Date: Sun, 1 Jan 2006 13:33:00 -0600 From: Kirk Strauser <kirk@strauser.com> To: freebsd-questions@freebsd.org Subject: What's using my system? Message-ID: <200601011334.18506.kirk@strauser.com>
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I'm staring at "top" running on my 6.0-STABLE system. It's my desktop
machine, and also serves a light web/mail load (including a few jails).
Basically, the system should be idle about 99% of the time when I'm not
actively doing something on it. And yet it's not.
The CPU never gets above about 75% idle, but top never shows any processes
doing much of anything. The "last pid" field only rarely increases, so I'm
relatively sure there's no processing forking off children that die too
quickly for top to notice them.
So, what could be using my CPU? And other than top and tailing various
logfiles, what tools could help me find out?
Example top output:
last pid: 72475; load averages: 0.26, 0.80, 1.69 =
up 28+21:59:16 13:26:30
214 processes: 4 running, 210 sleeping
CPU states: 14.7% user, 0.0% nice, 10.5% system, 3.9% interrupt, 70.9% id=
le
Mem: 752M Active, 186M Inact, 219M Wired, 63M Cache, 112M Buf, 23M Free
Swap: 4096M Total, 161M Used, 3934M Free, 3% Inuse
PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMM=
AND
61660 root 1 96 0 89288K 74624K select 37:50 1.71% Xorg
61791 kirk 1 96 0 34704K 25600K select 12:17 1.12% kdei=
nit
61822 kirk 1 96 0 40616K 28980K select 14:55 1.03% kdei=
nit
68111 kirk 1 96 0 33584K 23292K select 0:16 0.15% kdei=
nit
1525 ldap 3 20 0 134M 7136K kserel 80:59 0.00% slapd
61811 kirk 3 20 -76 16516K 10860K kserel 76:40 0.00% artsd
1442 mysql 5 20 0 59576K 2752K kserel 44:14 0.00% mysq=
ld
1449 nagios 3 20 0 3900K 1228K kserel 37:36 0.00% nagi=
os
61864 kirk 3 96 0 78260K 61128K RUN 25:34 0.00% amar=
okapp
83630 bind 1 4 0 12024K 8704K select 14:49 0.00% named
1400 mailman 1 8 0 8828K 2716K nanslp 14:15 0.00% pyth=
on2.3
1403 mailman 1 8 0 8532K 4088K nanslp 13:35 0.00% pyth=
on2.3
1397 mailman 1 8 0 9016K 2700K nanslp 12:47 0.00% pyth=
on2.3
1398 mailman 1 8 0 8792K 5216K nanslp 12:26 0.00% pyth=
on2.3
=2D-=20
Kirk Strauser
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