31.08.2012 12:19, Eugene Grosbein пишет:
> With HEAD driver, for same test LA pikes to 8 and higher and it takes up to
> 10 seconds
> for userland applications like shell or screen(1) to respond to physical
> console events:
>
> last pid: 1335; load averages: 8.27, 4.05, 2.04 up 0+00:14:21
> 23:31:18
> 97 processes: 2 running, 83 sleeping, 12 waiting
> CPU: 0.1% user, 0.0% nice, 55.7% system, 43.6% interrupt, 0.6% idle
> Mem: 40M Active, 21M Inact, 175M Wired, 2512K Cache, 109M Buf, 749M Free
> Swap:
>
> PID USERNAME PRI NICE SIZE RES STATE TIME WCPU COMMAND
> 12 root -16 - 0K 8K sleep 1:12 44.87% ng_queue
> 11 root -28 - 0K 96K WAIT 1:45 35.60% intr{swi5: +}
> 11 root -44 - 0K 96K WAIT 1:03 18.80% intr{swi1:
> netisr 0}
> 10 root 171 ki31 0K 8K RUN 6:34 0.39% idle
> 13 root -16 - 0K 8K - 0:07 0.10% yarrow
Not very representative screenshot; in fact, interrupt rate is at 90-100% level
most of time for both of old and new vr(4) drivers during test and
that's the reason of spiking Load Average.
Eugene Grosbein
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