git: kernel - Offset the scheduler clock systimers
Aaron LI
aly at crater.dragonflybsd.org
Sat Jun 26 01:32:17 PDT 2021
commit 4341238d96cd2b78c94d6dd1aaf3936c68f006db
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date: Thu Jun 24 00:09:53 2021 -0700
kernel - Offset the scheduler clock systimers
* Offset the scheduler clock systimers slightly on each cpu so they
do not all fire at the same time. This is an attempt to reduce
qemu contention due to its global I/O mutex.
Note that the hz and stathz main system clocks already use this
feature.
Summary of changes:
sys/kern/kern_clock.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4341238d96cd2b78c94d6dd1aaf3936c68f006db
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