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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19377C83F01 for ; Sun, 27 Aug 2023 13:37:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231127AbjH0NhX (ORCPT ); Sun, 27 Aug 2023 09:37:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231238AbjH0NhK (ORCPT ); Sun, 27 Aug 2023 09:37:10 -0400 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DCD311C for ; Sun, 27 Aug 2023 06:37:08 -0700 (PDT) Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-68c0d886ea0so1454705b3a.2 for ; Sun, 27 Aug 2023 06:37:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1693143427; x=1693748227; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=fxGmRwFDOPFQ2VNKBgkXhNqTcIAg/eEBzz2KL/VMfQ4=; b=qLZ111W4W442a6ooOGzUM1cbV+FmoG1PtWYfNcmvLZNHMZ+S1Pe3QzAPziv/zKmvcd HGmEe9NYUdjnAMUFVZEvaO8CcQr1R2pkl3hddzURsk0ho3GLlz90zpAgrpLi9lgbaqHo 4MRWRbUnieXVTh8DRru2qaPkLGmCYg7aJbBeH2/q0w6LCkldc/FCZJiEWOvbtkD2bUhr Gh2mRYFUJZlVOl5pgshjbuiVcdRdrBSc2IPUS4mXdoocrfvpBV2wperkBtIfwC9COw3O dRAhAp6lrv4r7oOr+BvJ+JMRpVYmj/0gC4bL++6SePVNdpH+FwvwkvPwPMcS3rLO4v6c YYgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693143427; x=1693748227; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=fxGmRwFDOPFQ2VNKBgkXhNqTcIAg/eEBzz2KL/VMfQ4=; b=V/LIrvpROuZ+S+6uzqOJsgSp5IBSTKr//Ebkv6Rf3Yf/6AQeMB+5iAweughxeiWjc7 7M9Hvy6unJRPxQu6NCvoRs6dCvgF9EeW9KxRmUx/s0g4dEs8HWtBj4xNbTydZUgCtO1u SFtgAiWJeF1Y7QtQHqi9DyTZ4teF341xZQn0fdmaTRKniflDLHVpeSYvAWx3X/9LohXS Laesd4LJa7nXjpRuA/AUYPgX/UDd3SYWGezeluGljai0tgXzPh7Fe8o35RFoB87+MuTI nRS4EarPvPF7gxpt9munfO6W5XhGpgMBp4xvfCdU0qwbCx30ttZIdSxVTb7Yii3grH2/ oqUQ== X-Gm-Message-State: AOJu0YwKzzlpQYtKFzzRr15s4QZS8oe70F5AHlfW1hsldIPZCly7NfMb BrnUjmKltrxF3hG/853vdKGYzQ== X-Google-Smtp-Source: AGHT+IERYpuwTJTlj0ke5t7pAohCypc8C9ZeCEec+440h7vM7t37OT+xF5GUTjWJ6hrqtpi65H4oqg== X-Received: by 2002:a05:6a21:329f:b0:10f:be0:4dce with SMTP id yt31-20020a056a21329f00b0010f0be04dcemr30895212pzb.8.1693143427445; Sun, 27 Aug 2023 06:37:07 -0700 (PDT) Received: from leoy-huanghe.lan (211-75-219-204.hinet-ip.hinet.net. [211.75.219.204]) by smtp.gmail.com with ESMTPSA id e29-20020a63371d000000b00565eb4fa8d1sm5273627pga.16.2023.08.27.06.37.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Aug 2023 06:37:06 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , James Clark , Suzuki K Poulose , Mike Leach , John Garry , Will Deacon , Mark Rutland , Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Leo Yan Subject: [PATCH v1 0/2] perf cs-etm: Improve timestamp tracing Date: Sun, 27 Aug 2023 21:35:55 +0800 Message-Id: <20230827133557.112494-1-leo.yan@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org This patch series is to improve timestamp handling in per-thread mode. The current code doesn't validate timestamp and always return success for per-thread mode, for a sane implementation, the first patch is to allow validation timestamp tracing in per-thread mode. The second patch is to respect timestamp option "--timestamp" or "-T", when users set this option, the tool will automatically enable hardware timestamp tracing in Arm CoreSight. Leo Yan (2): perf cs-etm: Validate timestamp tracing in per-thread mode perf cs-etm: Respect timestamp option tools/perf/arch/arm/util/cs-etm.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) -- 2.34.1