Thomas Gleixner wrote: > I wonder why firewire exposed CLOCK_MONOTONIC_RAW to user space. > > What's the purpose of that? CLOCK_MONOTONIC_RAW is the raw time based > on the initial frequency setup of the clocksource. That can be quite > off from the NTP corrected frequency which is exposed by > CLOCK_MONOTONIC.
The purpose is to get a stable clock, i.e., to avoid clock rate changes caused by NTP corrections. ALSA is adding CLOCK_MONOTONIC_RAW for the same reason. Regards, Clemens -- 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/
