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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id c9-20020a05622a024900b0042bf613933fsi2117342qtx.246.2024.02.06.03.01.25 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Feb 2024 03:01:25 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-54728-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; arc=pass (i=1); spf=pass (google.com: domain of linux-kernel+bounces-54728-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-54728-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 9345B1C22A84 for ; Tue, 6 Feb 2024 11:01:25 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C1B4185C7B; Tue, 6 Feb 2024 11:01:19 +0000 (UTC) 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 4A0521EA72; Tue, 6 Feb 2024 11:01:18 +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=1707217279; cv=none; b=RZhCDvc9gk9UFP7Vll7WLWhcXVUKc+N/5Zf7ieDNuXIhOnXFlWM/T/pFz821+O6kDfmJ9cwU49kNrcLmLauAwnf75Fk3mGKRWnP553T34egR62QRfTG3OnwwafDiklKPMhW1Cb55gMD7bnq5l7AckR4fsLpz8CDc26nCvphXEEM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707217279; c=relaxed/simple; bh=S/gp/iNk5s/SxUEGNUOUBz+7FwLwrPc2i7zkwKKt8MY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uePftiiq37Jtf6aNScrh4RqSHbfUFkFW8yu2tS3uz7dySiuz5yBkPUx/QkDIjgcmbKVpPRTTVR68ZYWB9Gkzn/4NSX2snniy8ABQXTbVrz2M2olMzgtIo0eaOizDQ0bwGeUy1ywSYL+KuozdH1pDf/KdmZJ60zXs7IwaV8yG1YE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3906BC433C7; Tue, 6 Feb 2024 11:01:17 +0000 (UTC) Date: Tue, 6 Feb 2024 06:01:13 -0500 From: Steven Rostedt To: Sven Schnelle Cc: Masami Hiramatsu , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Mete Durlu Subject: Re: [PATCH] tracing: use ring_buffer_record_is_set_on() in tracer_tracing_is_on() Message-ID: <20240206060113.39c0f5bc@rorschach.local.home> In-Reply-To: References: <20240205065340.2848065-1-svens@linux.ibm.com> <20240205075504.1b55f29c@rorschach.local.home> <20240205092353.523cc1ef@rorschach.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 06 Feb 2024 09:48:16 +0100 Sven Schnelle wrote: > I added some logging, and the test is not triggering this issue. So i > assume the default of 128 cmdline entries is just to small. Sorry for > the noise. Lets see whether we're still triggering some failures with > the other fix applied in CI. If we do, maybe we want to increase the > saved_cmdline_size for the ftrace test suite. I wonder if it is a good idea to increase the size when tracing starts, like the ring buffer expanding code. Maybe to 1024? Or is that still too small? -- Steve