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From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>, Mark Rutland <mark.rutland@arm.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Will Deacon <will@kernel.org>, John Garry <john.garry@huawei.com>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Suleiman Souhlal <suleiman@google.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Subject: Re: [PATCHv4] perf kvm: add kvm-stat for arm64
Date: Tue, 29 Sep 2020 12:34:50 +0900	[thread overview]
Message-ID: <20200929033450.GB529@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <20200917100225.208794-1-sergey.senozhatsky@gmail.com>

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?

	-ss

WARNING: multiple messages have this Message-ID (diff)
From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	John Garry <john.garry@huawei.com>,
	linux-kernel@vger.kernel.org,
	Suleiman Souhlal <suleiman@google.com>,
	Leo Yan <leo.yan@linaro.org>, 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, 29 Sep 2020 12:34:50 +0900	[thread overview]
Message-ID: <20200929033450.GB529@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <20200917100225.208794-1-sergey.senozhatsky@gmail.com>

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?

	-ss

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  reply	other threads:[~2020-09-29  3:34 UTC|newest]

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

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