top: how to obtain which process take CPU time

[Frank Shute]

On Sat, Oct 01, 2011 at 08:38:49PM +0300, ??????? ??????? wrote:
>
> hi, Freebsd-questions.
> 
> last pid: 92665;  load averages:  2.40,  2.68,  4.75    up 5+02:45:23  20:29:07
> 218 processes: 3 running, 215 sleeping
> CPU: 59.6% user,  0.0% nice, 40.4% system,  0.0% interrupt,  0.0% idle
> Mem: 225M Active, 81M Inact, 115M Wired, 3936K Cache, 60M Buf, 64M Free
> Swap: 2048M Total, 190M Used, 1857M Free, 9% Inuse
> 
>   PID USERNAME    THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
> 92520 cacti         1  -8    0 22796K 12656K piperd   0:00  1.46% php
> 92593 cacti         1  -8    0  4620K  2316K piperd   0:00  1.46% perl5.8.8
> 92594 cacti         1   8    0  3460K  1120K wait     0:00  1.46% sh
> 92592 cacti         1   8    0  3460K  1120K wait     0:00  1.46% sh
> 92595 cacti         1  55    0  5448K  2692K select   0:00  1.37% snmpget
> 92518 cacti         1   8    0 23820K 12896K nanslp   0:00  0.98% php
> 92528 cacti         1  -8    0 22796K 12640K piperd   0:00  0.98% php
> 92555 cacti         1  -8    0  4620K  2332K piperd   0:00  0.98% perl5.8.8
> 92556 root          1  96    0  3280K  1292K select   0:00  0.98% sudo
> 92554 cacti         1   8    0  3460K  1120K wait     0:00  0.98% sh
> 92542 cacti         1   8    0  3460K  1128K wait     0:00  0.98% sh
> 92543 cacti         1  -8    0 10200K  3664K piperd   0:00  0.78% rrdtool
> 81166 firebird      1  45    0 23344K  6188K select   0:08  0.49% fb_inet_serve

That looks to me like quite a weak system and has got 3 running
processes and 215 sleeping. I can easily see that 59.6% of your CPU is
being used and your load averages being as they are.

> 
> top -SIHP
> last pid: 99336;  load averages:  1.47,  2.05,  3.66    up 5+02:52:06  20:35:50
> 291 processes: 6 running, 266 sleeping, 18 waiting, 1 lock
> CPU: 52.2% user,  0.0% nice, 27.9% system,  0.0% interrupt, 19.9% idle
> Mem: 236M Active, 81M Inact, 115M Wired, 3436K Cache, 60M Buf, 54M Free
> Swap: 2048M Total, 189M Used, 1858M Free, 9% Inuse
> 
>   PID USERNAME   PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
>    11 root       171 ki31     0K     8K RUN     70.1H 27.59% idle: cpu0
> 98502 cacti        8    0 23820K 12932K nanslp   0:00  0.20% php
> 44054 root         8    0  3124K   524K nanslp   0:56  0.10% monitord
> 99051 root        44    0  3496K  2020K RUN      0:00  0.10% top
> 99331 cacti       -8    0  4620K  2332K piperd   0:00  0.00% perl5.8.8
> 99326 cacti       -8    0  4620K  2332K piperd   0:00  0.00% perl5.8.8
> 99333 root        46    0  3240K  1008K select   0:00  0.00% ping
> 99328 root        45    0  3240K   972K select   0:00  0.00% ping
> 99332 root        47    0  3280K  1292K select   0:00  0.00% sudo
> 99327 root        47    0  3280K  1292K select   0:00  0.00% sudo
> 
> It is unclear which process take CPU time.
> is there any other tool, which help me to see processes that take CPU?
> 

I don't think another tool would help. You've just got a weak system
running lots of processes. None very big but they all add up to quite
a big chunk of CPU. It looks like it's handling it OK though.



Regards,

-- 

 Frank

 Contact info: http://www.shute.org.uk/misc/contact.html


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