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 E3C4DC433F5 for ; Fri, 22 Apr 2022 18:50:48 +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=KpMU62ua/iLjzrgfe1B+gS/Xeluu40w1+LrkWZLxuKI=; b=V3LS5jJ1O14VBn L9xfsRz4oODOadiGlKclq9wBjSYgR3Mj3TTeSEYcSnM3nP2Pclkn5Fv4wB8fwNnL4p7Z0g+MAvIfo LuBfQ/820eJe7t9rhfCLbx5aHy/ldv9HzBCpd+yvSYHlY6gAzDou/rGx0gbFbKcS3i58TKp+iNSw+ 1ZGBXFORaGIuEmDPvcSE/g4tEYYBKp5zU0rVXXyc66FC6tCCXZmOPAhuO/VvkIK6zKurmhL0I5IG5 5dSDy3t8d+m6312qj1siVKgwnjop/opd+Yhd6YFWmvwpKde8/cO7unx1I0bbUdtkPriTAoRJovnfU jAWT2tYKWCPmew7z4RMQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nhyLk-0021YY-73; Fri, 22 Apr 2022 18:49:48 +0000 Received: from smtp-fw-80006.amazon.com ([99.78.197.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nhyLg-0021XH-E6 for linux-arm-kernel@lists.infradead.org; Fri, 22 Apr 2022 18:49:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1650653385; x=1682189385; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lBEP3yfW+gSsSIiEuVGb2PQCOs59R1mC2rICVUQuKX8=; b=q/9HIlclMe/m880WL+YFnKqi1o04sgb+7t+o6E/6N+452DCcNgBVESC9 vfQ8D7x6o/34CVgPC2hOeQPCxacb8VNbsJIAjzjCanEcfhTIma4UWlF/+ l0GeJ8URB/ZQE7DHHH6lTI7GLEQUb/2LAt4lpttG6KG3pamx+e1USCPml M=; X-IronPort-AV: E=Sophos;i="5.90,282,1643673600"; d="scan'208";a="82236207" Received: from pdx4-co-svc-p1-lb2-vlan3.amazon.com (HELO email-inbound-relay-pdx-2a-2dbf0206.us-west-2.amazon.com) ([10.25.36.214]) by smtp-border-fw-80006.pdx80.corp.amazon.com with ESMTP; 22 Apr 2022 18:49:42 +0000 Received: from EX13MTAUWB001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan2.pdx.amazon.com [10.236.137.194]) by email-inbound-relay-pdx-2a-2dbf0206.us-west-2.amazon.com (Postfix) with ESMTPS id BC995A27D4; Fri, 22 Apr 2022 18:49:40 +0000 (UTC) Received: from EX13D02UWB003.ant.amazon.com (10.43.161.48) by EX13MTAUWB001.ant.amazon.com (10.43.161.249) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Fri, 22 Apr 2022 18:49:40 +0000 Received: from EX13MTAUEA001.ant.amazon.com (10.43.61.82) by EX13D02UWB003.ant.amazon.com (10.43.161.48) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Fri, 22 Apr 2022 18:49:40 +0000 Received: from dev-dsk-alisaidi-1d-b9a0e636.us-east-1.amazon.com (172.19.181.128) by mail-relay.amazon.com (10.43.61.243) with Microsoft SMTP Server id 15.0.1497.32 via Frontend Transport; Fri, 22 Apr 2022 18:49:39 +0000 Received: by dev-dsk-alisaidi-1d-b9a0e636.us-east-1.amazon.com (Postfix, from userid 5131138) id 80DBB1783; Fri, 22 Apr 2022 18:49:39 +0000 (UTC) From: Ali Saidi To: CC: , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v5 2/5] perf: Add SNOOP_PEER flag to perf mem data struct Date: Fri, 22 Apr 2022 18:49:34 +0000 Message-ID: <20220422184934.29270-1-alisaidi@amazon.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: Bulk X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220422_114945_188899_F60F31DC X-CRM114-Status: GOOD ( 12.01 ) 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: , 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, 20 Apr 2022 18:43:28, Kan Liang wrote: > On 4/8/2022 3:53 PM, Ali Saidi wrote: > > Add a flag to the perf mem data struct to signal that a request caused a > > cache-to-cache transfer of a line from a peer of the requestor and > > wasn't sourced from a lower cache level. > > It sounds similar to the Forward state. Why can't the > PERF_MEM_SNOOPX_FWD be reused? Is there a definition of SNOOPX_FWD i can refer to? Happy to use this instead if the semantics align between architectures. Thanks, Ali _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel