Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 82ac952b authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Arnaldo Carvalho de Melo
Browse files

tools lib traceevent: Add way to find sub buffer boundary 



For debugging purposes, it may be helpful for the kbuffer library to flag
when crossing a sub buffer.

Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20150324135923.650983637@goodmis.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent c5e69192

tools/lib/traceevent/kbuffer-parse.c

+11 −0
Original line number Diff line number Diff line
@@ -729,3 +729,14 @@ void kbuffer_set_old_format(struct kbuffer *kbuf) 


	kbuf->next_event = __old_next_event;

}



/**

 * kbuffer_start_of_data - return offset of where data starts on subbuffer

 * @kbuf:	The kbuffer

 *

 * Returns the location on the subbuffer where the data starts.

 */

int kbuffer_start_of_data(struct kbuffer *kbuf)

{

	return kbuf->start;

}

tools/lib/traceevent/kbuffer.h

+1 −0
Original line number Diff line number Diff line
@@ -63,5 +63,6 @@ int kbuffer_missed_events(struct kbuffer *kbuf); 
int kbuffer_subbuffer_size(struct kbuffer *kbuf);



void kbuffer_set_old_format(struct kbuffer *kbuf);

int kbuffer_start_of_data(struct kbuffer *kbuf);



#endif /* _K_BUFFER_H */