I mean, is there an API that guarantees high precision (non architecture dependent way)
Thanks! 2021년 5월 2일 (일) 오후 11:54, Greg KH <g...@kroah.com>님이 작성: > On Sun, May 02, 2021 at 11:10:11PM +0900, Hyeonggon Yoo wrote: > > the 'timer wheel' - which has low resolution works at jiffy resolution. > > so usually it has precision of 1~10ms. > > > > and there's high resolution timers in kernel to have nanosecond > resolution, > > but it doesn't seem to have nanosecond precision > > > > is there a way to deal with high precision timers in kernel? > > What exactly are you needing here? And do you have hardware that > provides both high precision and high resolution? > > thanks, > > greg k-h >
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