On 08/22/2010 23:20, Andriy Gapon wrote:
on 23/08/2010 06:17 Doug Barton said the following:
http://people.freebsd.org/~dougb/intr-out-3.txt
So, hm, npviewer.bin eats all the CPU time?
No, the odd bits of that one are the fact that the intr threads irq17,
irq256, and irq20; are showing up at all, and/or showing up with more
than a fraction of a percent of cpu time. Usually they don't, and the
fact that they did at that point in time was indicative of the fact that
the "runaway intr" problem was happening. _Incidentally_ npviewer.bin
was taking up more cpu than it usually does, but I think that's another
symptom of the underlying problem.
Here is a typical, non-problematic top output while running a flash video:
last pid: 10841; load averages: 0.22, 0.12, 0.19 up 0+04:15:49
23:46:11
171 processes: 3 running, 148 sleeping, 20 waiting
CPU 0: 14.8% user, 0.0% nice, 3.1% system, 0.0% interrupt, 82.0% idle
CPU 1: 18.8% user, 0.0% nice, 0.0% system, 0.0% interrupt, 81.3% idle
Mem: 342M Active, 1397M Inact, 168M Wired, 49M Cache, 112M Buf, 45M Free
Swap: 1024M Total, 1444K Used, 1022M Free
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
10 root 171 ki31 0K 16K CPU0 0 203:29 82.86% {idle:
cpu0}
10 root 171 ki31 0K 16K RUN 1 191:24 81.05% {idle:
cpu1}
10813 dougb 54 0 420M 78196K select 0 0:18 17.77% npviewer.bin
10822 dougb 47 0 420M 78196K futex 1 0:05 6.30% npviewer.bin
10839 dougb 45 0 420M 78196K futex 1 0:03 3.66% npviewer.bin
10840 dougb 45 0 420M 78196K futex 1 0:03 3.66% npviewer.bin
10832 dougb 45 0 420M 78196K pcmwrv 1 0:03 2.88% npviewer.bin
1598 dougb 44 0 163M 142M select 1 12:06 1.56% Xorg
11 root -68 - 0K 160K WAIT 1 1:10 0.49% {irq17:
wpi0}
10770 dougb 44 0 178M 136M ucond 0 0:00 0.39%
{firefox-bin}
10770 dougb 45 0 178M 136M select 1 0:15 0.29% {initial
thread
11 root -80 - 0K 160K WAIT 0 0:45 0.10%
{irq256: hdac0}
I really wish people would stop focusing on flash here. :) It's simply
the easiest and most consistent way that I have triggered this problem,
it's not the only one.
Doug
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