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Date: Sun, 08 Jul 2012 12:21:05 +0300 From: Oleksandr Natalenko <pfactum@...il.com> To: linux-kernel@...r.kernel.org Subject: Re: [PATCH]RIFS-V3-Test For 3.4.x kernel. The funniest thing is that desktop users started to use systemd (e.g. in Fedora) which means they cannot even boot without cgroups. Note that :). 08.07.12 06:37, Chen написав(ла): > I haven't made any support for Cgroup yet. After I finished > translating the scheduler in modular form it will support Cgroup > naturally since the modular scheduler support Cgroup. > > Anyway it is for desktop users and I don't think I have to support > Cgroup in short term. > > I am going to post the graphical benchmark between RIFS-V3-Test and > CFS. On my box, The latency of CFS is 8 times of RIFS > averagely.However I am not using my computer right now so I can't post > my benchmark now. > > > On Sun, Jul 8, 2012 at 6:01 AM, Oleksandr Natalenko <pfactum@...il.com> wrote: >> Could you please make some chart to visually compare latencies with CFS? >> >> Also, has RIFS got cgroups support? >> >> 07.07.12 23:58, Chen написав(ла): >>> 1. Benchmark: >>> [admin@...alhost ~]$ latt -c255 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=255 >>> Entries logged: 1020 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 106549 usec >>> Avg 1446 usec >>> Stdev 6182 usec >>> Stdev mean 194 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 2793229 usec >>> Avg 2189141 usec >>> Stdev 351389 usec >>> Stdev mean 11002 usec >>> [admin@...alhost ~]$ latt -c128 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=128 >>> Entries logged: 768 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 70824 usec >>> Avg 1761 usec >>> Stdev 5074 usec >>> Stdev mean 183 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 1464295 usec >>> Avg 1163262 usec >>> Stdev 210801 usec >>> Stdev mean 7607 usec >>> [admin@...alhost ~]$ latt -c64 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=64 >>> Entries logged: 640 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 53780 usec >>> Avg 1375 usec >>> Stdev 4772 usec >>> Stdev mean 189 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 797045 usec >>> Avg 596825 usec >>> Stdev 111695 usec >>> Stdev mean 4415 usec >>> [admin@...alhost ~]$ latt -c32 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=32 >>> Entries logged: 480 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 86032 usec >>> Avg 2147 usec >>> Stdev 7659 usec >>> Stdev mean 350 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 374303 usec >>> Avg 309004 usec >>> Stdev 43155 usec >>> Stdev mean 1970 usec >>> [admin@...alhost ~]$ latt -c16 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=16 >>> Entries logged: 320 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 41166 usec >>> Avg 1150 usec >>> Stdev 4706 usec >>> Stdev mean 263 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 178917 usec >>> Avg 155367 usec >>> Stdev 16074 usec >>> Stdev mean 899 usec >>> [admin@...alhost ~]$ latt -c8 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=8 >>> Entries logged: 184 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 20256 usec >>> Avg 585 usec >>> Stdev 2306 usec >>> Stdev mean 170 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 88262 usec >>> Avg 75957 usec >>> Stdev 7102 usec >>> Stdev mean 524 usec >>> [admin@...alhost ~]$ latt -c4 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=4 >>> Entries logged: 104 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 7950 usec >>> Avg 663 usec >>> Stdev 1719 usec >>> Stdev mean 169 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 50647 usec >>> Avg 38685 usec >>> Stdev 4053 usec >>> Stdev mean 397 usec >>> [admin@...alhost ~]$ latt -c2 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=2 >>> Entries logged: 54 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 33 usec >>> Avg 9 usec >>> Stdev 5 usec >>> Stdev mean 1 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 21700 usec >>> Avg 20590 usec >>> Stdev 258 usec >>> Stdev mean 35 usec >>> [admin@...alhost ~]$ latt -c1 sleep 10 >>> >>> Parameters: min_wait=100ms, max_wait=500ms, clients=1 >>> Entries logged: 27 >>> >>> Wakeup averages >>> ------------------------------------- >>> Max 22 usec >>> Avg 9 usec >>> Stdev 3 usec >>> Stdev mean 1 usec >>> >>> Work averages >>> ------------------------------------- >>> Max 20614 usec >>> Avg 20162 usec >>> Stdev 125 usec >>> Stdev mean 24 usec >>> >>> >>> >>> RIFS-V3 is the new name of RIFS-ES. It looks like CFS. but with RIFS, >>> the latency is much lower. >>> >> >> >> >> -- >> 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/ -- 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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