From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Subject: [patch 2/3] Linux Kernel Markers - Document format string
Date: Tue, 13 Nov 2007 13:39:25 -0500 [thread overview]
Message-ID: <20071113184248.434573812@polymtl.ca> (raw)
In-Reply-To: 20071113183923.190808360@polymtl.ca
[-- Attachment #1: markers-document-markers-format-strings.patch --]
[-- Type: text/plain, Size: 1369 bytes --]
Describes the format string standard further: Use of field names before the type
specifiers..
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---
Documentation/markers.txt | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
Index: linux-2.6-lttng/Documentation/markers.txt
===================================================================
--- linux-2.6-lttng.orig/Documentation/markers.txt 2007-11-11 22:04:50.000000000 -0500
+++ linux-2.6-lttng/Documentation/markers.txt 2007-11-11 22:04:57.000000000 -0500
@@ -35,12 +35,14 @@ In order to use the macro trace_mark, yo
And,
-trace_mark(subsystem_event, "%d %s", someint, somestring);
+trace_mark(subsystem_event, "myint %d mystring %s", someint, somestring);
Where :
- subsystem_event is an identifier unique to your event
- subsystem is the name of your subsystem.
- event is the name of the event to mark.
-- "%d %s" is the formatted string for the serializer.
+- "myint %d mystring %s" is the formatted string for the serializer. "myint" and
+ "mystring" are repectively the field names associated with the first and
+ second parameter.
- someint is an integer.
- somestring is a char pointer.
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2007-11-13 18:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-13 18:39 [patch 0/3] Linux Kernel Markers Fixes Mathieu Desnoyers
2007-11-13 18:39 ` [patch 1/3] Linux Kernel Markers - Fix marker mutex not taken upon module load Mathieu Desnoyers
2007-11-13 18:39 ` Mathieu Desnoyers [this message]
2007-11-13 18:39 ` [patch 3/3] Linux Kernel Markers - fix samples to follow format string standard Mathieu Desnoyers
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