From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932457AbcAKSNS (ORCPT ); Mon, 11 Jan 2016 13:13:18 -0500 Received: from mail-pa0-f49.google.com ([209.85.220.49]:34877 "EHLO mail-pa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760958AbcAKSNE (ORCPT ); Mon, 11 Jan 2016 13:13:04 -0500 Date: Mon, 11 Jan 2016 10:13:04 -0800 From: Alexei Starovoitov To: Daniel Borkmann Cc: Wang Nan , davem@davemloft.net, acme@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pi3orama@163.com, lizefan@huawei.com, Adrian Hunter , Arnaldo Carvalho de Melo , David Ahern , Ingo Molnar , Peter Zijlstra , Yunlong Song Subject: Re: [PATCH net-next] perf/core: Put size of a sample at the end of it by PERF_SAMPLE_TAILSIZE Message-ID: <20160111181303.GA26146@ast-mbp.thefacebook.com> References: <1452518653-1794-1-git-send-email-wangnan0@huawei.com> <5693E0C6.2080509@iogearbox.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5693E0C6.2080509@iogearbox.net> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 11, 2016 at 06:05:10PM +0100, Daniel Borkmann wrote: > Hi Wang, > > On 01/11/2016 02:24 PM, Wang Nan wrote: > >This patch introduces a PERF_SAMPLE_TAILSIZE flag which allows a size > >field attached at the end of a sample. The idea comes from [1] that, > >with tie size at tail of an event, it is possible for user program who > >read from the ring buffer parse events backward. ... > >Signed-off-by: Wang Nan > [...] > > As this seems unrelated to networking, net-next tree seems not really appropriate? clearly not for net-next. Wang, see my reply to the same patch in your other thread.