Re: Re: [PATCH v2 2/2] KVM: x86: use x86_get_freq to get freq for kvmclock

Peter Zijlstra
2021-12-04T10:45:04Z

On Fri, Dec 03, 2021 at 09:53:53AM +0200, Maxim Levitsky wrote:

> > Perf exposes it, it's not really convenient if you're not using perf,
> > but it can be found there.
> That is good to know! I will check out the source but if you remember,
> is there cli option in perf to show it, or it only uses it for internal
> purposes?

perf tool doesn't expose it I think, it's stuffed in
perf_event_mmap_page::time_* fields, see
include/uapi/linux/perf_event.h, it has comments on.