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From: Avi Kivity <avi@redhat.com>
To: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH 2/3] KVM: improve trace events of vmexit/mmio/ioport
Date: Mon, 16 Jan 2012 11:38:03 +0200	[thread overview]
Message-ID: <4F13EFFB.90706@redhat.com> (raw)
In-Reply-To: <4F13EE9B.9020901@linux.vnet.ibm.com>

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


  reply	other threads:[~2012-01-16  9:38 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-16  9:30 [RFC][PATCH] KVM: perf: a smart tool to analyse kvm events Xiao Guangrong
2012-01-16  9:31 ` [PATCH 1/3] KVM: trace mmio read event properly Xiao Guangrong
2012-01-16 10:18   ` Avi Kivity
2012-01-17  2:36     ` Xiao Guangrong
2012-01-16  9:32 ` [PATCH 2/3] KVM: improve trace events of vmexit/mmio/ioport Xiao Guangrong
2012-01-16  9:38   ` Avi Kivity [this message]
2012-01-17  2:28     ` Xiao Guangrong
2012-01-17 11:55       ` Marcelo Tosatti
2012-01-17 17:31         ` David Ahern
2012-01-18  2:32           ` Xiao Guangrong
2012-01-18  5:34             ` David Ahern
2012-01-24 12:44       ` Avi Kivity
2012-01-16  9:32 ` [PATCH 3/3] KVM: perf: kvm events analysis tool Xiao Guangrong
2012-01-16 10:04   ` Avi Kivity
2012-01-17  2:30     ` Xiao Guangrong
2012-01-24 12:49       ` Avi Kivity
2012-01-16 10:08   ` Stefan Hajnoczi
2012-01-17  2:37     ` Xiao Guangrong
2012-01-17 11:59     ` Marcelo Tosatti
2012-01-24 12:51       ` Avi Kivity
2012-01-16 10:11 ` [RFC][PATCH] KVM: perf: a smart tool to analyse kvm events Avi Kivity
2012-01-17  2:30   ` Xiao Guangrong
2012-01-16 22:53 ` David Ahern
2012-01-17  2:41   ` Xiao Guangrong
2012-01-17  4:49     ` David Ahern

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