From mboxrd@z Thu Jan 1 00:00:00 1970 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 5AF9AC77B73 for ; Wed, 31 May 2023 16:00:32 +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:Subject:CC:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=O2zwOUrAn6idSy66Z8NHr3qShO84jsFE/yKFyxZjXaI=; b=yAsTIhXgH+li8Z ltypLiclr/9W6EpQ4S/ReB/FkJ0ZanFhR0aKAvy0wxJEUjKE+LObO9UcnU43QehHN4ejl4SRUC/gB PYwbXYTMV848j9MezrSvHPQGxfEumvCKkLOEidoKHXddaiqcg0P63J8q2O33QAGc2xZkocSU8Pa0R N8Z+eUeQeXYX7OyG+XLK5dY+IoiEXxhPS8z2Frs0L0/GUFJBv+xzwd90G9mUw+ZRM9HiFJfsUgn/c +PYctgVou3aakq3pee0yXIiICLMx30bmWtbCpbP5PCjQSwbX+aXLLdgWTR3WkfKM6h9Q5OjQuIvkw LzS+WEI5KP2NOI8am3vQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q4OF7-000Ofk-0E; Wed, 31 May 2023 16:00:09 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q4OF4-000Of4-2L for linux-arm-kernel@lists.infradead.org; Wed, 31 May 2023 16:00:08 +0000 Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4QWYkJ6M8tz6J7Sx; Wed, 31 May 2023 23:55:04 +0800 (CST) Received: from localhost (10.202.227.76) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Wed, 31 May 2023 17:00:02 +0100 Date: Wed, 31 May 2023 17:00:01 +0100 From: Jonathan Cameron To: Junhao He CC: , , , , , , , , Subject: Re: [PATCH v2 3/3] docs: perf: Add new description for HiSilicon UC PMU Message-ID: <20230531170001.00005210@Huawei.com> In-Reply-To: <20230531104625.18296-4-hejunhao3@huawei.com> References: <20230531104625.18296-1-hejunhao3@huawei.com> <20230531104625.18296-4-hejunhao3@huawei.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 X-Originating-IP: [10.202.227.76] X-ClientProxiedBy: lhrpeml500005.china.huawei.com (7.191.163.240) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230531_090006_910304_62F0C297 X-CRM114-Status: GOOD ( 15.78 ) 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-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 Wed, 31 May 2023 18:46:25 +0800 Junhao He wrote: > 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 Seems reasonable to me. Reviewed-by: Jonathan Cameron > --- > 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel