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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-08-10 11:16:52 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-10 11:33:09 +0200
commita044560c3a1f0ad75ce685c1ed7604820b9ed319 (patch)
tree51fa4979ad02d388b35e1a56020bfbd8c2e5329d /include
parentc0a8865e32c8d1a562db38e06ef31ef23282f646 (diff)
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perf_counter: Correct PERF_SAMPLE_RAW output
PERF_SAMPLE_* output switches should unconditionally output the correct format, as they are the only way to unambiguously parse the PERF_EVENT_SAMPLE data. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1249896447.17467.74.camel@twins> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
-rw-r--r--include/linux/perf_counter.h2
-rw-r--r--include/trace/ftrace.h3
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 2aabe43c1d04..a9d823a93fe8 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -369,6 +369,8 @@ enum perf_event_type {
*
* { u64 nr,
* u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN
+ * { u32 size;
+ * char data[size];}&& PERF_SAMPLE_RAW
* };
*/
PERF_EVENT_SAMPLE = 9,
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 7fb16d90e7b1..7167b9b97da2 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -685,7 +685,8 @@ static void ftrace_profile_##call(proto) \
pc = preempt_count(); \
\
__data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
- __entry_size = ALIGN(__data_size + sizeof(*entry), sizeof(u64));\
+ __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
+ sizeof(u64)); \
\
do { \
char raw_data[__entry_size]; \