From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932592AbWFIXTo (ORCPT ); Fri, 9 Jun 2006 19:19:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932593AbWFIXTn (ORCPT ); Fri, 9 Jun 2006 19:19:43 -0400 Received: from smtp.osdl.org ([65.172.181.4]:23002 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932592AbWFIXTn (ORCPT ); Fri, 9 Jun 2006 19:19:43 -0400 Date: Fri, 9 Jun 2006 16:22:32 -0700 From: Andrew Morton To: Jay Lan Cc: nagar@watson.ibm.com, balbir@in.ibm.com, jlan@sgi.com, csturtiv@sgi.com, linux-kernel@vger.kernel.org Subject: Re: [Patch][RFC] Disabling per-tgid stats on task exit in taskstats Message-Id: <20060609162232.2f2479c5.akpm@osdl.org> In-Reply-To: <4489F93E.6070509@engr.sgi.com> References: <44892610.6040001@watson.ibm.com> <20060609010057.e454a14f.akpm@osdl.org> <448952C2.1060708@in.ibm.com> <20060609042129.ae97018c.akpm@osdl.org> <4489EE7C.3080007@watson.ibm.com> <4489F93E.6070509@engr.sgi.com> X-Mailer: Sylpheed version 1.0.0 (GTK+ 1.2.10; i386-vine-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jay Lan wrote: > > If you can show me how to not sending per-tgid with current patchset, > i would be very happy to drop this request. pleeeze, not a global sysctl. It should be some per-client subscription thing. But the overhead at present is awfully low. If we don't need this ability at present (and I don't think we do) then a paper design would be sufficient at this time. As long as we know we can do this in the future without breaking existing APIs then OK.