[PATCH 3/3] perfcounter: Align ftrace events raw samples to 8 bytes

[Frederic Weisbecker]

Align the ftrace events raw samples to 8 bytes so that they meet the
perf output event alignements requirements.

Reported-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
---
 include/trace/ftrace.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 80e5f6c..7b0834c 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -687,7 +687,7 @@ static void ftrace_profile_##call(proto)				\
 	pc = preempt_count();						\
 									\
 	__data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
-	__entry_size = __data_size + sizeof(*entry);			\
+	__entry_size = ALIGN(__data_size + sizeof(*entry), sizeof(u64));\
 									\
 	do {								\
 		char raw_data[__entry_size];				\
-- 
1.6.2.3

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