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From: Andi Kleen <ak@linux.intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	Andi Kleen <andi@firstfloor.org>,
	peterz@infradead.org, gleb@kernel.org, eranian@google.com,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] kvm: Implement PEBS virtualization
Date: Thu, 19 Jun 2014 10:33:26 -0700	[thread overview]
Message-ID: <20140619173326.GS8178@tassilo.jf.intel.com> (raw)
In-Reply-To: <53A2F6E3.6020703@redhat.com>

> Userspace then can read/write these MSRs, and add them to the migration
> stream.  QEMU has code for that.

Thanks. The PEBS setup always redoes its state, can be arbitarily often redone.

So the only change needed would be to add the MSRs to some list in qemu?

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only

  reply	other threads:[~2014-06-19 17:33 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-30  1:12 Implement PEBS virtualization for Silvermont Andi Kleen
2014-05-30  1:12 ` [PATCH 1/4] perf: Add PEBS virtualization enable " Andi Kleen
2014-05-30  1:12 ` [PATCH 2/4] perf: Allow guest PEBS for KVM owned counters Andi Kleen
2014-05-30  7:31   ` Peter Zijlstra
2014-05-30 16:03     ` Andi Kleen
2014-05-30 16:17       ` Peter Zijlstra
2014-05-30  1:12 ` [PATCH 3/4] perf: Handle guest PEBS events with a fake event Andi Kleen
2014-05-30  7:34   ` Peter Zijlstra
2014-05-30 16:29     ` Andi Kleen
2014-05-30  1:12 ` [PATCH 4/4] kvm: Implement PEBS virtualization Andi Kleen
2014-05-30  8:21   ` Gleb Natapov
2014-05-30 16:24     ` Andi Kleen
2014-06-02 16:45       ` Gleb Natapov
2014-06-02 16:52         ` Andi Kleen
2014-06-02 19:09         ` Marcelo Tosatti
2014-06-02 19:05   ` Eric Northup
2014-06-02 19:57     ` Andi Kleen
2014-06-19 14:39       ` Paolo Bonzini
2014-06-10 18:04   ` Marcelo Tosatti
2014-06-10 19:22     ` Andi Kleen
2014-06-10 21:06       ` Marcelo Tosatti
2014-06-19 14:42         ` Paolo Bonzini
2014-06-19 17:33           ` Andi Kleen [this message]
2014-06-19 20:33             ` Paolo Bonzini
2014-06-22 13:57   ` Avi Kivity
2014-06-22 19:02     ` Andi Kleen
2014-06-24 16:45       ` Marcelo Tosatti
2014-06-25  7:04         ` Avi Kivity
2014-05-30  7:39 ` Implement PEBS virtualization for Silvermont Peter Zijlstra

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