Zhang, Yanmin wrote:
> On Mon, 2008-02-18 at 10:26 +0530, Balbir Singh wrote:
>> Zhang, Yanmin wrote:
>>>>> Did you have
>>>>> CONFIG_FAIR_USER_SCHED enabled in both cases?
>>>> Yes.
>>>>
>>>> CONFIG_FAIR_GROUP_SCHED=y
>>>> CONFIG_FAIR_USER_SCHED=y
>>>>
>> Interesting that you have CONFIG_FAIR_USER_SCHED. Do you have any other
>> users on
>> the system (are they running anything at the time of the benchmark)?
> No. As for volanoMark, I start volanoMark both server and client processes
> while
> starting some system measurement tools such like vmstat/iostat/sar. All the
> processes
> run under the same user.
>
Ok, so the bandwidth is not split between users, which is very good. I assume
the same user is root?
>
>> Could you
>> turn off CONFIG_FAIR_USER_SCHED and turn on CONFIG_FAIR_GROUP_SCHED.
> I will try.
>
>> I am going
>> to run some tests with 2.6.25-rc2 and Volanomark and see how that goes.
> Pls. set /proc/sys/kernel/sched_compat_yield=1 before starting test.
Thanks for the tip, I would have definitely missed this one
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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