From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 89B0430EF92; Thu, 8 Jan 2026 18:27:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767896848; cv=none; b=q9WzNMvwy6kLFEO72weQRZjsMWvTMmdxgU/Ixt00M77ww0X4UMhF5PmWbPegXKeag8Jg+BYnp6DlW2lHdPQV2kepygdhCl349oIWcpbnwZH1XEGkfkBhIrqdaoWtu7wRusVtMFaV25Pr8bM4fPuUFrKPSJBGhwnLMtT/KFQQmNo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767896848; c=relaxed/simple; bh=4Vw3X+a+IKioJ+NPJzphxslue2bnilccQe6uqoqbw3o=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=AhiT3EShaFPz6F0boOeFjopRpieujZU7rngygJaR+vc+Fuq3TX1mhybwL/fCkrTFnZwh9UR6EmMQMtI7Fh5p73dB7v0HVet7ZoYqkkQfhqgwbwsF1BC8d8a3ruy1A//9vHoPMdO0IiccUunZaajAxMWzieT8lRRkIJbDM38wRz8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Iwx/MBab; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Iwx/MBab" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E88B3C116C6; Thu, 8 Jan 2026 18:27:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767896848; bh=4Vw3X+a+IKioJ+NPJzphxslue2bnilccQe6uqoqbw3o=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Iwx/MBabhg9Mn+RsGiViYT+ZtBLk+a0OIAgTpLgDDHowndzS8Ks5rr++DhJ+hwH0Z hrNA6qp/oQ4uM9w3j7wjJmszJ28L8101AyR46VWdSygNb14gJhNGBTOMGLBLUT9h8I ORbImCIpzVZ7YEqgk8J+ONeLu26JUgXIP1y5qJZwbIaRWDp9lsm0ZIulZVwSdY67u/ rDse34I/dswNeGsuXAgSojzYyNYEjo6/I5KTBjb9G1qZf3P/N9jDPdFnS6GUuZxQ/B 3rHmnZLd/iaQAI/QRoYQr3LJV17RKT2e4JX0xX8Hwi/RNlnOLXNbLko4CArC6zJJms bBG44Az3Aoa8w== Message-ID: <4513bb41-e493-48bb-bd58-f1cc3ea44e5f@kernel.org> Date: Thu, 8 Jan 2026 11:27:26 -0700 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] selftests/tracing: Fix test_multiple_writes stall To: Steven Rostedt , Fushuai Wang Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, shuah@kernel.org, wangfushuai@baidu.com, Shuah Khan References: <20251227041821.75504-1-fushuai.wang@linux.dev> <20260107034914.22315-1-fushuai.wang@linux.dev> <20260107101846.61c182e0@gandalf.local.home> Content-Language: en-US From: Shuah In-Reply-To: <20260107101846.61c182e0@gandalf.local.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/7/26 08:18, Steven Rostedt wrote: > On Wed, 7 Jan 2026 11:49:14 +0800 > Fushuai Wang wrote: > >>> When /sys/kernel/tracing/buffer_size_kb is less than 12KB, >>> the test_multiple_writes test will stall and wait for more >>> input due to insufficient buffer space. >>> >>> Check current buffer_size_kb value before the test. If it is >>> less than 12KB, it temporarily increase the buffer to 12KB, >>> and restore the original value after the tests are completed. >>> >>> Fixes: 37f46601383a ("selftests/tracing: Add basic test for trace_marker_raw file") >>> Suggested-by: Steven Rostedt >>> Signed-off-by: Fushuai Wang >> >> Gentle ping. >> > > Acked-by: Steven Rostedt (Google) > > Shuah, > > Care to take this through your tree? It does fix a bug so it likely should > go into the rc releases and not wait for the next merge window. > Yes I can take this through and send this for rc5 or rc6. But first the following warning needs fixing before I can apply the patch WARNING: From:/Signed-off-by: email address mismatch: 'From: Fushuai Wang ' != 'Signed-off-by: Fushuai Wang ' Fushuai, please send me v3 thanks, -- Shuah