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[209.132.180.67]) by mx.google.com with ESMTP id 31si5634869plz.290.2019.07.21.04.31.15; Sun, 21 Jul 2019 04:31:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726618AbfGUL3H (ORCPT + 99 others); Sun, 21 Jul 2019 07:29:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38596 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726262AbfGUL3H (ORCPT ); Sun, 21 Jul 2019 07:29:07 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 96645308A98C; Sun, 21 Jul 2019 11:29:06 +0000 (UTC) Received: from krava.redhat.com (ovpn-204-23.brq.redhat.com [10.40.204.23]) by smtp.corp.redhat.com (Postfix) with ESMTP id F24655D9D3; Sun, 21 Jul 2019 11:29:01 +0000 (UTC) From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Andi Kleen , Alexey Budankov , Michael Petlan Subject: [PATCH 33/79] libperf: Add perf_thread_map__get/perf_thread_map__put Date: Sun, 21 Jul 2019 13:24:20 +0200 Message-Id: <20190721112506.12306-34-jolsa@kernel.org> In-Reply-To: <20190721112506.12306-1-jolsa@kernel.org> References: <20190721112506.12306-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Sun, 21 Jul 2019 11:29:06 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Moving following functions: thread_map__get thread_map__put thread_map__comm under libperf with following names: perf_thread_map__get perf_thread_map__put perf_thread_map__comm Adding perf_thread_map__comm function for it to work/compile. Link: http://lkml.kernel.org/n/tip-2mhocgjehlsi3eo1z4eset8o@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/builtin-record.c | 2 +- tools/perf/lib/include/perf/threadmap.h | 4 +++ tools/perf/lib/libperf.map | 3 ++ tools/perf/lib/threadmap.c | 33 ++++++++++++++++++++++ tools/perf/tests/code-reading.c | 4 +-- tools/perf/tests/event-times.c | 4 +-- tools/perf/tests/keep-tracking.c | 2 +- tools/perf/tests/mmap-basic.c | 2 +- tools/perf/tests/mmap-thread-lookup.c | 2 +- tools/perf/tests/openat-syscall-all-cpus.c | 2 +- tools/perf/tests/openat-syscall.c | 2 +- tools/perf/tests/sw-clock.c | 2 +- tools/perf/tests/switch-tracking.c | 2 +- tools/perf/tests/task-exit.c | 2 +- tools/perf/tests/thread-map.c | 18 ++++++------ tools/perf/util/event.c | 4 +-- tools/perf/util/evlist.c | 12 ++++---- tools/perf/util/evsel.c | 2 +- tools/perf/util/parse-events.c | 2 +- tools/perf/util/python.c | 2 +- tools/perf/util/stat-display.c | 2 +- tools/perf/util/thread_map.c | 26 ----------------- tools/perf/util/thread_map.h | 8 ------ 23 files changed, 74 insertions(+), 68 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index c0962ddfad04..03fbe4600ca0 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1060,7 +1060,7 @@ static int record__synthesize_workload(struct record *rec, bool tail) process_synthesized_event, &rec->session->machines.host, rec->opts.sample_address); - thread_map__put(thread_map); + perf_thread_map__put(thread_map); return err; } diff --git a/tools/perf/lib/include/perf/threadmap.h b/tools/perf/lib/include/perf/threadmap.h index 34ed7f587101..456295273daa 100644 --- a/tools/perf/lib/include/perf/threadmap.h +++ b/tools/perf/lib/include/perf/threadmap.h @@ -10,5 +10,9 @@ struct perf_thread_map; LIBPERF_API struct perf_thread_map *perf_thread_map__new_dummy(void); LIBPERF_API void perf_thread_map__set_pid(struct perf_thread_map *map, int thread, pid_t pid); +LIBPERF_API char *perf_thread_map__comm(struct perf_thread_map *map, int thread); + +LIBPERF_API struct perf_thread_map *perf_thread_map__get(struct perf_thread_map *map); +LIBPERF_API void perf_thread_map__put(struct perf_thread_map *map); #endif /* __LIBPERF_THREADMAP_H */ diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map index 6b4ec1c4d3f3..c4f611010ccc 100644 --- a/tools/perf/lib/libperf.map +++ b/tools/perf/lib/libperf.map @@ -6,6 +6,9 @@ LIBPERF_0.0.1 { perf_cpu_map__put; perf_thread_map__new_dummy; perf_thread_map__set_pid; + perf_thread_map__comm; + perf_thread_map__get; + perf_thread_map__put; local: *; }; diff --git a/tools/perf/lib/threadmap.c b/tools/perf/lib/threadmap.c index 23e628a1437a..4865b73e2586 100644 --- a/tools/perf/lib/threadmap.c +++ b/tools/perf/lib/threadmap.c @@ -4,6 +4,8 @@ #include #include #include +#include +#include static void perf_thread_map__reset(struct perf_thread_map *map, int start, int nr) { @@ -35,6 +37,11 @@ void perf_thread_map__set_pid(struct perf_thread_map *map, int thread, pid_t pid map->map[thread].pid = pid; } +char *perf_thread_map__comm(struct perf_thread_map *map, int thread) +{ + return map->map[thread].comm; +} + struct perf_thread_map *perf_thread_map__new_dummy(void) { struct perf_thread_map *threads = thread_map__alloc(1); @@ -46,3 +53,29 @@ struct perf_thread_map *perf_thread_map__new_dummy(void) } return threads; } + +static void perf_thread_map__delete(struct perf_thread_map *threads) +{ + if (threads) { + int i; + + WARN_ONCE(refcount_read(&threads->refcnt) != 0, + "thread map refcnt unbalanced\n"); + for (i = 0; i < threads->nr; i++) + free(perf_thread_map__comm(threads, i)); + free(threads); + } +} + +struct perf_thread_map *perf_thread_map__get(struct perf_thread_map *map) +{ + if (map) + refcount_inc(&map->refcnt); + return map; +} + +void perf_thread_map__put(struct perf_thread_map *map) +{ + if (map && refcount_dec_and_test(&map->refcnt)) + perf_thread_map__delete(map); +} diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index ce2d3266286a..7b26be1dfb47 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -656,7 +656,7 @@ static int do_test_code_reading(bool try_kcore) * call. Getting refference to keep them alive. */ perf_cpu_map__get(cpus); - thread_map__get(threads); + perf_thread_map__get(threads); perf_evlist__set_maps(evlist, NULL, NULL); evlist__delete(evlist); evlist = NULL; @@ -706,7 +706,7 @@ static int do_test_code_reading(bool try_kcore) evlist__delete(evlist); } else { perf_cpu_map__put(cpus); - thread_map__put(threads); + perf_thread_map__put(threads); } machine__delete_threads(machine); machine__delete(machine); diff --git a/tools/perf/tests/event-times.c b/tools/perf/tests/event-times.c index dcfff4b20c92..9238180416b0 100644 --- a/tools/perf/tests/event-times.c +++ b/tools/perf/tests/event-times.c @@ -76,7 +76,7 @@ static int attach__current_disabled(struct evlist *evlist) return err; } - thread_map__put(threads); + perf_thread_map__put(threads); return evsel__enable(evsel) == 0 ? TEST_OK : TEST_FAIL; } @@ -96,7 +96,7 @@ static int attach__current_enabled(struct evlist *evlist) err = perf_evsel__open_per_thread(evsel, threads); - thread_map__put(threads); + perf_thread_map__put(threads); return err == 0 ? TEST_OK : TEST_FAIL; } diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c index 43e55fe98f8c..830fb3d7ea2e 100644 --- a/tools/perf/tests/keep-tracking.c +++ b/tools/perf/tests/keep-tracking.c @@ -150,7 +150,7 @@ int test__keep_tracking(struct test *test __maybe_unused, int subtest __maybe_un evlist__delete(evlist); } else { perf_cpu_map__put(cpus); - thread_map__put(threads); + perf_thread_map__put(threads); } return err; diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index d15282174b2e..72fbf55f4fc3 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -157,6 +157,6 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse out_free_cpus: perf_cpu_map__put(cpus); out_free_threads: - thread_map__put(threads); + perf_thread_map__put(threads); return err; } diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c index ad6ca943e568..360d70deb855 100644 --- a/tools/perf/tests/mmap-thread-lookup.c +++ b/tools/perf/tests/mmap-thread-lookup.c @@ -147,7 +147,7 @@ static int synth_process(struct machine *machine) perf_event__process, machine, 0); - thread_map__put(map); + perf_thread_map__put(map); return err; } diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index 611f6ea9b702..674b0fa035ec 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -122,6 +122,6 @@ int test__openat_syscall_event_on_all_cpus(struct test *test __maybe_unused, int out_cpu_map_delete: perf_cpu_map__put(cpus); out_thread_map_delete: - thread_map__put(threads); + perf_thread_map__put(threads); return err; } diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c index 20e353fbfdd0..87c212545767 100644 --- a/tools/perf/tests/openat-syscall.c +++ b/tools/perf/tests/openat-syscall.c @@ -61,6 +61,6 @@ int test__openat_syscall_event(struct test *test __maybe_unused, int subtest __m out_evsel_delete: evsel__delete(evsel); out_thread_map_delete: - thread_map__put(threads); + perf_thread_map__put(threads); return err; } diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index c464e301ade9..2decda2d4c17 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -126,7 +126,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) out_free_maps: perf_cpu_map__put(cpus); - thread_map__put(threads); + perf_thread_map__put(threads); out_delete_evlist: evlist__delete(evlist); return err; diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c index 27af7b7109a3..0935a5a1ecaa 100644 --- a/tools/perf/tests/switch-tracking.c +++ b/tools/perf/tests/switch-tracking.c @@ -570,7 +570,7 @@ int test__switch_tracking(struct test *test __maybe_unused, int subtest __maybe_ evlist__delete(evlist); } else { perf_cpu_map__put(cpus); - thread_map__put(threads); + perf_thread_map__put(threads); } return err; diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index f026759a05d7..24257285844b 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -136,7 +136,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused out_free_maps: perf_cpu_map__put(cpus); - thread_map__put(threads); + perf_thread_map__put(threads); out_delete_evlist: evlist__delete(evlist); return err; diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c index 73bc404ed390..d61773cacf0b 100644 --- a/tools/perf/tests/thread-map.c +++ b/tools/perf/tests/thread-map.c @@ -28,11 +28,11 @@ int test__thread_map(struct test *test __maybe_unused, int subtest __maybe_unuse TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == getpid()); TEST_ASSERT_VAL("wrong comm", - thread_map__comm(map, 0) && - !strcmp(thread_map__comm(map, 0), NAME)); + perf_thread_map__comm(map, 0) && + !strcmp(perf_thread_map__comm(map, 0), NAME)); TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); - thread_map__put(map); + perf_thread_map__put(map); /* test dummy pid */ map = perf_thread_map__new_dummy(); @@ -43,11 +43,11 @@ int test__thread_map(struct test *test __maybe_unused, int subtest __maybe_unuse TEST_ASSERT_VAL("wrong nr", map->nr == 1); TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == -1); TEST_ASSERT_VAL("wrong comm", - thread_map__comm(map, 0) && - !strcmp(thread_map__comm(map, 0), "dummy")); + perf_thread_map__comm(map, 0) && + !strcmp(perf_thread_map__comm(map, 0), "dummy")); TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); - thread_map__put(map); + perf_thread_map__put(map); return 0; } @@ -70,11 +70,11 @@ static int process_event(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong pid", thread_map__pid(threads, 0) == getpid()); TEST_ASSERT_VAL("wrong comm", - thread_map__comm(threads, 0) && - !strcmp(thread_map__comm(threads, 0), NAME)); + perf_thread_map__comm(threads, 0) && + !strcmp(perf_thread_map__comm(threads, 0), NAME)); TEST_ASSERT_VAL("wrong refcnt", refcount_read(&threads->refcnt) == 1); - thread_map__put(threads); + perf_thread_map__put(threads); return 0; } diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 1a3db35f9f7d..f440fdc3e953 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -992,7 +992,7 @@ int perf_event__synthesize_thread_map2(struct perf_tool *tool, for (i = 0; i < threads->nr; i++) { struct thread_map_event_entry *entry = &event->thread_map.entries[i]; - char *comm = thread_map__comm(threads, i); + char *comm = perf_thread_map__comm(threads, i); if (!comm) comm = (char *) ""; @@ -1387,7 +1387,7 @@ size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp) else ret += fprintf(fp, "failed to get threads from event\n"); - thread_map__put(threads); + perf_thread_map__put(threads); return ret; } diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 88d131769df4..38a3c6d16b4b 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -142,7 +142,7 @@ void evlist__delete(struct evlist *evlist) perf_evlist__munmap(evlist); evlist__close(evlist); perf_cpu_map__put(evlist->cpus); - thread_map__put(evlist->threads); + perf_thread_map__put(evlist->threads); evlist->cpus = NULL; evlist->threads = NULL; perf_evlist__purge(evlist); @@ -165,8 +165,8 @@ static void __perf_evlist__propagate_maps(struct evlist *evlist, evsel->cpus = perf_cpu_map__get(evsel->own_cpus); } - thread_map__put(evsel->threads); - evsel->threads = thread_map__get(evlist->threads); + perf_thread_map__put(evsel->threads); + evsel->threads = perf_thread_map__get(evlist->threads); } static void perf_evlist__propagate_maps(struct evlist *evlist) @@ -1100,7 +1100,7 @@ int perf_evlist__create_maps(struct evlist *evlist, struct target *target) return 0; out_delete_threads: - thread_map__put(threads); + perf_thread_map__put(threads); return -1; } @@ -1120,8 +1120,8 @@ void perf_evlist__set_maps(struct evlist *evlist, struct perf_cpu_map *cpus, } if (threads != evlist->threads) { - thread_map__put(evlist->threads); - evlist->threads = thread_map__get(threads); + perf_thread_map__put(evlist->threads); + evlist->threads = perf_thread_map__get(threads); } perf_evlist__propagate_maps(evlist); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 72c0e6948e83..652e53279b28 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1327,7 +1327,7 @@ void perf_evsel__exit(struct evsel *evsel) cgroup__put(evsel->cgrp); perf_cpu_map__put(evsel->cpus); perf_cpu_map__put(evsel->own_cpus); - thread_map__put(evsel->threads); + perf_thread_map__put(evsel->threads); zfree(&evsel->group_name); zfree(&evsel->name); perf_evsel__object.fini(evsel); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 8c9928feb38a..38eeca6fa1fc 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -2337,7 +2337,7 @@ static bool is_event_supported(u8 type, unsigned config) evsel__delete(evsel); } - thread_map__put(tmap); + perf_thread_map__put(tmap); return ret; } diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 677c93f91c6c..19d2feee91d5 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -626,7 +626,7 @@ static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads, static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads) { - thread_map__put(pthreads->threads); + perf_thread_map__put(pthreads->threads); Py_TYPE(pthreads)->tp_free((PyObject*)pthreads); } diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index f7666d2e6e0c..1f099823a1f9 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -116,7 +116,7 @@ static void aggr_printout(struct perf_stat_config *config, case AGGR_THREAD: fprintf(config->output, "%*s-%*d%s", config->csv_output ? 0 : 16, - thread_map__comm(evsel->threads, id), + perf_thread_map__comm(evsel->threads, id), config->csv_output ? 0 : -8, thread_map__pid(evsel->threads, id), config->csv_sep); diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index 06dd9f2e4ce5..c58385ea05be 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -304,32 +304,6 @@ struct perf_thread_map *thread_map__new_str(const char *pid, const char *tid, return thread_map__new_by_tid_str(tid); } -static void thread_map__delete(struct perf_thread_map *threads) -{ - if (threads) { - int i; - - WARN_ONCE(refcount_read(&threads->refcnt) != 0, - "thread map refcnt unbalanced\n"); - for (i = 0; i < threads->nr; i++) - free(thread_map__comm(threads, i)); - free(threads); - } -} - -struct perf_thread_map *thread_map__get(struct perf_thread_map *map) -{ - if (map) - refcount_inc(&map->refcnt); - return map; -} - -void thread_map__put(struct perf_thread_map *map) -{ - if (map && refcount_dec_and_test(&map->refcnt)) - thread_map__delete(map); -} - size_t thread_map__fprintf(struct perf_thread_map *threads, FILE *fp) { int i; diff --git a/tools/perf/util/thread_map.h b/tools/perf/util/thread_map.h index 94a1f9565f5e..ba45c760be72 100644 --- a/tools/perf/util/thread_map.h +++ b/tools/perf/util/thread_map.h @@ -18,9 +18,6 @@ struct perf_thread_map *thread_map__new_all_cpus(void); struct perf_thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid); struct perf_thread_map *thread_map__new_event(struct thread_map_event *event); -struct perf_thread_map *thread_map__get(struct perf_thread_map *map); -void thread_map__put(struct perf_thread_map *map); - struct perf_thread_map *thread_map__new_str(const char *pid, const char *tid, uid_t uid, bool all_threads); @@ -38,11 +35,6 @@ static inline pid_t thread_map__pid(struct perf_thread_map *map, int thread) return map->map[thread].pid; } -static inline char *thread_map__comm(struct perf_thread_map *map, int thread) -{ - return map->map[thread].comm; -} - void thread_map__read_comms(struct perf_thread_map *threads); bool thread_map__has(struct perf_thread_map *threads, pid_t pid); int thread_map__remove(struct perf_thread_map *threads, int idx); -- 2.21.0