SUMMARY: High (system) CPU usage

Sean McAvoy <sean.mcavoy-qn16hGXA5Y/[email protected]> Wed, 3 Nov 2004 16:54:10 -0500
Newsgroups gmane.linux.admin.managers
Message-ID <[email protected]>
Thanks to all those who responded. Some suggested using top, which if 
the usage were by a user process would show up.
The high usage was from the system (i.e. top output: CPU states:   6.9% 
user,  40.3% system,   0.2% nice,  52.6% idle)
It was suggested to use vmstat and/or iostat to determine where the 
excessive CPU usage is going. vmstat displayed
the follow:
procs                      memory    swap          io     system        
  cpu
  r  b  w   swpd   free   buff  cache  si  so    bi    bo   in    cs  us 
  sy  id
  3  1  1  75144  49676  15344 1733732   0   0     4     6    3     4   
0   1   0
  2  0  1  75144  49680  15344 1733732   0   0     0     0  397 10643   
7  23  71

the cs field show a very high amount of context switching. Now that 
I've discovered what (I think) is taking up the time, I must figure out 
how (or if) I can reduce it. I'm running VMware GSX 3.1 on a Dell 2550 
2x1ghz 2gb ram


-Sean
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