Alexey Popov wrote:
Hi.
Ivan Voras wrote:
CPU states: 9.5% user, 0.0% nice, 82.0% system, 0.5% interrupt, 8.0%
idle
A wild idea that might not help: try reducing kern.hz in loader.conf to
something like 100 and see if something significant changes.
Now it runs with hz=100, number of context switches became ~ 2 times
less, but still there's 90% system CPU load (see attach).
System CPU usage doesn't tell you anything by itself, you need to look
at how much work the system is actually doing (pages served/second, or
whatever). For example, when your kernel is getting more work done,
system CPU usage will also be higher.
Kris
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