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From: Eric B Munson <emunson@mgebm.net>
To: Glauber Costa <glommer@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Rik van Riel <riel@redhat.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Avi Kivity <avi@redhat.com>,
	Anthony Liguori <aliguori@us.ibm.com>
Subject: Re: [PATCH v3 4/9] KVM-HV: KVM Steal time implementation
Date: Wed, 29 Jun 2011 17:56:32 -0400	[thread overview]
Message-ID: <20110629215632.GC3557@mgebm.net> (raw)
In-Reply-To: <1309361388-30163-5-git-send-email-glommer@redhat.com>

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On Wed, 29 Jun 2011, Glauber Costa wrote:

> To implement steal time, we need the hypervisor to pass the guest information
> about how much time was spent running other processes outside the VM.
> This is per-vcpu, and using the kvmclock structure for that is an abuse
> we decided not to make.
> 
> In this patchset, I am introducing a new msr, KVM_MSR_STEAL_TIME, that
> holds the memory area address containing information about steal time
> 
> This patch contains the hypervisor part for it. I am keeping it separate from
> the headers to facilitate backports to people who wants to backport the kernel
> part but not the hypervisor, or the other way around.
> 
> Signed-off-by: Glauber Costa <glommer@redhat.com>
> CC: Rik van Riel <riel@redhat.com>
> CC: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
> CC: Peter Zijlstra <peterz@infradead.org>
> CC: Avi Kivity <avi@redhat.com>
> CC: Anthony Liguori <aliguori@us.ibm.com>
> CC: Eric B Munson <emunson@mgebm.net>

Tested-by: Eric B Munson <emunson@mgebm.net>


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  reply	other threads:[~2011-06-29 21:56 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-29 15:29 [PATCH v3 0/9] Steal time for KVM Glauber Costa
2011-06-29 15:29 ` [PATCH v3 1/9] introduce kvm_read_guest_cached Glauber Costa
2011-06-29 15:29 ` [PATCH v3 2/9] KVM-HDR Add constant to represent KVM MSRs enabled bit Glauber Costa
2011-06-29 21:56   ` Eric B Munson
2011-06-30  8:31     ` Avi Kivity
2011-06-30 12:59       ` Eric B Munson
2011-06-30 13:21         ` Glauber Costa
2011-06-30 14:13           ` Eric B Munson
2011-06-29 15:29 ` [PATCH v3 3/9] KVM-HDR: KVM Steal time implementation Glauber Costa
2011-06-29 21:56   ` Eric B Munson
2011-06-30 21:54   ` Peter Zijlstra
2011-06-29 15:29 ` [PATCH v3 4/9] KVM-HV: " Glauber Costa
2011-06-29 21:56   ` Eric B Munson [this message]
2011-06-29 15:29 ` [PATCH v3 5/9] KVM-HV: use schedstats to calculate steal time Glauber Costa
2011-06-29 21:56   ` Eric B Munson
2011-06-29 15:29 ` [PATCH v3 6/9] KVM-GST: Add a pv_ops stub for " Glauber Costa
2011-06-29 21:56   ` Eric B Munson
2011-06-29 15:29 ` [PATCH v3 7/9] KVM-GST: KVM Steal time accounting Glauber Costa
2011-06-29 21:57   ` Eric B Munson
2011-06-30 21:54   ` Peter Zijlstra
2011-07-01  2:53     ` Glauber Costa
2011-07-01  8:26       ` Peter Zijlstra
2011-06-30 21:54   ` Peter Zijlstra
2011-07-01  2:50     ` Glauber Costa
2011-06-30 21:54   ` Peter Zijlstra
2011-07-01  2:50     ` Glauber Costa
2011-07-01  8:25       ` Peter Zijlstra
2011-06-30 21:54   ` Peter Zijlstra
2011-06-29 15:29 ` [PATCH v3 8/9] KVM-GST: adjust scheduler cpu power Glauber Costa
2011-06-29 21:57   ` Eric B Munson
2011-06-30 21:54   ` Peter Zijlstra
2011-06-30 21:54   ` Peter Zijlstra
2011-06-30 21:54   ` Peter Zijlstra
2011-06-29 15:29 ` [PATCH v3 9/9] KVM-GST: KVM Steal time registration Glauber Costa
2011-06-29 21:57   ` Eric B Munson

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