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-rw-r--r--tools/perf/builtin-stat.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index bd3c3de8d200..ab40d85fb125 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1007,10 +1007,20 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
goto err_out;
}
- if (WIFSIGNALED(status))
+ if (WIFSIGNALED(status)) {
+ /*
+ * We want to indicate failure to stop a repeat run,
+ * hence negative. We want the value to be the exit code
+ * of perf, which for termination by a signal is 128
+ * plus the signal number.
+ */
+ err = 0 - (128 + WTERMSIG(status));
psignal(WTERMSIG(status), argv[0]);
+ } else {
+ err = WEXITSTATUS(status);
+ }
} else {
- status = dispatch_events(forks, timeout, interval, &times);
+ err = dispatch_events(forks, timeout, interval, &times);
}
disable_counters();
@@ -1050,7 +1060,7 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
if (!STAT_RECORD)
evlist__close(evsel_list);
- return WEXITSTATUS(status);
+ return err;
err_out:
if (forks)
@@ -2969,7 +2979,7 @@ int cmd_stat(int argc, const char **argv)
evlist__reset_prev_raw_counts(evsel_list);
status = run_perf_stat(argc, argv, run_idx);
- if (status == -1)
+ if (status < 0)
break;
if (forever && !interval) {
@@ -3039,5 +3049,6 @@ out:
evlist__close_control(stat_config.ctl_fd, stat_config.ctl_fd_ack, &stat_config.ctl_fd_close);
- return status;
+ /* Only the low byte of status becomes the exit code. */
+ return abs(status);
}