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(parent: f123206) | patch
blk-mq: Add a polling specific stats function
authorStephen Bates <sbates@raithlin.com>
Fri, 7 Apr 2017 12:24:03 +0000 (06:24 -0600)
committerJens Axboe <axboe@fb.com>
Thu, 20 Apr 2017 21:29:40 +0000 (15:29 -0600)
commit9244886bf4276f319034196423b5c98b2ab209ed
tree6021454aba3b5323981ddacdd3fe1b77c6f33f8ftree | snapshot
parentf1232067e31ba9f5ea6842577aae788ed70dfc1dcommit | diff
blk-mq: Add a polling specific stats function

Rather than bucketing IO statisics based on direction only we also
bucket based on the IO size. This leads to improved polling
performance. Update the bucket callback function and use it in the
polling latency estimation.

Signed-off-by: Stephen Bates <sbates@raithlin.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-mq.c diff | blob | history
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