Bug#620297: [Virtual-pkg-base-maintainers] Bug#620297: base: vmstat and /proc/loadavg disagree

[Brandon Metcalf <bwmetcalf@gmail.com>]

This is the only version on which I have seen this behavior.  It's
also the first version using flush-8:0 instead of pdflush that I've
tried.

On Fri, Apr 1, 2011 at 2:21 AM, Amaya <amaya@debian.org> wrote:
> Hi, Brandon
>
> Can you reproduce this with other kernel versions?
>
> Brandon Metcalf wrote:
>> Package: base
>> Severity: important
>>
>> After a system running squeeze has been under constant load, the load
>> averages in /proc/loadavg seem to be calculated incorrectly with
>> /proc/loadavg showing values that are much too low.  Below is vmstat
>> output along with the contents of /proc/loadavg.  The fourth field
>> of /proc/loadavg seems correct, but the 1-minute avg is definitely wrong:
>>
>> vmstat:
>> procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
>>  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
>> 11  0      0 12569200  22832 7468824    0    0     9   135   22   96 39  3 58  0
>> loadavg:
>> 0.34 4.98 6.47 10/468 13072
>> vmstat:
>> procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
>>  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
>> 15  0      0 12566340  22832 7469612    0    0     9   135   23   96 39  3 58  0
>> loadavg:
>> 0.34 4.98 6.47 16/468 13075
>>
>> Although this is just two samples, the behavior is consistent over a long
>> period of time.
>>
>>
>> -- System Information:
>> Debian Release: 6.0.1
>>   APT prefers stable
>>   APT policy: (500, 'stable')
>> Architecture: amd64 (x86_64)
>>
>> Kernel: Linux 2.6.32-5-amd64 (SMP w/16 CPU cores)
>> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
>> Shell: /bin/sh linked to /bin/dash
>>
>>
>>
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>
> --
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