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authorLi Zefan <lizf@cn.fujitsu.com>2010-05-24 16:22:49 +0800
committerSteven Rostedt <rostedt@goodmis.org>2010-06-28 17:12:46 -0400
commit8728fe501ed562c1b46dde3c195eadec77bca033 (patch)
treec911b4a6af85817ba6bdf3342cbae4838c14b1bb /kernel/trace/trace.h
parentc9642c49aae1272d7c24008a40ae614470b957a6 (diff)
tracing: Don't allocate common fields for every trace events
Every event has the same common fields, so it's a big waste of memory to have a copy of those fields for every event. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> LKML-Reference: <4BFA3759.30105@cn.fujitsu.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 01ce088c1cd..cc90ccdad46 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -698,6 +698,8 @@ struct filter_pred {
int pop_n;
};
+extern struct list_head ftrace_common_fields;
+
extern enum regex_type
filter_parse_regex(char *buff, int len, char **search, int *not);
extern void print_event_filter(struct ftrace_event_call *call,