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[23.128.96.18]) by mx.google.com with ESMTP id c18si21777062ede.125.2021.04.08.05.58.19; Thu, 08 Apr 2021 05:58:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231589AbhDHM5n (ORCPT + 99 others); Thu, 8 Apr 2021 08:57:43 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]:2807 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231371AbhDHM5n (ORCPT ); Thu, 8 Apr 2021 08:57:43 -0400 Received: from fraeml712-chm.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4FGLhh6ZXVz67vP6; Thu, 8 Apr 2021 20:50:28 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml712-chm.china.huawei.com (10.206.15.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Thu, 8 Apr 2021 14:57:31 +0200 Received: from [10.47.1.29] (10.47.1.29) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Thu, 8 Apr 2021 13:57:30 +0100 Subject: Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU To: Jonathan Cameron , Will Deacon CC: "liuqi (BA)" , "mark.rutland@arm.com" , Zhangshaokun , Linuxarm , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" References: <1617788943-52722-1-git-send-email-liuqi115@huawei.com> <1617788943-52722-2-git-send-email-liuqi115@huawei.com> <20210407204004.GB16011@willie-the-truck> <20210408100157.000062f0@Huawei.com> From: John Garry Message-ID: <16a7a3f8-82b5-a113-57c0-a9d575c649bd@huawei.com> Date: Thu, 8 Apr 2021 13:55:02 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: <20210408100157.000062f0@Huawei.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.47.1.29] X-ClientProxiedBy: lhreml716-chm.china.huawei.com (10.201.108.67) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/04/2021 10:01, Jonathan Cameron wrote: > On Wed, 7 Apr 2021 21:40:05 +0100 > Will Deacon wrote: > >> On Wed, Apr 07, 2021 at 05:49:02PM +0800, Qi Liu wrote: >>> PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported >>> to sample bandwidth, latency, buffer occupation etc. >>> >>> Each PMU RCiEP device monitors multiple root ports, and each RCiEP is >>> registered as a pmu in /sys/bus/event_source/devices, so users can >>> select target PMU, and use filter to do further sets. >>> >>> Filtering options contains: >>> event - select the event. >>> subevent - select the subevent. >>> port - select target root ports. Information of root ports >>> are shown under sysfs. >>> bdf - select requester_id of target EP device. >>> trig_len - set trigger condition for starting event statistics. >>> trigger_mode - set trigger mode. 0 means starting to statistic when >>> bigger than trigger condition, and 1 means smaller. >>> thr_len - set threshold for statistics. >>> thr_mode - set threshold mode. 0 means count when bigger than >>> threshold, and 1 means smaller. >>> >>> Reviewed-by: Jonathan Cameron >> >> Do you have a link to this review, please? > > Internal review, so drop the tag. > > Jonathan Hi Will, Are you implying that you would rather that any review for these drivers is done in public on the lists? Cheers, John