Re: 2.6.5-mjb1

["Martin J. Bligh" <mbligh@aracnet.com>]

> 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
> 
> 
>