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From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>
Cc: 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 v9 08/15] perf stat: factor out body of event handling loop for fork case
Date: Fri, 3 Jul 2020 10:45:40 +0300	[thread overview]
Message-ID: <15df730e-d946-c7f8-5fb3-67c95596332f@linux.intel.com> (raw)
In-Reply-To: <a4d5db4a-f25c-38dc-1c41-321a886cb122@linux.intel.com>


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

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
---
 tools/perf/builtin-stat.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 3baf00482666..3e11f854ffc8 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -791,13 +791,11 @@ 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 = handle_interval(interval, &times);
 			}
 		}
 		if (child_pid != -1) {
-- 
2.24.1



  parent reply	other threads:[~2020-07-03  7:45 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-03  7:38 [PATCH v9 00/15] perf: support enable and disable commands in stat and record modes Alexey Budankov
2020-07-03  7:41 ` [PATCH v9 01/15] tools/libperf: avoid fds moving by fdarray__filter() Alexey Budankov
2020-07-03  7:41 ` [PATCH v9 02/15] tools/libperf: add properties to struct pollfd *entries objects Alexey Budankov
2020-07-06 12:24   ` Jiri Olsa
2020-07-06 13:05     ` Alexey Budankov
2020-07-03  7:42 ` [PATCH v9 03/15] tools/libperf: don't count nonfilterable fds by fdarray__filter() Alexey Budankov
2020-07-03  7:43 ` [PATCH v9 04/15] perf evlist: introduce control file descriptors Alexey Budankov
2020-07-03  7:43 ` [PATCH v9 05/15] perf evlist: implement control command handling functions Alexey Budankov
2020-07-03  7:44 ` [PATCH v9 06/15] perf stat: factor out body of event handling loop for system wide Alexey Budankov
2020-07-03  7:45 ` [PATCH v9 07/15] perf stat: move target check to loop control statement Alexey Budankov
2020-07-03  7:45 ` Alexey Budankov [this message]
2020-07-03  7:46 ` [PATCH v9 09/15] perf stat: factor out event handling loop into dispatch_events() Alexey Budankov
2020-07-06 12:27   ` Jiri Olsa
2020-07-06 13:07     ` Alexey Budankov
2020-07-03  7:46 ` [PATCH v9 10/15] perf stat: extend -D,--delay option with -1 value Alexey Budankov
2020-07-03  7:47 ` [PATCH v9 11/15] perf stat: implement control commands handling Alexey Budankov
2020-07-06 12:34   ` Jiri Olsa
2020-07-06 14:47     ` Alexey Budankov
2020-07-06 19:34       ` Jiri Olsa
2020-07-07 13:07         ` Alexey Budankov
2020-07-07 13:14           ` Jiri Olsa
2020-07-07 13:24             ` Alexey Budankov
2020-07-07 14:23               ` Jiri Olsa
2020-07-07 14:55                 ` Alexey Budankov
2020-07-07 16:05                   ` Jiri Olsa
2020-07-07 16:43                     ` Alexey Budankov
2020-07-07 17:19                   ` Alexey Budankov
2020-07-06 12:37   ` Jiri Olsa
2020-07-06 13:10     ` Alexey Budankov
2020-07-03  7:47 ` [PATCH v9 12/15] perf stat: introduce --control fd:ctl-fd[,ack-fd] options Alexey Budankov
2020-07-03  7:48 ` [PATCH v9 13/15] perf record: extend -D,--delay option with -1 value Alexey Budankov
2020-07-03  7:49 ` [PATCH v9 14/15] perf record: implement control commands handling Alexey Budankov
2020-07-03  7:49 ` [PATCH v9 15/15] perf record: introduce --control fd:ctl-fd[,ack-fd] options Alexey Budankov

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