Re: [patch v4 0/18] sched: simplified fork, release load avg andpower awareness scheduling

From: Alex Shi
Date: Mon Jan 28 2013 - 20:44:20 EST


On 01/28/2013 11:47 PM, Mike Galbraith wrote:
> On Mon, 2013-01-28 at 06:17 +0100, Mike Galbraith wrote:
>
> Ok damnit.
>
>> monteverdi:/abuild/mike/:[0]# echo powersaving > /sys/devices/system/cpu/sched_policy/current_sched_policy
>> monteverdi:/abuild/mike/:[0]# massive_intr 10 60
>> 043321 00058616
>> 043313 00058616
>> 043318 00058968
>> 043317 00058968
>> 043316 00059184
>> 043319 00059192
>> 043320 00059048
>> 043314 00059048
>> 043312 00058176
>> 043315 00058184
>
> That was boost if you like, and free to roam 4 nodes.
>
> monteverdi:/abuild/mike/:[0]# echo powersaving > /sys/devices/system/cpu/sched_policy/current_sched_policy
> monteverdi:/abuild/mike/:[0]# echo 0 > /sys/devices/system/cpu/cpufreq/boost
> monteverdi:/abuild/mike/:[0]# massive_intr 10 60
> 014618 00039616
> 014623 00039256
> 014617 00039256
> 014620 00039304
> 014621 00039304 (wait a minute, you said..)
> 014616 00039080
> 014625 00039064
> 014622 00039672
> 014624 00039624
> 014619 00039672
> monteverdi:/abuild/mike/:[0]# echo 1 > /sys/devices/system/cpu/cpufreq/boost
> monteverdi:/abuild/mike/:[0]# massive_intr 10 60
> 014635 00058160
> 014633 00058592
> 014638 00058592
> 014636 00058160
> 014632 00058200
> 014634 00058704
> 014639 00058704
> 014641 00058200
> 014640 00058560
> 014637 00058560
> monteverdi:/abuild/mike/:[0]# massive_intr 10 60
> 014673 00059504
> 014676 00059504
> 014674 00059064
> 014672 00059064
> 014675 00058560
> 014671 00058560
> 014677 00059248
> 014668 00058864
> 014669 00059248
> 014670 00058864
> monteverdi:/abuild/mike/:[0]# massive_intr 10 60
> 014686 00043472
> 014689 00043472
> 014685 00043760
> 014690 00043760
> 014687 00043528
> 014688 00043528 (hmm)
> 014683 00043216
> 014692 00043208
> 014684 00043336
> 014691 00043336

I am sorry Mike. does above 3 times testing has a same sched policy? and
same question for the following testing.

> monteverdi:/abuild/mike/:[0]# echo 0 > /sys/devices/system/cpu/cpufreq/boost
> monteverdi:/abuild/mike/:[0]# massive_intr 10 60
> 014701 00039344
> 014707 00039344
> 014709 00038976
> 014700 00038976
> 014708 00039256 (hmm)
> 014703 00039256
> 014705 00039400
> 014704 00039400
> 014706 00039320
> 014702 00039320
> monteverdi:/abuild/mike/:[0]# massive_intr 10 60
> 014713 00058552
> 014716 00058664
> 014719 00058600
> 014715 00058600
> 014718 00058520
> 014722 00058400
> 014721 00058768
> 014717 00058768
> 014714 00058552
> 014720 00058560
> monteverdi:/abuild/mike/:[0]# massive_intr 10 60
> 014732 00058736
> 014734 00058760
> 014729 00040872
> 014736 00059184
> 014728 00059184
> 014727 00058744
> 014733 00058760
> 014731 00059320
> 014730 00059280
> 014735 00041072
> monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60
> 014749 00040608
> 014748 00040616
> 014745 00039360
> 014750 00039360
> 014751 00039416
> 014747 00039416
> 014752 00039336
> 014746 00039336
> 014744 00039480
> 014753 00039480
> monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60
> 014757 00039272
> 014761 00039272
> 014765 00039528
> 014756 00039528
> 014759 00039352
> 014760 00039352
> 014764 00039248
> 014762 00039248
> 014758 00039352
> 014763 00039352
> monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60
> 014773 00059680
> 014769 00059680
> 014768 00059144
> 014777 00059144
> 014775 00059688
> 014774 00059688
> 014770 00059264
> 014771 00059264
> 014772 00059528
> 014776 00059528
>
> Ok box, whatever blows your skirt up. I'm done.
>
> Non
> Uniform
> Mysterious
> Artifacts
>


--
Thanks Alex
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