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

[tip-bot for Adrian Hunter <tipbot@zytor.com>]

Commit-ID:  8c16b649606ff9f6d742ad6f71c76fc0ee996c8e
Gitweb:     http://git.kernel.org/tip/8c16b649606ff9f6d742ad6f71c76fc0ee996c8e
Author:     Adrian Hunter <adrian.hunter@intel.com>
AuthorDate: Fri, 18 Oct 2013 15:29:02 +0300
Committer:  Arnaldo Carvalho de Melo <acme@redhat.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@intel.com>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.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@redhat.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);