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Commit 35550da3 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Arnaldo Carvalho de Melo
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perf record: Use strerror_r instead of strerror 



Use strerror_r instead of strerror in error messages for thread-safety.

Signed-off-by: default avatarMasami 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/20140814022243.3545.7411.stgit@kbuild-fedora.novalocal


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 942a91ed

tools/perf/builtin-record.c

+4 −3
Original line number Diff line number Diff line
@@ -161,7 +161,7 @@ static int record__open(struct record *rec) 


	if (perf_evlist__apply_filters(evlist)) {

		error("failed to set filter with %d (%s)\n", errno,

			strerror(errno));

			strerror_r(errno, msg, sizeof(msg)));

		rc = -1;

		goto out;

	}
@@ -175,7 +175,8 @@ static int record__open(struct record *rec) 
			       "(current value: %u)\n", opts->mmap_pages);

			rc = -errno;

		} else {

			pr_err("failed to mmap with %d (%s)\n", errno, strerror(errno));

			pr_err("failed to mmap with %d (%s)\n", errno,

				strerror_r(errno, msg, sizeof(msg)));

			rc = -errno;

		}

		goto out;
@@ -480,7 +481,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) 
	}



	if (forks && workload_exec_errno) {

		char msg[512];

		char msg[STRERR_BUFSIZE];

		const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg));

		pr_err("Workload failed: %s\n", emsg);

		err = -1;