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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2018-03-09 19:52:11 +0300 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2018-03-19 14:58:37 -0500 |
| commit | b741ae74170643de0fec3005c717e3a397c3e034 (patch) | |
| tree | d16b50a589fb7f94c48970612b84f1bac84903d6 /blockdev.c | |
| parent | d003f7a8f9cafe50119975844fa01afc2baf41fb (diff) | |
| download | qemu-b741ae74170643de0fec3005c717e3a397c3e034.tar.gz | |
block/accounting: introduce latency histogram
Introduce latency histogram statics for block devices.
For each accounted operation type, the latency region [0, +inf) is
divided into subregions by several points. Then, calculate
hits for each subregion.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180309165212.97144-2-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'blockdev.c')
0 files changed, 0 insertions, 0 deletions