From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757377AbcIXPQM (ORCPT ); Sat, 24 Sep 2016 11:16:12 -0400 Received: from mail-pf0-f173.google.com ([209.85.192.173]:33193 "EHLO mail-pf0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750838AbcIXPQJ (ORCPT ); Sat, 24 Sep 2016 11:16:09 -0400 Date: Sat, 24 Sep 2016 11:16:01 -0400 From: Alexei Starovoitov To: Wang Nan Cc: acme@kernel.org, ast@fb.com, pi3orama@163.com, linux-kernel@vger.kernel.org, lizefan@huawei.com, Arnaldo Carvalho de Melo , He Kuang , Jiri Olsa Subject: Re: [PATCH 00/14] perf clang: Support compiling BPF script use builtin clang Message-ID: <20160924151559.GA49831@ast-mbp.thefacebook.com> References: <1474635001-153850-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1474635001-153850-1-git-send-email-wangnan0@huawei.com> 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 Fri, Sep 23, 2016 at 12:49:47PM +0000, Wang Nan wrote: > This patch set is the first step to implement features I announced > in LinuxCon NA 2016. See page 31 of: > > http://events.linuxfoundation.org/sites/events/files/slides/Performance%20Monitoring%20and%20Analysis%20Using%20perf%20and%20BPF_1.pdf > > This patch set links LLVM and Clang libraries to perf, so perf > is able to compile BPF script to BPF object on the fly. Nice! So single perf binary won't have llvm external dependency anymore or both ways will be maintained? The command line stays the same? If I understand the patches correctly, this set is establishing the basic functionality and more complex features coming?