From patchwork Wed May 4 18:48:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ali Saidi X-Patchwork-Id: 12838400 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 CC356C433F5 for ; Wed, 4 May 2022 18:51:13 +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: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:In-Reply-To:References: List-Owner; bh=iO8sxZKdcKEY7iMQrJtMZTDYUQxMMB6IUYY6Z50oH2k=; b=AT8vjzTWGKT6QB 9V0Jw8+WIeYeE3qyWFCBatktZaAWKX123Wg8PFwqiaqosC185Uy8ZgcRGi93GoK8pxKlNqrZvJpC5 LV2TR9cv4tnTThX9kFMcPYcdQvIjGAi4FIZJLZ8hvL9Qu/CF0hkK2vmniD/xMrCXGC8WbjwCmWuwj 59xRR9LipGNvHRMUqBy5LbcfKkvMIW0DEMm3VzoBlmisBXG02XO65tVwREVWMIUlL/vKrC+vHkDsb vPg21+t1kBKJVFQ6QMx4nbm+CEIvj6BH8NI2LNFqrAk+yblN6XQR5dBYyeTozTpaSZvKMt02iiuoy ChLIDE5danoH6j54Q9Ug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmK4a-00CD8I-2w; Wed, 04 May 2022 18:50:04 +0000 Received: from smtp-fw-2101.amazon.com ([72.21.196.25]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmK3m-00CCnq-MN for linux-arm-kernel@lists.infradead.org; Wed, 04 May 2022 18:49:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1651690155; x=1683226155; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=h/C/5yjGgoLTn6Dm77IcH1vaUCc1paTnbF0Lky4zSkc=; b=NGww9B5G7HuLUh3cdKYGBmmHbIHR97cM+mM96jJnaSBtGdI89uXJhj4h d/3Yi8AdTf39Jj8fE0JP9ItbQP1xWzwLM/A5JBAsBUEUeXRjmRm29Sfj4 wLcDHgkxksici31WyBUtObC/BgsBBNqEClRY/drrP7A9uK3eLuFEG8PNC U=; X-IronPort-AV: E=Sophos;i="5.91,198,1647302400"; d="scan'208";a="195376184" Received: from iad12-co-svc-p1-lb1-vlan2.amazon.com (HELO email-inbound-relay-pdx-2a-7d84505d.us-west-2.amazon.com) ([10.43.8.2]) by smtp-border-fw-2101.iad2.amazon.com with ESMTP; 04 May 2022 18:49:05 +0000 Received: from EX13MTAUWC002.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan2.pdx.amazon.com [10.236.137.194]) by email-inbound-relay-pdx-2a-7d84505d.us-west-2.amazon.com (Postfix) with ESMTPS id 8094B8388B; Wed, 4 May 2022 18:48:59 +0000 (UTC) Received: from EX13D02UWC001.ant.amazon.com (10.43.162.243) by EX13MTAUWC002.ant.amazon.com (10.43.162.240) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Wed, 4 May 2022 18:48:58 +0000 Received: from EX13MTAUWC001.ant.amazon.com (10.43.162.135) by EX13D02UWC001.ant.amazon.com (10.43.162.243) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Wed, 4 May 2022 18:48:58 +0000 Received: from dev-dsk-alisaidi-1d-b9a0e636.us-east-1.amazon.com (172.19.181.128) by mail-relay.amazon.com (10.43.162.232) with Microsoft SMTP Server id 15.0.1497.32 via Frontend Transport; Wed, 4 May 2022 18:48:58 +0000 Received: by dev-dsk-alisaidi-1d-b9a0e636.us-east-1.amazon.com (Postfix, from userid 5131138) id 7441220F9; Wed, 4 May 2022 18:48:57 +0000 (UTC) From: Ali Saidi To: , , , , , CC: , , , , , , , , , , , , , , , Subject: [PATCH v8 0/4] perf: arm-spe: Decode SPE source and use for perf c2c Date: Wed, 4 May 2022 18:48:45 +0000 Message-ID: <20220504184850.24986-1-alisaidi@amazon.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: Bulk X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220504_114914_940585_6ABFA26F X-CRM114-Status: GOOD ( 14.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 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 When synthesizing data from SPE, augment the type with source information for Arm Neoverse cores so we can detect situtions like cache line contention and transfers on Arm platforms. This changes enables future changes to c2c on a system with SPE where lines that are shared among multiple cores show up in perf c2c output. Changes in v8: * Report NA for both mem_lvl and mem_lvl_num for stores where we have no information Changes in v7: * Minor change requested by Leo Yan Changes in v6: * Drop changes to c2c command which will come from Leo Yan Changes in v5: * Add a new snooping type to disambiguate cache-to-cache transfers where we don't know if the data is clean or dirty. * Set snoop flags on all the data-source cases * Special case stores as we have no information on them Changes in v4: * Bring-in the kernel's arch/arm64/include/asm/cputype.h into tools/ * Add neoverse-v1 to the neoverse cores list Ali Saidi (4): tools: arm64: Import cputype.h perf arm-spe: Use SPE data source for neoverse cores perf mem: Support mem_lvl_num in c2c command perf mem: Support HITM for when mem_lvl_num is any tools/arch/arm64/include/asm/cputype.h | 258 ++++++++++++++++++ .../util/arm-spe-decoder/arm-spe-decoder.c | 1 + .../util/arm-spe-decoder/arm-spe-decoder.h | 12 + tools/perf/util/arm-spe.c | 110 +++++++- tools/perf/util/mem-events.c | 20 +- 5 files changed, 383 insertions(+), 18 deletions(-) create mode 100644 tools/arch/arm64/include/asm/cputype.h