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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2014-08-14 06:22:51 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-15 20:08:14 +0400
commitf9f33fdba159a9c163ecf1dc0106ebd4c2498130 (patch)
tree8c94a8f99c047b5cfb3eff84c15b2fb0e3cda91e
parent340481ada1af9322d99e9c1ba874391f53ff4fce (diff)
downloadlinux-f9f33fdba159a9c163ecf1dc0106ebd4c2498130.tar.xz
perf kvm: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error messages for thread-safety. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naohiro Aota <naota@elisp.net> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20140814022251.3545.83718.stgit@kbuild-fedora.novalocal Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/builtin-kvm.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 14d03edc81c2..1a4ef9cd9d5f 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -990,6 +990,7 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm)
int err, rc = -1;
struct perf_evsel *pos;
struct perf_evlist *evlist = kvm->evlist;
+ char sbuf[STRERR_BUFSIZE];
perf_evlist__config(evlist, &kvm->opts);
@@ -1026,12 +1027,14 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm)
err = perf_evlist__open(evlist);
if (err < 0) {
- printf("Couldn't create the events: %s\n", strerror(errno));
+ printf("Couldn't create the events: %s\n",
+ strerror_r(errno, sbuf, sizeof(sbuf)));
goto out;
}
if (perf_evlist__mmap(evlist, kvm->opts.mmap_pages, false) < 0) {
- ui__error("Failed to mmap the events: %s\n", strerror(errno));
+ ui__error("Failed to mmap the events: %s\n",
+ strerror_r(errno, sbuf, sizeof(sbuf)));
perf_evlist__close(evlist);
goto out;
}