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Message-Id: <20220823220922.256001-12-irogers@google.com>
Date: Tue, 23 Aug 2022 15:09:15 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Darren Hart <dvhart@...radead.org>,
Davidlohr Bueso <dave@...olabs.net>,
"André Almeida" <andrealmeid@...lia.com>,
Nathan Chancellor <nathan@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Tom Rix <trix@...hat.com>, Weiguo Li <liwg06@...mail.com>,
Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
Thomas Richter <tmricht@...ux.ibm.com>,
Ravi Bangoria <ravi.bangoria@....com>,
Dario Petrillo <dario.pk1@...il.com>,
Hewenliang <hewenliang4@...wei.com>,
yaowenbin <yaowenbin1@...wei.com>,
Wenyu Liu <liuwenyu7@...wei.com>,
Song Liu <songliubraving@...com>,
Andrii Nakryiko <andrii@...nel.org>,
Dave Marchevsky <davemarchevsky@...com>,
Leo Yan <leo.yan@...aro.org>,
Kim Phillips <kim.phillips@....com>,
Pavithra Gurushankar <gpavithrasha@...il.com>,
Alexandre Truong <alexandre.truong@....com>,
Quentin Monnet <quentin@...valent.com>,
William Cohen <wcohen@...hat.com>,
Andres Freund <andres@...razel.de>,
Adrian Hunter <adrian.hunter@...el.com>,
"Martin Liška" <mliska@...e.cz>,
Colin Ian King <colin.king@...el.com>,
James Clark <james.clark@....com>,
Fangrui Song <maskray@...gle.com>,
Stephane Eranian <eranian@...gle.com>,
Kajol Jain <kjain@...ux.ibm.com>,
Alexey Bayduraev <alexey.v.bayduraev@...ux.intel.com>,
Riccardo Mancini <rickyman7@...il.com>,
Andi Kleen <ak@...ux.intel.com>,
Masami Hiramatsu <mhiramat@...nel.org>,
Zechuan Chen <chenzechuan1@...wei.com>,
Jason Wang <wangborong@...rlc.com>,
Christophe JAILLET <christophe.jaillet@...adoo.fr>,
Remi Bernon <rbernon@...eweavers.com>,
linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
bpf@...r.kernel.org, llvm@...ts.linux.dev
Cc: Ian Rogers <irogers@...gle.com>
Subject: [PATCH v2 11/18] perf dso: Update use of pthread mutex
Switch to the use of mutex wrappers that provide better error checking.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
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..c7a5b42d1311 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, /*pshared=*/false);
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 <pthread.h>
#include <linux/refcount.h>
#include <linux/types.h>
#include <linux/rbtree.h>
@@ -11,6 +10,7 @@
#include <stdio.h>
#include <linux/bitops.h>
#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 @@ int dso__load(struct dso *dso, struct map *map)
ret = 0;
out:
dso__set_loaded(dso);
- pthread_mutex_unlock(&dso->lock);
+ mutex_unlock(&dso->lock);
nsinfo__mountns_exit(&nsc);
return ret;
--
2.37.2.609.g9ff673ca1a-goog
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