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Date: Tue, 29 Jan 2013 09:45:21 +0800 From: Alex Shi <alex.shi@...el.com> To: Mike Galbraith <efault@....de> CC: Borislav Petkov <bp@...en8.de>, torvalds@...ux-foundation.org, mingo@...hat.com, peterz@...radead.org, tglx@...utronix.de, akpm@...ux-foundation.org, arjan@...ux.intel.com, pjt@...gle.com, namhyung@...nel.org, vincent.guittot@...aro.org, gregkh@...uxfoundation.org, preeti@...ux.vnet.ibm.com, viresh.kumar@...aro.org, linux-kernel@...r.kernel.org Subject: Re: [patch v4 0/18] sched: simplified fork, release load avg and power awareness scheduling 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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