On Tue, Dec 9, 2008 at 6:05 PM, Mitch Bradley <[EMAIL PROTECTED]> wrote: > Nice! > > One quick test, for starters, is to do some file accesses to large files > (dd or tar or whatever) and use the "time" command to look at the system > and user times. With the patch, the system time should drop to a > fraction of the real time.
Wow! This should apply as well to writes? I reported some time ago that downloads from the LAN were limited by cpu time, but I think to remember that it was due to the autocompression. Regards, Tomeu > Daniel Drake wrote: >> This patch enables interrupts for DMA and command completion events, and >> uses them to determine when commands and transfers have completed. >> >> This avoids a busy-wait loop which was a waste of CPU time. >> >> Signed-off-by: Daniel Drake <[EMAIL PROTECTED]> >> >> --- >> Where do we go with this? Who's adventurous enough to test it? Dare we >> put it in joyride? Any suggestions for how to measure performance >> difference? >> > > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel > _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
