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Thu, 20 May 2021 03:22:34 +0000 Received: from dggems703-chm.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Flw1s5hfgzqV70; Thu, 20 May 2021 11:18:57 +0800 (CST) Received: from dggema757-chm.china.huawei.com (10.1.198.199) by dggems703-chm.china.huawei.com (10.3.19.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Thu, 20 May 2021 11:22:27 +0800 Received: from [127.0.0.1] (10.69.38.203) by dggema757-chm.china.huawei.com (10.1.198.199) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 20 May 2021 11:22:27 +0800 Subject: Re: [PATCH v4 1/2] docs: perf: Add description for HiSilicon PCIe PMU driver To: John Garry , , , CC: , , , , References: <1621417741-5229-1-git-send-email-liuqi115@huawei.com> <1621417741-5229-2-git-send-email-liuqi115@huawei.com> From: "liuqi (BA)" Message-ID: Date: Thu, 20 May 2021 11:22:20 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB X-Originating-IP: [10.69.38.203] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggema757-chm.china.huawei.com (10.1.198.199) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210519_202233_194277_0B7941A6 X-CRM114-Status: GOOD ( 10.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi John, On 2021/5/19 19:44, John Garry wrote: > On 19/05/2021 10:49, Qi Liu wrote: >> PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported on >> HiSilicon HIP09 platform. Document it to provide guidance on how to >> use it. >> >> Signed-off-by: Qi Liu > > Reviewed-by: John Garry > > JFYI, perf tool iostat support is in 5.13-rc1, so we can look to add > support for this HW as well in future. > > My impression is that we should use metricgroups. > Yes, perf iostat makes it easier for users to monitor PCIe bandwidth. I'll add perf iostat for HiSilicon PCIe PMU latter. Thanks, Qi > Thanks, > John > > . _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel