What's using my system?

[Chris]

Kirk Strauser wrote:
> 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% idle
> 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 COMMAND
> 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% kdeinit
> 61822 kirk               1  96    0 40616K 28980K select  14:55  1.03% kdeinit
> 68111 kirk               1  96    0 33584K 23292K select   0:16  0.15% kdeinit
>  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% mysqld
>  1449 nagios             3  20    0  3900K  1228K kserel  37:36  0.00% nagios
> 61864 kirk               3  96    0 78260K 61128K RUN     25:34  0.00% amarokapp
> 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% python2.3
>  1403 mailman            1   8    0  8532K  4088K nanslp  13:35  0.00% python2.3
>  1397 mailman            1   8    0  9016K  2700K nanslp  12:47  0.00% python2.3
>  1398 mailman            1   8    0  8792K  5216K nanslp  12:26  0.00% python2.3
> 

Try this:

top -S -n 50

man top is helpful

-- 
Best regards,
Chris

When your opponent is down, kick him.