From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: A question about HTL VM-Exit handling time
Date: Thu, 23 Oct 2014 14:23:30 +0200
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Cc: Xiao Guangrong <xiaoguangrong.eric@gmail.com>
To: "Wu, Feng" <feng.wu@intel.com>,
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> Thanks for your answer, Paolo.
> There is a general question for perf kvm. Do you know how the vmexit
> handling time is measured? Such as what is the start point, and the
> end point? If I got this information, I think I can better understand the
> value of the handling time. Thanks a lot!

It is measured from kvm:kvm_exit to kvm:kvm_entry.  See
exit_event_begin, exit_event_get_key, exit_event_end in
tools/perf/builtin-kvm.c.

Paolo