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-rw-r--r--tools/perf/builtin-record.c44
-rw-r--r--tools/perf/builtin-stat.c45
-rw-r--r--tools/perf/builtin-test.c6
-rw-r--r--tools/perf/builtin-top.c47
-rwxr-xr-xtools/perf/python/twatch.py4
-rw-r--r--tools/perf/util/evlist.c67
-rw-r--r--tools/perf/util/evlist.h29
-rw-r--r--tools/perf/util/python.c25
8 files changed, 148 insertions, 119 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index edc3555098c..07f8d6d852c 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -42,7 +42,6 @@ static u64 user_interval = ULLONG_MAX;
42static u64 default_interval = 0; 42static u64 default_interval = 0;
43static u64 sample_type; 43static u64 sample_type;
44 44
45static struct cpu_map *cpus;
46static unsigned int page_size; 45static unsigned int page_size;
47static unsigned int mmap_pages = 128; 46static unsigned int mmap_pages = 128;
48static unsigned int user_freq = UINT_MAX; 47static unsigned int user_freq = UINT_MAX;
@@ -58,7 +57,6 @@ static bool sample_id_all_avail = true;
58static bool system_wide = false; 57static bool system_wide = false;
59static pid_t target_pid = -1; 58static pid_t target_pid = -1;
60static pid_t target_tid = -1; 59static pid_t target_tid = -1;
61static struct thread_map *threads;
62static pid_t child_pid = -1; 60static pid_t child_pid = -1;
63static bool no_inherit = false; 61static bool no_inherit = false;
64static enum write_mode_t write_mode = WRITE_FORCE; 62static enum write_mode_t write_mode = WRITE_FORCE;
@@ -189,7 +187,7 @@ static void create_counter(struct perf_evsel *evsel, int cpu)
189 int thread_index; 187 int thread_index;
190 int ret; 188 int ret;
191 189
192 for (thread_index = 0; thread_index < threads->nr; thread_index++) { 190 for (thread_index = 0; thread_index < evsel_list->threads->nr; thread_index++) {
193 h_attr = get_header_attr(attr, evsel->idx); 191 h_attr = get_header_attr(attr, evsel->idx);
194 if (h_attr == NULL) 192 if (h_attr == NULL)
195 die("nomem\n"); 193 die("nomem\n");
@@ -317,7 +315,8 @@ static void open_counters(struct perf_evlist *evlist)
317retry_sample_id: 315retry_sample_id:
318 attr->sample_id_all = sample_id_all_avail ? 1 : 0; 316 attr->sample_id_all = sample_id_all_avail ? 1 : 0;
319try_again: 317try_again:
320 if (perf_evsel__open(pos, cpus, threads, group, !no_inherit) < 0) { 318 if (perf_evsel__open(pos, evlist->cpus, evlist->threads, group,
319 !no_inherit) < 0) {
321 int err = errno; 320 int err = errno;
322 321
323 if (err == EPERM || err == EACCES) 322 if (err == EPERM || err == EACCES)
@@ -368,10 +367,10 @@ try_again:
368 } 367 }
369 } 368 }
370 369
371 if (perf_evlist__mmap(evlist, cpus, threads, mmap_pages, false) < 0) 370 if (perf_evlist__mmap(evlist, mmap_pages, false) < 0)
372 die("failed to mmap with %d (%s)\n", errno, strerror(errno)); 371 die("failed to mmap with %d (%s)\n", errno, strerror(errno));
373 372
374 for (cpu = 0; cpu < cpus->nr; ++cpu) { 373 for (cpu = 0; cpu < evsel_list->cpus->nr; ++cpu) {
375 list_for_each_entry(pos, &evlist->entries, node) 374 list_for_each_entry(pos, &evlist->entries, node)
376 create_counter(pos, cpu); 375 create_counter(pos, cpu);
377 } 376 }
@@ -450,7 +449,7 @@ static void mmap_read_all(void)
450{ 449{
451 int i; 450 int i;
452 451
453 for (i = 0; i < cpus->nr; i++) { 452 for (i = 0; i < evsel_list->cpus->nr; i++) {
454 if (evsel_list->mmap[i].base) 453 if (evsel_list->mmap[i].base)
455 mmap_read(&evsel_list->mmap[i]); 454 mmap_read(&evsel_list->mmap[i]);
456 } 455 }
@@ -584,7 +583,7 @@ static int __cmd_record(int argc, const char **argv)
584 } 583 }
585 584
586 if (!system_wide && target_tid == -1 && target_pid == -1) 585 if (!system_wide && target_tid == -1 && target_pid == -1)
587 threads->map[0] = child_pid; 586 evsel_list->threads->map[0] = child_pid;
588 587
589 close(child_ready_pipe[1]); 588 close(child_ready_pipe[1]);
590 close(go_pipe[0]); 589 close(go_pipe[0]);
@@ -718,12 +717,12 @@ static int __cmd_record(int argc, const char **argv)
718 } 717 }
719 718
720 if (done) { 719 if (done) {
721 for (i = 0; i < cpus->nr; i++) { 720 for (i = 0; i < evsel_list->cpus->nr; i++) {
722 struct perf_evsel *pos; 721 struct perf_evsel *pos;
723 722
724 list_for_each_entry(pos, &evsel_list->entries, node) { 723 list_for_each_entry(pos, &evsel_list->entries, node) {
725 for (thread = 0; 724 for (thread = 0;
726 thread < threads->nr; 725 thread < evsel_list->threads->nr;
727 thread++) 726 thread++)
728 ioctl(FD(pos, i, thread), 727 ioctl(FD(pos, i, thread),
729 PERF_EVENT_IOC_DISABLE); 728 PERF_EVENT_IOC_DISABLE);
@@ -816,7 +815,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
816 int err = -ENOMEM; 815 int err = -ENOMEM;
817 struct perf_evsel *pos; 816 struct perf_evsel *pos;
818 817
819 evsel_list = perf_evlist__new(); 818 evsel_list = perf_evlist__new(NULL, NULL);
820 if (evsel_list == NULL) 819 if (evsel_list == NULL)
821 return -ENOMEM; 820 return -ENOMEM;
822 821
@@ -850,28 +849,19 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
850 if (target_pid != -1) 849 if (target_pid != -1)
851 target_tid = target_pid; 850 target_tid = target_pid;
852 851
853 threads = thread_map__new(target_pid, target_tid); 852 if (perf_evlist__create_maps(evsel_list, target_pid,
854 if (threads == NULL) { 853 target_tid, cpu_list) < 0)
855 pr_err("Problems finding threads of monitor\n");
856 usage_with_options(record_usage, record_options);
857 }
858
859 if (target_tid != -1)
860 cpus = cpu_map__dummy_new();
861 else
862 cpus = cpu_map__new(cpu_list);
863
864 if (cpus == NULL)
865 usage_with_options(record_usage, record_options); 854 usage_with_options(record_usage, record_options);
866 855
867 list_for_each_entry(pos, &evsel_list->entries, node) { 856 list_for_each_entry(pos, &evsel_list->entries, node) {
868 if (perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0) 857 if (perf_evsel__alloc_fd(pos, evsel_list->cpus->nr,
858 evsel_list->threads->nr) < 0)
869 goto out_free_fd; 859 goto out_free_fd;
870 if (perf_header__push_event(pos->attr.config, event_name(pos))) 860 if (perf_header__push_event(pos->attr.config, event_name(pos)))
871 goto out_free_fd; 861 goto out_free_fd;
872 } 862 }
873 863
874 if (perf_evlist__alloc_pollfd(evsel_list, cpus->nr, threads->nr) < 0) 864 if (perf_evlist__alloc_pollfd(evsel_list) < 0)
875 goto out_free_fd; 865 goto out_free_fd;
876 866
877 if (user_interval != ULLONG_MAX) 867 if (user_interval != ULLONG_MAX)
@@ -893,10 +883,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
893 } 883 }
894 884
895 err = __cmd_record(argc, argv); 885 err = __cmd_record(argc, argv);
896
897out_free_fd: 886out_free_fd:
898 thread_map__delete(threads); 887 perf_evlist__delete_maps(evsel_list);
899 threads = NULL;
900out_symbol_exit: 888out_symbol_exit:
901 symbol__exit(); 889 symbol__exit();
902 return err; 890 return err;
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 8906adfdbd8..e0f95755361 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -76,7 +76,6 @@ static struct perf_event_attr default_attrs[] = {
76struct perf_evlist *evsel_list; 76struct perf_evlist *evsel_list;
77 77
78static bool system_wide = false; 78static bool system_wide = false;
79static struct cpu_map *cpus;
80static int run_idx = 0; 79static int run_idx = 0;
81 80
82static int run_count = 1; 81static int run_count = 1;
@@ -85,7 +84,6 @@ static bool scale = true;
85static bool no_aggr = false; 84static bool no_aggr = false;
86static pid_t target_pid = -1; 85static pid_t target_pid = -1;
87static pid_t target_tid = -1; 86static pid_t target_tid = -1;
88static struct thread_map *threads;
89static pid_t child_pid = -1; 87static pid_t child_pid = -1;
90static bool null_run = false; 88static bool null_run = false;
91static bool big_num = true; 89static bool big_num = true;
@@ -170,7 +168,7 @@ static int create_perf_stat_counter(struct perf_evsel *evsel)
170 PERF_FORMAT_TOTAL_TIME_RUNNING; 168 PERF_FORMAT_TOTAL_TIME_RUNNING;
171 169
172 if (system_wide) 170 if (system_wide)
173 return perf_evsel__open_per_cpu(evsel, cpus, false, false); 171 return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, false, false);
174 172
175 attr->inherit = !no_inherit; 173 attr->inherit = !no_inherit;
176 if (target_pid == -1 && target_tid == -1) { 174 if (target_pid == -1 && target_tid == -1) {
@@ -178,7 +176,7 @@ static int create_perf_stat_counter(struct perf_evsel *evsel)
178 attr->enable_on_exec = 1; 176 attr->enable_on_exec = 1;
179 } 177 }
180 178
181 return perf_evsel__open_per_thread(evsel, threads, false, false); 179 return perf_evsel__open_per_thread(evsel, evsel_list->threads, false, false);
182} 180}
183 181
184/* 182/*
@@ -203,7 +201,8 @@ static int read_counter_aggr(struct perf_evsel *counter)
203 u64 *count = counter->counts->aggr.values; 201 u64 *count = counter->counts->aggr.values;
204 int i; 202 int i;
205 203
206 if (__perf_evsel__read(counter, cpus->nr, threads->nr, scale) < 0) 204 if (__perf_evsel__read(counter, evsel_list->cpus->nr,
205 evsel_list->threads->nr, scale) < 0)
207 return -1; 206 return -1;
208 207
209 for (i = 0; i < 3; i++) 208 for (i = 0; i < 3; i++)
@@ -236,7 +235,7 @@ static int read_counter(struct perf_evsel *counter)
236 u64 *count; 235 u64 *count;
237 int cpu; 236 int cpu;
238 237
239 for (cpu = 0; cpu < cpus->nr; cpu++) { 238 for (cpu = 0; cpu < evsel_list->cpus->nr; cpu++) {
240 if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0) 239 if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0)
241 return -1; 240 return -1;
242 241
@@ -301,7 +300,7 @@ static int run_perf_stat(int argc __used, const char **argv)
301 } 300 }
302 301
303 if (target_tid == -1 && target_pid == -1 && !system_wide) 302 if (target_tid == -1 && target_pid == -1 && !system_wide)
304 threads->map[0] = child_pid; 303 evsel_list->threads->map[0] = child_pid;
305 304
306 /* 305 /*
307 * Wait for the child to be ready to exec. 306 * Wait for the child to be ready to exec.
@@ -353,12 +352,13 @@ static int run_perf_stat(int argc __used, const char **argv)
353 if (no_aggr) { 352 if (no_aggr) {
354 list_for_each_entry(counter, &evsel_list->entries, node) { 353 list_for_each_entry(counter, &evsel_list->entries, node) {
355 read_counter(counter); 354 read_counter(counter);
356 perf_evsel__close_fd(counter, cpus->nr, 1); 355 perf_evsel__close_fd(counter, evsel_list->cpus->nr, 1);
357 } 356 }
358 } else { 357 } else {
359 list_for_each_entry(counter, &evsel_list->entries, node) { 358 list_for_each_entry(counter, &evsel_list->entries, node) {
360 read_counter_aggr(counter); 359 read_counter_aggr(counter);
361 perf_evsel__close_fd(counter, cpus->nr, threads->nr); 360 perf_evsel__close_fd(counter, evsel_list->cpus->nr,
361 evsel_list->threads->nr);
362 } 362 }
363 } 363 }
364 364
@@ -386,7 +386,7 @@ static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg)
386 if (no_aggr) 386 if (no_aggr)
387 sprintf(cpustr, "CPU%*d%s", 387 sprintf(cpustr, "CPU%*d%s",
388 csv_output ? 0 : -4, 388 csv_output ? 0 : -4,
389 cpus->map[cpu], csv_sep); 389 evsel_list->cpus->map[cpu], csv_sep);
390 390
391 fprintf(stderr, fmt, cpustr, msecs, csv_sep, event_name(evsel)); 391 fprintf(stderr, fmt, cpustr, msecs, csv_sep, event_name(evsel));
392 392
@@ -414,7 +414,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
414 if (no_aggr) 414 if (no_aggr)
415 sprintf(cpustr, "CPU%*d%s", 415 sprintf(cpustr, "CPU%*d%s",
416 csv_output ? 0 : -4, 416 csv_output ? 0 : -4,
417 cpus->map[cpu], csv_sep); 417 evsel_list->cpus->map[cpu], csv_sep);
418 else 418 else
419 cpu = 0; 419 cpu = 0;
420 420
@@ -500,14 +500,14 @@ static void print_counter(struct perf_evsel *counter)
500 u64 ena, run, val; 500 u64 ena, run, val;
501 int cpu; 501 int cpu;
502 502
503 for (cpu = 0; cpu < cpus->nr; cpu++) { 503 for (cpu = 0; cpu < evsel_list->cpus->nr; cpu++) {
504 val = counter->counts->cpu[cpu].val; 504 val = counter->counts->cpu[cpu].val;
505 ena = counter->counts->cpu[cpu].ena; 505 ena = counter->counts->cpu[cpu].ena;
506 run = counter->counts->cpu[cpu].run; 506 run = counter->counts->cpu[cpu].run;
507 if (run == 0 || ena == 0) { 507 if (run == 0 || ena == 0) {
508 fprintf(stderr, "CPU%*d%s%*s%s%-24s", 508 fprintf(stderr, "CPU%*d%s%*s%s%-24s",
509 csv_output ? 0 : -4, 509 csv_output ? 0 : -4,
510 cpus->map[cpu], csv_sep, 510 evsel_list->cpus->map[cpu], csv_sep,
511 csv_output ? 0 : 18, 511 csv_output ? 0 : 18,
512 "<not counted>", csv_sep, 512 "<not counted>", csv_sep,
513 event_name(counter)); 513 event_name(counter));
@@ -652,7 +652,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
652 652
653 setlocale(LC_ALL, ""); 653 setlocale(LC_ALL, "");
654 654
655 evsel_list = perf_evlist__new(); 655 evsel_list = perf_evlist__new(NULL, NULL);
656 if (evsel_list == NULL) 656 if (evsel_list == NULL)
657 return -ENOMEM; 657 return -ENOMEM;
658 658
@@ -701,18 +701,18 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
701 if (target_pid != -1) 701 if (target_pid != -1)
702 target_tid = target_pid; 702 target_tid = target_pid;
703 703
704 threads = thread_map__new(target_pid, target_tid); 704 evsel_list->threads = thread_map__new(target_pid, target_tid);
705 if (threads == NULL) { 705 if (evsel_list->threads == NULL) {
706 pr_err("Problems finding threads of monitor\n"); 706 pr_err("Problems finding threads of monitor\n");
707 usage_with_options(stat_usage, options); 707 usage_with_options(stat_usage, options);
708 } 708 }
709 709
710 if (system_wide) 710 if (system_wide)
711 cpus = cpu_map__new(cpu_list); 711 evsel_list->cpus = cpu_map__new(cpu_list);
712 else 712 else
713 cpus = cpu_map__dummy_new(); 713 evsel_list->cpus = cpu_map__dummy_new();
714 714
715 if (cpus == NULL) { 715 if (evsel_list->cpus == NULL) {
716 perror("failed to parse CPUs map"); 716 perror("failed to parse CPUs map");
717 usage_with_options(stat_usage, options); 717 usage_with_options(stat_usage, options);
718 return -1; 718 return -1;
@@ -720,8 +720,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
720 720
721 list_for_each_entry(pos, &evsel_list->entries, node) { 721 list_for_each_entry(pos, &evsel_list->entries, node) {
722 if (perf_evsel__alloc_stat_priv(pos) < 0 || 722 if (perf_evsel__alloc_stat_priv(pos) < 0 ||
723 perf_evsel__alloc_counts(pos, cpus->nr) < 0 || 723 perf_evsel__alloc_counts(pos, evsel_list->cpus->nr) < 0 ||
724 perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0) 724 perf_evsel__alloc_fd(pos, evsel_list->cpus->nr, evsel_list->threads->nr) < 0)
725 goto out_free_fd; 725 goto out_free_fd;
726 } 726 }
727 727
@@ -750,7 +750,6 @@ out_free_fd:
750 perf_evsel__free_stat_priv(pos); 750 perf_evsel__free_stat_priv(pos);
751 perf_evlist__delete(evsel_list); 751 perf_evlist__delete(evsel_list);
752out: 752out:
753 thread_map__delete(threads); 753 perf_evlist__delete_maps(evsel_list);
754 threads = NULL;
755 return status; 754 return status;
756} 755}
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 845b9bd54ed..1b2106c58f6 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -509,7 +509,7 @@ static int test__basic_mmap(void)
509 goto out_free_cpus; 509 goto out_free_cpus;
510 } 510 }
511 511
512 evlist = perf_evlist__new(); 512 evlist = perf_evlist__new(cpus, threads);
513 if (evlist == NULL) { 513 if (evlist == NULL) {
514 pr_debug("perf_evlist__new\n"); 514 pr_debug("perf_evlist__new\n");
515 goto out_free_cpus; 515 goto out_free_cpus;
@@ -537,7 +537,7 @@ static int test__basic_mmap(void)
537 } 537 }
538 } 538 }
539 539
540 if (perf_evlist__mmap(evlist, cpus, threads, 128, true) < 0) { 540 if (perf_evlist__mmap(evlist, 128, true) < 0) {
541 pr_debug("failed to mmap events: %d (%s)\n", errno, 541 pr_debug("failed to mmap events: %d (%s)\n", errno,
542 strerror(errno)); 542 strerror(errno));
543 goto out_close_fd; 543 goto out_close_fd;
@@ -579,7 +579,7 @@ static int test__basic_mmap(void)
579 579
580 err = 0; 580 err = 0;
581out_munmap: 581out_munmap:
582 perf_evlist__munmap(evlist, 1); 582 perf_evlist__munmap(evlist);
583out_close_fd: 583out_close_fd:
584 for (i = 0; i < nsyscalls; ++i) 584 for (i = 0; i < nsyscalls; ++i)
585 perf_evsel__close_fd(evsels[i], 1, threads->nr); 585 perf_evsel__close_fd(evsels[i], 1, threads->nr);
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 2f4d1f244be..599036b0673 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -73,9 +73,7 @@ static int print_entries;
73 73
74static int target_pid = -1; 74static int target_pid = -1;
75static int target_tid = -1; 75static int target_tid = -1;
76static struct thread_map *threads;
77static bool inherit = false; 76static bool inherit = false;
78static struct cpu_map *cpus;
79static int realtime_prio = 0; 77static int realtime_prio = 0;
80static bool group = false; 78static bool group = false;
81static unsigned int page_size; 79static unsigned int page_size;
@@ -567,12 +565,13 @@ static void print_sym_table(struct perf_session *session)
567 printf(" (all"); 565 printf(" (all");
568 566
569 if (cpu_list) 567 if (cpu_list)
570 printf(", CPU%s: %s)\n", cpus->nr > 1 ? "s" : "", cpu_list); 568 printf(", CPU%s: %s)\n", evsel_list->cpus->nr > 1 ? "s" : "", cpu_list);
571 else { 569 else {
572 if (target_tid != -1) 570 if (target_tid != -1)
573 printf(")\n"); 571 printf(")\n");
574 else 572 else
575 printf(", %d CPU%s)\n", cpus->nr, cpus->nr > 1 ? "s" : ""); 573 printf(", %d CPU%s)\n", evsel_list->cpus->nr,
574 evsel_list->cpus->nr > 1 ? "s" : "");
576 } 575 }
577 576
578 printf("%-*.*s\n", win_width, win_width, graph_dotted_line); 577 printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
@@ -1124,7 +1123,7 @@ static void perf_session__mmap_read(struct perf_session *self)
1124{ 1123{
1125 int i; 1124 int i;
1126 1125
1127 for (i = 0; i < cpus->nr; i++) 1126 for (i = 0; i < evsel_list->cpus->nr; i++)
1128 perf_session__mmap_read_cpu(self, i); 1127 perf_session__mmap_read_cpu(self, i);
1129} 1128}
1130 1129
@@ -1150,7 +1149,8 @@ static void start_counters(struct perf_evlist *evlist)
1150 1149
1151 attr->mmap = 1; 1150 attr->mmap = 1;
1152try_again: 1151try_again:
1153 if (perf_evsel__open(counter, cpus, threads, group, inherit) < 0) { 1152 if (perf_evsel__open(counter, evsel_list->cpus,
1153 evsel_list->threads, group, inherit) < 0) {
1154 int err = errno; 1154 int err = errno;
1155 1155
1156 if (err == EPERM || err == EACCES) 1156 if (err == EPERM || err == EACCES)
@@ -1181,7 +1181,7 @@ try_again:
1181 } 1181 }
1182 } 1182 }
1183 1183
1184 if (perf_evlist__mmap(evlist, cpus, threads, mmap_pages, false) < 0) 1184 if (perf_evlist__mmap(evlist, mmap_pages, false) < 0)
1185 die("failed to mmap with %d (%s)\n", errno, strerror(errno)); 1185 die("failed to mmap with %d (%s)\n", errno, strerror(errno));
1186} 1186}
1187 1187
@@ -1296,7 +1296,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1296 struct perf_evsel *pos; 1296 struct perf_evsel *pos;
1297 int status = -ENOMEM; 1297 int status = -ENOMEM;
1298 1298
1299 evsel_list = perf_evlist__new(); 1299 evsel_list = perf_evlist__new(NULL, NULL);
1300 if (evsel_list == NULL) 1300 if (evsel_list == NULL)
1301 return -ENOMEM; 1301 return -ENOMEM;
1302 1302
@@ -1306,15 +1306,6 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1306 if (argc) 1306 if (argc)
1307 usage_with_options(top_usage, options); 1307 usage_with_options(top_usage, options);
1308 1308
1309 if (target_pid != -1)
1310 target_tid = target_pid;
1311
1312 threads = thread_map__new(target_pid, target_tid);
1313 if (threads == NULL) {
1314 pr_err("Problems finding threads of monitor\n");
1315 usage_with_options(top_usage, options);
1316 }
1317
1318 /* CPU and PID are mutually exclusive */ 1309 /* CPU and PID are mutually exclusive */
1319 if (target_tid > 0 && cpu_list) { 1310 if (target_tid > 0 && cpu_list) {
1320 printf("WARNING: PID switch overriding CPU\n"); 1311 printf("WARNING: PID switch overriding CPU\n");
@@ -1322,6 +1313,13 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1322 cpu_list = NULL; 1313 cpu_list = NULL;
1323 } 1314 }
1324 1315
1316 if (target_pid != -1)
1317 target_tid = target_pid;
1318
1319 if (perf_evlist__create_maps(evsel_list, target_pid,
1320 target_tid, cpu_list) < 0)
1321 usage_with_options(top_usage, options);
1322
1325 if (!evsel_list->nr_entries && 1323 if (!evsel_list->nr_entries &&
1326 perf_evlist__add_default(evsel_list) < 0) { 1324 perf_evlist__add_default(evsel_list) < 0) {
1327 pr_err("Not enough memory for event selector list\n"); 1325 pr_err("Not enough memory for event selector list\n");
@@ -1343,16 +1341,9 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1343 exit(EXIT_FAILURE); 1341 exit(EXIT_FAILURE);
1344 } 1342 }
1345 1343
1346 if (target_tid != -1)
1347 cpus = cpu_map__dummy_new();
1348 else
1349 cpus = cpu_map__new(cpu_list);
1350
1351 if (cpus == NULL)
1352 usage_with_options(top_usage, options);
1353
1354 list_for_each_entry(pos, &evsel_list->entries, node) { 1344 list_for_each_entry(pos, &evsel_list->entries, node) {
1355 if (perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0) 1345 if (perf_evsel__alloc_fd(pos, evsel_list->cpus->nr,
1346 evsel_list->threads->nr) < 0)
1356 goto out_free_fd; 1347 goto out_free_fd;
1357 /* 1348 /*
1358 * Fill in the ones not specifically initialized via -c: 1349 * Fill in the ones not specifically initialized via -c:
@@ -1363,8 +1354,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1363 pos->attr.sample_period = default_interval; 1354 pos->attr.sample_period = default_interval;
1364 } 1355 }
1365 1356
1366 if (perf_evlist__alloc_pollfd(evsel_list, cpus->nr, threads->nr) < 0 || 1357 if (perf_evlist__alloc_pollfd(evsel_list) < 0 ||
1367 perf_evlist__alloc_mmap(evsel_list, cpus->nr) < 0) 1358 perf_evlist__alloc_mmap(evsel_list) < 0)
1368 goto out_free_fd; 1359 goto out_free_fd;
1369 1360
1370 sym_evsel = list_entry(evsel_list->entries.next, struct perf_evsel, node); 1361 sym_evsel = list_entry(evsel_list->entries.next, struct perf_evsel, node);
diff --git a/tools/perf/python/twatch.py b/tools/perf/python/twatch.py
index 5e9f3b7b7ee..df638c438a9 100755
--- a/tools/perf/python/twatch.py
+++ b/tools/perf/python/twatch.py
@@ -23,9 +23,9 @@ def main():
23 sample_id_all = 1, 23 sample_id_all = 1,
24 sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_TID) 24 sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_TID)
25 evsel.open(cpus = cpus, threads = threads); 25 evsel.open(cpus = cpus, threads = threads);
26 evlist = perf.evlist() 26 evlist = perf.evlist(cpus, threads)
27 evlist.add(evsel) 27 evlist.add(evsel)
28 evlist.mmap(cpus = cpus, threads = threads) 28 evlist.mmap()
29 while True: 29 while True:
30 evlist.poll(timeout = -1) 30 evlist.poll(timeout = -1)
31 for cpu in cpus: 31 for cpu in cpus:
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index dcd59328bb4..95b21fece2c 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -21,21 +21,24 @@
21#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 21#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
22#define SID(e, x, y) xyarray__entry(e->id, x, y) 22#define SID(e, x, y) xyarray__entry(e->id, x, y)
23 23
24void perf_evlist__init(struct perf_evlist *evlist) 24void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
25 struct thread_map *threads)
25{ 26{
26 int i; 27 int i;
27 28
28 for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i) 29 for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i)
29 INIT_HLIST_HEAD(&evlist->heads[i]); 30 INIT_HLIST_HEAD(&evlist->heads[i]);
30 INIT_LIST_HEAD(&evlist->entries); 31 INIT_LIST_HEAD(&evlist->entries);
32 perf_evlist__set_maps(evlist, cpus, threads);
31} 33}
32 34
33struct perf_evlist *perf_evlist__new(void) 35struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
36 struct thread_map *threads)
34{ 37{
35 struct perf_evlist *evlist = zalloc(sizeof(*evlist)); 38 struct perf_evlist *evlist = zalloc(sizeof(*evlist));
36 39
37 if (evlist != NULL) 40 if (evlist != NULL)
38 perf_evlist__init(evlist); 41 perf_evlist__init(evlist, cpus, threads);
39 42
40 return evlist; 43 return evlist;
41} 44}
@@ -88,9 +91,9 @@ int perf_evlist__add_default(struct perf_evlist *evlist)
88 return 0; 91 return 0;
89} 92}
90 93
91int perf_evlist__alloc_pollfd(struct perf_evlist *evlist, int ncpus, int nthreads) 94int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
92{ 95{
93 int nfds = ncpus * nthreads * evlist->nr_entries; 96 int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries;
94 evlist->pollfd = malloc(sizeof(struct pollfd) * nfds); 97 evlist->pollfd = malloc(sizeof(struct pollfd) * nfds);
95 return evlist->pollfd != NULL ? 0 : -ENOMEM; 98 return evlist->pollfd != NULL ? 0 : -ENOMEM;
96} 99}
@@ -213,11 +216,11 @@ union perf_event *perf_evlist__read_on_cpu(struct perf_evlist *evlist, int cpu)
213 return event; 216 return event;
214} 217}
215 218
216void perf_evlist__munmap(struct perf_evlist *evlist, int ncpus) 219void perf_evlist__munmap(struct perf_evlist *evlist)
217{ 220{
218 int cpu; 221 int cpu;
219 222
220 for (cpu = 0; cpu < ncpus; cpu++) { 223 for (cpu = 0; cpu < evlist->cpus->nr; cpu++) {
221 if (evlist->mmap[cpu].base != NULL) { 224 if (evlist->mmap[cpu].base != NULL) {
222 munmap(evlist->mmap[cpu].base, evlist->mmap_len); 225 munmap(evlist->mmap[cpu].base, evlist->mmap_len);
223 evlist->mmap[cpu].base = NULL; 226 evlist->mmap[cpu].base = NULL;
@@ -225,9 +228,9 @@ void perf_evlist__munmap(struct perf_evlist *evlist, int ncpus)
225 } 228 }
226} 229}
227 230
228int perf_evlist__alloc_mmap(struct perf_evlist *evlist, int ncpus) 231int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
229{ 232{
230 evlist->mmap = zalloc(ncpus * sizeof(struct perf_mmap)); 233 evlist->mmap = zalloc(evlist->cpus->nr * sizeof(struct perf_mmap));
231 return evlist->mmap != NULL ? 0 : -ENOMEM; 234 return evlist->mmap != NULL ? 0 : -ENOMEM;
232} 235}
233 236
@@ -248,8 +251,6 @@ static int __perf_evlist__mmap(struct perf_evlist *evlist, int cpu, int prot,
248/** perf_evlist__mmap - Create per cpu maps to receive events 251/** perf_evlist__mmap - Create per cpu maps to receive events
249 * 252 *
250 * @evlist - list of events 253 * @evlist - list of events
251 * @cpus - cpu map being monitored
252 * @threads - threads map being monitored
253 * @pages - map length in pages 254 * @pages - map length in pages
254 * @overwrite - overwrite older events? 255 * @overwrite - overwrite older events?
255 * 256 *
@@ -259,21 +260,22 @@ static int __perf_evlist__mmap(struct perf_evlist *evlist, int cpu, int prot,
259 * unsigned int head = perf_mmap__read_head(m); 260 * unsigned int head = perf_mmap__read_head(m);
260 * 261 *
261 * perf_mmap__write_tail(m, head) 262 * perf_mmap__write_tail(m, head)
263 *
264 * Using perf_evlist__read_on_cpu does this automatically.
262 */ 265 */
263int perf_evlist__mmap(struct perf_evlist *evlist, struct cpu_map *cpus, 266int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite)
264 struct thread_map *threads, int pages, bool overwrite)
265{ 267{
266 unsigned int page_size = sysconf(_SC_PAGE_SIZE); 268 unsigned int page_size = sysconf(_SC_PAGE_SIZE);
267 int mask = pages * page_size - 1, cpu; 269 int mask = pages * page_size - 1, cpu;
268 struct perf_evsel *first_evsel, *evsel; 270 struct perf_evsel *first_evsel, *evsel;
271 const struct cpu_map *cpus = evlist->cpus;
272 const struct thread_map *threads = evlist->threads;
269 int thread, prot = PROT_READ | (overwrite ? 0 : PROT_WRITE); 273 int thread, prot = PROT_READ | (overwrite ? 0 : PROT_WRITE);
270 274
271 if (evlist->mmap == NULL && 275 if (evlist->mmap == NULL && perf_evlist__alloc_mmap(evlist) < 0)
272 perf_evlist__alloc_mmap(evlist, cpus->nr) < 0)
273 return -ENOMEM; 276 return -ENOMEM;
274 277
275 if (evlist->pollfd == NULL && 278 if (evlist->pollfd == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
276 perf_evlist__alloc_pollfd(evlist, cpus->nr, threads->nr) < 0)
277 return -ENOMEM; 279 return -ENOMEM;
278 280
279 evlist->overwrite = overwrite; 281 evlist->overwrite = overwrite;
@@ -315,3 +317,34 @@ out_unmap:
315 } 317 }
316 return -1; 318 return -1;
317} 319}
320
321int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
322 pid_t target_tid, const char *cpu_list)
323{
324 evlist->threads = thread_map__new(target_pid, target_tid);
325
326 if (evlist->threads == NULL)
327 return -1;
328
329 if (target_tid != -1)
330 evlist->cpus = cpu_map__dummy_new();
331 else
332 evlist->cpus = cpu_map__new(cpu_list);
333
334 if (evlist->cpus == NULL)
335 goto out_delete_threads;
336
337 return 0;
338
339out_delete_threads:
340 thread_map__delete(evlist->threads);
341 return -1;
342}
343
344void perf_evlist__delete_maps(struct perf_evlist *evlist)
345{
346 cpu_map__delete(evlist->cpus);
347 thread_map__delete(evlist->threads);
348 evlist->cpus = NULL;
349 evlist->threads = NULL;
350}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 85aca6eba16..c9884056097 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -22,28 +22,43 @@ struct perf_evlist {
22 union perf_event event_copy; 22 union perf_event event_copy;
23 struct perf_mmap *mmap; 23 struct perf_mmap *mmap;
24 struct pollfd *pollfd; 24 struct pollfd *pollfd;
25 struct thread_map *threads;
26 struct cpu_map *cpus;
25}; 27};
26 28
27struct perf_evsel; 29struct perf_evsel;
28 30
29struct perf_evlist *perf_evlist__new(void); 31struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
30void perf_evlist__init(struct perf_evlist *evlist); 32 struct thread_map *threads);
33void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
34 struct thread_map *threads);
31void perf_evlist__exit(struct perf_evlist *evlist); 35void perf_evlist__exit(struct perf_evlist *evlist);
32void perf_evlist__delete(struct perf_evlist *evlist); 36void perf_evlist__delete(struct perf_evlist *evlist);
33 37
34void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry); 38void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
35int perf_evlist__add_default(struct perf_evlist *evlist); 39int perf_evlist__add_default(struct perf_evlist *evlist);
36 40
37int perf_evlist__alloc_pollfd(struct perf_evlist *evlist, int ncpus, int nthreads); 41int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
38void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); 42void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
39 43
40struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); 44struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
41 45
42union perf_event *perf_evlist__read_on_cpu(struct perf_evlist *self, int cpu); 46union perf_event *perf_evlist__read_on_cpu(struct perf_evlist *self, int cpu);
43 47
44int perf_evlist__alloc_mmap(struct perf_evlist *evlist, int ncpus); 48int perf_evlist__alloc_mmap(struct perf_evlist *evlist);
45int perf_evlist__mmap(struct perf_evlist *evlist, struct cpu_map *cpus, 49int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite);
46 struct thread_map *threads, int pages, bool overwrite); 50void perf_evlist__munmap(struct perf_evlist *evlist);
47void perf_evlist__munmap(struct perf_evlist *evlist, int ncpus); 51
52static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
53 struct cpu_map *cpus,
54 struct thread_map *threads)
55{
56 evlist->cpus = cpus;
57 evlist->threads = threads;
58}
59
60int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
61 pid_t target_tid, const char *cpu_list);
62void perf_evlist__delete_maps(struct perf_evlist *evlist);
48 63
49#endif /* __PERF_EVLIST_H */ 64#endif /* __PERF_EVLIST_H */
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 88d47895a79..d2d52175362 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -553,7 +553,16 @@ struct pyrf_evlist {
553static int pyrf_evlist__init(struct pyrf_evlist *pevlist, 553static int pyrf_evlist__init(struct pyrf_evlist *pevlist,
554 PyObject *args, PyObject *kwargs) 554 PyObject *args, PyObject *kwargs)
555{ 555{
556 perf_evlist__init(&pevlist->evlist); 556 PyObject *pcpus = NULL, *pthreads = NULL;
557 struct cpu_map *cpus;
558 struct thread_map *threads;
559
560 if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads))
561 return -1;
562
563 threads = ((struct pyrf_thread_map *)pthreads)->threads;
564 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
565 perf_evlist__init(&pevlist->evlist, cpus, threads);
557 return 0; 566 return 0;
558} 567}
559 568
@@ -567,21 +576,15 @@ static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist,
567 PyObject *args, PyObject *kwargs) 576 PyObject *args, PyObject *kwargs)
568{ 577{
569 struct perf_evlist *evlist = &pevlist->evlist; 578 struct perf_evlist *evlist = &pevlist->evlist;
570 PyObject *pcpus = NULL, *pthreads = NULL; 579 static char *kwlist[] = {"pages", "overwrite",
571 struct cpu_map *cpus = NULL;
572 struct thread_map *threads = NULL;
573 static char *kwlist[] = {"cpus", "threads", "pages", "overwrite",
574 NULL, NULL}; 580 NULL, NULL};
575 int pages = 128, overwrite = false; 581 int pages = 128, overwrite = false;
576 582
577 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|ii", kwlist, 583 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist,
578 &pcpus, &pthreads, &pages, &overwrite)) 584 &pages, &overwrite))
579 return NULL; 585 return NULL;
580 586
581 threads = ((struct pyrf_thread_map *)pthreads)->threads; 587 if (perf_evlist__mmap(evlist, pages, overwrite) < 0) {
582 cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
583
584 if (perf_evlist__mmap(evlist, cpus, threads, pages, overwrite) < 0) {
585 PyErr_SetFromErrno(PyExc_OSError); 588 PyErr_SetFromErrno(PyExc_OSError);
586 return NULL; 589 return NULL;
587 } 590 }
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-08 03:04:57 -0500