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Date: Tue, 29 Jan 2013 09:17:27 +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 02:42 PM, Mike Galbraith wrote: > Back to original 1ms sleep, 8ms work, turning NUMA box into a single > node 10 core box with numactl. > > monteverdi:/abuild/mike/:[0]# echo powersaving > /sys/devices/system/cpu/sched_policy/current_sched_policy > monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60 > 045286 00043872 > 045289 00043464 > 045284 00043488 > 045287 00043440 > 045283 00043416 > 045281 00044456 > 045285 00043456 > 045288 00044312 > 045280 00043048 > 045282 00043240 Um, no idea why the powersaving data is so low. > monteverdi:/abuild/mike/:[0]# echo balance > /sys/devices/system/cpu/sched_policy/current_sched_policy > monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60 > 045300 00052536 > 045307 00052472 > 045304 00052536 > 045299 00052536 > 045305 00052520 > 045306 00052528 > 045302 00052528 > 045303 00052528 > 045308 00052512 > 045301 00052520 > monteverdi:/abuild/mike/:[0]# echo performance > /sys/devices/system/cpu/sched_policy/current_sched_policy > monteverdi:/abuild/mike/:[0]# numactl --cpunodebind=0 massive_intr 10 60 > 045339 00052600 > 045340 00052608 > 045338 00052600 > 045337 00052608 > 045343 00052600 > 045341 00052600 > 045336 00052608 > 045335 00052616 > 045334 00052576 -- 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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