Compute two new metrics. Disk load, the average number of transactions
authorimp <imp@FreeBSD.org>
Fri, 30 Sep 2016 17:49:04 +0000 (17:49 +0000)
committerimp <imp@FreeBSD.org>
Fri, 30 Sep 2016 17:49:04 +0000 (17:49 +0000)
commit626afb08ea45205fcf0c36f8c0e4484366513a4b
tree2ef6c9c19b34b2105a90ec7f70c550dcf9012a02
parentc476d88ab3d24aea7dc0796cbda065f94ef7d309
Compute two new metrics. Disk load, the average number of transactions
we have queued up normaliazed to the queue size. Also compute buckets
of latency to help compute, in userland, estimates of Median, P90, P95
and P99 values.

Sponsored by: Netflix, Inc
sys/cam/cam_iosched.c