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authorNamhyung Kim <namhyung@kernel.org>2015-05-18 03:30:40 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-05-18 16:17:36 +0300
commit4a936edc317005e8cd2b501e7865721bec104544 (patch)
tree5060ee93fb06786372c782e0f3951228a2c72f1d /tools/perf/util/dso.h
parent9c9f5a2f1944e8b6bf2b618d04b31e1c1760637e (diff)
downloadlinux-4a936edc317005e8cd2b501e7865721bec104544.tar.xz
perf symbols: Protect dso symbol loading using a mutex
Add mutex to protect it from concurrent dso__load(). Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1431909055-21442-26-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/dso.h')
-rw-r--r--tools/perf/util/dso.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 3d79c749934c..b26ec3ab1336 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -129,6 +129,7 @@ struct dsos {
struct auxtrace_cache;
struct dso {
+ pthread_mutex_t lock;
struct list_head node;
struct rb_node rb_node; /* rbtree node sorted by long name */
struct rb_root symbols[MAP__NR_TYPES];