Re: [PATCH v4 1/4] Produce system time from correlated clocksource
From: Thomas Gleixner
Date: Thu Oct 15 2015 - 04:14:39 EST
On Thu, 15 Oct 2015, Richard Cochran wrote:
> Thomas seems to say that there are *other* applications that will want
> to transform device time into system time, but why does your audio
> application use the system time, when the audio-to-ptp time is
> directly available, without any man in the middle?
PTP time is slow to access. Having a correlation to system time makes
a log of things simpler; nanosleep is the most obvious example.
Thanks,
tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/