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.
_______________________________________________
CentOS mailing list
CentOS@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos
