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

From: Alex Shi
Date: Mon Jan 28 2013 - 20:16:27 EST


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
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