Messages in this thread | | | Date | Tue, 25 May 2010 01:42:21 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] x86: Export tsc related information in sysfs |
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> > As more and more systems become dependent on clocksource==tsc > > and more and more people assume nanosecond-class measurements > > are relatively accurate, I'd expect the accuracy of tsc_khz > > to become more important. While desktop users might bristle > > at an extra second of boot delay, I'll bet many server > > farm administrators would gladly pay that upfront cost > > if they know an option exists. > > Maybe something like a tsc_long_calibration=1 option would allow for > this?
On a system with synchronized TSC and multiple cores you could also simply do a longer calibration on another core in the background after a quick "fast calibration"
-Andi
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