[PATCH v5 05/13] perf stat: move target check to loop control statement

From: Alexey Budankov
Date: Mon Jun 01 2020 - 11:55:10 EST



Check for target existence in loop control statement jointly with 'stop'
indicator based on command line values and external asynchronous 'done'
signal.

Signed-off-by: Alexey Budankov <alexey.budankov@xxxxxxxxxxxxxxx>
---
tools/perf/builtin-stat.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 834a3d791ee5..4d03b18231d4 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -770,10 +770,8 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
psignal(WTERMSIG(status), argv[0]);
} else {
enable_counters();
- while (!done && !stop) {
+ while (!done && !stop && is_target_alive(&target, evsel_list->core.threads)) {
nanosleep(&ts, NULL);
- if (!is_target_alive(&target, evsel_list->core.threads))
- break;
stop = process_timeout(timeout, interval, &times);
}
}
--
2.24.1