From 5f9468cebfdb7b809139e7682d388f9c31297936 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Wed, 14 Nov 2007 16:59:49 -0800 Subject: 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/markers.txt | 6 ++++-- 1 file 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. -- cgit v1.2.2