Messages in this thread | | | Date | Fri, 11 Jan 2008 13:42:37 +0100 | From | Jens Axboe <> | Subject | Re: [patch] block: fix blktrace timestamps |
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On Fri, Jan 11 2008, Jens Axboe wrote: > > ktime_get() should have been used instead, which is a proper GTOD > > clocksource. The patch below implements this. > > Will give it a whirl, it looks promising indeed and gets rid of the ugly > cpu sync stuff. What is the cost of ktime_get() compared to > sched_clock()?
Works for me - will apply it right now, we can always evaluate any potential performance impact later. It's more important to have a functional blktrace in 2.6.24.
Thanks Ingo!
-- Jens Axboe
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