From patchwork Thu Nov 17 08:41:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yicong Yang X-Patchwork-Id: 13046321 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4816EC433FE for ; Thu, 17 Nov 2022 08:44:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=e3ye6x72gP/6POhj7/4O7JzE50d0BExTBPdTo2FGgZ0=; b=u6VsH3KS9zlKwW Q3lpRx/mdA9JTWOSaGe/uDoOCNIQVPI7jPsh53nf2HJxNJj8N0hoiq5L+7Sa2cFIm/IjbR+Crb1DA co/KQzaX/TbI1HO5DaKo0zjLmpxL5c9rj/POL1H1BuLuw+I9FjItt0AecnHmw7oZDmXbpzaY/aCZ/ lIYgcEsfOu21Ivb+6cj+7/4kXU1YxrauY9/oBG/KOo0VpEf4ao//68YfvaoEtKI0eptmNyrohot5+ cxLCM5QzdMVoFVE4+UpclnMmp74jlLYlUCkfYKoqPKuZVESicXOluHk6wcgEImdn7I1T5CNovfVt0 Kk/RC6t8MB0jLxxagGbg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovaUA-00Bl06-MR; Thu, 17 Nov 2022 08:43:03 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovaTg-00Bkhe-Jh for linux-arm-kernel@lists.infradead.org; Thu, 17 Nov 2022 08:42:35 +0000 Received: from canpemm500009.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NCYGm6b1RzqSLX; Thu, 17 Nov 2022 16:38:40 +0800 (CST) Received: from localhost.localdomain (10.67.164.66) by canpemm500009.china.huawei.com (7.192.105.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Thu, 17 Nov 2022 16:42:29 +0800 From: Yicong Yang To: Shaokun Zhang , , Jonathan Corbet , Will Deacon , Mark Rutland , , CC: , , , , , , , Subject: [PATCH v3 3/4] Documentation: perf: Indent filter options list of hisi-pcie-pmu Date: Thu, 17 Nov 2022 16:41:35 +0800 Message-ID: <20221117084136.53572-4-yangyicong@huawei.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20221117084136.53572-1-yangyicong@huawei.com> References: <20221117084136.53572-1-yangyicong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.164.66] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To canpemm500009.china.huawei.com (7.192.105.203) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221117_004233_052192_75C72426 X-CRM114-Status: GOOD ( 12.90 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Bagas Sanjaya The "Filter options" list have a rather ugly indentation. Also, the first paragraph after list name is rendered without separator (as continuation from the name). Align the list by indenting the list items and add a blank line separator for each list name. Reviewed-by: Jonathan Cameron Signed-off-by: Bagas Sanjaya Signed-off-by: Yicong Yang --- .../admin-guide/perf/hisi-pcie-pmu.rst | 80 ++++++++++--------- 1 file changed, 43 insertions(+), 37 deletions(-) diff --git a/Documentation/admin-guide/perf/hisi-pcie-pmu.rst b/Documentation/admin-guide/perf/hisi-pcie-pmu.rst index bbe66480ff85..645f08f65429 100644 --- a/Documentation/admin-guide/perf/hisi-pcie-pmu.rst +++ b/Documentation/admin-guide/perf/hisi-pcie-pmu.rst @@ -48,59 +48,65 @@ Filter options -------------- 1. Target filter -PMU could only monitor the performance of traffic downstream target Root Ports -or downstream target Endpoint. PCIe PMU driver support "port" and "bdf" -interfaces for users, and these two interfaces aren't supported at the same -time. --port -"port" filter can be used in all PCIe PMU events, target Root Port can be -selected by configuring the 16-bits-bitmap "port". Multi ports can be selected -for AP-layer-events, and only one port can be selected for TL/DL-layer-events. + PMU could only monitor the performance of traffic downstream target Root + Ports or downstream target Endpoint. PCIe PMU driver support "port" and + "bdf" interfaces for users, and these two interfaces aren't supported at the + same time. -For example, if target Root Port is 0000:00:00.0 (x8 lanes), bit0 of bitmap -should be set, port=0x1; if target Root Port is 0000:00:04.0 (x4 lanes), -bit8 is set, port=0x100; if these two Root Ports are both monitored, port=0x101. + - port -Example usage of perf:: + "port" filter can be used in all PCIe PMU events, target Root Port can be + selected by configuring the 16-bits-bitmap "port". Multi ports can be + selected for AP-layer-events, and only one port can be selected for + TL/DL-layer-events. - $# perf stat -e hisi_pcie0_core0/rx_mwr_latency,port=0x1/ sleep 5 + For example, if target Root Port is 0000:00:00.0 (x8 lanes), bit0 of + bitmap should be set, port=0x1; if target Root Port is 0000:00:04.0 (x4 + lanes), bit8 is set, port=0x100; if these two Root Ports are both + monitored, port=0x101. --bdf + Example usage of perf:: -"bdf" filter can only be used in bandwidth events, target Endpoint is selected -by configuring BDF to "bdf". Counter only counts the bandwidth of message -requested by target Endpoint. + $# perf stat -e hisi_pcie0_core0/rx_mwr_latency,port=0x1/ sleep 5 -For example, "bdf=0x3900" means BDF of target Endpoint is 0000:39:00.0. + - bdf -Example usage of perf:: + "bdf" filter can only be used in bandwidth events, target Endpoint is + selected by configuring BDF to "bdf". Counter only counts the bandwidth of + message requested by target Endpoint. + + For example, "bdf=0x3900" means BDF of target Endpoint is 0000:39:00.0. + + Example usage of perf:: - $# perf stat -e hisi_pcie0_core0/rx_mrd_flux,bdf=0x3900/ sleep 5 + $# perf stat -e hisi_pcie0_core0/rx_mrd_flux,bdf=0x3900/ sleep 5 2. Trigger filter -Event statistics start when the first time TLP length is greater/smaller -than trigger condition. You can set the trigger condition by writing "trig_len", -and set the trigger mode by writing "trig_mode". This filter can only be used -in bandwidth events. -For example, "trig_len=4" means trigger condition is 2^4 DW, "trig_mode=0" -means statistics start when TLP length > trigger condition, "trig_mode=1" -means start when TLP length < condition. + Event statistics start when the first time TLP length is greater/smaller + than trigger condition. You can set the trigger condition by writing + "trig_len", and set the trigger mode by writing "trig_mode". This filter can + only be used in bandwidth events. -Example usage of perf:: + For example, "trig_len=4" means trigger condition is 2^4 DW, "trig_mode=0" + means statistics start when TLP length > trigger condition, "trig_mode=1" + means start when TLP length < condition. + + Example usage of perf:: - $# perf stat -e hisi_pcie0_core0/rx_mrd_flux,trig_len=0x4,trig_mode=1/ sleep 5 + $# perf stat -e hisi_pcie0_core0/rx_mrd_flux,trig_len=0x4,trig_mode=1/ sleep 5 3. Threshold filter -Counter counts when TLP length within the specified range. You can set the -threshold by writing "thr_len", and set the threshold mode by writing -"thr_mode". This filter can only be used in bandwidth events. -For example, "thr_len=4" means threshold is 2^4 DW, "thr_mode=0" means -counter counts when TLP length >= threshold, and "thr_mode=1" means counts -when TLP length < threshold. + Counter counts when TLP length within the specified range. You can set the + threshold by writing "thr_len", and set the threshold mode by writing + "thr_mode". This filter can only be used in bandwidth events. -Example usage of perf:: + For example, "thr_len=4" means threshold is 2^4 DW, "thr_mode=0" means + counter counts when TLP length >= threshold, and "thr_mode=1" means counts + when TLP length < threshold. + + Example usage of perf:: - $# perf stat -e hisi_pcie0_core0/rx_mrd_flux,thr_len=0x4,thr_mode=1/ sleep 5 + $# perf stat -e hisi_pcie0_core0/rx_mrd_flux,thr_len=0x4,thr_mode=1/ sleep 5