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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 C2964C433E0 for ; Wed, 13 Jan 2021 09:50:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 46420233A2 for ; Wed, 13 Jan 2021 09:50:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727324AbhAMJtw (ORCPT ); Wed, 13 Jan 2021 04:49:52 -0500 Received: from foss.arm.com ([217.140.110.172]:33376 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727271AbhAMJtv (ORCPT ); Wed, 13 Jan 2021 04:49:51 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 983D4101E; Wed, 13 Jan 2021 01:49:05 -0800 (PST) Received: from [10.57.56.97] (unknown [10.57.56.97]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 26FAA3F66E; Wed, 13 Jan 2021 01:49:03 -0800 (PST) Subject: Re: [PATCH V2 09/11] coresight: etm-perf: Truncate the perf record if handle has no space To: Anshuman Khandual , linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org Cc: mathieu.poirier@linaro.org, mike.leach@linaro.org, Linu Cherian , linux-kernel@vger.kernel.org References: <1610511498-4058-1-git-send-email-anshuman.khandual@arm.com> <1610511498-4058-10-git-send-email-anshuman.khandual@arm.com> From: Suzuki K Poulose Message-ID: <70925374-15c7-538a-321e-9af15aa3bd61@arm.com> Date: Wed, 13 Jan 2021 09:48:55 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <1610511498-4058-10-git-send-email-anshuman.khandual@arm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/13/21 4:18 AM, Anshuman Khandual wrote: > While starting off the etm event, just abort and truncate the perf record > if the perf handle as no space left. This avoids configuring both source > and sink devices in case the data cannot be consumed in perf. > > Cc: Mathieu Poirier > Cc: Mike Leach > Cc: Suzuki K Poulose > Signed-off-by: Anshuman Khandual Reviewed-by: Suzuki K Poulose