Messages in this thread |  | | From | Andreas Dilger <> | Date | Thu, 18 Oct 2001 09:06:46 -0600 | Subject | Re: Fwd: VM testing with mtest, 2.4.12-ac3, 2.4.12-ac3+riel's patches, and 2.4.13aa1 |
| |
On Oct 18, 2001 01:51 -0500, Josh McKinney wrote: > This is a report of the mtest01 scripts posted by rwhron@earthlink.net > a day orso ago. > > The numbers are rather interesting. While the latency of the ac kernels is > definitely better, the song only dropped out for a second or two in the > begining but that was it. The aa kernel drops out more frequently throughout > the test, but the amount of memory allocated is almost twice as much as with > the ac kernels.
-ac kernel: > Averages for 10 mtest01 runs > bytes allocated: 134427443.2 > User time (seconds): 2.546 > System time (seconds): 1.370 > Elapsed (wall clock) time: 4.798 > Percent of CPU this job got: 89.1% > Major (requiring I/O) page faults: 103.8 > Minor (reclaiming a frame) faults: 32702
-ac kernel + Rik's patches: > Averages for 10 mtest01 runs > bytes allocated: 124885401.6 > User time (seconds): 2.380 > System time (seconds): 1.253 > Elapsed (wall clock) time: 4.401 > Percent of CPU this job got: 89.1% > Major (requiring I/O) page faults: 100.2 > Minor (reclaiming a frame) faults: 30363.3
Linus kernel: > Averages for 10 mtest01 runs > bytes allocated: 288148684.8 > User time (seconds): 5.496 > System time (seconds): 3.003 > Elapsed (wall clock) time: 12.250 > Percent of CPU this job got: 68.9% > Major (requiring I/O) page faults: 103.5 > Minor (reclaiming a frame) faults: 70380.6
Note that the Linus kernel has allocated twice as much memory. What does that mean exactly? The user/system/wall time is also twice as high. Somehow I don't think you are having an equal test.
Cheers, Andreas -- Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto, \ would they cancel out, leaving him still hungry?" http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert
- 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/
|  |