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 6305218950A; Thu, 10 Oct 2024 17:31:41 +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=1728581501; cv=none; b=cMohpbtEKFqPwHFSex9CuoQviflhW19OyAdgJCZTIayFEj02rozDbnyKw+iIkq+C5NPjWiUxrK0NItpMMDIF8+Q4WgdsFd0/Y8xdLAoe74g0B9EBX3Mib//r0zy2knTQEWOhccNLNPyB2TaAUrSBlB7Qu5k1wvMmDvRbUzALC10= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728581501; c=relaxed/simple; bh=5KJvGciqL/2QEQndX3vFDA3rHY16clUl0xu0xROjom4=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=L1DLFHdiX55WXMsDfnSxFwaBeADB5qtMTIGLiiLlZg/H3bot4VipTAynJlH8wtpu0E5XLe3qFCGcE7A+utKEai1Z+ZTbXHFh2SqCiBpwitqTCaU7O2reQtLSKnoxXpU3PHYgDtvJHoWSTLOASJes32B52EA/H2i4a6E3LBpnqeg= 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 2DEAEC4CEC5; Thu, 10 Oct 2024 17:31:40 +0000 (UTC) Date: Thu, 10 Oct 2024 13:31:47 -0400 From: Steven Rostedt To: Shuah Khan Cc: "Masami Hiramatsu (Google)" , LKML , Linux Trace Kernel , Mathieu Desnoyers , linux-kselftest@vger.kernel.org Subject: Re: [PATCH v2] ftrace/selftest: Test combination of function_graph tracer and function profiler Message-ID: <20241010133147.16058193@gandalf.local.home> In-Reply-To: <63a7811c-c2cb-472f-bfa1-3b45bc65da10@linuxfoundation.org> References: <20241004145618.18436d7e@gandalf.local.home> <20241008093314.8b263b6bd2e23c6a8345b65f@kernel.org> <63a7811c-c2cb-472f-bfa1-3b45bc65da10@linuxfoundation.org> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-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 Thu, 10 Oct 2024 11:04:43 -0600 Shuah Khan wrote: > 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? > Yes please. Thanks Shuah! -- Steve