From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roland Dreier Subject: [PATCH][4/3] IPoIB: document conversion to debugfs Date: Fri, 01 Apr 2005 09:45:33 -0800 Message-ID: <52r7hujsqq.fsf@topspin.com> References: <20053311936.XaQmN4N9new7dTCP@topspin.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@oss.sgi.com, linux-kernel@vger.kernel.org, openib-general@openib.org, davem@davemloft.net Return-path: To: akpm@osdl.org In-Reply-To: <20053311936.XaQmN4N9new7dTCP@topspin.com> (Roland Dreier's message of "Thu, 31 Mar 2005 19:36:12 -0800") List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: openib-general-bounces@openib.org Errors-To: openib-general-bounces@openib.org List-Id: netdev.vger.kernel.org Update IPoIB documentation now that multicast debugging files have moved from ipoibdebugfs to debugfs. Signed-off-by: Roland Dreier --- linux-export.orig/Documentation/infiniband/ipoib.txt 2005-03-31 19:07:01.000000000 -0800 +++ linux-export/Documentation/infiniband/ipoib.txt 2005-04-01 09:43:27.122520190 -0800 @@ -32,14 +32,13 @@ mcast_debug_level to 1. These parameters can be controlled at runtime through files in /sys/module/ib_ipoib/. - CONFIG_INFINIBAND_IPOIB_DEBUG also enables the "ipoib_debugfs" + CONFIG_INFINIBAND_IPOIB_DEBUG also enables files in the debugfs virtual filesystem. By mounting this filesystem, for example with - mkdir -p /ipoib_debugfs - mount -t ipoib_debugfs none /ipoib_debufs + mount -t debugfs none /sys/kernel/debug - it is possible to get statistics about multicast groups from the - files /ipoib_debugfs/ib0_mcg and so on. + it is possible to get statistics about munlticast groups from the + files /sys/kernel/debug/ipoib/ib0_mcg and so on. The performance impact of this option is negligible, so it is safe to enable this option with debug_level set to 0 for normal