From nobody Wed Dec 17 17:29:12 2025 Received: from dysnomia.uberspace.de (dysnomia.uberspace.de [185.26.156.223]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 223BB152E03 for ; Tue, 9 Jul 2024 09:56:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.26.156.223 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720518976; cv=none; b=ft1DbWBpZIV4QPOG4CnA5zxeCtuifz5CNQrqHcftvhRD3MVpxt/VigXcPU7ZY/+T2UxjFxJMlnQZg+hWxuTVj/FrcVnvj3fWVAzSW3gzoFSUBzYFnSfaqK++BULLFo5Ufvwg8xlTptllVzCjotOvcyiXXzFxUZucC24rlKZ/Tyc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720518976; c=relaxed/simple; bh=J28vytkAXeItdQ7/bjBTdps+euXBoHmzPP3WrYWLhbA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=AtvC0jJ6D/QRTiSKjyPIW3BmFatASbui7HVUKeHVv3JKySYZ4LtwaoyaQU09scB4rYj2p/52i050x57UyYcQRwTx378LrgWHtta/+mluKeDuzEbOD56HVgf1qNBKiN0M0cD48GVECDAuUGwyAdnPBiJrxW6gzh5wlTFyN16h5WE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lublin.se; spf=pass smtp.mailfrom=lublin.se; dkim=fail (0-bit key) header.d=lublin.se header.i=@lublin.se header.b=afTHkUMp reason="key not found in DNS"; arc=none smtp.client-ip=185.26.156.223 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lublin.se Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lublin.se Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=lublin.se header.i=@lublin.se header.b="afTHkUMp" Received: (qmail 32309 invoked by uid 989); 9 Jul 2024 09:49:29 -0000 Authentication-Results: dysnomia.uberspace.de; auth=pass (plain) Received: from unknown (HELO unkown) (::1) by dysnomia.uberspace.de (Haraka/3.0.1) with ESMTPSA; id C17CC1C002A; Tue, 09 Jul 2024 11:49:28 +0200 (CEST) From: Daniel Lublin To: Jonathan Corbet Cc: Daniel Lublin , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] Documentation: add reference from dynamic debug to loglevel kernel params Date: Tue, 9 Jul 2024 11:49:10 +0200 Message-ID: <4c1da56d2f123af8566744ab61c9d41e0b32de64.1720518466.git.daniel@lublin.se> X-Mailer: git-send-email 2.45.2 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-Rspamd-Bar: + X-Rspamd-Report: BAYES_HAM(-0.125073) MIME_GOOD(-0.1) MID_CONTAINS_FROM(1) FORGED_SENDER(0.3) R_MISSING_CHARSET(0.5) X-Rspamd-Score: 1.574926 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lublin.se; s=uberspace; h=from:to:cc:subject:date; bh=J28vytkAXeItdQ7/bjBTdps+euXBoHmzPP3WrYWLhbA=; b=afTHkUMprtqCajiP7pGX0Eh0e6h8gzpRZUD8HlnOdKYMvkFUlXg+OfBVWbuNk3GSE7FX2aJWeE VzEeFiWyHdj0xIzO8tAbPFwHtqCJDTpJOqcyiwq0G90tZ+cJD/2nz/OBR7sYz6mVqqBW+66kRO8y ts9FzRAxc7ARdvBSorrrz69YNoeA/Lh0tDJrdvy/rFElFEInFG5LsrdBueoH6daXJiNVRfBggvkf v2+dXoNq/SPUhh/LHU/6d6OqMQnPY14z6gQ7fkT5UHEgl0YkOsuWaRH77mabWXF0aFn82JGgudPX Mm1bsnDIZr0AmCvG4WoPhrn6Crlhud04LQzrR3KUBAAplpM3TWHIr/9eo/kDzc4glHBD7bf14CEc 5Ec+9Suqloc40Fp7KMevI1snh+IHduFe8GmBITJ6Y8YjKfeh6I64m6+Go5kovM8G8TlXJNtGNb9L 0ls8dVW4sSJbKGMZraPIRGVSKxROpcXox0H5m5unPvt9/z+TCULJhcrK2LL5b2KOMYs/HLJTvZ+X vyRX/5ekCgA77BpAiftXSxzFRSIllJ9/b22sKP4XXIUHz2IIaBzwQplmcYcBRItaFAfCP0w5i1fJ bWds3DE6MF5na+zfcGsQMoKqtWBsRJZxAVNjJjUTCdvxm+MSpo6T1Nw5OYgz0Vn7qlbZFWKrB5rQ k= Content-Type: text/plain; charset="utf-8" Signed-off-by: Daniel Lublin --- Documentation/admin-guide/dynamic-debug-howto.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/admin-guide/dynamic-debug-howto.rst b/Documentat= ion/admin-guide/dynamic-debug-howto.rst index 0e9b48daf690..7e55097e559d 100644 --- a/Documentation/admin-guide/dynamic-debug-howto.rst +++ b/Documentation/admin-guide/dynamic-debug-howto.rst @@ -26,6 +26,12 @@ Dynamic debug provides: - format string - class name (as known/declared by each module) =20 +NOTE: To actually get the debug-print output on the console, you may +need to adjust the kernel ``loglevel=3D``, or use ``ignore_loglevel``. +Read about these kernel parameters in +:ref:`Documentation/admin-guide/kernel-parameters.rst +`. + Viewing Dynamic Debug Behaviour =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D =20 --=20 2.45.2