Jan Engelhardt <[EMAIL PROTECTED]> wrote: > > I have found that FreeBSD has a very good precision of small sleeps --
Linux nanosleep() used to have a busywait loop for sleeps less than two milliseconds. 2.4.x still does. We thought it was stupid and took it out. > what's holding Linux back from doing the same? Using the code snippet below, > FBSD yields between 2 and 80 us on the average while Linux is at > "constantly" ~100 (with HZ=1000) and ~1000 (HZ=100). > You can spin on the gettimeofday() result in userspace. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
