[PATCH v7 06/13] perf stat: factor out body of event handling loop for fork case

From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>, Andi Kleen <ak@linux.intel.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH v7 06/13] perf stat: factor out body of event handling loop for fork case
Date: Wed, 3 Jun 2020 18:57:09 +0300	[thread overview]
Message-ID: <13c8fcb0-e97c-110a-6c10-e92145a7d374@linux.intel.com> (raw)
In-Reply-To: <5de4b954-24f0-1e8d-5a0d-7b12783b8218@linux.intel.com>


Factor out body of event handling loop for fork case reusing
process_timeout() function.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
---
 tools/perf/builtin-stat.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 62bad2df13ba..3bc538576607 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -798,13 +798,9 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
 		enable_counters();
 
 		if (interval || timeout) {
-			while (!waitpid(child_pid, &status, WNOHANG)) {
+			while (!stop && !waitpid(child_pid, &status, WNOHANG)) {
 				nanosleep(&ts, NULL);
-				if (timeout)
-					break;
-				process_interval();
-				if (interval_count && !(--times))
-					break;
+				stop = process_timeout(timeout, interval, &times);
 			}
 		}
 		if (child_pid != -1) {
-- 
2.24.1


