Re: [Xen-devel] [PATCH v12] tolerate jitter in cpu_khz calculation to avoid TSC emulation

[Olaf Hering <olaf@xxxxxxxxx>]

Am Fri,  8 Mar 2019 20:20:59 +0100
schrieb Olaf Hering <olaf@xxxxxxxxx>:

> To reiterate the second paragraph: if a domU uses TSC as primary clock
> source, it is expected that it runs NTP to cover for the resulting
> drift. Therefore this change does no need a knob to turn it on or off.

One interesting aspect is: the xenlinux based kernels report clocksource=tsc,
but I think there was no explicit requirement to run NTP in domU.
There was even that 'independent_wallclock' knob. Why is that?

Olaf

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