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John wrote: > I've been experimenting with the high-resolution timer subsystem on the > x86 platform (specifically, P4 2.8 GHz) running Linux 2.6.16.28. (LAPIC > and IOAPIC turned on, pre-emptible kernel, HZ=250) > > I wrote a small app to create a POSIX timer (timer_create(), > timer_settime(), etc) that fires with a given period. The scheduling > policy is set to SCHED_RR. After some time, the process writes the > distribution of "elapsed time between signals" to a file, and exits. I > then post-process this file to output average time between signals, > standard deviation, occurences +/- 5 µs and occurences +/- 10 µs. > > [...] Given the dearth of replies, I assume that linux-kernel is not the appropriate venue for this type of question. Could someone point to a better forum? Regards. - 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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