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 243063FBA5; Thu, 27 Jun 2024 23:28:09 +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=1719530890; cv=none; b=a5gLX+NcPmcUg5K9bovI2s5YFEYmsbiFw8lqDI/lFnwzEW/o6FIMi6PvJs/VwnqP9R17+7epUw87rQpqIHApDcIbTO5xYcGRNBSPV/X3CAzq2Gc3obK9vlJioZMXDS/FQ2FA0it/FRaoTdc3AxQGLpI/Ae/5zLwfW1gdZ/qBkYA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719530890; c=relaxed/simple; bh=V2s3SFvzaMHtNwDR5PAPF/n+Oes+hWUxarUWBL0dXDU=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MJNTlqmzWuMOhEnVyAjurSXeJTc6NqT4iSr5fO0zO+rx1ZjI9np6+LZr5ukVmABjvILF3oPYzShJGixH5yy5mmSlc9tUt2riRWSU85Di0YhYtD/wPwsZFZhDwHD/OpekvcGSAbTVtAs2DjXeD7Ygn35QP/oGq8oHRnYP+Q0vHfE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WKH1vHvD; 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="WKH1vHvD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31507C32786; Thu, 27 Jun 2024 23:28:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719530889; bh=V2s3SFvzaMHtNwDR5PAPF/n+Oes+hWUxarUWBL0dXDU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=WKH1vHvDE+fE4x6QqWRgt51PUZJpoEyzJ6dPfcggpgZ3056N3kq4EMXn/8I7CA5Mf rodM9Iiqnoo88ADSXHa9777lLJRVa6rOHGY0oqotPp0Bi5fCXT1gaz6MZRJ7oshadv 6H0GbC6zUgesjAtelSYu8G0HKc5mwnvVDqGoB1rUQLdHQExV/3tQcbHyN7jgGRes02 u3UE1HYfm+BSMe2OiIqsm6vVf+14WF812bSJ3frFNLXg4v71iz1wTqMLp6cVr51MK7 yBFuzhzxXLm2zQ46R2KQ5jRteQD+8P9v+8POhwAZ2oel+VrOcpOSLt7Qln7glRmlBh qTw2M2r9Qc1mQ== Date: Thu, 27 Jun 2024 16:28:08 -0700 From: Jakub Kicinski To: Florian Westphal Cc: allison.henderson@oracle.com, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, oberpar@linux.ibm.com, chuck.lever@oracle.com, vegard.nossum@oracle.com Subject: Re: [PATCH net-next v1 2/3] net: rds: add option for GCOV profiling Message-ID: <20240627162808.015c25a7@kernel.org> In-Reply-To: <20240626012834.5678-3-allison.henderson@oracle.com> References: <20240626012834.5678-1-allison.henderson@oracle.com> <20240626012834.5678-3-allison.henderson@oracle.com> Precedence: bulk X-Mailing-List: linux-kselftest@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, 25 Jun 2024 18:28:33 -0700 allison.henderson@oracle.com wrote: > From: Vegard Nossum > > To better our unit tests we need code coverage to be part of the kernel. > This patch borrows heavily from how CONFIG_GCOV_PROFILE_FTRACE is > implemented Hi Florian, IIRC you were able to generate test coverage reports for nftables / netfilter. Is this the approach you used? I'm not sure how well adding a Kconfig knob for every module would scale..