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From: Leo Yan <leo.yan@linaro.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Peter Zijlstra <peterz@infradead.org>,
	John Garry <john.garry@huawei.com>,
	linux-kernel@vger.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Suleiman Souhlal <suleiman@google.com>,
	Namhyung Kim <namhyung@kernel.org>, Will Deacon <will@kernel.org>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv4] perf kvm: add kvm-stat for arm64
Date: Tue, 13 Oct 2020 23:29:34 +0800	[thread overview]
Message-ID: <20201013152934.GC24974@leoy-ThinkPad-X240s> (raw)
In-Reply-To: <20201013143709.GD1063281@kernel.org>

On Tue, Oct 13, 2020 at 11:37:09AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Sep 29, 2020 at 12:34:50PM +0900, Sergey Senozhatsky escreveu:
> > On (20/09/17 19:02), Sergey Senozhatsky wrote:
> > > Add support for perf kvm stat on arm64 platform.
> 
> > > Example:
> > >  # perf kvm stat report
> 
> > > Analyze events for all VMs, all VCPUs:
> 
> > >     VM-EXIT    Samples  Samples%     Time%    Min Time    Max Time         Avg time
> > > 
> > >    DABT_LOW     661867    98.91%    40.45%      2.19us   3364.65us      6.24us ( +-   0.34% )
> > >         IRQ       4598     0.69%    57.44%      2.89us   3397.59us   1276.27us ( +-   1.61% )
> > >         WFx       1475     0.22%     1.71%      2.22us   3388.63us    118.31us ( +-   8.69% )
> > >    IABT_LOW       1018     0.15%     0.38%      2.22us   2742.07us     38.29us ( +-  12.55% )
> > >       SYS64        180     0.03%     0.01%      2.07us    112.91us      6.57us ( +-  14.95% )
> > >       HVC64         17     0.00%     0.01%      2.19us    322.35us     42.95us ( +-  58.98% )
> 
> > > Total Samples:669155, Total events handled time:10216387.86us.
> 
> > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> > > Reviewed-by: Leo Yan <leo.yan@linaro.org>
> > > Tested-by: Leo Yan <leo.yan@linaro.org>
> 
> > Arnaldo, any opinion on this?
> 
> I'm not finding the actual patch, just this reply from you, lets try
> with b4 using this message Message-Id... Magic! But it isn't applying,
> can you please refresh the patch to what is in my perf/core branch?

I did a quick trying, the merge confliction is caused by the file
tools/perf/arch/arm64/util/Build (for the new added tsc.c).

@Sergey, please help to rebase on the latest perf/core branch [1].

Thanks,
Leo

[1] https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git branch: perf/core

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  reply	other threads:[~2020-10-13 15:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-17 10:02 [PATCHv4] perf kvm: add kvm-stat for arm64 Sergey Senozhatsky
2020-09-29  3:34 ` Sergey Senozhatsky
2020-10-13 14:37   ` Arnaldo Carvalho de Melo
2020-10-13 15:29     ` Leo Yan [this message]
2020-10-27  5:56       ` Sergey Senozhatsky

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