Messages in this thread | | | Date | Fri, 08 Nov 2002 18:36:32 -0800 | From | Andrew Morton <> | Subject | Re: [BENCHMARK] 2.4.{18,19{-ck9},20rc1{-aa1}} with contest |
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Con Kolivas wrote: > > io_load: > Kernel [runs] Time CPU% Loads LCPU% Ratio > 2.4.18 [3] 474.1 15 36 10 6.64 > 2.4.19 [3] 492.6 14 38 10 6.90 > 2.4.19-ck9 [2] 140.6 49 5 5 1.97 > 2.4.20-rc1 [2] 1142.2 6 90 10 16.00 > 2.4.20-rc1aa1 [1] 1132.5 6 90 10 15.86 >
2.4.20-pre3 included some elevator changes. I assume they are the cause of this. Those changes have propagated into Alan's and Andrea's kernels. Hence they have significantly impacted the responsiveness of all mainstream 2.4 kernels under heavy writes.
(The -ck patch includes rmap14b which includes the read-latency2 thing) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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