1miss);
1114
1115 return per_left - per_right;
1116}
1117
1118static int
1119percent_stores_na_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1120 struct hist_entry *he)
1121{
1122 int width = c2c_width(fmt, hpp, he->hists);
1123 double per = PERCENT(he, st_na);
1124 char buf[10];
1125
1126 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1127}
1128
1129static int
1130percent_stores_na_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1131 struct hist_entry *he)
1132{
1133 return percent_color(fmt, hpp, he, percent_st_na);
1134}
1135
1136static int64_t
1137percent_stores_na_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1138 struct hist_entry *left, struct hist_entry *right)
1139{
1140 double per_left;
1141 double per_right;
1142
1143 per_left = PERCENT(left, st_na);
1144 per_right = PERCENT(right, st_na);
1145
1146 return per_left - per_right;
1147}
1148
1149STAT_FN(lcl_dram)
1150STAT_FN(rmt_dram)
1151
1152static int
1153pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1154 struct hist_entry *he)
1155{
1156 int width = c2c_width(fmt, hpp, he->hists);
1157
1158 return scnprintf(hpp->buf, hpp->size, "%*d", width, thread__pid(he->thread));
1159}
1160
1161static int64_t
1162pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1163 struct hist_entry *left, struct hist_entry *right)
1164{
1165 return thread__pid(left->thread) - thread__pid(right->thread);
1166}
1167
1168static int64_t
1169empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1170 struct hist_entry *left __maybe_unused,
1171 struct hist_entry *right __maybe_unused)
1172{
1173 return 0;
1174}
1175
1176static int display_metrics(struct perf_hpp *hpp, u32 val, u32 sum)
1177{
1178 int ret;
1179
1180 if (sum != 0)
1181 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",
1182 percent(val, sum));
1183 else
1184 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");
1185
1186 return ret;
1187}
1188
1189static int
1190node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1191 struct hist_entry *he)
1192{
1193 struct c2c_hist_entry *c2c_he;
1194 bool first = true;
1195 int node;
1196 int ret = 0;
1197
1198 c2c_he = container_of(he, struct c2c_hist_entry, he);
1199
1200 for (node = 0; node < c2c.nodes_cnt; node++) {
1201 DECLARE_BITMAP(set, c2c.cpus_cnt);
1202
1203 bitmap_zero(set, c2c.cpus_cnt);
1204 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1205
1206 if (bitmap_empty(set, c2c.cpus_cnt)) {
1207 if (c2c.node_info == 1) {
1208 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1209 advance_hpp(hpp, ret);
1210 }
1211 continue;
1212 }
1213
1214 if (!first) {
1215 ret = scnprintf(hpp->buf, hpp->size, " ");
1216 advance_hpp(hpp, ret);
1217 }
1218
1219 switch (c2c.node_info) {
1220 case 0:
1221 ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1222 advance_hpp(hpp, ret);
1223 break;
1224 case 1:
1225 {
1226 int num = bitmap_weight(set, c2c.cpus_cnt);
1227 struct c2c_stats *stats = &c2c_he->node_stats[node];
1228
1229 ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1230 advance_hpp(hpp, ret);
1231
1232 switch (c2c.display) {
1233 case DISPLAY_RMT_HITM:
1234 ret = display_metrics(hpp, stats->rmt_hitm,
1235 c2c_he->stats.rmt_hitm);
1236 break;
1237 case DISPLAY_LCL_HITM:
1238 ret = display_metrics(hpp, stats->lcl_hitm,
1239 c2c_he->stats.lcl_hitm);
1240 break;
1241 case DISPLAY_TOT_HITM:
1242 ret = display_metrics(hpp, stats->tot_hitm,
1243 c2c_he->stats.tot_hitm);
1244 break;
1245 case DISPLAY_SNP_PEER:
1246 ret = display_metrics(hpp, stats->tot_peer,
1247 c2c_he->stats.tot_peer);
1248 break;
1249 default:
1250 break;
1251 }
1252
1253 advance_hpp(hpp, ret);
1254
1255 if (c2c_he->stats.store > 0) {
1256 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1257 percent(stats->store, c2c_he->stats.store));
1258 } else {
1259 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1260 }
1261
1262 advance_hpp(hpp, ret);
1263 break;
1264 }
1265 case 2:
1266 ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1267 advance_hpp(hpp, ret);
1268
1269 ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1270 advance_hpp(hpp, ret);
1271
1272 ret = scnprintf(hpp->buf, hpp->size, "}");
1273 advance_hpp(hpp, ret);
1274 break;
1275 default:
1276 break;
1277 }
1278
1279 first = false;
1280 }
1281
1282 return 0;
1283}
1284
1285static int
1286mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1287 struct hist_entry *he, double mean)
1288{
1289 int width = c2c_width(fmt, hpp, he->hists);
1290 char buf[10];
1291
1292 scnprintf(buf, 10, "%6.0f", mean);
1293 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1294}
1295
1296#define MEAN_ENTRY(__func, __val) \
1297static int \
1298__func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
1299{ \
1300 struct c2c_hist_entry *c2c_he; \
1301 c2c_he = container_of(he, struct c2c_hist_entry, he); \
1302 return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \
1303}
1304
1305MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
1306MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
1307MEAN_ENTRY(mean_load_entry, load);
1308MEAN_ENTRY(mean_rmt_peer_entry, rmt_peer);
1309MEAN_ENTRY(mean_lcl_peer_entry, lcl_peer);
1310
1311static int
1312cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1313 struct hist_entry *he)
1314{
1315 struct c2c_hist_entry *c2c_he;
1316 int width = c2c_width(fmt, hpp, he->hists);
1317 char buf[10];
1318
1319 c2c_he = container_of(he, struct c2c_hist_entry, he);
1320
1321 scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1322 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1323}
1324
1325static int
1326cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1327 struct hist_entry *he)
1328{
1329 struct c2c_hist_entry *c2c_he;
1330 int width = c2c_width(fmt, hpp, he->hists);
1331 char buf[10];
1332
1333 c2c_he = container_of(he, struct c2c_hist_entry, he);
1334
1335 scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1336 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1337}
1338
1339static int
1340cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1341 struct hist_entry *he)
1342{
1343 int width = c2c_width(fmt, hpp, he->hists);
1344
1345 return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1346}
1347
1348#define HEADER_LOW(__h) \
1349 { \
1350 .line[1] = { \
1351 .text = __h, \
1352 }, \
1353 }
1354
1355#define HEADER_BOTH(__h0, __h1) \
1356 { \
1357 .line[0] = { \
1358 .text = __h0, \
1359 }, \
1360 .line[1] = { \
1361 .text = __h1, \
1362 }, \
1363 }
1364
1365#define HEADER_SPAN(__h0, __h1, __s) \
1366 { \
1367 .line[0] = { \
1368 .text = __h0, \
1369 .span = __s, \
1370 }, \
1371 .line[1] = { \
1372 .text = __h1, \
1373 }, \
1374 }
1375
1376#define HEADER_SPAN_LOW(__h) \
1377 { \
1378 .line[1] = { \
1379 .text = __h, \
1380 }, \
1381 }
1382
1383static struct c2c_dimension dim_dcacheline = {
1384 .header = HEADER_SPAN("--- Cacheline ----", "Address", 2),
1385 .name = "dcacheline",
1386 .cmp = dcacheline_cmp,
1387 .entry = dcacheline_entry,
1388 .width = 18,
1389};
1390
1391static struct c2c_dimension dim_dcacheline_node = {
1392 .header = HEADER_LOW("Node"),
1393 .name = "dcacheline_node",
1394 .cmp = empty_cmp,
1395 .entry = dcacheline_node_entry,
1396 .width = 4,
1397};
1398
1399static struct c2c_dimension dim_dcacheline_count = {
1400 .header = HEADER_LOW("PA cnt"),
1401 .name = "dcacheline_count",
1402 .cmp = empty_cmp,
1403 .entry = dcacheline_node_count,
1404 .width = 6,
1405};
1406
1407static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1408
1409static struct c2c_dimension dim_offset = {
1410 .header = HEADER_SPAN("--- Data address -", "Offset", 2),
1411 .name = "offset",
1412 .cmp = offset_cmp,
1413 .entry = offset_entry,
1414 .width = 18,
1415};
1416
1417static struct c2c_dimension dim_offset_node = {
1418 .header = HEADER_LOW("Node"),
1419 .name = "offset_node",
1420 .cmp = empty_cmp,
1421 .entry = dcacheline_node_entry,
1422 .width = 4,
1423};
1424
1425static struct c2c_dimension dim_iaddr = {
1426 .header = HEADER_LOW("Code address"),
1427 .name = "iaddr",
1428 .cmp = iaddr_cmp,
1429 .entry = iaddr_entry,
1430 .width = 18,
1431};
1432
1433static struct c2c_dimension dim_tot_hitm = {
1434 .header = HEADER_SPAN("------- Load Hitm -------", "Total", 2),
1435 .name = "tot_hitm",
1436 .cmp = tot_hitm_cmp,
1437 .entry = tot_hitm_entry,
1438 .width = 7,
1439};
1440
1441static struct c2c_dimension dim_lcl_hitm = {
1442 .header = HEADER_SPAN_LOW("LclHitm"),
1443 .name = "lcl_hitm",
1444 .cmp = lcl_hitm_cmp,
1445 .entry = lcl_hitm_entry,
1446 .width = 7,
1447};
1448
1449static struct c2c_dimension dim_rmt_hitm = {
1450 .header = HEADER_SPAN_LOW("RmtHitm"),
1451 .name = "rmt_hitm",
1452 .cmp = rmt_hitm_cmp,
1453 .entry = rmt_hitm_entry,
1454 .width = 7,
1455};
1456
1457static struct c2c_dimension dim_tot_peer = {
1458 .header = HEADER_SPAN("------- Load Peer -------", "Total", 2),
1459 .name = "tot_peer",
1460 .cmp = tot_peer_cmp,
1461 .entry = tot_peer_entry,
1462 .width = 7,
1463};
1464
1465static struct c2c_dimension dim_lcl_peer = {
1466 .header = HEADER_SPAN_LOW("Local"),
1467 .name = "lcl_peer",
1468 .cmp = lcl_peer_cmp,
1469 .entry = lcl_peer_entry,
1470 .width = 7,
1471};
1472
1473static struct c2c_dimension dim_rmt_peer = {
1474 .header = HEADER_SPAN_LOW("Remote"),
1475 .name = "rmt_peer",
1476 .cmp = rmt_peer_cmp,
1477 .entry = rmt_peer_entry,
1478 .width = 7,
1479};
1480
1481static struct c2c_dimension dim_cl_rmt_hitm = {
1482 .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1483 .name = "cl_rmt_hitm",
1484 .cmp = rmt_hitm_cmp,
1485 .entry = rmt_hitm_entry,
1486 .width = 7,
1487};
1488
1489static struct c2c_dimension dim_cl_lcl_hitm = {
1490 .header = HEADER_SPAN_LOW("Lcl"),
1491 .name = "cl_lcl_hitm",
1492 .cmp = lcl_hitm_cmp,
1493 .entry = lcl_hitm_entry,
1494 .width = 7,
1495};
1496
1497static struct c2c_dimension dim_cl_rmt_peer = {
1498 .header = HEADER_SPAN("----- Peer -----", "Rmt", 1),
1499 .name = "cl_rmt_peer",
1500 .cmp = rmt_peer_cmp,
1501 .entry = rmt_peer_entry,
1502 .width = 7,
1503};
1504
1505static struct c2c_dimension dim_cl_lcl_peer = {
1506 .header = HEADER_SPAN_LOW("Lcl"),
1507 .name = "cl_lcl_peer",
1508 .cmp = lcl_peer_cmp,
1509 .entry = lcl_peer_entry,
1510 .width = 7,
1511};
1512
1513static struct c2c_dimension dim_tot_stores = {
1514 .header = HEADER_BOTH("Total", "Stores"),
1515 .name = "tot_stores",
1516 .cmp = store_cmp,
1517 .entry = store_entry,
1518 .width = 7,
1519};
1520
1521static struct c2c_dimension dim_stores_l1hit = {
1522 .header = HEADER_SPAN("--------- Stores --------", "L1Hit", 2),
1523 .name = "stores_l1hit",
1524 .cmp = st_l1hit_cmp,
1525 .entry = st_l1hit_entry,
1526 .width = 7,
1527};
1528
1529static struct c2c_dimension dim_stores_l1miss = {
1530 .header = HEADER_SPAN_LOW("L1Miss"),
1531 .name = "stores_l1miss",
1532 .cmp = st_l1miss_cmp,
1533 .entry = st_l1miss_entry,
1534 .width = 7,
1535};
1536
1537static struct c2c_dimension dim_stores_na = {
1538 .header = HEADER_SPAN_LOW("N/A"),
1539 .name = "stores_na",
1540 .cmp = st_na_cmp,
1541 .entry = st_na_entry,
1542 .width = 7,
1543};
1544
1545static struct c2c_dimension dim_cl_stores_l1hit = {
1546 .header = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
1547 .name = "cl_stores_l1hit",
1548 .cmp = st_l1hit_cmp,
1549 .entry = st_l1hit_entry,
1550 .width = 7,
1551};
1552
1553static struct c2c_dimension dim_cl_stores_l1miss = {
1554 .header = HEADER_SPAN_LOW("L1 Miss"),
1555 .name = "cl_stores_l1miss",
1556 .cmp = st_l1miss_cmp,
1557 .entry = st_l1miss_entry,
1558 .width = 7,
1559};
1560
1561static struct c2c_dimension dim_cl_stores_na = {
1562 .header = HEADER_SPAN_LOW("N/A"),
1563 .name = "cl_stores_na",
1564 .cmp = st_na_cmp,
1565 .entry = st_na_entry,
1566 .width = 7,
1567};
1568
1569static struct c2c_dimension dim_ld_fbhit = {
1570 .header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1571 .name = "ld_fbhit",
1572 .cmp = ld_fbhit_cmp,
1573 .entry = ld_fbhit_entry,
1574 .width = 7,
1575};
1576
1577static struct c2c_dimension dim_ld_l1hit = {
1578 .header = HEADER_SPAN_LOW("L1"),
1579 .name = "ld_l1hit",
1580 .cmp = ld_l1hit_cmp,
1581 .entry = ld_l1hit_entry,
1582 .width = 7,
1583};
1584
1585static struct c2c_dimension dim_ld_l2hit = {
1586 .header = HEADER_SPAN_LOW("L2"),
1587 .name = "ld_l2hit",
1588 .cmp = ld_l2hit_cmp,
1589 .entry = ld_l2hit_entry,
1590 .width = 7,
1591};
1592
1593static struct c2c_dimension dim_ld_llchit = {
1594 .header = HEADER_SPAN("- LLC Load Hit --", "LclHit", 1),
1595 .name = "ld_lclhit",
1596 .cmp = ld_llchit_cmp,
1597 .entry = ld_llchit_entry,
1598 .width = 8,
1599};
1600
1601static struct c2c_dimension dim_ld_rmthit = {
1602 .header = HEADER_SPAN("- RMT Load Hit --", "RmtHit", 1),
1603 .name = "ld_rmthit",
1604 .cmp = rmt_hit_cmp,
1605 .entry = rmt_hit_entry,
1606 .width = 8,
1607};
1608
1609static struct c2c_dimension dim_tot_recs = {
1610 .header = HEADER_BOTH("Total", "records"),
1611 .name = "tot_recs",
1612 .cmp = tot_recs_cmp,
1613 .entry = tot_recs_entry,
1614 .width = 7,
1615};
1616
1617static struct c2c_dimension dim_tot_loads = {
1618 .header = HEADER_BOTH("Total", "Loads"),
1619 .name = "tot_loads",
1620 .cmp = tot_loads_cmp,
1621 .entry = tot_loads_entry,
1622 .width = 7,
1623};
1624
1625static struct c2c_header percent_costly_snoop_header[] = {
1626 [DISPLAY_LCL_HITM] = HEADER_BOTH("Lcl", "Hitm"),
1627 [DISPLAY_RMT_HITM] = HEADER_BOTH("Rmt", "Hitm"),
1628 [DISPLAY_TOT_HITM] = HEADER_BOTH("Tot", "Hitm"),
1629 [DISPLAY_SNP_PEER] = HEADER_BOTH("Peer", "Snoop"),
1630};
1631
1632static struct c2c_dimension dim_percent_costly_snoop = {
1633 .name = "percent_costly_snoop",
1634 .cmp = percent_costly_snoop_cmp,
1635 .entry = percent_costly_snoop_entry,
1636 .color = percent_costly_snoop_color,
1637 .width = 7,
1638};
1639
1640static struct c2c_dimension dim_percent_rmt_hitm = {
1641 .header = HEADER_SPAN("----- HITM -----", "RmtHitm", 1),
1642 .name = "percent_rmt_hitm",
1643 .cmp = percent_rmt_hitm_cmp,
1644 .entry = percent_rmt_hitm_entry,
1645 .color = percent_rmt_hitm_color,
1646 .width = 7,
1647};
1648
1649static struct c2c_dimension dim_percent_lcl_hitm = {
1650 .header = HEADER_SPAN_LOW("LclHitm"),
1651 .name = "percent_lcl_hitm",
1652 .cmp = percent_lcl_hitm_cmp,
1653 .entry = percent_lcl_hitm_entry,
1654 .color = percent_lcl_hitm_color,
1655 .width = 7,
1656};
1657
1658static struct c2c_dimension dim_percent_rmt_peer = {
1659 .header = HEADER_SPAN("-- Peer Snoop --", "Rmt", 1),
1660 .name = "percent_rmt_peer",
1661 .cmp = percent_rmt_peer_cmp,
1662 .entry = percent_rmt_peer_entry,
1663 .color = percent_rmt_peer_color,
1664 .width = 7,
1665};
1666
1667static struct c2c_dimension dim_percent_lcl_peer = {
1668 .header = HEADER_SPAN_LOW("Lcl"),
1669 .name = "percent_lcl_peer",
1670 .cmp = percent_lcl_peer_cmp,
1671 .entry = percent_lcl_peer_entry,
1672 .color = percent_lcl_peer_color,
1673 .width = 7,
1674};
1675
1676static struct c2c_dimension dim_percent_stores_l1hit = {
1677 .header = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
1678 .name = "percent_stores_l1hit",
1679 .cmp = percent_stores_l1hit_cmp,
1680 .entry = percent_stores_l1hit_entry,
1681 .color = percent_stores_l1hit_color,
1682 .width = 7,
1683};
1684
1685static struct c2c_dimension dim_percent_stores_l1miss = {
1686 .header = HEADER_SPAN_LOW("L1 Miss"),
1687 .name = "percent_stores_l1miss",
1688 .cmp = percent_stores_l1miss_cmp,
1689 .entry = percent_stores_l1miss_entry,
1690 .color = percent_stores_l1miss_color,
1691 .width = 7,
1692};
1693
1694static struct c2c_dimension dim_percent_stores_na = {
1695 .header = HEADER_SPAN_LOW("N/A"),
1696 .name = "percent_stores_na",
1697 .cmp = percent_stores_na_cmp,
1698 .entry = percent_stores_na_entry,
1699 .color = percent_stores_na_color,
1700 .width = 7,
1701};
1702
1703static struct c2c_dimension dim_dram_lcl = {
1704 .header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1705 .name = "dram_lcl",
1706 .cmp = lcl_dram_cmp,
1707 .entry = lcl_dram_entry,
1708 .width = 8,
1709};
1710
1711static struct c2c_dimension dim_dram_rmt = {
1712 .header = HEADER_SPAN_LOW("Rmt"),
1713 .name = "dram_rmt",
1714 .cmp = rmt_dram_cmp,
1715 .entry = rmt_dram_entry,
1716 .width = 8,
1717};
1718
1719static struct c2c_dimension dim_pid = {
1720 .header = HEADER_LOW("Pid"),
1721 .name = "pid",
1722 .cmp = pid_cmp,
1723 .entry = pid_entry,
1724 .width = 7,
1725};
1726
1727static struct c2c_dimension dim_tid = {
1728 .header = HEADER_LOW("Tid"),
1729 .name = "tid",
1730 .se = &sort_thread,
1731};
1732
1733static struct c2c_dimension dim_symbol = {
1734 .name = "symbol",
1735 .se = &sort_sym,
1736};
1737
1738static struct c2c_dimension dim_dso = {
1739 .header = HEADER_BOTH("Shared", "Object"),
1740 .name = "dso",
1741 .se = &sort_dso,
1742};
1743
1744static struct c2c_dimension dim_node = {
1745 .name = "node",
1746 .cmp = empty_cmp,
1747 .entry = node_entry,
1748 .width = 4,
1749};
1750
1751static struct c2c_dimension dim_mean_rmt = {
1752 .header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1753 .name = "mean_rmt",
1754 .cmp = empty_cmp,
1755 .entry = mean_rmt_entry,
1756 .width = 8,
1757};
1758
1759static struct c2c_dimension dim_mean_lcl = {
1760 .header = HEADER_SPAN_LOW("lcl hitm"),
1761 .name = "mean_lcl",
1762 .cmp = empty_cmp,
1763 .entry = mean_lcl_entry,
1764 .width = 8,
1765};
1766
1767static struct c2c_dimension dim_mean_load = {
1768 .header = HEADER_SPAN_LOW("load"),
1769 .name = "mean_load",
1770 .cmp = empty_cmp,
1771 .entry = mean_load_entry,
1772 .width = 8,
1773};
1774
1775static struct c2c_dimension dim_mean_rmt_peer = {
1776 .header = HEADER_SPAN("---------- cycles ----------", "rmt peer", 2),
1777 .name = "mean_rmt_peer",
1778 .cmp = empty_cmp,
1779 .entry = mean_rmt_peer_entry,
1780 .width = 8,
1781};
1782
1783static struct c2c_dimension dim_mean_lcl_peer = {
1784 .header = HEADER_SPAN_LOW("lcl peer"),
1785 .name = "mean_lcl_peer",
1786 .cmp = empty_cmp,
1787 .entry = mean_lcl_peer_entry,
1788 .width = 8,
1789};
1790
1791static struct c2c_dimension dim_cpucnt = {
1792 .header = HEADER_BOTH("cpu", "cnt"),
1793 .name = "cpucnt",
1794 .cmp = empty_cmp,
1795 .entry = cpucnt_entry,
1796 .width = 8,
1797};
1798
1799static struct c2c_dimension dim_srcline = {
1800 .name = "cl_srcline",
1801 .se = &sort_srcline,
1802};
1803
1804static struct c2c_dimension dim_dcacheline_idx = {
1805 .header = HEADER_LOW("Index"),
1806 .name = "cl_idx",
1807 .cmp = empty_cmp,
1808 .entry = cl_idx_entry,
1809 .width = 5,
1810};
1811
1812static struct c2c_dimension dim_dcacheline_num = {
1813 .header = HEADER_LOW("Num"),
1814 .name = "cl_num",
1815 .cmp = empty_cmp,
1816 .entry = cl_idx_entry,
1817 .width = 5,
1818};
1819
1820static struct c2c_dimension dim_dcacheline_num_empty = {
1821 .header = HEADER_LOW("Num"),
1822 .name = "cl_num_empty",
1823 .cmp = empty_cmp,
1824 .entry = cl_idx_empty_entry,
1825 .width = 5,
1826};
1827
1828static struct c2c_dimension *dimensions[] = {
1829 &dim_dcacheline,
1830 &dim_dcacheline_node,
1831 &dim_dcacheline_count,
1832 &dim_offset,
1833 &dim_offset_node,
1834 &dim_iaddr,
1835 &dim_tot_hitm,
1836 &dim_lcl_hitm,
1837 &dim_rmt_hitm,
1838 &dim_tot_peer,
1839 &dim_lcl_peer,
1840 &dim_rmt_peer,
1841 &dim_cl_lcl_hitm,
1842 &dim_cl_rmt_hitm,
1843 &dim_cl_lcl_peer,
1844 &dim_cl_rmt_peer,
1845 &dim_tot_stores,
1846 &dim_stores_l1hit,
1847 &dim_stores_l1miss,
1848 &dim_stores_na,
1849 &dim_cl_stores_l1hit,
1850 &dim_cl_stores_l1miss,
1851 &dim_cl_stores_na,
1852 &dim_ld_fbhit,
1853 &dim_ld_l1hit,
1854 &dim_ld_l2hit,
1855 &dim_ld_llchit,
1856 &dim_ld_rmthit,
1857 &dim_tot_recs,
1858 &dim_tot_loads,
1859 &dim_percent_costly_snoop,
1860 &dim_percent_rmt_hitm,
1861 &dim_percent_lcl_hitm,
1862 &dim_percent_rmt_peer,
1863 &dim_percent_lcl_peer,
1864 &dim_percent_stores_l1hit,
1865 &dim_percent_stores_l1miss,
1866 &dim_percent_stores_na,
1867 &dim_dram_lcl,
1868 &dim_dram_rmt,
1869 &dim_pid,
1870 &dim_tid,
1871 &dim_symbol,
1872 &dim_dso,
1873 &dim_node,
1874 &dim_mean_rmt,
1875 &dim_mean_lcl,
1876 &dim_mean_rmt_peer,
1877 &dim_mean_lcl_peer,
1878 &dim_mean_load,
1879 &dim_cpucnt,
1880 &dim_srcline,
1881 &dim_dcacheline_idx,
1882 &dim_dcacheline_num,
1883 &dim_dcacheline_num_empty,
1884 NULL,
1885};
1886
1887static void fmt_free(struct perf_hpp_fmt *fmt)
1888{
1889 struct c2c_fmt *c2c_fmt;
1890
1891 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1892 free(c2c_fmt);
1893}
1894
1895static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1896{
1897 struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1898 struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1899
1900 return c2c_a->dim == c2c_b->dim;
1901}
1902
1903static struct c2c_dimension *get_dimension(const char *name)
1904{
1905 unsigned int i;
1906
1907 for (i = 0; dimensions[i]; i++) {
1908 struct c2c_dimension *dim = dimensions[i];
1909
1910 if (!strcmp(dim->name, name))
1911 return dim;
1912 }
1913
1914 return NULL;
1915}
1916
1917static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1918 struct hist_entry *he)
1919{
1920 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1921 struct c2c_dimension *dim = c2c_fmt->dim;
1922 size_t len = fmt->user_len;
1923
1924 if (!len) {
1925 len = hists__col_len(he->hists, dim->se->se_width_idx);
1926
1927 if (dim == &dim_symbol || dim == &dim_srcline)
1928 len = symbol_width(he->hists, dim->se);
1929 }
1930
1931 return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1932}
1933
1934static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1935 struct hist_entry *a, struct hist_entry *b)
1936{
1937 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1938 struct c2c_dimension *dim = c2c_fmt->dim;
1939
1940 return dim->se->se_cmp(a, b);
1941}
1942
1943static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1944 struct hist_entry *a, struct hist_entry *b)
1945{
1946 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1947 struct c2c_dimension *dim = c2c_fmt->dim;
1948 int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1949
1950 collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1951 return collapse_fn(a, b);
1952}
1953
1954static struct c2c_fmt *get_format(const char *name)
1955{
1956 struct c2c_dimension *dim = get_dimension(name);
1957 struct c2c_fmt *c2c_fmt;
1958 struct perf_hpp_fmt *fmt;
1959
1960 if (!dim)
1961 return NULL;
1962
1963 c2c_fmt = zalloc(sizeof(*c2c_fmt));
1964 if (!c2c_fmt)
1965 return NULL;
1966
1967 c2c_fmt->dim = dim;
1968
1969 fmt = &c2c_fmt->fmt;
1970 INIT_LIST_HEAD(&fmt->list);
1971 INIT_LIST_HEAD(&fmt->sort_list);
1972
1973 fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
1974 fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
1975 fmt->color = dim->se ? NULL : dim->color;
1976 fmt->entry = dim->se ? c2c_se_entry : dim->entry;
1977 fmt->header = c2c_header;
1978 fmt->width = c2c_width;
1979 fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp;
1980 fmt->equal = fmt_equal;
1981 fmt->free = fmt_free;
1982
1983 return c2c_fmt;
1984}
1985
1986static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1987{
1988 struct c2c_fmt *c2c_fmt = get_format(name);
1989
1990 if (!c2c_fmt) {
1991 reset_dimensions();
1992 return output_field_add(hpp_list, name);
1993 }
1994
1995 perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1996 return 0;
1997}
1998
1999static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
2000{
2001 struct c2c_fmt *c2c_fmt = get_format(name);
2002 struct c2c_dimension *dim;
2003
2004 if (!c2c_fmt) {
2005 reset_dimensions();
2006 return sort_dimension__add(hpp_list, name, NULL, 0);
2007 }
2008
2009 dim = c2c_fmt->dim;
2010 if (dim == &dim_dso)
2011 hpp_list->dso = 1;
2012
2013 perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
2014 return 0;
2015}
2016
2017#define PARSE_LIST(_list, _fn) \
2018 do { \
2019 char *tmp, *tok; \
2020 ret = 0; \
2021 \
2022 if (!_list) \
2023 break; \
2024 \
2025 for (tok = strtok_r((char *)_list, ", ", &tmp); \
2026 tok; tok = strtok_r(NULL, ", ", &tmp)) { \
2027 ret = _fn(hpp_list, tok); \
2028 if (ret == -EINVAL) { \
2029 pr_err("Invalid --fields key: `%s'", tok); \
2030 break; \
2031 } else if (ret == -ESRCH) { \
2032 pr_err("Unknown --fields key: `%s'", tok); \
2033 break; \
2034 } \
2035 } \
2036 } while (0)
2037
2038static int hpp_list__parse(struct perf_hpp_list *hpp_list,
2039 const char *output_,
2040 const char *sort_)
2041{
2042 char *output = output_ ? strdup(output_) : NULL;
2043 char *sort = sort_ ? strdup(sort_) : NULL;
2044 int ret;
2045
2046 PARSE_LIST(output, c2c_hists__init_output);
2047 PARSE_LIST(sort, c2c_hists__init_sort);
2048
2049 /* copy sort keys to output fields */
2050 perf_hpp__setup_output_field(hpp_list);
2051
2052 /*
2053 * We dont need other sorting keys other than those
2054 * we already specified. It also really slows down
2055 * the processing a lot with big number of output
2056 * fields, so switching this off for c2c.
2057 */
2058
2059#if 0
2060 /* and then copy output fields to sort keys */
2061 perf_hpp__append_sort_keys(&hists->list);
2062#endif
2063
2064 free(output);
2065 free(sort);
2066 return ret;
2067}
2068
2069static int c2c_hists__init(struct c2c_hists *hists,
2070 const char *sort,
2071 int nr_header_lines)
2072{
2073 __hists__init(&hists->hists, &hists->list);
2074
2075 /*
2076 * Initialize only with sort fields, we need to resort
2077 * later anyway, and that's where we add output fields
2078 * as well.
2079 */
2080 perf_hpp_list__init(&hists->list);
2081
2082 /* Overload number of header lines.*/
2083 hists->list.nr_header_lines = nr_header_lines;
2084
2085 return hpp_list__parse(&hists->list, NULL, sort);
2086}
2087
2088static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
2089 const char *output,
2090 const char *sort)
2091{
2092 perf_hpp__reset_output_field(&c2c_hists->list);
2093 return hpp_list__parse(&c2c_hists->list, output, sort);
2094}
2095
2096#define DISPLAY_LINE_LIMIT 0.001
2097
2098static u8 filter_display(u32 val, u32 sum)
2099{
2100 if (sum == 0 || ((double)val / sum) < DISPLAY_LINE_LIMIT)
2101 return HIST_FILTER__C2C;
2102
2103 return 0;
2104}
2105
2106static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
2107{
2108 struct c2c_hist_entry *c2c_he;
2109
2110 if (c2c.show_all)
2111 return true;
2112
2113 c2c_he = container_of(he, struct c2c_hist_entry, he);
2114
2115 switch (c2c.display) {
2116 case DISPLAY_LCL_HITM:
2117 he->filtered = filter_display(c2c_he->stats.lcl_hitm,
2118 stats->lcl_hitm);
2119 break;
2120 case DISPLAY_RMT_HITM:
2121 he->filtered = filter_display(c2c_he->stats.rmt_hitm,
2122 stats->rmt_hitm);
2123 break;
2124 case DISPLAY_TOT_HITM:
2125 he->filtered = filter_display(c2c_he->stats.tot_hitm,
2126 stats->tot_hitm);
2127 break;
2128 case DISPLAY_SNP_PEER:
2129 he->filtered = filter_display(c2c_he->stats.tot_peer,
2130 stats->tot_peer);
2131 break;
2132 default:
2133 break;
2134 }
2135
2136 return he->filtered == 0;
2137}
2138
2139static inline bool is_valid_hist_entry(struct hist_entry *he)
2140{
2141 struct c2c_hist_entry *c2c_he;
2142 bool has_record = false;
2143
2144 c2c_he = container_of(he, struct c2c_hist_entry, he);
2145
2146 /* It's a valid entry if contains stores */
2147 if (c2c_he->stats.store)
2148 return true;
2149
2150 switch (c2c.display) {
2151 case DISPLAY_LCL_HITM:
2152 has_record = !!c2c_he->stats.lcl_hitm;
2153 break;
2154 case DISPLAY_RMT_HITM:
2155 has_record = !!c2c_he->stats.rmt_hitm;
2156 break;
2157 case DISPLAY_TOT_HITM:
2158 has_record = !!c2c_he->stats.tot_hitm;
2159 break;
2160 case DISPLAY_SNP_PEER:
2161 has_record = !!c2c_he->stats.tot_peer;
2162 default:
2163 break;
2164 }
2165
2166 return has_record;
2167}
2168
2169static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
2170{
2171 struct c2c_dimension *dim;
2172
2173 dim = &c2c.hists == c2c_he->hists ?
2174 &dim_dcacheline_node : &dim_offset_node;
2175
2176 if (len > dim->width)
2177 dim->width = len;
2178}
2179
2180static int set_nodestr(struct c2c_hist_entry *c2c_he)
2181{
2182 char buf[30];
2183 int len;
2184
2185 if (c2c_he->nodestr)
2186 return 0;
2187
2188 if (!bitmap_empty(c2c_he->nodeset, c2c.nodes_cnt)) {
2189 len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
2190 buf, sizeof(buf));
2191 } else {
2192 len = scnprintf(buf, sizeof(buf), "N/A");
2193 }
2194
2195 set_node_width(c2c_he, len);
2196 c2c_he->nodestr = strdup(buf);
2197 return c2c_he->nodestr ? 0 : -ENOMEM;
2198}
2199
2200static void calc_width(struct c2c_hist_entry *c2c_he)
2201{
2202 struct c2c_hists *c2c_hists;
2203
2204 c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
2205 hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
2206 set_nodestr(c2c_he);
2207}
2208
2209static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
2210{
2211 struct c2c_hist_entry *c2c_he;
2212
2213 c2c_he = container_of(he, struct c2c_hist_entry, he);
2214
2215 if (c2c.show_src && !he->srcline)
2216 he->srcline = hist_entry__srcline(he);
2217
2218 calc_width(c2c_he);
2219
2220 if (!is_valid_hist_entry(he))
2221 he->filtered = HIST_FILTER__C2C;
2222
2223 return 0;
2224}
2225
2226static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2227{
2228 struct c2c_hist_entry *c2c_he;
2229 struct c2c_hists *c2c_hists;
2230 bool display = he__display(he, &c2c.shared_clines_stats);
2231
2232 c2c_he = container_of(he, struct c2c_hist_entry, he);
2233 c2c_hists = c2c_he->hists;
2234
2235 if (display && c2c_hists) {
2236 static unsigned int idx;
2237
2238 c2c_he->cacheline_idx = idx++;
2239 calc_width(c2c_he);
2240
2241 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
2242
2243 hists__collapse_resort(&c2c_hists->hists, NULL);
2244 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
2245 }
2246
2247 return 0;
2248}
2249
2250static struct c2c_header header_node_0 = HEADER_LOW("Node");
2251static struct c2c_header header_node_1_hitms_stores =
2252 HEADER_LOW("Node{cpus %hitms %stores}");
2253static struct c2c_header header_node_1_peers_stores =
2254 HEADER_LOW("Node{cpus %peers %stores}");
2255static struct c2c_header header_node_2 = HEADER_LOW("Node{cpu list}");
2256
2257static void setup_nodes_header(void)
2258{
2259 switch (c2c.node_info) {
2260 case 0:
2261 dim_node.header = header_node_0;
2262 break;
2263 case 1:
2264 if (c2c.display == DISPLAY_SNP_PEER)
2265 dim_node.header = header_node_1_peers_stores;
2266 else
2267 dim_node.header = header_node_1_hitms_stores;
2268 break;
2269 case 2:
2270 dim_node.header = header_node_2;
2271 break;
2272 default:
2273 break;
2274 }
2275
2276 return;
2277}
2278
2279static int setup_nodes(struct perf_session *session)
2280{
2281 struct numa_node *n;
2282 unsigned long **nodes;
2283 int node, idx;
2284 struct perf_cpu cpu;
2285 int *cpu2node;
2286
2287 if (c2c.node_info > 2)
2288 c2c.node_info = 2;
2289
2290 c2c.nodes_cnt = session->header.env.nr_numa_nodes;
2291 c2c.cpus_cnt = session->header.env.nr_cpus_avail;
2292
2293 n = session->header.env.numa_nodes;
2294 if (!n)
2295 return -EINVAL;
2296
2297 nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
2298 if (!nodes)
2299 return -ENOMEM;
2300
2301 c2c.nodes = nodes;
2302
2303 cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
2304 if (!cpu2node)
2305 return -ENOMEM;
2306
2307 for (idx = 0; idx < c2c.cpus_cnt; idx++)
2308 cpu2node[idx] = -1;
2309
2310 c2c.cpu2node = cpu2node;
2311
2312 for (node = 0; node < c2c.nodes_cnt; node++) {
2313 struct perf_cpu_map *map = n[node].map;
2314 unsigned long *set;
2315
2316 set = bitmap_zalloc(c2c.cpus_cnt);
2317 if (!set)
2318 return -ENOMEM;
2319
2320 nodes[node] = set;
2321
2322 /* empty node, skip */
2323 if (perf_cpu_map__has_any_cpu_or_is_empty(map))
2324 continue;
2325
2326 perf_cpu_map__for_each_cpu(cpu, idx, map) {
2327 __set_bit(cpu.cpu, set);
2328
2329 if (WARN_ONCE(cpu2node[cpu.cpu] != -1, "node/cpu topology bug"))
2330 return -EINVAL;
2331
2332 cpu2node[cpu.cpu] = node;
2333 }
2334 }
2335
2336 setup_nodes_header();
2337 return 0;
2338}
2339
2340#define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
2341#define HAS_PEER(__h) ((__h)->stats.lcl_peer || (__h)->stats.rmt_peer)
2342
2343static int resort_shared_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2344{
2345 struct c2c_hist_entry *c2c_he;
2346 c2c_he = container_of(he, struct c2c_hist_entry, he);
2347
2348 if (HAS_HITMS(c2c_he) || HAS_PEER(c2c_he)) {
2349 c2c.shared_clines++;
2350 c2c_add_stats(&c2c.shared_clines_stats, &c2c_he->stats);
2351 }
2352
2353 return 0;
2354}
2355
2356static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
2357{
2358 struct rb_node *next = rb_first_cached(&hists->entries);
2359 int ret = 0;
2360
2361 while (next) {
2362 struct hist_entry *he;
2363
2364 he = rb_entry(next, struct hist_entry, rb_node);
2365 ret = cb(he, NULL);
2366 if (ret)
2367 break;
2368 next = rb_next(&he->rb_node);
2369 }
2370
2371 return ret;
2372}
2373
2374static void print_c2c__display_stats(FILE *out)
2375{
2376 int llc_misses;
2377 struct c2c_stats *stats = &c2c.hists.stats;
2378
2379 llc_misses = get_load_llc_misses(stats);
2380
2381 fprintf(out, "=================================================\n");
2382 fprintf(out, " Trace Event Information \n");
2383 fprintf(out, "=================================================\n");
2384 fprintf(out, " Total records : %10d\n", stats->nr_entries);
2385 fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks);
2386 fprintf(out, " Load Operations : %10d\n", stats->load);
2387 fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache);
2388 fprintf(out, " Loads - IO : %10d\n", stats->ld_io);
2389 fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss);
2390 fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs);
2391 fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit);
2392 fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit);
2393 fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit);
2394 fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2395 fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm);
2396 fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm);
2397 fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit);
2398 fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram);
2399 fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram);
2400 fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
2401 fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
2402 fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
2403 fprintf(out, " Load access blocked by data : %10d\n", stats->blk_data);
2404 fprintf(out, " Load access blocked by address : %10d\n", stats->blk_addr);
2405 fprintf(out, " Load HIT Local Peer : %10d\n", stats->lcl_peer);
2406 fprintf(out, " Load HIT Remote Peer : %10d\n", stats->rmt_peer);
2407 fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2408 fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2409 fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2410 fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2411 fprintf(out, " Store Operations : %10d\n", stats->store);
2412 fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache);
2413 fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
2414 fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
2415 fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
2416 fprintf(out, " Store No available memory level : %10d\n", stats->st_na);
2417 fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
2418 fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
2419}
2420
2421static void print_shared_cacheline_info(FILE *out)
2422{
2423 struct c2c_stats *stats = &c2c.shared_clines_stats;
2424 int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2425
2426 fprintf(out, "=================================================\n");
2427 fprintf(out, " Global Shared Cache Line Event Information \n");
2428 fprintf(out, "=================================================\n");
2429 fprintf(out, " Total Shared Cache Lines : %10d\n", c2c.shared_clines);
2430 fprintf(out, " Load HITs on shared lines : %10d\n", stats->load);
2431 fprintf(out, " Fill Buffer Hits on shared lines : %10d\n", stats->ld_fbhit);
2432 fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit);
2433 fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit);
2434 fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2435 fprintf(out, " Load hits on peer cache or nodes : %10d\n", stats->lcl_peer + stats->rmt_peer);
2436 fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks);
2437 fprintf(out, " Blocked Access on shared lines : %10d\n", stats->blk_data + stats->blk_addr);
2438 fprintf(out, " Store HITs on shared lines : %10d\n", stats->store);
2439 fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit);
2440 fprintf(out, " Store No available memory level : %10d\n", stats->st_na);
2441 fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store);
2442}
2443
2444static void print_cacheline(struct c2c_hists *c2c_hists,
2445 struct hist_entry *he_cl,
2446 struct perf_hpp_list *hpp_list,
2447 FILE *out)
2448{
2449 char bf[1000];
2450 struct perf_hpp hpp = {
2451 .buf = bf,
2452 .size = 1000,
2453 };
2454 static bool once;
2455
2456 if (!once) {
2457 hists__fprintf_headers(&c2c_hists->hists, out);
2458 once = true;
2459 } else {
2460 fprintf(out, "\n");
2461 }
2462
2463 fprintf(out, " ----------------------------------------------------------------------\n");
2464 __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2465 fprintf(out, "%s\n", bf);
2466 fprintf(out, " ----------------------------------------------------------------------\n");
2467
2468 hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
2469}
2470
2471static void print_pareto(FILE *out)
2472{
2473 struct perf_hpp_list hpp_list;
2474 struct rb_node *nd;
2475 int ret;
2476 const char *cl_output;
2477
2478 if (c2c.display != DISPLAY_SNP_PEER)
2479 cl_output = "cl_num,"
2480 "cl_rmt_hitm,"
2481 "cl_lcl_hitm,"
2482 "cl_stores_l1hit,"
2483 "cl_stores_l1miss,"
2484 "cl_stores_na,"
2485 "dcacheline";
2486 else
2487 cl_output = "cl_num,"
2488 "cl_rmt_peer,"
2489 "cl_lcl_peer,"
2490 "cl_stores_l1hit,"
2491 "cl_stores_l1miss,"
2492 "cl_stores_na,"
2493 "dcacheline";
2494
2495 perf_hpp_list__init(&hpp_list);
2496 ret = hpp_list__parse(&hpp_list, cl_output, NULL);
2497
2498 if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2499 return;
2500
2501 nd = rb_first_cached(&c2c.hists.hists.entries);
2502
2503 for (; nd; nd = rb_next(nd)) {
2504 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2505 struct c2c_hist_entry *c2c_he;
2506
2507 if (he->filtered)
2508 continue;
2509
2510 c2c_he = container_of(he, struct c2c_hist_entry, he);
2511 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2512 }
2513}
2514
2515static void print_c2c_info(FILE *out, struct perf_session *session)
2516{
2517 struct evlist *evlist = session->evlist;
2518 struct evsel *evsel;
2519 bool first = true;
2520
2521 fprintf(out, "=================================================\n");
2522 fprintf(out, " c2c details \n");
2523 fprintf(out, "=================================================\n");
2524
2525 evlist__for_each_entry(evlist, evsel) {
2526 fprintf(out, "%-36s: %s\n", first ? " Events" : "", evsel__name(evsel));
2527 first = false;
2528 }
2529 fprintf(out, " Cachelines sort on : %s\n",
2530 display_str[c2c.display]);
2531 fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
2532}
2533
2534static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2535{
2536 setup_pager();
2537
2538 print_c2c__display_stats(out);
2539 fprintf(out, "\n");
2540 print_shared_cacheline_info(out);
2541 fprintf(out, "\n");
2542 print_c2c_info(out, session);
2543
2544 if (c2c.stats_only)
2545 return;
2546
2547 fprintf(out, "\n");
2548 fprintf(out, "=================================================\n");
2549 fprintf(out, " Shared Data Cache Line Table \n");
2550 fprintf(out, "=================================================\n");
2551 fprintf(out, "#\n");
2552
2553 hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
2554
2555 fprintf(out, "\n");
2556 fprintf(out, "=================================================\n");
2557 fprintf(out, " Shared Cache Line Distribution Pareto \n");
2558 fprintf(out, "=================================================\n");
2559 fprintf(out, "#\n");
2560
2561 print_pareto(out);
2562}
2563
2564#ifdef HAVE_SLANG_SUPPORT
2565static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2566{
2567 u64 nr_entries = 0;
2568 struct rb_node *nd = rb_first_cached(&hb->hists->entries);
2569
2570 while (nd) {
2571 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2572
2573 if (!he->filtered)
2574 nr_entries++;
2575
2576 nd = rb_next(nd);
2577 }
2578
2579 hb->nr_non_filtered_entries = nr_entries;
2580}
2581
2582struct c2c_cacheline_browser {
2583 struct hist_browser hb;
2584 struct hist_entry *he;
2585};
2586
2587static int
2588perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2589 char *bf, size_t size)
2590{
2591 struct c2c_cacheline_browser *cl_browser;
2592 struct hist_entry *he;
2593 uint64_t addr = 0;
2594
2595 cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2596 he = cl_browser->he;
2597
2598 if (he->mem_info)
2599 addr = cl_address(he->mem_info->daddr.addr, chk_double_cl);
2600
2601 scnprintf(bf, size, "Cacheline 0x%lx", addr);
2602 return 0;
2603}
2604
2605static struct c2c_cacheline_browser*
2606c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2607{
2608 struct c2c_cacheline_browser *browser;
2609
2610 browser = zalloc(sizeof(*browser));
2611 if (browser) {
2612 hist_browser__init(&browser->hb, hists);
2613 browser->hb.c2c_filter = true;
2614 browser->hb.title = perf_c2c_cacheline_browser__title;
2615 browser->he = he;
2616 }
2617
2618 return browser;
2619}
2620
2621static int perf_c2c__browse_cacheline(struct hist_entry *he)
2622{
2623 struct c2c_hist_entry *c2c_he;
2624 struct c2c_hists *c2c_hists;
2625 struct c2c_cacheline_browser *cl_browser;
2626 struct hist_browser *browser;
2627 int key = -1;
2628 static const char help[] =
2629 " ENTER Toggle callchains (if present) \n"
2630 " n Toggle Node details info \n"
2631 " s Toggle full length of symbol and source line columns \n"
2632 " q Return back to cacheline list \n";
2633
2634 if (!he)
2635 return 0;
2636
2637 /* Display compact version first. */
2638 c2c.symbol_full = false;
2639
2640 c2c_he = container_of(he, struct c2c_hist_entry, he);
2641 c2c_hists = c2c_he->hists;
2642
2643 cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2644 if (cl_browser == NULL)
2645 return -1;
2646
2647 browser = &cl_browser->hb;
2648
2649 /* reset abort key so that it can get Ctrl-C as a key */
2650 SLang_reset_tty();
2651 SLang_init_tty(0, 0, 0);
2652
2653 c2c_browser__update_nr_entries(browser);
2654
2655 while (1) {
2656 key = hist_browser__run(browser, "? - help", true, 0);
2657
2658 switch (key) {
2659 case 's':
2660 c2c.symbol_full = !c2c.symbol_full;
2661 break;
2662 case 'n':
2663 c2c.node_info = (c2c.node_info + 1) % 3;
2664 setup_nodes_header();
2665 break;
2666 case 'q':
2667 goto out;
2668 case '?':
2669 ui_browser__help_window(&browser->b, help);
2670 break;
2671 default:
2672 break;
2673 }
2674 }
2675
2676out:
2677 free(cl_browser);
2678 return 0;
2679}
2680
2681static int perf_c2c_browser__title(struct hist_browser *browser,
2682 char *bf, size_t size)
2683{
2684 scnprintf(bf, size,
2685 "Shared Data Cache Line Table "
2686 "(%lu entries, sorted on %s)",
2687 browser->nr_non_filtered_entries,
2688 display_str[c2c.display]);
2689 return 0;
2690}
2691
2692static struct hist_browser*
2693perf_c2c_browser__new(struct hists *hists)
2694{
2695 struct hist_browser *browser = hist_browser__new(hists);
2696
2697 if (browser) {
2698 browser->title = perf_c2c_browser__title;
2699 browser->c2c_filter = true;
2700 }
2701
2702 return browser;
2703}
2704
2705static int perf_c2c__hists_browse(struct hists *hists)
2706{
2707 struct hist_browser *browser;
2708 int key = -1;
2709 static const char help[] =
2710 " d Display cacheline details \n"
2711 " ENTER Toggle callchains (if present) \n"
2712 " q Quit \n";
2713
2714 browser = perf_c2c_browser__new(hists);
2715 if (browser == NULL)
2716 return -1;
2717
2718 /* reset abort key so that it can get Ctrl-C as a key */
2719 SLang_reset_tty();
2720 SLang_init_tty(0, 0, 0);
2721
2722 c2c_browser__update_nr_entries(browser);
2723
2724 while (1) {
2725 key = hist_browser__run(browser, "? - help", true, 0);
2726
2727 switch (key) {
2728 case 'q':
2729 goto out;
2730 case 'd':
2731 perf_c2c__browse_cacheline(browser->he_selection);
2732 break;
2733 case '?':
2734 ui_browser__help_window(&browser->b, help);
2735 break;
2736 default:
2737 break;
2738 }
2739 }
2740
2741out:
2742 hist_browser__delete(browser);
2743 return 0;
2744}
2745
2746static void perf_c2c_display(struct perf_session *session)
2747{
2748 if (use_browser == 0)
2749 perf_c2c__hists_fprintf(stdout, session);
2750 else
2751 perf_c2c__hists_browse(&c2c.hists.hists);
2752}
2753#else
2754static void perf_c2c_display(struct perf_session *session)
2755{
2756 use_browser = 0;
2757 perf_c2c__hists_fprintf(stdout, session);
2758}
2759#endif /* HAVE_SLANG_SUPPORT */
2760
2761static char *fill_line(const char *orig, int len)
2762{
2763 int i, j, olen = strlen(orig);
2764 char *buf;
2765
2766 buf = zalloc(len + 1);
2767 if (!buf)
2768 return NULL;
2769
2770 j = len / 2 - olen / 2;
2771
2772 for (i = 0; i < j - 1; i++)
2773 buf[i] = '-';
2774
2775 buf[i++] = ' ';
2776
2777 strcpy(buf + i, orig);
2778
2779 i += olen;
2780
2781 buf[i++] = ' ';
2782
2783 for (; i < len; i++)
2784 buf[i] = '-';
2785
2786 return buf;
2787}
2788
2789static int ui_quirks(void)
2790{
2791 const char *nodestr = "Data address";
2792 char *buf;
2793
2794 if (!c2c.use_stdio) {
2795 dim_offset.width = 5;
2796 dim_offset.header = header_offset_tui;
2797 nodestr = chk_double_cl ? "Double-CL" : "CL";
2798 }
2799
2800 dim_percent_costly_snoop.header = percent_costly_snoop_header[c2c.display];
2801
2802 /* Fix the zero line for dcacheline column. */
2803 buf = fill_line(chk_double_cl ? "Double-Cacheline" : "Cacheline",
2804 dim_dcacheline.width +
2805 dim_dcacheline_node.width +
2806 dim_dcacheline_count.width + 4);
2807 if (!buf)
2808 return -ENOMEM;
2809
2810 dim_dcacheline.header.line[0].text = buf;
2811
2812 /* Fix the zero line for offset column. */
2813 buf = fill_line(nodestr, dim_offset.width +
2814 dim_offset_node.width +
2815 dim_dcacheline_count.width + 4);
2816 if (!buf)
2817 return -ENOMEM;
2818
2819 dim_offset.header.line[0].text = buf;
2820
2821 return 0;
2822}
2823
2824#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
2825
2826const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2827 CALLCHAIN_REPORT_HELP
2828 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2829
2830static int
2831parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2832{
2833 struct callchain_param *callchain = opt->value;
2834
2835 callchain->enabled = !unset;
2836 /*
2837 * --no-call-graph
2838 */
2839 if (unset) {
2840 symbol_conf.use_callchain = false;
2841 callchain->mode = CHAIN_NONE;
2842 return 0;
2843 }
2844
2845 return parse_callchain_report_opt(arg);
2846}
2847
2848static int setup_callchain(struct evlist *evlist)
2849{
2850 u64 sample_type = evlist__combined_sample_type(evlist);
2851 enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2852
2853 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2854 (sample_type & PERF_SAMPLE_STACK_USER)) {
2855 mode = CALLCHAIN_DWARF;
2856 dwarf_callchain_users = true;
2857 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2858 mode = CALLCHAIN_LBR;
2859 else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2860 mode = CALLCHAIN_FP;
2861
2862 if (!callchain_param.enabled &&
2863 callchain_param.mode != CHAIN_NONE &&
2864 mode != CALLCHAIN_NONE) {
2865 symbol_conf.use_callchain = true;
2866 if (callchain_register_param(&callchain_param) < 0) {
2867 ui__error("Can't register callchain params.\n");
2868 return -EINVAL;
2869 }
2870 }
2871
2872 if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
2873 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
2874 "Please apply --call-graph lbr when recording.\n");
2875 c2c.stitch_lbr = false;
2876 }
2877
2878 callchain_param.record_mode = mode;
2879 callchain_param.min_percent = 0;
2880 return 0;
2881}
2882
2883static int setup_display(const char *str)
2884{
2885 const char *display = str;
2886
2887 if (!strcmp(display, "tot"))
2888 c2c.display = DISPLAY_TOT_HITM;
2889 else if (!strcmp(display, "rmt"))
2890 c2c.display = DISPLAY_RMT_HITM;
2891 else if (!strcmp(display, "lcl"))
2892 c2c.display = DISPLAY_LCL_HITM;
2893 else if (!strcmp(display, "peer"))
2894 c2c.display = DISPLAY_SNP_PEER;
2895 else {
2896 pr_err("failed: unknown display type: %s\n", str);
2897 return -1;
2898 }
2899
2900 return 0;
2901}
2902
2903#define for_each_token(__tok, __buf, __sep, __tmp) \
2904 for (__tok = strtok_r(__buf, __sep, &__tmp); __tok; \
2905 __tok = strtok_r(NULL, __sep, &__tmp))
2906
2907static int build_cl_output(char *cl_sort, bool no_source)
2908{
2909 char *tok, *tmp, *buf = strdup(cl_sort);
2910 bool add_pid = false;
2911 bool add_tid = false;
2912 bool add_iaddr = false;
2913 bool add_sym = false;
2914 bool add_dso = false;
2915 bool add_src = false;
2916 int ret = 0;
2917
2918 if (!buf)
2919 return -ENOMEM;
2920
2921 for_each_token(tok, buf, ",", tmp) {
2922 if (!strcmp(tok, "tid")) {
2923 add_tid = true;
2924 } else if (!strcmp(tok, "pid")) {
2925 add_pid = true;
2926 } else if (!strcmp(tok, "iaddr")) {
2927 add_iaddr = true;
2928 add_sym = true;
2929 add_dso = true;
2930 add_src = no_source ? false : true;
2931 } else if (!strcmp(tok, "dso")) {
2932 add_dso = true;
2933 } else if (strcmp(tok, "offset")) {
2934 pr_err("unrecognized sort token: %s\n", tok);
2935 ret = -EINVAL;
2936 goto err;
2937 }
2938 }
2939
2940 if (asprintf(&c2c.cl_output,
2941 "%s%s%s%s%s%s%s%s%s%s%s%s",
2942 c2c.use_stdio ? "cl_num_empty," : "",
2943 c2c.display == DISPLAY_SNP_PEER ? "percent_rmt_peer,"
2944 "percent_lcl_peer," :
2945 "percent_rmt_hitm,"
2946 "percent_lcl_hitm,",
2947 "percent_stores_l1hit,"
2948 "percent_stores_l1miss,"
2949 "percent_stores_na,"
2950 "offset,offset_node,dcacheline_count,",
2951 add_pid ? "pid," : "",
2952 add_tid ? "tid," : "",
2953 add_iaddr ? "iaddr," : "",
2954 c2c.display == DISPLAY_SNP_PEER ? "mean_rmt_peer,"
2955 "mean_lcl_peer," :
2956 "mean_rmt,"
2957 "mean_lcl,",
2958 "mean_load,"
2959 "tot_recs,"
2960 "cpucnt,",
2961 add_sym ? "symbol," : "",
2962 add_dso ? "dso," : "",
2963 add_src ? "cl_srcline," : "",
2964 "node") < 0) {
2965 ret = -ENOMEM;
2966 goto err;
2967 }
2968
2969 c2c.show_src = add_src;
2970err:
2971 free(buf);
2972 return ret;
2973}
2974
2975static int setup_coalesce(const char *coalesce, bool no_source)
2976{
2977 const char *c = coalesce ?: coalesce_default;
2978 const char *sort_str = NULL;
2979
2980 if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2981 return -ENOMEM;
2982
2983 if (build_cl_output(c2c.cl_sort, no_source))
2984 return -1;
2985
2986 if (c2c.display == DISPLAY_TOT_HITM)
2987 sort_str = "tot_hitm";
2988 else if (c2c.display == DISPLAY_RMT_HITM)
2989 sort_str = "rmt_hitm,lcl_hitm";
2990 else if (c2c.display == DISPLAY_LCL_HITM)
2991 sort_str = "lcl_hitm,rmt_hitm";
2992 else if (c2c.display == DISPLAY_SNP_PEER)
2993 sort_str = "tot_peer";
2994
2995 if (asprintf(&c2c.cl_resort, "offset,%s", sort_str) < 0)
2996 return -ENOMEM;
2997
2998 pr_debug("coalesce sort fields: %s\n", c2c.cl_sort);
2999 pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
3000 pr_debug("coalesce output fields: %s\n", c2c.cl_output);
3001 return 0;
3002}
3003
3004static int perf_c2c__report(int argc, const char **argv)
3005{
3006 struct itrace_synth_opts itrace_synth_opts = {
3007 .set = true,
3008 .mem = true, /* Only enable memory event */
3009 .default_no_sample = true,
3010 };
3011
3012 struct perf_session *session;
3013 struct ui_progress prog;
3014 struct perf_data data = {
3015 .mode = PERF_DATA_MODE_READ,
3016 };
3017 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
3018 const char *display = NULL;
3019 const char *coalesce = NULL;
3020 bool no_source = false;
3021 const struct option options[] = {
3022 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3023 "file", "vmlinux pathname"),
3024 OPT_STRING('i', "input", &input_name, "file",
3025 "the input file to process"),
3026 OPT_INCR('N', "node-info", &c2c.node_info,
3027 "show extra node info in report (repeat for more info)"),
3028 OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
3029 OPT_BOOLEAN(0, "stats", &c2c.stats_only,
3030 "Display only statistic tables (implies --stdio)"),
3031 OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
3032 "Display full length of symbols"),
3033 OPT_BOOLEAN(0, "no-source", &no_source,
3034 "Do not display Source Line column"),
3035 OPT_BOOLEAN(0, "show-all", &c2c.show_all,
3036 "Show all captured HITM lines."),
3037 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
3038 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
3039 callchain_help, &parse_callchain_opt,
3040 callchain_default_opt),
3041 OPT_STRING('d', "display", &display, "Switch HITM output type", "tot,lcl,rmt,peer"),
3042 OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
3043 "coalesce fields: pid,tid,iaddr,dso"),
3044 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3045 OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
3046 "Enable LBR callgraph stitching approach"),
3047 OPT_BOOLEAN(0, "double-cl", &chk_double_cl, "Detect adjacent cacheline false sharing"),
3048 OPT_PARENT(c2c_options),
3049 OPT_END()
3050 };
3051 int err = 0;
3052 const char *output_str, *sort_str = NULL;
3053
3054 argc = parse_options(argc, argv, options, report_c2c_usage,
3055 PARSE_OPT_STOP_AT_NON_OPTION);
3056 if (argc)
3057 usage_with_options(report_c2c_usage, options);
3058
3059#ifndef HAVE_SLANG_SUPPORT
3060 c2c.use_stdio = true;
3061#endif
3062
3063 if (c2c.stats_only)
3064 c2c.use_stdio = true;
3065
3066 err = symbol__validate_sym_arguments();
3067 if (err)
3068 goto out;
3069
3070 if (!input_name || !strlen(input_name))
3071 input_name = "perf.data";
3072
3073 data.path = input_name;
3074 data.force = symbol_conf.force;
3075
3076 session = perf_session__new(&data, &c2c.tool);
3077 if (IS_ERR(session)) {
3078 err = PTR_ERR(session);
3079 pr_debug("Error creating perf session\n");
3080 goto out;
3081 }
3082
3083 /*
3084 * Use the 'tot' as default display type if user doesn't specify it;
3085 * since Arm64 platform doesn't support HITMs flag, use 'peer' as the
3086 * default display type.
3087 */
3088 if (!display) {
3089 if (!strcmp(perf_env__arch(&session->header.env), "arm64"))
3090 display = "peer";
3091 else
3092 display = "tot";
3093 }
3094
3095 err = setup_display(display);
3096 if (err)
3097 goto out_session;
3098
3099 err = setup_coalesce(coalesce, no_source);
3100 if (err) {
3101 pr_debug("Failed to initialize hists\n");
3102 goto out_session;
3103 }
3104
3105 err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
3106 if (err) {
3107 pr_debug("Failed to initialize hists\n");
3108 goto out_session;
3109 }
3110
3111 session->itrace_synth_opts = &itrace_synth_opts;
3112
3113 err = setup_nodes(session);
3114 if (err) {
3115 pr_err("Failed setup nodes\n");
3116 goto out_session;
3117 }
3118
3119 err = mem2node__init(&c2c.mem2node, &session->header.env);
3120 if (err)
3121 goto out_session;
3122
3123 err = setup_callchain(session->evlist);
3124 if (err)
3125 goto out_mem2node;
3126
3127 if (symbol__init(&session->header.env) < 0)
3128 goto out_mem2node;
3129
3130 /* No pipe support at the moment. */
3131 if (perf_data__is_pipe(session->data)) {
3132 pr_debug("No pipe support at the moment.\n");
3133 goto out_mem2node;
3134 }
3135
3136 if (c2c.use_stdio)
3137 use_browser = 0;
3138 else
3139 use_browser = 1;
3140
3141 setup_browser(false);
3142
3143 err = perf_session__process_events(session);
3144 if (err) {
3145 pr_err("failed to process sample\n");
3146 goto out_mem2node;
3147 }
3148
3149 if (c2c.display != DISPLAY_SNP_PEER)
3150 output_str = "cl_idx,"
3151 "dcacheline,"
3152 "dcacheline_node,"
3153 "dcacheline_count,"
3154 "percent_costly_snoop,"
3155 "tot_hitm,lcl_hitm,rmt_hitm,"
3156 "tot_recs,"
3157 "tot_loads,"
3158 "tot_stores,"
3159 "stores_l1hit,stores_l1miss,stores_na,"
3160 "ld_fbhit,ld_l1hit,ld_l2hit,"
3161 "ld_lclhit,lcl_hitm,"
3162 "ld_rmthit,rmt_hitm,"
3163 "dram_lcl,dram_rmt";
3164 else
3165 output_str = "cl_idx,"
3166 "dcacheline,"
3167 "dcacheline_node,"
3168 "dcacheline_count,"
3169 "percent_costly_snoop,"
3170 "tot_peer,lcl_peer,rmt_peer,"
3171 "tot_recs,"
3172 "tot_loads,"
3173 "tot_stores,"
3174 "stores_l1hit,stores_l1miss,stores_na,"
3175 "ld_fbhit,ld_l1hit,ld_l2hit,"
3176 "ld_lclhit,lcl_hitm,"
3177 "ld_rmthit,rmt_hitm,"
3178 "dram_lcl,dram_rmt";
3179
3180 if (c2c.display == DISPLAY_TOT_HITM)
3181 sort_str = "tot_hitm";
3182 else if (c2c.display == DISPLAY_RMT_HITM)
3183 sort_str = "rmt_hitm";
3184 else if (c2c.display == DISPLAY_LCL_HITM)
3185 sort_str = "lcl_hitm";
3186 else if (c2c.display == DISPLAY_SNP_PEER)
3187 sort_str = "tot_peer";
3188
3189 c2c_hists__reinit(&c2c.hists, output_str, sort_str);
3190
3191 ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
3192
3193 hists__collapse_resort(&c2c.hists.hists, NULL);
3194 hists__output_resort_cb(&c2c.hists.hists, &prog, resort_shared_cl_cb);
3195 hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
3196
3197 ui_progress__finish();
3198
3199 if (ui_quirks()) {
3200 pr_err("failed to setup UI\n");
3201 goto out_mem2node;
3202 }
3203
3204 perf_c2c_display(session);
3205
3206out_mem2node:
3207 mem2node__exit(&c2c.mem2node);
3208out_session:
3209 perf_session__delete(session);
3210out:
3211 return err;
3212}
3213
3214static int parse_record_events(const struct option *opt,
3215 const char *str, int unset __maybe_unused)
3216{
3217 bool *event_set = (bool *) opt->value;
3218 struct perf_pmu *pmu;
3219
3220 pmu = perf_mem_events_find_pmu();
3221 if (!pmu) {
3222 pr_err("failed: there is no PMU that supports perf c2c\n");
3223 exit(-1);
3224 }
3225
3226 if (!strcmp(str, "list")) {
3227 perf_pmu__mem_events_list(pmu);
3228 exit(0);
3229 }
3230 if (perf_pmu__mem_events_parse(pmu, str))
3231 exit(-1);
3232
3233 *event_set = true;
3234 return 0;
3235}
3236
3237
3238static const char * const __usage_record[] = {
3239 "perf c2c record [<options>] [<command>]",
3240 "perf c2c record [<options>] -- <command> [<options>]",
3241 NULL
3242};
3243
3244static const char * const *record_mem_usage = __usage_record;
3245
3246static int perf_c2c__record(int argc, const char **argv)
3247{
3248 int rec_argc, i = 0, j;
3249 const char **rec_argv;
3250 int ret;
3251 bool all_user = false, all_kernel = false;
3252 bool event_set = false;
3253 struct perf_mem_event *e;
3254 struct perf_pmu *pmu;
3255 struct option options[] = {
3256 OPT_CALLBACK('e', "event", &event_set, "event",
3257 "event selector. Use 'perf c2c record -e list' to list available events",
3258 parse_record_events),
3259 OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
3260 OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
3261 OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
3262 OPT_PARENT(c2c_options),
3263 OPT_END()
3264 };
3265
3266 pmu = perf_mem_events_find_pmu();
3267 if (!pmu) {
3268 pr_err("failed: no PMU supports the memory events\n");
3269 return -1;
3270 }
3271
3272 if (perf_pmu__mem_events_init(pmu)) {
3273 pr_err("failed: memory events not supported\n");
3274 return -1;
3275 }
3276
3277 argc = parse_options(argc, argv, options, record_mem_usage,
3278 PARSE_OPT_KEEP_UNKNOWN);
3279
3280 /* Max number of arguments multiplied by number of PMUs that can support them. */
3281 rec_argc = argc + 11 * (perf_pmu__mem_events_num_mem_pmus(pmu) + 1);
3282
3283 rec_argv = calloc(rec_argc + 1, sizeof(char *));
3284 if (!rec_argv)
3285 return -1;
3286
3287 rec_argv[i++] = "record";
3288
3289 if (!event_set) {
3290 e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD_STORE);
3291 /*
3292 * The load and store operations are required, use the event
3293 * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
3294 */
3295 if (e->tag) {
3296 e->record = true;
3297 rec_argv[i++] = "-W";
3298 } else {
3299 e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD);
3300 e->record = true;
3301
3302 e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__STORE);
3303 e->record = true;
3304 }
3305 }
3306
3307 e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD);
3308 if (e->record)
3309 rec_argv[i++] = "-W";
3310
3311 rec_argv[i++] = "-d";
3312 rec_argv[i++] = "--phys-data";
3313 rec_argv[i++] = "--sample-cpu";
3314
3315 ret = perf_mem_events__record_args(rec_argv, &i);
3316 if (ret)
3317 goto out;
3318
3319 if (all_user)
3320 rec_argv[i++] = "--all-user";
3321
3322 if (all_kernel)
3323 rec_argv[i++] = "--all-kernel";
3324
3325 for (j = 0; j < argc; j++, i++)
3326 rec_argv[i] = argv[j];
3327
3328 if (verbose > 0) {
3329 pr_debug("calling: ");
3330
3331 j = 0;
3332
3333 while (rec_argv[j]) {
3334 pr_debug("%s ", rec_argv[j]);
3335 j++;
3336 }
3337 pr_debug("\n");
3338 }
3339
3340 ret = cmd_record(i, rec_argv);
3341out:
3342 free(rec_argv);
3343 return ret;
3344}
3345
3346int cmd_c2c(int argc, const char **argv)
3347{
3348 argc = parse_options(argc, argv, c2c_options, c2c_usage,
3349 PARSE_OPT_STOP_AT_NON_OPTION);
3350
3351 if (!argc)
3352 usage_with_options(c2c_usage, c2c_options);
3353
3354 if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
3355 return perf_c2c__record(argc, argv);
3356 } else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
3357 return perf_c2c__report(argc, argv);
3358 } else {
3359 usage_with_options(c2c_usage, c2c_options);
3360 }
3361
3362 return 0;
3363}
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
46struct c2c_hists {
47 struct hists hists;
48 struct perf_hpp_list list;
49 struct c2c_stats stats;
50};
51
52struct compute_stats {
53 struct stats lcl_hitm;
54 struct stats rmt_hitm;
55 struct stats load;
56};
57
58struct 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
80static char const *coalesce_default = "iaddr";
81
82struct 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
112enum {
113 DISPLAY_LCL,
114 DISPLAY_RMT,
115 DISPLAY_TOT,
116 DISPLAY_MAX,
117};
118
119static const char *display_str[DISPLAY_MAX] = {
120 [DISPLAY_LCL] = "Local",
121 [DISPLAY_RMT] = "Remote",
122 [DISPLAY_TOT] = "Total",
123};
124
125static const struct option c2c_options[] = {
126 OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
127 OPT_END()
128};
129
130static struct perf_c2c c2c;
131
132static 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
159static 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
176static struct hist_entry_ops c2c_entry_ops = {
177 .new = c2c_he_zalloc,
178 .free = c2c_he_free,
179};
180
181static int c2c_hists__init(struct c2c_hists *hists,
182 const char *sort,
183 int nr_header_lines);
184
185static struct c2c_hists*
186he__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
211static 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
221static 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
243static 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
257static 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
352out:
353 addr_location__put(&al);
354 return ret;
355
356free_mi:
357 mem_info__put(mi_dup);
358 mem_info__put(mi);
359 ret = -ENOMEM;
360 goto out;
361}
362
363static 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
377static const char * const c2c_usage[] = {
378 "perf c2c {record|report}",
379 NULL
380};
381
382static const char * const __usage_report[] = {
383 "perf c2c report",
384 NULL
385};
386
387static const char * const *report_c2c_usage = __usage_report;
388
389#define C2C_HEADER_MAX 2
390
391struct c2c_header {
392 struct {
393 const char *text;
394 int span;
395 } line[C2C_HEADER_MAX];
396};
397
398struct 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
412struct c2c_fmt {
413 struct perf_hpp_fmt fmt;
414 struct c2c_dimension *dim;
415};
416
417#define SYMBOL_WIDTH 30
418
419static struct c2c_dimension dim_symbol;
420static struct c2c_dimension dim_srcline;
421
422static 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
432static 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
449static 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
489static int64_t
490dcacheline_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
496static 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
509static int
510dcacheline_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
523static int
524dcacheline_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
534static 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
547static int64_t
548offset_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
561static int
562iaddr_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
575static int64_t
576iaddr_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
582static int
583tot_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
596static int64_t
597tot_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) \
615static 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) \
628static 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
644STAT_FN(rmt_hitm)
645STAT_FN(lcl_hitm)
646STAT_FN(store)
647STAT_FN(st_l1hit)
648STAT_FN(st_l1miss)
649STAT_FN(ld_fbhit)
650STAT_FN(ld_l1hit)
651STAT_FN(ld_l2hit)
652STAT_FN(ld_llchit)
653STAT_FN(rmt_hit)
654
655static 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
667static int
668ld_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
680static int64_t
681ld_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
694static 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
717static int
718tot_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
731static int64_t
732tot_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
749static 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
768static int
769tot_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
782static int64_t
783tot_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
800typedef double (get_percent_cb)(struct c2c_hist_entry *);
801
802static int
803percent_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
820static 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
859static int
860percent_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
873static int
874percent_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
880static int64_t
881percent_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
898static 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
906static 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
914static 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) \
922static 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
930PERCENT_FN(rmt_hitm)
931PERCENT_FN(lcl_hitm)
932PERCENT_FN(st_l1hit)
933PERCENT_FN(st_l1miss)
934
935static int
936percent_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
946static int
947percent_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
953static int64_t
954percent_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
966static int
967percent_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
977static int
978percent_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
984static int64_t
985percent_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
997static int
998percent_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
1008static int
1009percent_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
1015static int64_t
1016percent_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
1028static int
1029percent_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
1039static int
1040percent_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
1046static int64_t
1047percent_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
1059STAT_FN(lcl_dram)
1060STAT_FN(rmt_dram)
1061
1062static int
1063pid_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
1071static int64_t
1072pid_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
1078static int64_t
1079empty_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
1086static int
1087node_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
1184static int
1185mean_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) \
1196static 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
1204MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
1205MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
1206MEAN_ENTRY(mean_load_entry, load);
1207
1208static int
1209cpucnt_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
1222static int
1223cl_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
1236static int
1237cl_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
1280static 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
1288static 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
1296static 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
1304static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1305
1306static 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
1314static 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
1322static 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
1330static 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
1338static 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
1346static 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
1354static 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
1362static 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
1370static 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
1378static 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
1386static 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
1394static 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
1402static 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
1410static 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
1418static 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
1426static 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
1434static 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
1442static 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
1450static 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
1458static 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
1466static 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
1474static 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
1480static 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
1488static 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
1497static 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
1506static 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
1515static 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
1524static 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
1532static 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
1540static 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
1548static struct c2c_dimension dim_tid = {
1549 .header = HEADER_LOW("Tid"),
1550 .name = "tid",
1551 .se = &sort_thread,
1552};
1553
1554static struct c2c_dimension dim_symbol = {
1555 .name = "symbol",
1556 .se = &sort_sym,
1557};
1558
1559static struct c2c_dimension dim_dso = {
1560 .header = HEADER_BOTH("Shared", "Object"),
1561 .name = "dso",
1562 .se = &sort_dso,
1563};
1564
1565static 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
1571static struct c2c_dimension dim_node = {
1572 .name = "node",
1573 .cmp = empty_cmp,
1574 .entry = node_entry,
1575 .width = 4,
1576};
1577
1578static 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
1586static 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
1594static 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
1602static 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
1610static struct c2c_dimension dim_srcline = {
1611 .name = "cl_srcline",
1612 .se = &sort_srcline,
1613};
1614
1615static 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
1623static 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
1631static 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
1639static 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
1687static 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
1695static 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
1703static 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
1717static 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
1734static 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
1743static 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
1754static 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
1786static 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
1799static 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
1838static 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
1869static 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
1888static 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
1898static 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
1935static 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
1947static 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
1958static 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
1978static 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
1987static 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
2004static 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
2028static void setup_nodes_header(void)
2029{
2030 dim_node.header = header_node[c2c.node_info];
2031}
2032
2033static 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
2095static 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
2108static 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
2126static 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
2171static 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
2191static 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
2218static 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
2251static 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
2270static 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
2301static 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
2318struct c2c_cacheline_browser {
2319 struct hist_browser hb;
2320 struct hist_entry *he;
2321};
2322
2323static int
2324perf_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
2341static struct c2c_cacheline_browser*
2342c2c_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
2357static 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
2412out:
2413 free(cl_browser);
2414 return 0;
2415}
2416
2417static 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
2428static struct hist_browser*
2429perf_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
2441static 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
2477out:
2478 hist_browser__delete(browser);
2479 return 0;
2480}
2481
2482static 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
2490static 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
2497static 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
2525static 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
2561const 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
2565static int
2566parse_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
2583static 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
2618static 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
2640static 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;
2698err:
2699 free(buf);
2700 return ret;
2701}
2702
2703static 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
2727static 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
2877out_mem2node:
2878 mem2node__exit(&c2c.mem2node);
2879out_session:
2880 perf_session__delete(session);
2881out:
2882 return err;
2883}
2884
2885static 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
2902static const char * const __usage_record[] = {
2903 "perf c2c record [<options>] [<command>]",
2904 "perf c2c record [<options>] -- <command> [<options>]",
2905 NULL
2906};
2907
2908static const char * const *record_mem_usage = __usage_record;
2909
2910static 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
2996int 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}