Re: `top` reports all CPU states as 0% on i386

From: Scott W <wegster_at_mindcore.net>
Date: Sun, 11 Jan 2004 13:10:34 -0500
David Malone wrote:

>On Sun, Jan 11, 2004 at 11:50:35AM -0500, Scott W wrote:
>  
>
>>Not sure this helps in any immediate fashion, but another data point....
>>    
>>
>
>I think this problem is usually caused by one of the clock interrupts
>stopping. Checking the output of "vmstat -i" can confirm this - check
>for:
>
>clk irq0               1044322763        100
>rtc irq8               1352668148        129
>
>The rate for the first one should 100 (Or possibly HZ, if you have
>adjusted HZ). The rate of the second should be about 128, unless
>things have got confused.
>
>	David.
>
>  
>
Things are in fact working correctly on my system at the moment, 
although I'll certainly check this if I experience the same issue 
again.  Current output of vmstat -i:

[wegster_at_freeb] /home/wegster
[1] $ vmstat -i
interrupt                          total       rate
irq1: atkbd0                          10          0
irq3: sio1                             2          0
irq4: sio0                             2          0
irq6: fdc0                             4          0
irq8: rtc                       20265654        127
irq9: ohci0                            1          0
irq12: psm0                          279          0
irq13: npx0                            1          0
stray irq13                            1          0
irq14: ata0                           30          0
irq20: ips0                        62763          0
irq27: pcn0                      3186839         20
irq0: clk                       15829921         99
Total                           39345507        248

Scott
Received on Sun Jan 11 2004 - 09:10:39 UTC

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