Date: Tue, 05 Sep 2006 11:45:58 +0400 From: Vladimir Grebenschikov <vova@fbsd.ru> To: current <current@freebsd.org> Subject: wired top (and others) behavior - broken CPU usage reporting ? Message-ID: <1157442358.2048.6.camel@localhost>
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Hi
I have notice that it is no more possible to find what process is eats
all CPU time with top, vmstat and tools like that. This happens with
current some (big) time ago.
See here vmstat (vm mode) output:
3.3%Sys 0.8%Intr 95.9%User 0.0%Nice 0.0%Idle %ozfod 128
rtc irq8
| | | | | | | | | | | daefr 66
cbb0 pcm0+
==>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> prcfr 1
ata0 irq14
33 dtbuf 47 totfr
ata1 irq15
Namei Name-cache Dir-cache 69694 desvn react
Calls hits % hits % 15144 numvn pdwak
1259 1259 100 9063 frevn pdpgs
intrn
99.5% CPU used in user space.
now top output (sorted by CPU):
last pid: 2024; load averages: 1.03, 0.65, 0.40 up 0+01:28:34
11:38:50
120 processes: 4 running, 116 sleeping
CPU states: 95.7% user, 0.0% nice, 3.5% system, 0.8% interrupt, 0.0%
idle
Mem: 589M Active, 209M Inact, 146M Wired, 512K Cache, 111M Buf, 46M Free
Swap: 1200M Total, 1200M Free
PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU
COMMAND
927 root 1 97 0 52084K 28172K select 1:02 2.98% Xorg
1128 vova 1 96 0 21172K 13676K select 0:10 0.98%
metacity
1252 vova 1 96 0 38024K 29884K select 1:56 0.63%
skype_bin
1386 vova 11 126 0 516M 470M RUN 3:42 0.00%
evolution-2.6
1134 vova 3 20 0 21540K 13496K kserel 1:38 0.00%
gkrellm
1113 vova 1 96 0 19592K 9604K select 0:17 0.00%
at-spi-registryd
1327 vova 1 96 0 34464K 24668K select 0:10 0.00% sim
1323 vova 1 96 0 24552K 17212K select 0:09 0.00%
cpufreq-applet
...
No any idea who eats these 95.5% of CPU time.
Same picture on vmstat's pigs screen.
I know that this process is actually evolution, and if I kill it system
load drops, but why it is not shown by top (and other).
Any hints about it ?
--
Vladimir B. Grebenschikov
vova@fbsd.ru
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