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authorJiri Olsa <jolsa@redhat.com>2012-11-13 15:32:58 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-11-14 16:52:24 -0300
commit534123f458f196bcc269f97d20ccf125925c2e7b (patch)
treec9da5a679374bc971b734f5ad4d43b3fc16dd76b /tools/perf/util/parse-events.l
parent3fe4430dd66837d8fcdb63c167e908655fc842e3 (diff)
perf tools: Add basic event modifier sanity check
Updating event parser to allow any non zero string containing [ukhpGH] characters for event modifier. The modifier sanity is checked later in parse-event object logic. The check validates modifier to contain only one instance of any modifier (apart from 'p') present. v2: - added length check suggested Namhyung Kim Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20121113143258.GA2481@krava.brq.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/parse-events.l')
-rw-r--r--tools/perf/util/parse-events.l2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 66959fab663..e9d1134c2c6 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -82,7 +82,7 @@ num_hex 0x[a-fA-F0-9]+
num_raw_hex [a-fA-F0-9]+
name [a-zA-Z_*?][a-zA-Z0-9_*?]*
name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?]*
-modifier_event [ukhpGH]{1,8}
+modifier_event [ukhpGH]+
modifier_bp [rwx]{1,3}
%%