Date: Sat, 9 Oct 2010 20:05:48 +0300 From: =?windows-1251?B?yu7t/Oru4iDF4uPl7ejp?= <kes-kes@yandex.ru> To: FreeBSD <freebsd-questions@freebsd.org> Subject: How to obtain which interrupts cause system to hang? Message-ID: <783674951.20101009200548@yandex.ru>
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Hello, all.
#systat -v
1 users Load 0.74 0.71 0.55 Oct 9 19:53
Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER
Tot Share Tot Share Free in out in out
Act 344564 20024 682912 25008 666084 count
All 365928 20456 1074476k 26504 pages
Proc: Interrupts
r p d s w Csw Trp Sys Int Sof Flt 24 cow 2008 total
2 3 39 23k 67 563 9 1710 47 15 zfod 9 ata0 irq14
ozfod nfe0 irq23
23.1%Sys 50.8%Intr 1.3%User 0.0%Nice 24.8%Idle %ozfod 1999 cpu0: time
| | | | | | | | | | | daefr
============+++++++++++++++++++++++++> 6 prcfr
2 dtbuf 38 totfr
Namei Name-cache Dir-cache 100000 desvn react
Calls hits % hits % 85834 numvn pdwak
142 142 100 24988 frevn pdpgs
intrn
Disks ad0 257868 wire
KB/t 15.48 312852 act
tps 11 785308 inact
MB/s 0.16 468 cache
%busy 1 665636 free
#top
last pid: 24571; load averages: 0.10, 0.49, 0.50 up 0+19:15:01 19:56:36
42 processes: 3 running, 39 sleeping
CPU: 0.7% user, 0.0% nice, 21.0% system, 36.3% interrupt, 41.9% idle
Mem: 305M Active, 767M Inact, 252M Wired, 468K Cache, 213M Buf, 650M Free
Swap: 4063M Total, 4063M Free
PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND
1054 bind 4 4 0 134M 109M kqread 0:51 0.00% named
986 root 1 44 0 5692K 1408K RUN 0:50 0.00% syslogd
1162 clamav 1 4 0 4616K 1468K accept 0:46 0.00% smtp-gated
11731 clamav 1 20 0 27948K 9728K pause 0:03 0.00% freshclam
11791 root 1 -58 0 7848K 4120K bpf 0:02 0.00% arpwatch
13208 root 1 44 0 10700K 4144K select 0:01 0.00% sendmail
13298 root 1 8 0 6748K 1440K nanslp 0:00 0.00% cron
12802 root 1 44 0 22880K 4004K select 0:00 0.00% sshd
How to obtain what nasty happen, which process take 36-50% of CPU
resource?
--
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