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Subjectlatencytest results using patches
Date
OK,

These were run on an AMD K6-2/350. The patches used were Andrea
Arcangeli's and mingo's and successfully applied to the 2.2.7 sources
I'm using. I tested both with and without the patches on both
(well-tuned) ide and scsi. There's obviously something seriously
wrong with the X situation. Perhaps it has to do with my card (PCI:
Mach64 RageII+DVD) and/or the fact that I'm using 24bpp.

The 5 tests are: X, /proc, disk write, disk copy, disk read.

Anyhow, the patches do seem to help..especially under scsi.

Thanks, people! :)

Eric

ide:
121.0ms ( 1)|
1MS num_time_samples=51355 num_times_within_1ms=51353 factor=99.996106
2MS num_time_samples=51355 num_times_within_2ms=51353 factor=99.996106
9.8ms ( 58)|
1MS num_time_samples=21063 num_times_within_1ms=20969 factor=99.553720
2MS num_time_samples=21063 num_times_within_2ms=20970 factor=99.558467
28.7ms (490)|
1MS num_time_samples=16242 num_times_within_1ms=15235 factor=93.800025
2MS num_time_samples=16242 num_times_within_2ms=15463 factor=95.203793
25.8ms (728)|
1MS num_time_samples=46864 num_times_within_1ms=43316 factor=92.429157
2MS num_time_samples=46864 num_times_within_2ms=44598 factor=95.164732
21.2ms ( 89)|
1MS num_time_samples=52177 num_times_within_1ms=48461 factor=92.878088
2MS num_time_samples=52177 num_times_within_2ms=49721 factor=95.292945

patched ide:
209.8ms ( 3)|
1MS num_time_samples=50385 num_times_within_1ms=50381 factor=99.992061
2MS num_time_samples=50385 num_times_within_2ms=50381 factor=99.992061
6.0ms ( 1)|
1MS num_time_samples=21064 num_times_within_1ms=21061 factor=99.985758
2MS num_time_samples=21064 num_times_within_2ms=21061 factor=99.985758
28.2ms (524)|
1MS num_time_samples=17574 num_times_within_1ms=16718 factor=95.129168
2MS num_time_samples=17574 num_times_within_2ms=16834 factor=95.789234
28.2ms (682)|
1MS num_time_samples=47561 num_times_within_1ms=44175 factor=92.880722
2MS num_time_samples=47561 num_times_within_2ms=45359 factor=95.370156
21.2ms ( 77)|
1MS num_time_samples=51621 num_times_within_1ms=47295 factor=91.619690
2MS num_time_samples=51621 num_times_within_2ms=49131 factor=95.176382

scsi:
211.4ms ( 1)|
1MS num_time_samples=51266 num_times_within_1ms=51265 factor=99.998049
2MS num_time_samples=51266 num_times_within_2ms=51265 factor=99.998049
11.6ms ( 17)|
1MS num_time_samples=21004 num_times_within_1ms=20931 factor=99.652447
2MS num_time_samples=21004 num_times_within_2ms=20934 factor=99.666730
28.0ms ( 13)|
1MS num_time_samples=14640 num_times_within_1ms=14429 factor=98.558743
2MS num_time_samples=14640 num_times_within_2ms=14563 factor=99.474044
8.8ms ( 5)|
1MS num_time_samples=27215 num_times_within_1ms=26933 factor=98.963807
2MS num_time_samples=27215 num_times_within_2ms=27167 factor=99.823627
8.9ms ( 2)|
1MS num_time_samples=22944 num_times_within_1ms=22833 factor=99.516213
2MS num_time_samples=22944 num_times_within_2ms=22921 factor=99.899756

patched scsi:
188.5ms ( 4)|
1MS num_time_samples=50129 num_times_within_1ms=50125 factor=99.992021
2MS num_time_samples=50129 num_times_within_2ms=50125 factor=99.992021
5.7ms ( 0)|
1MS num_time_samples=20869 num_times_within_1ms=20866 factor=99.985625
2MS num_time_samples=20869 num_times_within_2ms=20866 factor=99.985625
22.9ms ( 8)|
1MS num_time_samples=8494 num_times_within_1ms=8464 factor=99.646810
2MS num_time_samples=8494 num_times_within_2ms=8481 factor=99.846951
7.8ms ( 7)|
1MS num_time_samples=26795 num_times_within_1ms=26660 factor=99.496175
2MS num_time_samples=26795 num_times_within_2ms=26766 factor=99.891771
4.1ms ( 0)|
1MS num_time_samples=18997 num_times_within_1ms=18934 factor=99.668369
2MS num_time_samples=18997 num_times_within_2ms=18992 factor=99.973680

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