linux-kernel - [PATCH 03/10] perf session: Dont queue events w/o timestamps

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Message-Id: <1291918376-18261-4-git-send-email-acme@infradead.org>
Date:	Thu,  9 Dec 2010 16:12:50 -0200
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ian Munsie <imunsie@....ibm.com>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 03/10] perf session: Dont queue events w/o timestamps

From: Thomas Gleixner <tglx@...utronix.de>

If the event has no timestamp assigned then the parse code sets it to
~0ULL which causes the ordering code to enqueue it at the end.

Process it right away.

Reported-by: Ian Munsie <imunsie@....ibm.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ian Munsie <imunsie@....ibm.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Peter Zijlstra <peterz@...radead.org>
LKML-Reference: <20101207124550.528788441@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/session.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index b3b145a..e5d0ed9 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -603,7 +603,7 @@ static int perf_session_queue_event(struct perf_session *s, event_t *event,
 	u64 timestamp = data->time;
 	struct sample_queue *new;
 
-	if (!timestamp)
+	if (!timestamp || timestamp == ~0ULL)
 		return -ETIME;
 
 	if (timestamp < s->ordered_samples.last_flush) {
-- 
1.6.2.5

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