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| author | Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> | 2007-11-14 16:59:49 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-14 18:45:40 -0800 |
| commit | 5f9468cebfdb7b809139e7682d388f9c31297936 (patch) | |
| tree | 853abd4416ec11a8774598ebdbd0bdfd42300092 /Documentation | |
| parent | 314de8a9e17f70243eacc80d2dd22a5d74b09fce (diff) | |
| download | lwn-5f9468cebfdb7b809139e7682d388f9c31297936.tar.gz lwn-5f9468cebfdb7b809139e7682d388f9c31297936.zip | |
Linux Kernel Markers: document format string
Describes the format string standard further: Use of field names before the
type specifiers..
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/markers.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/markers.txt b/Documentation/markers.txt index 295a71bc301e..d9f50a19fa0c 100644 --- a/Documentation/markers.txt +++ b/Documentation/markers.txt @@ -35,12 +35,14 @@ In order to use the macro trace_mark, you should include linux/marker.h. 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. |