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authorLi Zefan <lizf@cn.fujitsu.com>2010-01-14 10:53:21 +0800
committerSteven Rostedt <rostedt@goodmis.org>2010-01-14 22:38:05 -0500
commit285caad415f459f336247932b4db95a571357a02 (patch)
treeb4372c5336dee9919f26c61a4808ef08993a43a6 /kernel/trace
parent751e9983ee276cb150e8812b1d995f6035a63878 (diff)
downloadop-kernel-dev-285caad415f459f336247932b4db95a571357a02.zip
op-kernel-dev-285caad415f459f336247932b4db95a571357a02.tar.gz
tracing/filters: Fix MATCH_FRONT_ONLY filter matching
MATCH_FRONT_ONLY actually is a full matching: # ./perf record -R -f -a -e lock:lock_acquire \ --filter 'name ~rcu_*' sleep 1 # ./perf trace (no output) We should pass the length of the pattern string to strncmp(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> LKML-Reference: <4B4E8721.5090301@cn.fujitsu.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/trace_events_filter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 50504cb..11c3973 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -261,7 +261,7 @@ static int regex_match_full(char *str, struct regex *r, int len)
static int regex_match_front(char *str, struct regex *r, int len)
{
- if (strncmp(str, r->pattern, len) == 0)
+ if (strncmp(str, r->pattern, r->len) == 0)
return 1;
return 0;
}
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