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тАО12-25-2007 03:16 AM
тАО12-25-2007 03:16 AM
Interrups statistic - "sar" vs. "mstat"
Probaly it is trivial, but I don't understand why I see different statistics regarding interrups into "mstat" and "sar" output. There is 15997 against 92% !!!
[root]# sar -I SUM |head
Linux 2.4.21-47.ELsmp 12/25/2007
12:00:01 AM INTR intr/s
12:10:01 AM sum 15997.32
[ root]# mpstat
Linux 2.4.21-47.ELsmp 12/25/2007
11:14:07 AM CPU %user %nice %system %iowait %irq %soft %idle intr/s
11:14:07 AM all 2.40 0.00 7.41 0.05 1.97 10.78 77.39 92.36
[root]# sar -I SUM |head
Linux 2.4.21-47.ELsmp 12/25/2007
12:00:01 AM INTR intr/s
12:10:01 AM sum 15997.32
[ root]# mpstat
Linux 2.4.21-47.ELsmp 12/25/2007
11:14:07 AM CPU %user %nice %system %iowait %irq %soft %idle intr/s
11:14:07 AM all 2.40 0.00 7.41 0.05 1.97 10.78 77.39 92.36
2 REPLIES 2
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тАО12-26-2007 01:08 AM
тАО12-26-2007 01:08 AM
Re: Interrups statistic - "sar" vs. "mstat"
is it possible to assign points to myself? :-)
The explanation is that "mpstat" provides wrong interupts stats when called without "interval" parameter.
I still don't know if this a feature or a bug...
The explanation is that "mpstat" provides wrong interupts stats when called without "interval" parameter.
I still don't know if this a feature or a bug...
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тАО12-26-2007 05:31 AM
тАО12-26-2007 05:31 AM
Re: Interrups statistic - "sar" vs. "mstat"
without interval parameter "mpstat" shows statistics since system boot...
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