diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-15 13:14:14 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-15 13:14:14 +0300 |
commit | cd5b27c9e334ff91ec39647957a3bdf75f171938 (patch) | |
tree | 88a95929dde4232e34c61206d24f29ee79d7b34c /tools/perf | |
parent | 7b9069cd1859ed8d1c5c757ca21ec787f75f0029 (diff) | |
parent | 880e4ff5d6c8dc6b660f163a0e9b68b898cc6310 (diff) | |
download | linux-rolling-lts.tar.xz |
Merge v6.12.42linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/.gitignore | 2 | ||||
-rw-r--r-- | tools/perf/builtin-sched.c | 99 | ||||
-rw-r--r-- | tools/perf/tests/bp_account.c | 1 | ||||
-rw-r--r-- | tools/perf/util/build-id.c | 2 | ||||
-rw-r--r-- | tools/perf/util/evsel.c | 11 | ||||
-rw-r--r-- | tools/perf/util/evsel.h | 2 | ||||
-rw-r--r-- | tools/perf/util/symbol.c | 1 |
7 files changed, 88 insertions, 30 deletions
diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore index f5b81d439387..1ef45d803024 100644 --- a/tools/perf/.gitignore +++ b/tools/perf/.gitignore @@ -48,8 +48,6 @@ libbpf/ libperf/ libsubcmd/ libsymbol/ -libtraceevent/ -libtraceevent_plugins/ fixdep Documentation/doc.dep python_ext_build/ diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 5981cc51abc8..64bf3ac237f2 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -999,7 +999,7 @@ thread_atoms_search(struct rb_root_cached *root, struct thread *thread, else if (cmp < 0) node = node->rb_right; else { - BUG_ON(thread != atoms->thread); + BUG_ON(!RC_CHK_EQUAL(thread, atoms->thread)); return atoms; } } @@ -1116,6 +1116,21 @@ add_sched_in_event(struct work_atoms *atoms, u64 timestamp) atoms->nb_atoms++; } +static void free_work_atoms(struct work_atoms *atoms) +{ + struct work_atom *atom, *tmp; + + if (atoms == NULL) + return; + + list_for_each_entry_safe(atom, tmp, &atoms->work_list, list) { + list_del(&atom->list); + free(atom); + } + thread__zput(atoms->thread); + free(atoms); +} + static int latency_switch_event(struct perf_sched *sched, struct evsel *evsel, struct perf_sample *sample, @@ -1639,6 +1654,7 @@ static int map_switch_event(struct perf_sched *sched, struct evsel *evsel, const char *color = PERF_COLOR_NORMAL; char stimestamp[32]; const char *str; + int ret = -1; BUG_ON(this_cpu.cpu >= MAX_CPUS || this_cpu.cpu < 0); @@ -1669,17 +1685,20 @@ static int map_switch_event(struct perf_sched *sched, struct evsel *evsel, sched_in = map__findnew_thread(sched, machine, -1, next_pid); sched_out = map__findnew_thread(sched, machine, -1, prev_pid); if (sched_in == NULL || sched_out == NULL) - return -1; + goto out; tr = thread__get_runtime(sched_in); - if (tr == NULL) { - thread__put(sched_in); - return -1; - } + if (tr == NULL) + goto out; + + thread__put(sched->curr_thread[this_cpu.cpu]); + thread__put(sched->curr_out_thread[this_cpu.cpu]); sched->curr_thread[this_cpu.cpu] = thread__get(sched_in); sched->curr_out_thread[this_cpu.cpu] = thread__get(sched_out); + ret = 0; + str = thread__comm_str(sched_in); new_shortname = 0; if (!tr->shortname[0]) { @@ -1774,12 +1793,10 @@ sched_out: color_fprintf(stdout, color, "\n"); out: - if (sched->map.task_name) - thread__put(sched_out); - + thread__put(sched_out); thread__put(sched_in); - return 0; + return ret; } static int process_sched_switch_event(const struct perf_tool *tool, @@ -2023,6 +2040,16 @@ static u64 evsel__get_time(struct evsel *evsel, u32 cpu) return r->last_time[cpu]; } +static void timehist__evsel_priv_destructor(void *priv) +{ + struct evsel_runtime *r = priv; + + if (r) { + free(r->last_time); + free(r); + } +} + static int comm_width = 30; static char *timehist_get_commstr(struct thread *thread) @@ -3276,6 +3303,8 @@ static int perf_sched__timehist(struct perf_sched *sched) setup_pager(); + evsel__set_priv_destructor(timehist__evsel_priv_destructor); + /* prefer sched_waking if it is captured */ if (evlist__find_tracepoint_by_name(session->evlist, "sched:sched_waking")) handlers[1].handler = timehist_sched_wakeup_ignore; @@ -3376,13 +3405,13 @@ static void __merge_work_atoms(struct rb_root_cached *root, struct work_atoms *d this->total_runtime += data->total_runtime; this->nb_atoms += data->nb_atoms; this->total_lat += data->total_lat; - list_splice(&data->work_list, &this->work_list); + list_splice_init(&data->work_list, &this->work_list); if (this->max_lat < data->max_lat) { this->max_lat = data->max_lat; this->max_lat_start = data->max_lat_start; this->max_lat_end = data->max_lat_end; } - zfree(&data); + free_work_atoms(data); return; } } @@ -3461,7 +3490,6 @@ static int perf_sched__lat(struct perf_sched *sched) work_list = rb_entry(next, struct work_atoms, node); output_lat_thread(sched, work_list); next = rb_next(next); - thread__zput(work_list->thread); } printf(" -----------------------------------------------------------------------------------------------------------------\n"); @@ -3475,6 +3503,13 @@ static int perf_sched__lat(struct perf_sched *sched) rc = 0; + while ((next = rb_first_cached(&sched->sorted_atom_root))) { + struct work_atoms *data; + + data = rb_entry(next, struct work_atoms, node); + rb_erase_cached(next, &sched->sorted_atom_root); + free_work_atoms(data); + } out_free_cpus_switch_event: free_cpus_switch_event(sched); return rc; @@ -3546,10 +3581,10 @@ static int perf_sched__map(struct perf_sched *sched) sched->curr_out_thread = calloc(MAX_CPUS, sizeof(*(sched->curr_out_thread))); if (!sched->curr_out_thread) - return rc; + goto out_free_curr_thread; if (setup_cpus_switch_event(sched)) - goto out_free_curr_thread; + goto out_free_curr_out_thread; if (setup_map_cpus(sched)) goto out_free_cpus_switch_event; @@ -3580,7 +3615,14 @@ out_put_map_cpus: out_free_cpus_switch_event: free_cpus_switch_event(sched); +out_free_curr_out_thread: + for (int i = 0; i < MAX_CPUS; i++) + thread__put(sched->curr_out_thread[i]); + zfree(&sched->curr_out_thread); + out_free_curr_thread: + for (int i = 0; i < MAX_CPUS; i++) + thread__put(sched->curr_thread[i]); zfree(&sched->curr_thread); return rc; } @@ -3887,13 +3929,15 @@ int cmd_sched(int argc, const char **argv) if (!argc) usage_with_options(sched_usage, sched_options); + thread__set_priv_destructor(free); + /* * Aliased to 'perf script' for now: */ if (!strcmp(argv[0], "script")) { - return cmd_script(argc, argv); + ret = cmd_script(argc, argv); } else if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) { - return __cmd_record(argc, argv); + ret = __cmd_record(argc, argv); } else if (strlen(argv[0]) > 2 && strstarts("latency", argv[0])) { sched.tp_handler = &lat_ops; if (argc > 1) { @@ -3902,7 +3946,7 @@ int cmd_sched(int argc, const char **argv) usage_with_options(latency_usage, latency_options); } setup_sorting(&sched, latency_options, latency_usage); - return perf_sched__lat(&sched); + ret = perf_sched__lat(&sched); } else if (!strcmp(argv[0], "map")) { if (argc) { argc = parse_options(argc, argv, map_options, map_usage, 0); @@ -3913,13 +3957,14 @@ int cmd_sched(int argc, const char **argv) sched.map.task_names = strlist__new(sched.map.task_name, NULL); if (sched.map.task_names == NULL) { fprintf(stderr, "Failed to parse task names\n"); - return -1; + ret = -1; + goto out; } } } sched.tp_handler = &map_ops; setup_sorting(&sched, latency_options, latency_usage); - return perf_sched__map(&sched); + ret = perf_sched__map(&sched); } else if (strlen(argv[0]) > 2 && strstarts("replay", argv[0])) { sched.tp_handler = &replay_ops; if (argc) { @@ -3927,7 +3972,7 @@ int cmd_sched(int argc, const char **argv) if (argc) usage_with_options(replay_usage, replay_options); } - return perf_sched__replay(&sched); + ret = perf_sched__replay(&sched); } else if (!strcmp(argv[0], "timehist")) { if (argc) { argc = parse_options(argc, argv, timehist_options, @@ -3943,19 +3988,19 @@ int cmd_sched(int argc, const char **argv) parse_options_usage(NULL, timehist_options, "w", true); if (sched.show_next) parse_options_usage(NULL, timehist_options, "n", true); - return -EINVAL; + ret = -EINVAL; + goto out; } ret = symbol__validate_sym_arguments(); - if (ret) - return ret; - - return perf_sched__timehist(&sched); + if (!ret) + ret = perf_sched__timehist(&sched); } else { usage_with_options(sched_usage, sched_options); } +out: /* free usage string allocated by parse_options_subcommand */ free((void *)sched_usage[0]); - return 0; + return ret; } diff --git a/tools/perf/tests/bp_account.c b/tools/perf/tests/bp_account.c index 4cb7d486b5c1..047433c977bc 100644 --- a/tools/perf/tests/bp_account.c +++ b/tools/perf/tests/bp_account.c @@ -104,6 +104,7 @@ static int bp_accounting(int wp_cnt, int share) fd_wp = wp_event((void *)&the_var, &attr_new); TEST_ASSERT_VAL("failed to create max wp\n", fd_wp != -1); pr_debug("wp max created\n"); + close(fd_wp); } for (i = 0; i < wp_cnt; i++) diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index e763e8d99a43..ee00313d5d7e 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -864,7 +864,7 @@ static int dso__cache_build_id(struct dso *dso, struct machine *machine, char *allocated_name = NULL; int ret = 0; - if (!dso__has_build_id(dso)) + if (!dso__has_build_id(dso) || !dso__hit(dso)) return 0; if (dso__is_kcore(dso)) { diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index dbf9c8cee3c5..6d7249cc1a99 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1477,6 +1477,15 @@ static void evsel__free_config_terms(struct evsel *evsel) free_config_terms(&evsel->config_terms); } +static void (*evsel__priv_destructor)(void *priv); + +void evsel__set_priv_destructor(void (*destructor)(void *priv)) +{ + assert(evsel__priv_destructor == NULL); + + evsel__priv_destructor = destructor; +} + void evsel__exit(struct evsel *evsel) { assert(list_empty(&evsel->core.node)); @@ -1502,6 +1511,8 @@ void evsel__exit(struct evsel *evsel) hashmap__free(evsel->per_pkg_mask); evsel->per_pkg_mask = NULL; zfree(&evsel->metric_events); + if (evsel__priv_destructor) + evsel__priv_destructor(evsel->priv); perf_evsel__object.fini(evsel); if (evsel__tool_event(evsel) == PERF_TOOL_SYSTEM_TIME || evsel__tool_event(evsel) == PERF_TOOL_USER_TIME) diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 15e745a9a798..26574a33a725 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -282,6 +282,8 @@ void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx); void evsel__exit(struct evsel *evsel); void evsel__delete(struct evsel *evsel); +void evsel__set_priv_destructor(void (*destructor)(void *priv)); + struct callchain_param; void evsel__config(struct evsel *evsel, struct record_opts *opts, diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 3bbf173ad822..c0ec5ed4f1aa 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1405,6 +1405,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map, goto out_err; } } + map__zput(new_node->map); free(new_node); } |