'top' shows wrong CPU usage
KES
kes-kes at yandex.ru
Wed Jan 21 12:08:24 PST 2009
Hello, Freebsd-questions.
top shows often nonsense in CPU usage of a process, but totals are OK
and it seems that WCPU and CPU has no differences in results
top -S
last pid: 66182; load averages: 2.51, 2.15, 2.03 up 10+23:40:14 22:05:41
798 processes: 6 running, 772 sleeping, 1 zombie, 18 waiting, 1 lock
CPU: 4.4% user, 0.0% nice, 14.8% system, 16.7% interrupt, 64.0% idle
Mem: 264M Active, 60M Inact, 147M Wired, 6968K Cache, 60M Buf, 9888K Free
Swap: 2048M Total, 1903M Used, 145M Free, 92% Inuse
PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND
11 root 1 171 ki31 0K 8K RUN 104.1H 88.48% idle: cpu0
66178 firebird 1 49 0 23120K 5828K select 0:00 1.37% fb_inet_server
66159 firebird 1 48 0 23120K 5760K select 0:01 1.17% fb_inet_server
5156 root 1 44 0 9024K 544K select 57:39 0.68% snmpd
66182 root 1 44 0 4556K 2608K RUN 0:00 0.68% top
66147 root 1 8 0 3124K 840K nanslp 0:00 0.59% monitord
66138 firebird 1 44 0 23120K 5736K select 0:01 0.49% fb_inet_server
75745 www 1 44 0 24628K 9500K select 5:05 0.29% python2.5
66180 firebird 1 46 0 23120K 5852K select 0:00 0.10% fb_inet_server
#top -S -C
last pid: 66209; load averages: 2.13, 2.10, 2.02 up 10+23:41:07 22:06:34
814 processes: 6 running, 788 sleeping, 1 zombie, 18 waiting, 1 lock
CPU: 9.3% user, 0.0% nice, 13.4% system, 12.8% interrupt, 64.5% idle
Mem: 269M Active, 56M Inact, 148M Wired, 12M Cache, 60M Buf, 3700K Free
Swap: 2048M Total, 1903M Used, 145M Free, 92% Inuse
PID USERNAME THR PRI NICE SIZE RES STATE TIME CPU COMMAND
11 root 1 171 ki31 0K 8K RUN 104.1H 92.29% idle: cpu0
66138 firebird 1 49 0 23120K 5556K select 0:01 1.46% fb_inet_server
66180 firebird 1 44 0 23120K 5612K select 0:01 0.59% fb_inet_server
66209 root 1 44 0 4556K 2556K RUN 0:00 0.59% top
66179 firebird 1 44 0 23120K 5624K select 0:01 0.49% fb_inet_server
5156 root 1 44 0 9024K 544K select 57:39 0.39% snmpd
66147 root 1 8 0 3124K 840K nanslp 0:01 0.39% monitord
66178 firebird 1 44 0 23120K 5584K select 0:01 0.20% fb_inet_server
12 root 1 -44 - 0K 8K WAIT 126.8H 0.00% swi1: net
42 root 1 -68 - 0K 8K - 219:53 0.00% dummynet
--
KES mailto:kes-kes at yandex.ru
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