Messages in this thread Patch in this message | | | Date | Sat, 8 Aug 2009 11:52:42 GMT | From | tip-bot for Frederic Weisbecker <> | Subject | [tip:perfcounters/core] perf_counter: Fix ftrace events raw samples to be aligned to 8 bytes |
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Commit-ID: eba67b1fd06180d57b94bf97557d89873b0ce61e Gitweb: http://git.kernel.org/tip/eba67b1fd06180d57b94bf97557d89873b0ce61e Author: Frederic Weisbecker <fweisbec@gmail.com> AuthorDate: Sat, 8 Aug 2009 04:26:39 +0200 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Sat, 8 Aug 2009 13:49:23 +0200
perf_counter: Fix ftrace events raw samples to be aligned to 8 bytes
Align the ftrace events raw samples to 8 bytes so that they meet the perf output event alignment requirements.
Reported-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1249698400-5441-6-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
--- 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 bbf9042..7fb16d9 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -685,7 +685,7 @@ 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]; \
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