linux-kernel - Re: [PATCH 2/3] KVM: improve trace events of vmexit/mmio/ioport

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Message-ID: <4F13EFFB.90706@redhat.com>
Date:	Mon, 16 Jan 2012 11:38:03 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH 2/3] KVM: improve trace events of vmexit/mmio/ioport

On 01/16/2012 11:32 AM, Xiao Guangrong wrote:
> - trace vcpu_id for these events

We can infer the vcpu id from the kvm_entry tracepoints, no?

> - add kvm_mmio_done to trace the time when mmio/ioport emulation is completed

ditto?


Relying on the existing tracepoints will make the tool work on older
kernels.


-- 
error compiling committee.c: too many arguments to function

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