Messages in this thread | | | Date | Thu, 5 Jan 2006 01:04:27 -0500 | From | Dave Jones <> | Subject | Re: 2.6.15-ck1 |
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On Thu, Jan 05, 2006 at 02:22:37AM +0100, Andi Kleen wrote: > Arjan van de Ven <arjan@infradead.org> writes: > > > > sounds like we need some sort of profiler or benchmarker or at least a > > tool that helps finding out which timers are regularly firing, with the > > aim at either grouping them or trying to reduce their disturbance in > > some form. > > I did one some time ago for my own noidletick patch. Can probably dig > it out again. It just profiled which timers interrupted idle. > > Executive summary for my laptop: worst was the keyboard driver (it ran > some polling driver to work around some hardware bug, but fired very > often) , followed by the KDE desktop (should be mostly > fixed now, I complained) and the X server and some random kernel > drivers. > > I haven't checked recently if keyboard has been fixed by now.
it was a little further down the list from the others I posted, but it is still there fairly high in the list of offenders, even though I wasn't touching keyboard/mouse (in fact, it was several feet away from me, I had ssh'd to it for tests).
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