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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CE8DC10F25 for ; Mon, 9 Mar 2020 22:45:54 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1CA122253D for ; Mon, 9 Mar 2020 22:45:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1CA122253D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C2B7D6E11B; Mon, 9 Mar 2020 22:45:53 +0000 (UTC) Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id A4BCA6E11B for ; Mon, 9 Mar 2020 22:45:52 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from localhost (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP (TLS) id 20501842-1500050 for multiple; Mon, 09 Mar 2020 22:45:48 +0000 MIME-Version: 1.0 In-Reply-To: <20200309211057.38575-1-umesh.nerlige.ramappa@intel.com> References: <20200309211057.38575-1-umesh.nerlige.ramappa@intel.com> To: Ashutosh Dixit , Lionel G Landwerlin , Umesh Nerlige Ramappa , intel-gfx@lists.freedesktop.org From: Chris Wilson Message-ID: <158379394745.16414.17306357927869351535@build.alporthouse.com> User-Agent: alot/0.8.1 Date: Mon, 09 Mar 2020 22:45:47 +0000 Subject: Re: [Intel-gfx] [PATCH] drm/i915/perf: Invalidate OA TLB on when closing perf stream X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Quoting Umesh Nerlige Ramappa (2020-03-09 21:10:57) > On running several back to back perf capture sessions involving closing > and opening the perf stream, invalid OA reports are seen in the > beginning of the OA buffer in some sessions. Fix this by invalidating OA > TLB when the perf stream is closed or disabled on gen12. > > Signed-off-by: Umesh Nerlige Ramappa Testcase? -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx