Messages in this thread | | | Subject | Re: [BENCHMARK] 2.5.46-mm1 with contest | From | Robert Love <> | Date | 07 Nov 2002 19:04:08 -0500 |
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On Thu, 2002-11-07 at 18:58, Andrew Morton wrote:
> Robert Love wrote: > > > > On Thu, 2002-11-07 at 17:53, Con Kolivas wrote: > > > > > io_load: > > > Kernel [runs] Time CPU% Loads LCPU% Ratio > > > 2.5.44-mm6 [3] 284.1 28 20 10 3.98 > > > 2.5.46 [1] 600.5 13 48 12 8.41 > > > 2.5.46-mm1 [5] 134.3 58 6 8 1.88 > > > > > > Big change here. IO load is usually the one we feel the most. > > > > Nice. > > Mysterious.
Why? We are preempting during the generic file write/read routines, I bet, which can otherwise be long periods of latency. CPU is up and I bet the throughput is down, but his test is getting the attention it wants.
Robert Love
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