From d9a0d6b83950bde861d2e2715ef476dae67d7873 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Fri, 26 Aug 2022 09:42:35 -0700 Subject: [PATCH] perf dso: Update use of pthread mutex MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Switch to the use of mutex wrappers that provide better error checking. Signed-off-by: Ian Rogers Reviewed-by: Adrian Hunter Acked-by: Namhyung Kim Cc: Alexander Shishkin Cc: Alexandre Truong Cc: Alexey Bayduraev Cc: Andi Kleen Cc: Andres Freund Cc: Andrii Nakryiko Cc: André Almeida Cc: Athira Jajeev Cc: Christophe JAILLET Cc: Colin Ian King Cc: Dario Petrillo Cc: Darren Hart Cc: Dave Marchevsky Cc: Davidlohr Bueso Cc: Fangrui Song Cc: Hewenliang Cc: Ingo Molnar Cc: James Clark Cc: Jason Wang Cc: Jiri Olsa Cc: Kajol Jain Cc: Kim Phillips Cc: Leo Yan Cc: Mark Rutland Cc: Martin Liška Cc: Masami Hiramatsu Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Pavithra Gurushankar Cc: Peter Zijlstra Cc: Quentin Monnet Cc: Ravi Bangoria Cc: Remi Bernon Cc: Riccardo Mancini Cc: Song Liu Cc: Stephane Eranian Cc: Thomas Gleixner Cc: Thomas Richter Cc: Tom Rix Cc: Weiguo Li Cc: Wenyu Liu Cc: William Cohen Cc: Zechuan Chen Cc: bpf@vger.kernel.org Cc: llvm@lists.linux.dev Cc: yaowenbin Link: https://lore.kernel.org/r/20220826164242.43412-12-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/dso.c | 12 ++++++------ tools/perf/util/dso.h | 4 ++-- tools/perf/util/symbol.c | 4 ++-- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 5ac13958d1bd..a9789a955403 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -795,7 +795,7 @@ dso_cache__free(struct dso *dso) struct rb_root *root = &dso->data.cache; struct rb_node *next = rb_first(root); - pthread_mutex_lock(&dso->lock); + mutex_lock(&dso->lock); while (next) { struct dso_cache *cache; @@ -804,7 +804,7 @@ dso_cache__free(struct dso *dso) rb_erase(&cache->rb_node, root); free(cache); } - pthread_mutex_unlock(&dso->lock); + mutex_unlock(&dso->lock); } static struct dso_cache *__dso_cache__find(struct dso *dso, u64 offset) @@ -841,7 +841,7 @@ dso_cache__insert(struct dso *dso, struct dso_cache *new) struct dso_cache *cache; u64 offset = new->offset; - pthread_mutex_lock(&dso->lock); + mutex_lock(&dso->lock); while (*p != NULL) { u64 end; @@ -862,7 +862,7 @@ dso_cache__insert(struct dso *dso, struct dso_cache *new) cache = NULL; out: - pthread_mutex_unlock(&dso->lock); + mutex_unlock(&dso->lock); return cache; } @@ -1297,7 +1297,7 @@ struct dso *dso__new_id(const char *name, struct dso_id *id) dso->root = NULL; INIT_LIST_HEAD(&dso->node); INIT_LIST_HEAD(&dso->data.open_entry); - pthread_mutex_init(&dso->lock, NULL); + mutex_init(&dso->lock); refcount_set(&dso->refcnt, 1); } @@ -1336,7 +1336,7 @@ void dso__delete(struct dso *dso) dso__free_a2l(dso); zfree(&dso->symsrc_filename); nsinfo__zput(dso->nsinfo); - pthread_mutex_destroy(&dso->lock); + mutex_destroy(&dso->lock); free(dso); } diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 66981c7a9a18..58d94175e714 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -2,7 +2,6 @@ #ifndef __PERF_DSO #define __PERF_DSO -#include #include #include #include @@ -11,6 +10,7 @@ #include #include #include "build-id.h" +#include "mutex.h" struct machine; struct map; @@ -145,7 +145,7 @@ struct dso_cache { struct auxtrace_cache; struct dso { - pthread_mutex_t lock; + struct mutex lock; struct list_head node; struct rb_node rb_node; /* rbtree node sorted by long name */ struct rb_root *root; /* root of rbtree that rb_node is in */ diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index a4b22caa7c24..656d9b4dd456 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1800,7 +1800,7 @@ int dso__load(struct dso *dso, struct map *map) } nsinfo__mountns_enter(dso->nsinfo, &nsc); - pthread_mutex_lock(&dso->lock); + mutex_lock(&dso->lock); /* check again under the dso->lock */ if (dso__loaded(dso)) { @@ -1964,7 +1964,7 @@ out_free: ret = 0; out: dso__set_loaded(dso); - pthread_mutex_unlock(&dso->lock); + mutex_unlock(&dso->lock); nsinfo__mountns_exit(&nsc); return ret;