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| author |   Jeff Moyer <jmoyer@redhat.com> | 2016-06-08 08:55:34 -0600 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2016-06-08 08:55:34 -0600 |
| commit | 9a7f38c42c2b92391d9dabaf9f51df7cfe5608e4 (patch) | |
| tree | be1306256203e951448399175af96a53175cef9a /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH (diff) | |
| download | wireguard-linux-9a7f38c42c2b92391d9dabaf9f51df7cfe5608e4.tar.xz wireguard-linux-9a7f38c42c2b92391d9dabaf9f51df7cfe5608e4.zip | |
cfq-iosched: Convert from jiffies to nanoseconds
Convert all time-keeping in CFQ IO scheduler from jiffies to nanoseconds
so that we can later make the intervals more fine-grained than jiffies.
One jiffie is several miliseconds and even for today's rotating disks
that is a noticeable amount of time and thus we leave disk unnecessarily
idle.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions