Re: [Xen-devel] [PATCH v9] new config option vtsc_tolerance_khz to avoid TSC emulation

[Olaf Hering <olaf@xxxxxxxxx>]

Am Tue, 26 Jun 2018 19:11:13 +0200
schrieb Olaf Hering <olaf@xxxxxxxxx>:

> Am Thu,  7 Jun 2018 15:08:29 +0200
> schrieb Olaf Hering <olaf@xxxxxxxxx>:
> > Add an option to control when vTSC emulation will be activated for a
> > domU with tsc_mode=default. Without such option each TSC access from
> > domU will be emulated, which causes a significant perfomance drop for
> > workloads that make use of rdtsc.  
> Andrew,
> do you have any comments on this patch/approach?


Andrew,

any comments on this patch?

https://lists.xen.org/archives/html/xen-devel/2018-06/msg00398.html

Olaf

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