[CentOS] cpuspeed settings??

[ken]

On 06/16/2010 03:09 PM Les Mikesell wrote:
> On 6/16/2010 1:47 PM, ken wrote:
>> Hey, folks,
>>
>> Sometimes my workstation bogs down... slows to a crawl.  Using gkrellm,
>> it's obvious the CPU is the laggard.  The top utility confirms: the load
>> average gets up over 4 at times.  But this occurs when cpu stepping pegs
>> the speed at 600MHz.  This processor is capable of 1.5GHz and when it's
>> allowed to run at that speed, the load average is under 2, which is fine.
>>
>> So the question is: what's a good /etc/sysconfig/cpuspeed file?  This
>> workstation is a notebook and it can get hot.  Of course I'd rather type
>> on slow machine than a machine with a fried mainboard, so a report of a
>> high temperature should kick in the governor and lower the speed.
>>
>> Currently my /etc/sysconfig/cpuspeed has no variables defined (it's been
>> this way at least since Apr 24) and I don't know what the number ranges
>> and other values for them might be.
> 
> Chances are that it is really your disk io that is the problem.  Linux 
> likes to count iowait time as CPU time.  What do sar or vmstat say about 
> your wait time?
> 

# vmstat
procs -----------memory---------- ---swap-- -----io---- --system--
-----cpu------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy
id wa st
 1  0    148 104328 156776 601100    0    0    26    89  525  118 87 12
 1  0  0

Sorry for the wrap.