Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753865AbbGAL6o (ORCPT ); Wed, 1 Jul 2015 07:58:44 -0400 Received: from casper.infradead.org ([85.118.1.10]:37583 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753572AbbGAL6g (ORCPT ); Wed, 1 Jul 2015 07:58:36 -0400 Date: Wed, 1 Jul 2015 13:58:25 +0200 From: Peter Zijlstra To: "Wangnan (F)" Cc: He Kuang , ast@plumgrid.com, rostedt@goodmis.org, masami.hiramatsu.pt@hitachi.com, mingo@redhat.com, acme@redhat.com, jolsa@kernel.org, namhyung@kernel.org, linux-kernel@vger.kernel.org, pi3orama Subject: Re: [RFC PATCH 0/5] Make eBPF programs output data to perf event Message-ID: <20150701115825.GV19282@twins.programming.kicks-ass.net> References: <1435719455-91155-1-git-send-email-hekuang@huawei.com> <20150701054458.GN19282@twins.programming.kicks-ass.net> <559386D7.1020208@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <559386D7.1020208@huawei.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 797 Lines: 22 On Wed, Jul 01, 2015 at 02:21:11PM +0800, Wangnan (F) wrote: > > > On 2015/7/1 13:44, Peter Zijlstra wrote: > >On Wed, Jul 01, 2015 at 02:57:30AM +0000, He Kuang wrote: > >>This patch adds an extra perf trace buffer for other utilities like > >>bpf to fill extra data to perf events. > >What!, why? > > The goal of this patchset is to give BPF program a mean to output something > through > perf samples. But why create a separate trace buffer, it should go into the regular perf buffer. Your email is unreadably wordwrapped. Please fix your MUA. -- 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/