From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: [UPDATED PATCH] Re: [Lse-tech] Re: [Patch 7/7] Generic netlink interface (delay accounting) Date: Fri, 10 Mar 2006 10:35:34 -0500 Message-ID: <1142004934.5255.3.camel@jzny2> References: <1141026996.5785.38.camel@elinux04.optonline.net> <1141029060.5785.77.camel@elinux04.optonline.net> <1141045194.5363.12.camel@localhost.localdomain> <4403608E.1050304@watson.ibm.com> <1141652556.5185.64.camel@localhost.localdomain> <440C6AAA.9030301@watson.ibm.com> <1141742282.5171.55.camel@localhost.localdomain> <440F52FF.30908@watson.ibm.com> <20060309143759.GA4653@in.ibm.com> <1142002433.5298.42.camel@jzny2> Reply-To: hadi@cyberus.ca Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Shailabh Nagar , netdev , linux-kernel , lse-tech@lists.sourceforge.net Return-path: To: balbir@in.ibm.com In-Reply-To: <1142002433.5298.42.camel@jzny2> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, 2006-10-03 at 09:53 -0500, jamal wrote: > > a) shipping of the taskstats from kernel to user-space asynchronously to > all listeners on multicast channel/group TASKSTATS_LISTEN_GRP > at the point when some process exits. > b) responding to queries issued by the user to the kernel for taskstats > of a particular defined tgid and/or pid combination. > > Did i summarize your goals correctly? > > So lets stat with #b: > i) the message is multicast; there has to be a user space app registered > to the multicast group otherwise nothing goes to user space. I mispoke: The above applies to #a. For #b, the message from/to kernel to user is unicast. cheers, jamal