From: Avi Kivity <avi@redhat.com>
To: Glauber Costa <glommer@redhat.com>
Cc: kvm@vger.kernel.org, zamsden@redhat.com, mtosatti@redhat.com,
riel@redhat.com
Subject: Re: [RFC 3/7] measure time out of guest
Date: Sun, 29 Aug 2010 12:53:03 +0300 [thread overview]
Message-ID: <4C7A2DFF.5070908@redhat.com> (raw)
In-Reply-To: <1282772597-4183-4-git-send-email-glommer@redhat.com>
On 08/26/2010 12:43 AM, Glauber Costa wrote:
> By measuring time between a vcpu_put and a vcpu_load, we can
> estimate how much time did the guest stay out of the cpu.
> This is exported to the guest at every clock update.
>
> Signed-off-by: Glauber Costa<glommer@redhat.com>
> ---
> arch/x86/include/asm/kvm_host.h | 2 ++
> arch/x86/kvm/x86.c | 12 +++++++++++-
> 2 files changed, 13 insertions(+), 1 deletions(-)
>
Could be put in common code, this is useful to at least s390.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-08-29 9:53 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-25 21:43 [RFC 0/7] KVM steal time implementation Glauber Costa
2010-08-25 21:43 ` [RFC 1/7] Implement getnsboottime kernel API Glauber Costa
2010-08-25 21:43 ` [RFC 2/7] change headers preparing for steal time Glauber Costa
2010-08-25 21:43 ` [RFC 3/7] measure time out of guest Glauber Costa
2010-08-25 21:43 ` [RFC 4/7] change kernel accounting to include steal time Glauber Costa
2010-08-25 21:43 ` [RFC 5/7] kvm steal time implementation Glauber Costa
2010-08-25 21:43 ` [RFC 6/7] touch softlockup watchdog Glauber Costa
2010-08-25 21:43 ` [RFC 7/7] tell guest about steal time feature Glauber Costa
2010-08-26 22:13 ` [RFC 5/7] kvm steal time implementation Rik van Riel
2010-08-26 22:35 ` Glauber Costa
2010-08-26 17:23 ` [RFC 4/7] change kernel accounting to include steal time Marcelo Tosatti
2010-08-26 20:28 ` Glauber Costa
2010-08-26 20:47 ` Marcelo Tosatti
2010-08-26 21:05 ` Rik van Riel
2010-08-26 21:13 ` Glauber Costa
2010-08-26 21:14 ` Anthony Liguori
2010-08-26 21:40 ` Glauber Costa
2010-08-26 23:12 ` Marcelo Tosatti
2010-08-27 0:33 ` Glauber Costa
2010-08-27 15:25 ` Marcelo Tosatti
2010-08-26 21:19 ` Rik van Riel
2010-08-26 21:39 ` Glauber Costa
2010-08-29 9:59 ` Avi Kivity
2010-08-29 15:13 ` Rik van Riel
2010-08-29 15:25 ` Avi Kivity
2010-08-29 15:42 ` Rik van Riel
2010-08-29 15:47 ` Avi Kivity
2010-08-30 12:42 ` Glauber Costa
2010-08-30 13:15 ` Avi Kivity
2010-08-26 20:54 ` [RFC 3/7] measure time out of guest Zachary Amsden
2010-08-26 21:14 ` Glauber Costa
2010-08-29 9:53 ` Avi Kivity [this message]
2010-08-26 20:44 ` [RFC 2/7] change headers preparing for steal time Zachary Amsden
2010-08-26 21:04 ` Rik van Riel
2010-08-26 21:17 ` Glauber Costa
2010-08-26 22:11 ` Rik van Riel
2010-08-29 9:51 ` Avi Kivity
2010-08-30 12:44 ` Glauber Costa
2010-08-30 13:10 ` Avi Kivity
2010-08-26 19:46 ` [RFC 1/7] Implement getnsboottime kernel API Rik van Riel
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