From nobody Tue Dec 2 00:25:35 2025 Received: from sg-1-110.ptr.blmpb.com (sg-1-110.ptr.blmpb.com [118.26.132.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 338EC1A5B84 for ; Tue, 25 Nov 2025 05:37:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=118.26.132.110 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764049044; cv=none; b=o52NQgDo3C2hvg3cqgcAb8bdlTK+L3b+jdAlQZ9fQT2d79YIojMFdskfV3zpQ9yUF0Veu6TP8vYoTyy0PWCzS652jkk14IX/q7t7Dey995Fok8fsiBGQQ/yA2hLiE0MB6AK7nee5ukysEU3ZcXCVej4s4+yrtLZ29orIxHR8XCA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764049044; c=relaxed/simple; bh=w5La5jh/Uv+izbAgl+V1CQn4LnGRc796eOW0W2uY7ac=; h=Message-Id:Content-Type:Date:From:Subject:Mime-Version:To; b=amma2uqz7G/kKsxZC5fY0OIpxNqDKEVSpeR89Zug0vzKmb0GYxF6QWXgZteJ2DY0DFT5vsa0EEMrhFD+4sQ34vwiUXFbKrsqeSfNjroXtUaK32d8aqkY6hZdiFvIgmgVr9rHfuO12RUPADo9CzM9YO53+KvWgcZ+bSV9VVUbFek= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=bytedance.com; spf=pass smtp.mailfrom=bytedance.com; dkim=pass (2048-bit key) header.d=bytedance.com header.i=@bytedance.com header.b=ePrgSRei; arc=none smtp.client-ip=118.26.132.110 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=bytedance.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bytedance.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bytedance.com header.i=@bytedance.com header.b="ePrgSRei" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=2212171451; d=bytedance.com; t=1764049027; h=from:subject: mime-version:from:date:message-id:subject:to:cc:reply-to:content-type: mime-version:in-reply-to:message-id; bh=8hT0NKOOjIYiXgplfiKmdVgvR5DExh+esozZ/H+1RSI=; b=ePrgSReitGrQtByYtd1SveM3zt0LGMoYyj64SNi9rn3AB7yUPT2ub+F0TCdaBOvdAimXlk /MN4KK/IHlFCJnFXtXXdmNrlTxpEgpXCBC6RL08Y5HoGHWcDwMUOQEg88MEkgjHTgqRiry OCgy62EWfLCJ5trMAk4ohdoyxK3MMi6O+WPiz96mLz2plsfpr4+cDyAvYThTJu3hlEM5Tx O8Vy/FXSr9dbqvuf7gRX2NgMZjDabgtvs9g93X5efP1yjE9rnVysnJm2BZ84WhbAyjbT2G bq9d8jt60Ev1qkwRrpd4BtCedTN/50MKabBngFs76fvYFJCh3R7FOzj+CL6Xkw== Message-Id: <20251125053406.148219-1-zhangjian.3032@bytedance.com> X-Mailer: git-send-email 2.47.0 Date: Tue, 25 Nov 2025 13:34:06 +0800 From: "Jian Zhang" Subject: [PATCH] Docs: admin/kernel-parameters: Add trace_clock=tai Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Lms-Return-Path: To: "Jonathan Corbet" , "Andrew Morton" , "Borislav Petkov (AMD)" , "Peter Zijlstra (Intel)" , "Pawan Gupta" , "Petr Mladek" , "Feng Tang" , "Paul E. McKenney" , "Kees Cook" , "Arnd Bergmann" , "Frank van der Linden" , "Bjorn Helgaas" , , X-Original-From: Jian Zhang Content-Type: text/plain; charset="utf-8" After CLOCK_TAI is added, add missing option trace_clock=3Dtai. Signed-off-by: Jian Zhang --- Documentation/admin-guide/kernel-parameters.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentatio= n/admin-guide/kernel-parameters.txt index 6c42061ca20e..fdbd2149f321 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -7452,6 +7452,7 @@ mono_raw - Use ktime_get_raw_fast_ns() for time stamps. boot - Use ktime_get_boot_fast_ns() for time stamps. + tai - Use ktime_get_tai_fast_ns() for time stamps. Architectures may add more clocks. See Documentation/trace/ftrace.rst for more details. =20 --=20 2.47.0