Allows perf to clean up properly on program termination.
Signed-off-by: David Ahern <dsah...@gmail.com>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Peter Zijlstra <pet...@infradead.org>
---
tools/perf/builtin-stat.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index d53d8ab..02f49eb 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -428,7 +428,7 @@ static int run_perf_stat(int argc __used, const char **argv)
if (forks && (pipe(child_ready_pipe) < 0 || pipe(go_pipe) < 0)) {
perror("failed to create pipes");
- exit(1);
+ return -1;
}
if (forks) {
@@ -510,7 +510,8 @@ static int run_perf_stat(int argc __used, const char **argv)
}
if (child_pid != -1)
kill(child_pid, SIGTERM);
- die("Not all events could be opened.\n");
+
+ pr_err("Not all events could be opened.\n");
return -1;
}
counter->supported = true;
@@ -1189,7 +1190,7 @@ int cmd_stat(int argc, const char **argv, const char
*prefix __used)
output = fopen(output_name, mode);
if (!output) {
perror("failed to create output file");
- exit(-1);
+ return -1;
}
clock_gettime(CLOCK_REALTIME, &tm);
fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));
--
1.7.10.1
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