From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f172.google.com (mail-il1-f172.google.com [209.85.166.172]) (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 A463219AA68 for ; Thu, 10 Oct 2024 17:04:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728579887; cv=none; b=C9d1d5LyuFOKKGhCklGNQEfMMXVt4BDb0YSqaep+ZAv47D5FfKpxgbKbpsYR4N0iwcPPQP4tgAfPkxXzeKLqv/gCRVEqnuwSsbyw6wveeptbJTQYSRPE3ztwGbiI2Sk3t/4rqh+qmGEdLGqRn8cfe/CBYLn7bYLRQJSWRIVjGHg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728579887; c=relaxed/simple; bh=i5dx0UhQ/tTF7VQwfxB7kDXoCRCqQDi/mml7CFO95Q0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cQ4hN/osnmrESEl0P2AX2lGtT4Oaa3tL8OgBl2BP4GbAAUCtuKumTK1Xj9WOWHRSUFRJ6K5kKhH8UPNPRnzWgYMRJKIJg3BUa42JXVbON2+rr+1N/GE0vJ4CfY0yp3/whnVgrAiv9xlxze9pz6JAJCa6Bxo0NM2z9Ea2JmokfK8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linuxfoundation.org; spf=pass smtp.mailfrom=linuxfoundation.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DiY/AwjH; arc=none smtp.client-ip=209.85.166.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linuxfoundation.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DiY/AwjH" Received: by mail-il1-f172.google.com with SMTP id e9e14a558f8ab-3a3a5cd2a3bso6316145ab.3 for ; Thu, 10 Oct 2024 10:04:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=google; t=1728579885; x=1729184685; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=hUDkh/kjwV3Ai2AwiP8Kl7C0pSMOQvoqahsvYlIjyPA=; b=DiY/AwjH3vRMI8RIly/8DBpdIklJc4macdRuaz7zn4YVoIczvq2qSJ2bZHOinEBign dQD5AUcR9pOO7FMPC7vnLuPVvn0Px1iZBhrTp3Gtl/koseS7A79zSGy+l/lL/3xkK2yO XCuRSHMmBBjlLU/bGNozV19ei8CJoBTvwoQ+M= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728579885; x=1729184685; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=hUDkh/kjwV3Ai2AwiP8Kl7C0pSMOQvoqahsvYlIjyPA=; b=KWs70vu3sB9RjUg9+rKTofVfXwrVJTJk4GfOGsj0ngubXgKDLIomRqpDz4CrFTYBa3 Z6AGE5wdVEs8HcQzhdF1/Urbvrh9gopdiR7BZY/g6QBYl1tpTr7JbbUrZFe5EmHrVGkt lv2g4/vSuFny13JyerSRCjIIOlvKs7O0RXNsWkUhal4x/wg6uGFQF5RQbVMZiRVxL90z 97W1gtFRCYcoTpzxUCKy+WfGOlqfElN4pEpEJFxkOGmuH+tC9SrKMdXhKd1aOSueSOUI uVZxpAF9KZNNTqxu1EhwAL0xw70Ggd5KAPlLtYHtXITxtH/WMsoDtYg9tzbzQfcEY5h2 8ksA== X-Forwarded-Encrypted: i=1; AJvYcCUAETrOPr2TMPwdcQLHYZE3l9ZuvT9F9UCgeQWvy5A3YnWf3hNtUGSjVfEB7TBdxIDTeOEnw9yDu2e1MDNsWWU=@vger.kernel.org X-Gm-Message-State: AOJu0Yw5yWMTQAybsFH5nZ0QRYkH/bcBobg6DDSPWpbeIwMi/pfRhUYd mwcm7F1mGFHeVOi30TqAqWmlc8YlEJt54s+Mzs0EcWnLHGpvIXRiIF8IoRccPqk= X-Google-Smtp-Source: AGHT+IEmIOQmx+WWs5L52kh0YJyVZPtoP5znB1H5OJDnusEZHA3cnEBsF6SLubdvdK9UJeIt/LZ+bQ== X-Received: by 2002:a05:6e02:178d:b0:3a3:9337:4ce2 with SMTP id e9e14a558f8ab-3a397cda124mr63977615ab.2.1728579884706; Thu, 10 Oct 2024 10:04:44 -0700 (PDT) Received: from [192.168.1.128] ([38.175.170.29]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-4dbada84990sm311977173.113.2024.10.10.10.04.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Oct 2024 10:04:44 -0700 (PDT) Message-ID: <63a7811c-c2cb-472f-bfa1-3b45bc65da10@linuxfoundation.org> Date: Thu, 10 Oct 2024 11:04:43 -0600 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] ftrace/selftest: Test combination of function_graph tracer and function profiler To: "Masami Hiramatsu (Google)" , Steven Rostedt Cc: LKML , Linux Trace Kernel , Mathieu Desnoyers , linux-kselftest@vger.kernel.org, Shuah Khan References: <20241004145618.18436d7e@gandalf.local.home> <20241008093314.8b263b6bd2e23c6a8345b65f@kernel.org> Content-Language: en-US From: Shuah Khan In-Reply-To: <20241008093314.8b263b6bd2e23c6a8345b65f@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/7/24 18:33, Masami Hiramatsu (Google) wrote: > On Fri, 4 Oct 2024 14:56:18 -0400 > Steven Rostedt wrote: > >> From: Steven Rostedt >> >> Masami reported a bug when running function graph tracing then the >> function profiler. The following commands would cause a kernel crash: >> >> # cd /sys/kernel/tracing/ >> # echo function_graph > current_tracer >> # echo 1 > function_profile_enabled >> >> In that order. Create a test to test this two to make sure this does not >> come back as a regression. >> >> Link: https://lore.kernel.org/172398528350.293426.8347220120333730248.stgit@devnote2 >> > > Looks good to me. > > Acked-by: Masami Hiramatsu (Google) > > Thanks! > >> Signed-off-by: Steven Rostedt (Google) Steve, Would you like me take this one through my tree? thanks, -- Shuah