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(parent: 9928815) | patch
kyber: add tracepoints
authorOmar Sandoval <osandov@fb.com>
Thu, 27 Sep 2018 22:55:55 +0000 (15:55 -0700)
committerJens Axboe <axboe@kernel.dk>
Thu, 27 Sep 2018 23:34:59 +0000 (17:34 -0600)
commitf46ee4a1c670f50b16c9640d10aea05764227a35
tree9854b83cbab19565d416620bd303c38847f2e856tree | snapshot
parent9928815a9642cd7c3be7e973a17ce00e65aa6565commit | diff
kyber: add tracepoints

When debugging Kyber, it's really useful to know what latencies we've
been having, how the domain depths have been adjusted, and if we've
actually been throttling. Add three tracepoints, kyber_latency,
kyber_adjust, and kyber_throttled, to record that.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/kyber-iosched.c diff | blob | history
include/trace/events/kyber.h [new file with mode: 0644] blob
Linux Kernel Source Tree.