linux-kernel - [PATCH] Re: [PATCH] trace: don't print an extra separator of flags

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Message-Id: <1329770610-703006-1-git-send-email-avagin@openvz.org>
Date:	Mon, 20 Feb 2012 23:43:30 +0300
From:	Andrew Vagin <avagin@...nvz.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, avagin@...nvz.org,
	Ingo Molnar <mingo@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: [PATCH] Re: [PATCH] trace: don't print an extra separator of flags

> Could you send me that patch. Or a change to the kernel that shows the
> problemi.

Without my patch:
    event-sample-1731  [000] ...1 546886.253576: foo_bar: foo hello 3 |A B
    event-sample-1731  [000] ...1 546887.253677: foo_bar: foo hello 4 |A B

With my patch:
    event-sample-1731  [000] ...1 546886.253576: foo_bar: foo hello 3 A B
    event-sample-1731  [000] ...1 546887.253677: foo_bar: foo hello 4 A B


---
 samples/trace_events/trace-events-sample.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index 6af3732..812be4b 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -90,7 +90,7 @@ TRACE_EVENT(foo_bar,
 		__entry->bar	= bar;
 	),
 
-	TP_printk("foo %s %d", __entry->foo, __entry->bar)
+	TP_printk("foo %s %d %s %s", __entry->foo, __entry->bar, __print_flags(1, "|", {1, "A"}), __print_flags(2, "&", {2, "B"}))
 );
 #endif
 
-- 
1.7.1

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