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(parent: d07781c) | 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)
commitb0bd483ddffe0b19ff46f6bde4e9a78569c2d151
tree9854b83cbab19565d416620bd303c38847f2e856tree | snapshot
parentd07781c3c9d0210e09d2be781e55068cfa5198b4commit | 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.