Messages in this thread | | | Date | Sat, 10 Apr 2004 08:03:17 -0700 | From | "Martin J. Bligh" <> | Subject | Re: 2.6.5-mjb1 |
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> tested with latencytest-0.5.2. Sched stats turned off in the kernel. > Look at "2.6.5 latencytest +aa5 +mm3 as/cfq scheduler" to compare.
The main thing that looks different is that loops per run is lower. What does that mean?
> ---------- 2.6.5-mjb1 AS scheduler ---------- > x11.log: > cpu_hz = 2.08792e+09 > cpu_load=0.800000 loops per run = 537513 > total latency = 1.953125 ms > cpu latency = 1.562500 ms > max diff = 3.03868 ms (overrun 0) > within 1ms = 33088, factor = 99.9788% > within 2ms = 33095, factor = 100% > deviation = 0.0196589 > > proc.log: > cpu_hz = 2.08792e+09 > cpu_load=0.800000 loops per run = 537547 > total latency = 1.953125 ms > cpu latency = 1.562500 ms > max diff = 3.05196 ms (overrun 0) > within 1ms = 15385, factor = 99.9805% > within 2ms = 15388, factor = 100% > deviation = 0.0205876 > > diskwrite.log: > cpu_hz = 2.08792e+09 > cpu_load=0.800000 loops per run = 537500 > total latency = 1.953125 ms > cpu latency = 1.562500 ms > max diff = 4.40418 ms (overrun 1) > within 1ms = 10989, factor = 99.9273% > within 2ms = 10996, factor = 99.9909% > deviation = 0.0545299 > > diskcopy.log: > cpu_hz = 2.08792e+09 > cpu_load=0.800000 loops per run = 537552 > total latency = 1.953125 ms > cpu latency = 1.562500 ms > max diff = 5.08319 ms (overrun 3) > within 1ms = 27949, factor = 99.9321% > within 2ms = 27965, factor = 99.9893% > deviation = 0.0385951 > > diskread.log: > cpu_hz = 2.08792e+09 > cpu_load=0.800000 loops per run = 537564 > total latency = 1.953125 ms > cpu latency = 1.562500 ms > max diff = 3.15495 ms (overrun 0) > within 1ms = 28029, factor = 99.9715% > within 2ms = 28037, factor = 100% > deviation = 0.0249104 > > Best regards, > > Marcus > > >
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