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Mon, 28 Sep 2020 20:34:52 -0700 (PDT) Date: Tue, 29 Sep 2020 12:34:50 +0900 From: Sergey Senozhatsky To: Arnaldo Carvalho de Melo Subject: Re: [PATCHv4] perf kvm: add kvm-stat for arm64 Message-ID: <20200929033450.GB529@jagdpanzerIV.localdomain> References: <20200917100225.208794-1-sergey.senozhatsky@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200917100225.208794-1-sergey.senozhatsky@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200928_233455_970046_E70A9EA5 X-CRM114-Status: GOOD ( 11.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Mathieu Poirier , Sergey Senozhatsky , Peter Zijlstra , John Garry , linux-kernel@vger.kernel.org, Suleiman Souhlal , Leo Yan , Namhyung Kim , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 > Reviewed-by: Leo Yan > Tested-by: Leo Yan Arnaldo, any opinion on this? -ss _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel