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(parent: 582f04e) | patch
bfq: Log waker detections
authorJan Kara <jack@suse.cz>
Thu, 25 Nov 2021 13:36:40 +0000 (14:36 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 29 Nov 2021 13:39:31 +0000 (06:39 -0700)
commit1eb17f5e15b73669df635fb07df2853cb1244a69
tree2ee1262e2fcdda982a1109cf027190554c9bdccatree | snapshot
parent582f04e19ad7b41df993c669805e48a01bcd9c5bcommit | diff
bfq: Log waker detections

Waker - wakee relationships are important in deciding whether one queue
can preempt the other one. Print information about detected waker-wakee
relationships so that scheduling decisions can be better understood from
block traces.

Acked-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20211125133645.27483-7-jack@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/bfq-iosched.c diff | blob | history
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