Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752841AbbBQVd0 (ORCPT ); Tue, 17 Feb 2015 16:33:26 -0500 Received: from relay.parallels.com ([195.214.232.42]:48754 "EHLO relay.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752564AbbBQVdY (ORCPT ); Tue, 17 Feb 2015 16:33:24 -0500 Date: Wed, 18 Feb 2015 00:33:13 +0300 From: Andrew Vagin To: Arnd Bergmann CC: Andrey Vagin , , , Oleg Nesterov , Andrew Morton , Cyrill Gorcunov , "Pavel Emelyanov" , Roger Luethi Subject: Re: [PATCH 0/7] [RFC] kernel: add a netlink interface to get information about processes Message-ID: <20150217213313.GB7091@paralelels.com> References: <1424161226-15176-1-git-send-email-avagin@openvz.org> <3238376.TxgiSSEfbZ@wuerfel> MIME-Version: 1.0 Content-Type: text/plain; charset="koi8-r" Content-Disposition: inline In-Reply-To: <3238376.TxgiSSEfbZ@wuerfel> User-Agent: Mutt/1.5.23 (2014-03-12) X-Originating-IP: [10.24.25.16] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1183 Lines: 33 On Tue, Feb 17, 2015 at 09:53:09AM +0100, Arnd Bergmann wrote: > On Tuesday 17 February 2015 11:20:19 Andrey Vagin wrote: > > task_diag is based on netlink sockets and looks like socket-diag, which > > is used to get information about sockets. > > > > A request is described by the task_diag_pid structure: > > > > struct task_diag_pid { > > __u64 show_flags; /* specify which information are required */ > > __u64 dump_stratagy; /* specify a group of processes */ > > > > __u32 pid; > > }; > > Can you explain how the interface relates to the 'taskstats' genetlink > API? Did you consider extending that interface to provide the > information you need instead of basing on the socket-diag? It isn't based on the socket-diag, it looks like socket-diag. Current task_diag registers a new genl family, but we can use the taskstats family and add task_diag commands to it. Thanks, Andrew > > Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/