From nobody Mon Feb 9 15:50:31 2026 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (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 BF2181BC9F6; Sun, 15 Dec 2024 19:07:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734289643; cv=none; b=R24+VU2dqj3ekVXveB0y/oADiWO6Q/2Bg9GSn+ZEqfWR6vCVrvufpaaFzPg4bVI3ffrLH9fA/wm/RnU7dFIPBhIYCTp7iSRSXpPEDAU0fxvueT7SiEzXf+iPzusw5XsAQlPypt/qrdhLRioWYLsklcAmm+bIZFhJj5g5Dckp7j4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734289643; c=relaxed/simple; bh=6xh0bVck0B8lgk6GVIh6/cpRZPxwDwkzpZZ20BQCKxw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JFYkG3Tjkb4hrb8gugPsrpI4UnJ2Pob4yP0cxF08qzte5IGv7cLzlI8Lfx1lL9qIPuQCBtVWL05r/3OkXBxxOcPJg/bp+e+Fo4YHEQK3iY0uMOPOXl42Ac0bf04ddNqbT2Xmr4HRJbBuRBYMfIJhuqSpc/iGS+DtNVVRnldVcxc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Zyh+RwdA; arc=none smtp.client-ip=209.85.210.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Zyh+RwdA" Received: by mail-pf1-f178.google.com with SMTP id d2e1a72fcca58-728eedfca37so3529701b3a.2; Sun, 15 Dec 2024 11:07:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1734289641; x=1734894441; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4NADZafaFYONt5GwVPkj5cWf8xMDXWYD7ZnFNifYBYQ=; b=Zyh+RwdAVqhMZz+9C5HLiQwsds2WhPQg7QAMLjBUAESVsr30Hi2C/35eBL4hCvLvnt CJ1AYMWKvcXUOIIg0MFdZofuV60B16mzyd+1e+KFwys6oeJdFsSAILq5PMhs1mXKRiPq 5Vw7F4BEdUGMiWZkcvp+Yb8pb2DdfJa8KcRAGU3nXSo5RFlMy3frmOakA0Sl6Dg4Giud Rua29AU8jpDhp5cHPsx6HN5rqn0qgOuM82CvMfzt0InBe/u0RENUREhwrHKzhwsBNXvA q/6L3VmMtPAmgh2kHQUJW1j/dXrgTC6qwx/p+hGtQYY17ZEEsDOCdL8L57P7GDD4aEKx NUrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734289641; x=1734894441; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4NADZafaFYONt5GwVPkj5cWf8xMDXWYD7ZnFNifYBYQ=; b=O41MYpbnnSH3e1egnf39Y6mIZ/8/7EeuJn0RB5eSK8MKp4wCIaorMo5QoibAz5hKCv QkN7Ap8KAeVDlVM9ME6HYPa6m18v6qrVwwFSZ5ffiW/1iN2ryhhs/Jtu5b0LwvCKMdvP ykrzGTekUgJogc8XhJPXpgJlojBV+dwOewLoteHZBMzTp9LdSEj1fwuAGaW+rwVcUfgf n7EcoPpzncrcWn0AhqXqzGFJ405EW23UmxzyXr/MsiDxr36YPfTS8tPJ2XQ0cKHiv0k2 BHKbEN0WUQb6QkdyLESjjzZx0Wtb+KeL1aTLVhBvAJixuoJIK+Ju1eup3E5QdpbumWud +xxQ== X-Forwarded-Encrypted: i=1; AJvYcCU5iSEqMzi+uqGufSXdaU9iDOuTv+gZVgctBEFiElqF9WYHsnPA+JPjOsMrGCLWitwIBond03OEPKr+twjyxFurzA==@vger.kernel.org, AJvYcCWqe40Vrqlf1KrY/4S56EGr5fkU84HfwYlWH6+Ht3ciG1nRNe+O1rsNNdVa+sXLsT7jyLefoa+Yab0qUjs=@vger.kernel.org X-Gm-Message-State: AOJu0YzUph6DB6SVsBUorcoKX2ceBhamO7EWNDMZPTc422SlaDjnNy2i XL72Awjpvv77TCf40uJegpAPbkkMT5NTGZAVE3HEsi4Uf/CUMCCx X-Gm-Gg: ASbGncuIZKorOd1NGp6MZygezbAXiw7Tic9/kf3ZJTXr4Ja0jYBC3wXm4BMnUbryTA/ zHSUE1rzUF4r7YpW9qFTOv0ssgdBEENDuseOBRO1z1VqAp9d4L8hBtQlb0g9Sbb6OK0yH3GiWx3 OJlZ9lRfpKf5y6Q77RxhIIjA1gMBG768DE8Tk+aKLqEbUNQ7JdKVfEsEaarLKMdwJB89kQFy3Ku LPyexz9FYgFy8ymcne6+sR7GuUu9MWVVrZLuOqvSfULCNJt7HtGlc5gwK+LfBa2Px7vm5XxG8db ERs/TRzBo6zh X-Google-Smtp-Source: AGHT+IGWuZzIHYx26WJG3udF9t3rY1MU/RzOW8QnwyP2bx2TC09CTtFrRw3MM2xcROEJ/OT+lG1Clg== X-Received: by 2002:a05:6a20:9188:b0:1e1:b727:181a with SMTP id adf61e73a8af0-1e1dfd93f3emr15924394637.24.1734289641167; Sun, 15 Dec 2024 11:07:21 -0800 (PST) Received: from mbp.lan (c-73-202-46-50.hsd1.ca.comcast.net. [73.202.46.50]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-801d5aaf3e6sm2800453a12.23.2024.12.15.11.07.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Dec 2024 11:07:20 -0800 (PST) From: Howard Chu To: acme@kernel.org Cc: namhyung@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, kan.liang@linux.intel.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Howard Chu Subject: [PATCH v4 2/2] perf docs: Add documentation for --force-btf option Date: Sun, 15 Dec 2024 11:07:11 -0800 Message-ID: <20241215190712.787847-3-howardchu95@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241215190712.787847-1-howardchu95@gmail.com> References: <20241215190712.787847-1-howardchu95@gmail.com> 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 Content-Type: text/plain; charset="utf-8" The --force-btf option is intended for debugging purposes and is currently undocumented. Add documentation for it. Signed-off-by: Howard Chu --- tools/perf/Documentation/perf-trace.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documenta= tion/perf-trace.txt index 6e0cc50bbc13..fb3d2af33844 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -241,6 +241,11 @@ the thread executes on the designated CPUs. Default is= to monitor all CPUs. printing using the existing 'perf trace' syscall arg beautifiers to map i= nteger arguments to strings (pid to comm, syscall id to syscall name, etc). =20 +--force-btf:: + Use btf_dump to pretty print syscall argument data, instead of using hand= -crafted pretty + printers. This option is intended for testing BTF integration in perf tra= ce. btf_dump-based + pretty-printing serves as a fallback to hand-crafted pretty printers, as = the latter can + better pretty-print integer flags and struct pointers. =20 PAGEFAULTS ---------- --=20 2.43.0