Hi, On Mon, 28 Jan 2008, john stultz wrote:
> Regardless, current_tick_length() really is the base interval we're > using in the error accumulation loop, so it seems the cleanest interface > to use (just to avoid redundancy at least) when establishing the > clocksource's interval length. Or do you not agree? I see, what you need to use in timex.h for !CONFIG_NO_HZ is: #define NTP_INTERVAL_LENGTH ((s64)LATCH * NSEC_PER_SEC) / (s64)CLOCK_TICK_RATE) this calculates the base length of a clock tick in nsec. current_tick_length() would only work during boot. If you switch clocks later, it would include random adjustments specific to the old clock. bye, Roman -- 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/
