diff options
Diffstat (limited to 'tools/perf')
33 files changed, 78 insertions, 75 deletions
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index 268fcb31cd53..3a78b38e43ca 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -181,7 +181,7 @@ static int cs_etm_set_option(struct auxtrace_record *itr, err = 0; out: - cpu_map__put(online_cpus); + perf_cpu_map__put(online_cpus); return err; } @@ -517,7 +517,7 @@ cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused, } } - cpu_map__put(online_cpus); + perf_cpu_map__put(online_cpus); return (CS_ETM_HEADER_SIZE + (etmv4 * CS_ETMV4_PRIV_SIZE) + @@ -679,7 +679,7 @@ static int cs_etm_info_fill(struct auxtrace_record *itr, if (cpu_map__has(cpu_map, i)) cs_etm_get_metadata(i, &offset, itr, info); - cpu_map__put(online_cpus); + perf_cpu_map__put(online_cpus); return 0; } diff --git a/tools/perf/arch/arm64/util/header.c b/tools/perf/arch/arm64/util/header.c index b3e73a413f5a..602caf550e7f 100644 --- a/tools/perf/arch/arm64/util/header.c +++ b/tools/perf/arch/arm64/util/header.c @@ -27,7 +27,7 @@ char *get_cpuid_str(struct perf_pmu *pmu) return NULL; /* read midr from list of cpus mapped to this pmu */ - cpus = cpu_map__get(pmu->cpus); + cpus = perf_cpu_map__get(pmu->cpus); for (cpu = 0; cpu < cpus->nr; cpu++) { scnprintf(path, PATH_MAX, "%s/devices/system/cpu/cpu%d"MIDR, sysfs, cpus->map[cpu]); @@ -60,6 +60,6 @@ char *get_cpuid_str(struct perf_pmu *pmu) buf = NULL; } - cpu_map__put(cpus); + perf_cpu_map__put(cpus); return buf; } diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c index 105ef2a17a9c..6943352b8d94 100644 --- a/tools/perf/builtin-ftrace.c +++ b/tools/perf/builtin-ftrace.c @@ -206,7 +206,7 @@ static int reset_tracing_cpu(void) int ret; ret = set_tracing_cpumask(cpumap); - cpu_map__put(cpumap); + perf_cpu_map__put(cpumap); return ret; } diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 36e66a4f3c57..39bd73d0e06e 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -933,8 +933,8 @@ static int perf_stat_init_aggr_mode(void) static void perf_stat__exit_aggr_mode(void) { - cpu_map__put(stat_config.aggr_map); - cpu_map__put(stat_config.cpus_aggr_map); + perf_cpu_map__put(stat_config.aggr_map); + perf_cpu_map__put(stat_config.cpus_aggr_map); stat_config.aggr_map = NULL; stat_config.cpus_aggr_map = NULL; } diff --git a/tools/perf/lib/cpumap.c b/tools/perf/lib/cpumap.c index 80d587ab95aa..f3cfb4c71106 100644 --- a/tools/perf/lib/cpumap.c +++ b/tools/perf/lib/cpumap.c @@ -3,6 +3,8 @@ #include <stdlib.h> #include <linux/refcount.h> #include <internal/cpumap.h> +#include <asm/bug.h> +#include <stdio.h> struct perf_cpu_map *perf_cpu_map__dummy_new(void) { @@ -16,3 +18,25 @@ struct perf_cpu_map *perf_cpu_map__dummy_new(void) return cpus; } + +static void cpu_map__delete(struct perf_cpu_map *map) +{ + if (map) { + WARN_ONCE(refcount_read(&map->refcnt) != 0, + "cpu_map refcnt unbalanced\n"); + free(map); + } +} + +struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map) +{ + if (map) + refcount_inc(&map->refcnt); + return map; +} + +void perf_cpu_map__put(struct perf_cpu_map *map) +{ + if (map && refcount_dec_and_test(&map->refcnt)) + cpu_map__delete(map); +} diff --git a/tools/perf/lib/include/perf/cpumap.h b/tools/perf/lib/include/perf/cpumap.h index fa1e5aa9d662..e16c2515a499 100644 --- a/tools/perf/lib/include/perf/cpumap.h +++ b/tools/perf/lib/include/perf/cpumap.h @@ -7,5 +7,7 @@ struct perf_cpu_map; LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(void); +LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map); +LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map); #endif /* __LIBPERF_CPUMAP_H */ diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map index 65201c6cbe7e..76ce3bc59dd8 100644 --- a/tools/perf/lib/libperf.map +++ b/tools/perf/lib/libperf.map @@ -2,6 +2,8 @@ LIBPERF_0.0.1 { global: libperf_set_print; perf_cpu_map__dummy_new; + perf_cpu_map__get; + perf_cpu_map__put; local: *; }; diff --git a/tools/perf/tests/bitmap.c b/tools/perf/tests/bitmap.c index 74d0cd32a5c4..95304d29092e 100644 --- a/tools/perf/tests/bitmap.c +++ b/tools/perf/tests/bitmap.c @@ -21,7 +21,7 @@ static unsigned long *get_bitmap(const char *str, int nbits) } if (map) - cpu_map__put(map); + perf_cpu_map__put(map); return bm; } diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index ec4b0bf28270..ce2d3266286a 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -655,7 +655,7 @@ static int do_test_code_reading(bool try_kcore) * and will be freed by following perf_evlist__set_maps * call. Getting refference to keep them alive. */ - cpu_map__get(cpus); + perf_cpu_map__get(cpus); thread_map__get(threads); perf_evlist__set_maps(evlist, NULL, NULL); evlist__delete(evlist); @@ -705,7 +705,7 @@ out_err: if (evlist) { evlist__delete(evlist); } else { - cpu_map__put(cpus); + perf_cpu_map__put(cpus); thread_map__put(threads); } machine__delete_threads(machine); diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c index 10da4400493d..6c921087b0fe 100644 --- a/tools/perf/tests/cpumap.c +++ b/tools/perf/tests/cpumap.c @@ -39,7 +39,7 @@ static int process_event_mask(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong cpu", map->map[i] == i); } - cpu_map__put(map); + perf_cpu_map__put(map); return 0; } @@ -68,7 +68,7 @@ static int process_event_cpus(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong cpu", map->map[0] == 1); TEST_ASSERT_VAL("wrong cpu", map->map[1] == 256); TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); - cpu_map__put(map); + perf_cpu_map__put(map); return 0; } @@ -83,7 +83,7 @@ int test__cpu_map_synthesize(struct test *test __maybe_unused, int subtest __may TEST_ASSERT_VAL("failed to synthesize map", !perf_event__synthesize_cpu_map(NULL, cpus, process_event_mask, NULL)); - cpu_map__put(cpus); + perf_cpu_map__put(cpus); /* This one is better stores in cpu values. */ cpus = cpu_map__new("1,256"); @@ -91,7 +91,7 @@ int test__cpu_map_synthesize(struct test *test __maybe_unused, int subtest __may TEST_ASSERT_VAL("failed to synthesize map", !perf_event__synthesize_cpu_map(NULL, cpus, process_event_cpus, NULL)); - cpu_map__put(cpus); + perf_cpu_map__put(cpus); return 0; } diff --git a/tools/perf/tests/event-times.c b/tools/perf/tests/event-times.c index bf00d3d792fb..dcfff4b20c92 100644 --- a/tools/perf/tests/event-times.c +++ b/tools/perf/tests/event-times.c @@ -132,7 +132,7 @@ static int attach__cpu_disabled(struct evlist *evlist) return err; } - cpu_map__put(cpus); + perf_cpu_map__put(cpus); return evsel__enable(evsel); } @@ -154,7 +154,7 @@ static int attach__cpu_enabled(struct evlist *evlist) if (err == -EACCES) return TEST_SKIP; - cpu_map__put(cpus); + perf_cpu_map__put(cpus); return err ? TEST_FAIL : TEST_OK; } diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c index eb0dd359762d..415d12e96834 100644 --- a/tools/perf/tests/event_update.c +++ b/tools/perf/tests/event_update.c @@ -73,7 +73,7 @@ static int process_event_cpus(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong cpus", map->map[0] == 1); TEST_ASSERT_VAL("wrong cpus", map->map[1] == 2); TEST_ASSERT_VAL("wrong cpus", map->map[2] == 3); - cpu_map__put(map); + perf_cpu_map__put(map); return 0; } @@ -113,6 +113,6 @@ int test__event_update(struct test *test __maybe_unused, int subtest __maybe_unu TEST_ASSERT_VAL("failed to synthesize attr update cpus", !perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus)); - cpu_map__put(evsel->own_cpus); + perf_cpu_map__put(evsel->own_cpus); return 0; } diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c index 7bfc859971e5..43e55fe98f8c 100644 --- a/tools/perf/tests/keep-tracking.c +++ b/tools/perf/tests/keep-tracking.c @@ -149,7 +149,7 @@ out_err: evlist__disable(evlist); evlist__delete(evlist); } else { - cpu_map__put(cpus); + perf_cpu_map__put(cpus); thread_map__put(threads); } diff --git a/tools/perf/tests/mem2node.c b/tools/perf/tests/mem2node.c index e12eedfba781..6fe2c1e7918b 100644 --- a/tools/perf/tests/mem2node.c +++ b/tools/perf/tests/mem2node.c @@ -32,7 +32,7 @@ static unsigned long *get_bitmap(const char *str, int nbits) } if (map) - cpu_map__put(map); + perf_cpu_map__put(map); else free(bm); diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index 40511025208f..d15282174b2e 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -155,7 +155,7 @@ out_delete_evlist: cpus = NULL; threads = NULL; out_free_cpus: - cpu_map__put(cpus); + perf_cpu_map__put(cpus); out_free_threads: thread_map__put(threads); return err; diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index f96cbd304024..611f6ea9b702 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -120,7 +120,7 @@ out_close_fd: out_evsel_delete: evsel__delete(evsel); out_cpu_map_delete: - cpu_map__put(cpus); + perf_cpu_map__put(cpus); out_thread_map_delete: thread_map__put(threads); return err; diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index c6d3f4488b73..c464e301ade9 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -125,7 +125,7 @@ out_init: } out_free_maps: - cpu_map__put(cpus); + perf_cpu_map__put(cpus); thread_map__put(threads); out_delete_evlist: evlist__delete(evlist); diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c index d5537edb47db..27af7b7109a3 100644 --- a/tools/perf/tests/switch-tracking.c +++ b/tools/perf/tests/switch-tracking.c @@ -569,7 +569,7 @@ out: evlist__disable(evlist); evlist__delete(evlist); } else { - cpu_map__put(cpus); + perf_cpu_map__put(cpus); thread_map__put(threads); } diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index c094fb8cc877..f026759a05d7 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -135,7 +135,7 @@ out_init: } out_free_maps: - cpu_map__put(cpus); + perf_cpu_map__put(cpus); thread_map__put(threads); out_delete_evlist: evlist__delete(evlist); diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c index 443d0272ebbd..1b57ded58d59 100644 --- a/tools/perf/tests/topology.c +++ b/tools/perf/tests/topology.c @@ -133,7 +133,7 @@ int test__session_topology(struct test *test __maybe_unused, int subtest __maybe } ret = check_cpu_topology(path, map); - cpu_map__put(map); + perf_cpu_map__put(map); free_path: unlink(path); diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index acda9bfb4002..44082e5eabde 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -273,28 +273,6 @@ struct perf_cpu_map *cpu_map__empty_new(int nr) return cpus; } -static void cpu_map__delete(struct perf_cpu_map *map) -{ - if (map) { - WARN_ONCE(refcount_read(&map->refcnt) != 0, - "cpu_map refcnt unbalanced\n"); - free(map); - } -} - -struct perf_cpu_map *cpu_map__get(struct perf_cpu_map *map) -{ - if (map) - refcount_inc(&map->refcnt); - return map; -} - -void cpu_map__put(struct perf_cpu_map *map) -{ - if (map && refcount_dec_and_test(&map->refcnt)) - cpu_map__delete(map); -} - static int cpu__get_topology_int(int cpu, const char *name, int *value) { char path[PATH_MAX]; diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index 0ce3f6bd9449..b7af2cb68c19 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -29,9 +29,6 @@ int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct perf_cpu_map **diep int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct perf_cpu_map **corep); const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */ -struct perf_cpu_map *cpu_map__get(struct perf_cpu_map *map); -void cpu_map__put(struct perf_cpu_map *map); - static inline int cpu_map__socket(struct perf_cpu_map *sock, int s) { if (!sock || s > sock->nr || s < 0) diff --git a/tools/perf/util/cputopo.c b/tools/perf/util/cputopo.c index 157b0988435e..0cd99c460cd4 100644 --- a/tools/perf/util/cputopo.c +++ b/tools/perf/util/cputopo.c @@ -219,7 +219,7 @@ struct cpu_topology *cpu_topology__new(void) } out_free: - cpu_map__put(map); + perf_cpu_map__put(map); if (ret) { cpu_topology__delete(tp); tp = NULL; @@ -335,7 +335,7 @@ struct numa_topology *numa_topology__new(void) out: free(buf); fclose(fp); - cpu_map__put(node_map); + perf_cpu_map__put(node_map); return tp; } diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index 9909ec40c6d2..d77912b2b5e7 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -179,7 +179,7 @@ void perf_env__exit(struct perf_env *env) zfree(&env->cpu); for (i = 0; i < env->nr_numa_nodes; i++) - cpu_map__put(env->numa_nodes[i].map); + perf_cpu_map__put(env->numa_nodes[i].map); zfree(&env->numa_nodes); for (i = 0; i < env->caches_cnt; i++) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index f78837788b14..1a3db35f9f7d 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1403,7 +1403,7 @@ size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp) else ret += fprintf(fp, "failed to get cpumap from event\n"); - cpu_map__put(cpus); + perf_cpu_map__put(cpus); return ret; } diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 461c1e68e9e7..35020d50f51e 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -141,7 +141,7 @@ void evlist__delete(struct evlist *evlist) perf_evlist__munmap(evlist); evlist__close(evlist); - cpu_map__put(evlist->cpus); + perf_cpu_map__put(evlist->cpus); thread_map__put(evlist->threads); evlist->cpus = NULL; evlist->threads = NULL; @@ -158,11 +158,11 @@ static void __perf_evlist__propagate_maps(struct evlist *evlist, * keep it, if there's no target cpu list defined. */ if (!evsel->own_cpus || evlist->has_user_cpus) { - cpu_map__put(evsel->cpus); - evsel->cpus = cpu_map__get(evlist->cpus); + perf_cpu_map__put(evsel->cpus); + evsel->cpus = perf_cpu_map__get(evlist->cpus); } else if (evsel->cpus != evsel->own_cpus) { - cpu_map__put(evsel->cpus); - evsel->cpus = cpu_map__get(evsel->own_cpus); + perf_cpu_map__put(evsel->cpus); + evsel->cpus = perf_cpu_map__get(evsel->own_cpus); } thread_map__put(evsel->threads); @@ -1115,8 +1115,8 @@ void perf_evlist__set_maps(struct evlist *evlist, struct perf_cpu_map *cpus, * the caller to increase the reference count. */ if (cpus != evlist->cpus) { - cpu_map__put(evlist->cpus); - evlist->cpus = cpu_map__get(cpus); + perf_cpu_map__put(evlist->cpus); + evlist->cpus = perf_cpu_map__get(cpus); } if (threads != evlist->threads) { @@ -1383,7 +1383,7 @@ static int perf_evlist__create_syswide_maps(struct evlist *evlist) out: return err; out_put: - cpu_map__put(cpus); + perf_cpu_map__put(cpus); goto out; } diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index a389752840a9..72c0e6948e83 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1325,8 +1325,8 @@ void perf_evsel__exit(struct evsel *evsel) perf_evsel__free_id(evsel); perf_evsel__free_config_terms(evsel); cgroup__put(evsel->cgrp); - cpu_map__put(evsel->cpus); - cpu_map__put(evsel->own_cpus); + perf_cpu_map__put(evsel->cpus); + perf_cpu_map__put(evsel->own_cpus); thread_map__put(evsel->threads); zfree(&evsel->group_name); zfree(&evsel->name); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index decb66d243ca..8c9928feb38a 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -332,8 +332,8 @@ __add_event(struct list_head *list, int *idx, return NULL; (*idx)++; - evsel->cpus = cpu_map__get(cpus); - evsel->own_cpus = cpu_map__get(cpus); + evsel->cpus = perf_cpu_map__get(cpus); + evsel->own_cpus = perf_cpu_map__get(cpus); evsel->system_wide = pmu ? pmu->is_uncore : false; evsel->auto_merge_stats = auto_merge_stats; diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 4929a50c0973..d355f9506a1c 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -626,7 +626,7 @@ static bool pmu_is_uncore(const char *name) snprintf(path, PATH_MAX, CPUS_TEMPLATE_UNCORE, sysfs, name); cpus = __pmu_cpumask(path); - cpu_map__put(cpus); + perf_cpu_map__put(cpus); return !!cpus; } diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index cc4af99ab190..677c93f91c6c 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -557,7 +557,7 @@ static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus, static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus) { - cpu_map__put(pcpus->cpus); + perf_cpu_map__put(pcpus->cpus); Py_TYPE(pcpus)->tp_free((PyObject*)pcpus); } diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index 9f8841548539..fecccfd71aa1 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -67,7 +67,7 @@ static bool perf_probe_api(setup_probe_fn_t fn) if (!cpus) return false; cpu = cpus->map[0]; - cpu_map__put(cpus); + perf_cpu_map__put(cpus); do { ret = perf_do_probe_api(fn, cpu, try[i++]); @@ -122,7 +122,7 @@ bool perf_can_record_cpu_wide(void) if (!cpus) return false; cpu = cpus->map[0]; - cpu_map__put(cpus); + perf_cpu_map__put(cpus); fd = sys_perf_event_open(&attr, -1, cpu, -1, 0); if (fd < 0) @@ -278,7 +278,7 @@ bool perf_evlist__can_select_event(struct evlist *evlist, const char *str) struct perf_cpu_map *cpus = cpu_map__new(NULL); cpu = cpus ? cpus->map[0] : 0; - cpu_map__put(cpus); + perf_cpu_map__put(cpus); } else { cpu = evlist->cpus->map[0]; } diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index c191dc152175..62d37440cbee 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -2310,7 +2310,7 @@ int perf_session__cpu_bitmap(struct perf_session *session, err = 0; out_delete_map: - cpu_map__put(map); + perf_cpu_map__put(map); return err; } diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c index 99132c6a30a6..a9ca5c4fffee 100644 --- a/tools/perf/util/svghelper.c +++ b/tools/perf/util/svghelper.c @@ -745,7 +745,7 @@ static int str_to_bitmap(char *s, cpumask_t *b) set_bit(c, cpumask_bits(b)); } - cpu_map__put(m); + perf_cpu_map__put(m); return ret; } |