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| author | Justin TerAvest <teravest@google.com> | 2011-03-12 16:54:00 +0100 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-03-12 16:54:00 +0100 |
| commit | 167400d34070ebbc408dc0f447c4ddb4bf837360 (patch) | |
| tree | 19100b0511a7e3e18f6f61d90a5fe5f1c40f59c4 /block/cfq.h | |
| parent | 1f940bdfc0d03265d178d9dfd840d854819f797d (diff) | |
| download | lwn-167400d34070ebbc408dc0f447c4ddb4bf837360.tar.gz lwn-167400d34070ebbc408dc0f447c4ddb4bf837360.zip | |
blk-cgroup: Add unaccounted time to timeslice_used.
There are two kind of times that tasks are not charged for: the first
seek and the extra time slice used over the allocated timeslice. Both
of these exported as a new unaccounted_time stat.
I think it would be good to have this reported in 'time' as well, but
that is probably a separate discussion.
Signed-off-by: Justin TerAvest <teravest@google.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/cfq.h')
| -rw-r--r-- | block/cfq.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/block/cfq.h b/block/cfq.h index 54a6d90f8e8c..2a155927e37c 100644 --- a/block/cfq.h +++ b/block/cfq.h @@ -16,9 +16,9 @@ static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg, } static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg, - unsigned long time) + unsigned long time, unsigned long unaccounted_time) { - blkiocg_update_timeslice_used(blkg, time); + blkiocg_update_timeslice_used(blkg, time, unaccounted_time); } static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg) @@ -85,7 +85,7 @@ static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg, unsigned long dequeue) {} static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg, - unsigned long time) {} + unsigned long time, unsigned long unaccounted_time) {} static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg) {} static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg, bool direction, bool sync) {} |