diff options
| author | Jun'ichi Nomura <[email protected]> | 2013-09-21 13:57:47 -0600 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2013-09-21 13:57:47 -0600 |
| commit | 75afb352991ff1cd3cf5955bfe611de6d83a0c87 (patch) | |
| tree | 2873c9fa5c098c4dd5134f395207af9463cc21d9 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 7652113c2f508b1c8176640dcd034730fe79bc48 (diff) | |
block: Add nr_bios to block_rq_remap tracepoint
Adding the number of bios in a remapped request to 'block_rq_remap'
tracepoint.
Request remapper clones bios in a request to track the completion
status of each bio. So the number of bios can be useful information
for investigation.
Related discussions:
http://www.redhat.com/archives/dm-devel/2013-August/msg00084.html
http://www.redhat.com/archives/dm-devel/2013-September/msg00024.html
Signed-off-by: Jun'ichi Nomura <[email protected]>
Acked-by: Mike Snitzer <[email protected]>
Cc: Jens Axboe <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions