diff options
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 8 | ||||
| -rw-r--r-- | kernel/trace/trace.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b15436ff85e8..90ae3140756e 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6972,6 +6972,14 @@ static int tracing_time_stamp_mode_open(struct inode *inode, struct file *file) return ret; } +u64 tracing_event_time_stamp(struct trace_buffer *buffer, struct ring_buffer_event *rbe) +{ + if (rbe == this_cpu_read(trace_buffered_event)) + return ring_buffer_time_stamp(buffer, smp_processor_id()); + + return ring_buffer_event_time_stamp(buffer, rbe); +} + /* * Set or disable using the per CPU trace_buffer_event when possible. */ diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f2a7a72825c7..0d8f54f49a3a 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -372,6 +372,7 @@ extern int tracing_check_open_get_tr(struct trace_array *tr); extern struct trace_array *trace_array_find(const char *instance); extern struct trace_array *trace_array_find_get(const char *instance); +extern u64 tracing_event_time_stamp(struct trace_buffer *buffer, struct ring_buffer_event *rbe); extern int tracing_set_filter_buffering(struct trace_array *tr, bool set); extern int tracing_set_clock(struct trace_array *tr, const char *clockstr); |