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| author | Ingo Molnar <mingo@kernel.org> | 2012-07-06 11:12:17 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-07-06 11:12:17 +0200 |
| commit | 35c2f48c66d9c1b8d794c3936c3be22aa7c89adb (patch) | |
| tree | de0233d45fec273920bce0bc8640465cbf439600 /kernel/trace/trace.h | |
| parent | 47fbc518a4b5c9a949f7cab8b14a00d3549bf138 (diff) | |
| parent | a5fb833172eca69136e9ee1ada778e404086ab8a (diff) | |
| download | kernel_replicant_linux-35c2f48c66d9c1b8d794c3936c3be22aa7c89adb.tar.gz kernel_replicant_linux-35c2f48c66d9c1b8d794c3936c3be22aa7c89adb.tar.bz2 kernel_replicant_linux-35c2f48c66d9c1b8d794c3936c3be22aa7c89adb.zip | |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core
Pull tracing updates from Steve Rostedt.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 5aec220d2de0..55e1f7f0db12 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -317,6 +317,14 @@ struct tracer { #define TRACE_PIPE_ALL_CPU -1 +static inline struct ring_buffer_iter * +trace_buffer_iter(struct trace_iterator *iter, int cpu) +{ + if (iter->buffer_iter && iter->buffer_iter[cpu]) + return iter->buffer_iter[cpu]; + return NULL; +} + int tracer_init(struct tracer *t, struct trace_array *tr); int tracing_is_enabled(void); void trace_wake_up(void); |