From patchwork Thu Jun 8 11:37:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Junhao He X-Patchwork-Id: 13272160 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 7E470C7EE23 for ; Thu, 8 Jun 2023 11:39:58 +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=EG3LnS0H59IIxjWIZ+W5mhcDm2v6GhAHXaBErXwBEhE=; b=LZIoObtG5/80yQ AGtndQTu83DZ7h6/qIDKr0ihlWhQ8pPHwLvABwVxhpQQmH1M3yMj42QfVKUu+trPJce5A8BA2B4bM 04MONg4ehcGwJLiCU8leSm8sotMmxUWOPeoYctkIIR5e8/F2wPP+BanRPMaYY4tABQ8znT+qZGN1c ia9CAaB40tbymdlbNSN0psj3rZV2HeidIin+srJnWWj/qJKfK7lX0HlzL87x9ch3gifnvRlNUxUgJ 97ugib1cDT6aGN7J8Yyd1tFVOJgIRL00t1ZhPLQR0+K5xWwq5BtJxfbKBCwSZ1OYwJnY1suD07DQr WHorptCNL92RIMV2HspQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q7DzL-009BU6-1h; Thu, 08 Jun 2023 11:39:35 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q7DzI-009BQZ-0P for linux-arm-kernel@lists.infradead.org; Thu, 08 Jun 2023 11:39:33 +0000 Received: from dggpeml500002.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4QcMcp4DKyzkXJn; Thu, 8 Jun 2023 19:36:58 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by dggpeml500002.china.huawei.com (7.185.36.158) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Thu, 8 Jun 2023 19:39:21 +0800 From: Junhao He To: , , , CC: , , , , , , Subject: [PATCH v3 3/3] docs: perf: Add new description for HiSilicon UC PMU Date: Thu, 8 Jun 2023 19:37:19 +0800 Message-ID: <20230608113719.27433-4-hejunhao3@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230608113719.27433-1-hejunhao3@huawei.com> References: <20230608113719.27433-1-hejunhao3@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500002.china.huawei.com (7.185.36.158) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230608_043932_355305_E9BCEB00 X-CRM114-Status: GOOD ( 10.55 ) 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 A new function is added on HiSilicon uncore UC PMU. The UC PMU support to filter statistical information based on the specified tx request uring channel. Make user configuration through "uring_channel" parameter. Document them to provide guidance on how to use them. Signed-off-by: Junhao He Reviewed-by: Jonathan Cameron Reviewed-by: Yicong Yang --- Documentation/admin-guide/perf/hisi-pmu.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/admin-guide/perf/hisi-pmu.rst b/Documentation/admin-guide/perf/hisi-pmu.rst index 546979360513..939a524fa1d6 100644 --- a/Documentation/admin-guide/perf/hisi-pmu.rst +++ b/Documentation/admin-guide/perf/hisi-pmu.rst @@ -98,6 +98,14 @@ CCL/ICL-ID. For I/O die, the ICL-ID is followed by: 5'b00011: HAC_ICL; 5'b10000: PCIe_ICL; +(e) uring_channel: UC PMU events 0x47~0x59 supports filtering by tx request +uring channel. It is 2 bits. Some important codes are as follows: +2'b11: count the events which sent to the uring_ext (MATA) channel; +2'b01: is the same as 2'b11; +2'b10: count the events which sent to the uring (non-MATA) channel; +2'b00: default value, count the events which sent to the both uring and + uring_ext channel; + Users could configure IDs to count data come from specific CCL/ICL, by setting srcid_cmd & srcid_msk, and data desitined for specific CCL/ICL by setting tgtid_cmd & tgtid_msk. A set bit in srcid_msk/tgtid_msk means the PMU will not