From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B5064380FF7; Thu, 27 Aug 2026 17:15:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787850935; cv=none; b=NSfB5kT5YOcGAQ54myvyNLzhdgjreVyZVQ9xQomrWgEo+9BCSUwKQHSOu9mBNGMMKjhWnAyr/wXEH8XgUXCw4ihze0bHCJ/8MoFYuFNwmphU9NbaOLZLdXSoTPFY3PMY8bt0+HX/ujDTgFn/Rjc8S1ahpZniPLlSvt9ndl1l4hE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787850935; c=relaxed/simple; bh=WpasPaJ9xcduX7UHA5UZyCSC91SDyBuKj0LkeZOtSOo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hy9Mi2GEyhwVX9xWFJkBzLePGxcv0mpsTY/UeKms2Y9H6TMSJjNT4TKHtIMvI6gnxCvTzCGcv1uLabLYXK5YKcFOeM8y5XMRKxje/yCqGcW/7y60XFArf+VaXKqbe7OUBFcSBCG6LzJWa6gpAJfymjlraf2JfQw17zq03mfJCvU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=LOTKxzn5; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="LOTKxzn5" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9D27D1596; Thu, 27 Aug 2026 10:15:28 -0700 (PDT) Received: from localhost (unknown [10.2.196.114]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id F25713F7D8; Thu, 27 Aug 2026 10:15:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1787850932; bh=WpasPaJ9xcduX7UHA5UZyCSC91SDyBuKj0LkeZOtSOo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LOTKxzn5p/AkoQJ7PBJNwSjNBSp8gpcXK73cXC0GhcHQ6r7k7r0mc8F/jsyM0AKRY /QwQz5TQClQsVnglpZUdMghT+ZoX+cLrL1OJofm3+aP+ynWJxyVKYCzYRupw1mek1o U62qjMsG0smeawdJO85xjKR2OsachZzARvxRRaW4= Date: Thu, 27 Aug 2026 18:15:30 +0100 From: Leo Yan To: James Clark Cc: Suzuki K Poulose , Mike Leach , John Garry , Will Deacon , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Mathieu Poirier , Jonathan Corbet , Shuah Khan , Suyash Mahar , Amir Ayupov , Leo Yan , linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , linux-doc@vger.kernel.org Subject: Re: [PATCH v2 10/14] perf cs-etm: Don't print missing buffers in snapshot mode Message-ID: <20260827171530.GP8904@e132581.arm.com> References: <20260821-james-cs-unformatted-per-thread-fix-v2-0-00c4fd0701b4@linaro.org> <20260821-james-cs-unformatted-per-thread-fix-v2-10-00c4fd0701b4@linaro.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260821-james-cs-unformatted-per-thread-fix-v2-10-00c4fd0701b4@linaro.org> On Fri, Aug 21, 2026 at 10:49:08AM +0100, James Clark wrote: > The driver produces lots of AUX records for trace data that was never > captured in snapshot mode. Downgrade this to a pr_debug3 message as it's > only an error in normal mode. This reminds why we should use circular mode instead of snapshot mode, so that redundant AUX records can be avoided directly in the driver. > Signed-off-by: James Clark For this patch itself: Reviewed-by: Leo Yan