[TEST/REVIEW] cpu time accounting patch, step 2
Andrew Gallatin
gallatin at cs.duke.edu
Fri Feb 10 07:38:04 PST 2006
Sorry, there was a small cut & paste typo.
Rather than:
> netperf -tTCP_STREAM to linux machine via 10GbE (128KB socket buffers)
This should read:
netperf -tTCP_STREAM *from* linux machine via 10GbE (128KB socket buffers)
> x 10GbE_stream_rx.before
> + 10GbE_stream_rx.after
> +--------------------------------------------------------------------------+
> | + |
> |x x x x x + + + + |
> | |________A__M____| |_________________A_________M_______||
> +--------------------------------------------------------------------------+
> N Min Max Median Avg Stddev
> x 5 7655.65 7723.43 7702.66 7693.382 27.071167
> + 5 7768.29 7883.34 7863.13 7830.482 57.216535
> Difference at 95.0% confidence
> 137.1 +/- 65.2772
> 1.78205% +/- 0.848484%
> (Student's t, pooled s = 44.7581)
netperf -tTCP_STREAM *to* linux machine via 10GbE (128KB socket buffers)
>
> x 10GbE_stream_tx.before
> + 10GbE_stream_tx.after
> +--------------------------------------------------------------------------+
> |+ x x + + x + + x x|
> | |_|____________M__________MA_____A___________________|___________| |
> +--------------------------------------------------------------------------+
> N Min Max Median Avg Stddev
> x 5 4640.64 4722.05 4670.05 4679.212 36.651045
> + 5 4636.54 4709.22 4657.93 4671.276 31.004687
> No difference proven at 95.0% confidence
>
Drew
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