linux-kernel - [tip:perf/core] perf session: Add missing sample flush for piped events

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Date:	Wed, 23 Oct 2013 00:53:27 -0700
From:	tip-bot for Adrian Hunter <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, eranian@...gle.com,
	paulus@...ba.org, mingo@...hat.com, hpa@...or.com,
	mingo@...nel.org, a.p.zijlstra@...llo.nl, efault@....de,
	namhyung@...il.com, jolsa@...hat.com, fweisbec@...il.com,
	adrian.hunter@...el.com, dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf session:
  Add missing sample flush for piped events

Commit-ID:  8c16b649606ff9f6d742ad6f71c76fc0ee996c8e
Gitweb:     http://git.kernel.org/tip/8c16b649606ff9f6d742ad6f71c76fc0ee996c8e
Author:     Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Fri, 18 Oct 2013 15:29:02 +0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 21 Oct 2013 11:19:07 -0300

perf session: Add missing sample flush for piped events

Piped events can be sorted so a final flush is needed.

Add that and remove a redundant 'err = 0'.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Reviewed-by: Jiri Olsa <jolsa@...hat.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1382099356-4918-6-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/session.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index d1e4495..d51e62d 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1263,7 +1263,9 @@ more:
 	if (!session_done())
 		goto more;
 done:
-	err = 0;
+	/* do the final flush for ordered samples */
+	self->ordered_samples.next_flush = ULLONG_MAX;
+	err = flush_sample_queue(self, tool);
 out_err:
 	free(buf);
 	perf_session__warn_about_errors(self, tool);
@@ -1392,13 +1394,13 @@ more:
 				    "Processing events...");
 	}
 
-	err = 0;
 	if (session_done())
-		goto out_err;
+		goto out;
 
 	if (file_pos < file_size)
 		goto more;
 
+out:
 	/* do the final flush for ordered samples */
 	session->ordered_samples.next_flush = ULLONG_MAX;
 	err = flush_sample_queue(session, tool);
--
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