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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. -Andi - 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/ | ||||||||||||
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