From 7bb4ff05c0909bdbbdbce745c08801ef10f9bcea Mon Sep 17 00:00:00 2001
From: Alexey Budankov <alexey.budankov@linux.intel.com>
Date: Fri, 17 Jul 2020 10:02:42 +0300
Subject: perf stat: Move target check to loop control statement

Check for target existence in loop control statement jointly external
asynchronous 'done' signal.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/79037528-578c-af64-f06c-a644b7f5ba6a@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-stat.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'tools/perf')

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 80aea49e4dac..87eebf3f55ae 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -815,10 +815,8 @@ try_again_reset:
 			psignal(WTERMSIG(status), argv[0]);
 	} else {
 		enable_counters();
-		while (!done) {
+		while (!done && is_target_alive(&target, evsel_list->core.threads)) {
 			nanosleep(&ts, NULL);
-			if (!is_target_alive(&target, evsel_list->core.threads))
-				break;
 			if (timeout || handle_interval(interval, &times))
 				break;
 		}
-- 
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