On 07/12/2012 03:02 PM, Suvayu Ali wrote:
On Thu, Jul 12, 2012 at 02:29:54PM +0100, Andrew Haley wrote:
> On 07/12/2012 12:00 PM, Suvayu Ali wrote:
>> So my question is since CPU usage is already so low, what could be
>> driving up the system load? This is bugging me since I also see a
>> general sluggishness compared to a much faster system early this year.
>
> top should show you. How much time in idle and wait states?
>
They are as I would expect, large idle times, and almost no wait time:
top - 15:59:42 up 3:24, 6 users, load average: 0.74, 0.87, 0.95
Tasks: 257 total, 1 running, 254 sleeping, 1 stopped, 1 zombie
Cpu0: 2.6%us, 4.0%sy, 0.0%ni, 92.7%id, 0.0%wa, 0.7%hi, 0.0%si, 0.0%st
Cpu1: 1.0%us, 0.3%sy, 0.0%ni, 98.0%id, 0.0%wa, 0.3%hi, 0.3%si, 0.0%st
Cpu2: 4.3%us, 4.3%sy, 0.0%ni, 91.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3: 0.3%us, 0.0%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 3843356k total, 3471700k used, 371656k free, 206600k buffers
Swap: 6029308k total, 0k used, 6029308k free, 1209176k cached
That's very odd. Processes in 'D' = uninterruptible sleep ?
Andrew.