From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755079AbbGVEkZ (ORCPT ); Wed, 22 Jul 2015 00:40:25 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:38766 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751836AbbGVEkY (ORCPT ); Wed, 22 Jul 2015 00:40:24 -0400 Message-ID: <55AF1EA5.5020500@huawei.com> Date: Wed, 22 Jul 2015 12:40:05 +0800 From: "Wangnan (F)" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Arnaldo Carvalho de Melo CC: He Kuang , Li Zefan , , , , Subject: Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs References: <1436445342-1402-1-git-send-email-wangnan0@huawei.com> <20150714153657.GL2885@kernel.org> <55A63AC4.6040701@huawei.com> <20150715112015.GA3868@kernel.org> <55A869A1.505@huawei.com> <55AE2858.6040409@huawei.com> <20150721114151.GF5368@kernel.org> In-Reply-To: <20150721114151.GF5368@kernel.org> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.111.66.109] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Arnaldo, I noticed that you have rebase your perf/ebpf branch to 4.2-rc3. I have also done it in my tree. Please see: https://github.com/WangNan0/linux.git ebpf Also, please recollect patch "perf tests: Add LLVM test for eBPF on-the-fly compiling", which adds verbose control. I'll also post it again. Thank you. On 2015/7/21 19:41, Arnaldo Carvalho de Melo wrote: > Em Tue, Jul 21, 2015 at 07:09:12PM +0800, Wangnan (F) escreveu: >> Hi Arnaldo, >> >> Have you recovered from your cold? > Much better now, thanks. > >> Could you please repick patch "perf tools: Introduce llvm config options" >> from my github: >> >> https://github.com/WangNan0/linux/commit/f9fb25c518c7e52a47e98c36ce49f51051bbccf4 >> >> I made a small change that introduce '-D__KERNEL__' in front of >> $CLANG_OPTIONS, >> so samples in 'samples/ebpf' should be compilable with perf now. >> >> I'll repost a patch by replying the original one also. > Ok, saw that 12/39 repost, will pick it > >> The following changes since commit 101ef9b4f5c70dbfffa0186102c1014bd81a4ec7: >> >> bpf tools: Link all bpf objects onto a list (2015-07-13 18:48:17 -0300) >> >> are available in the git repository at: >> >> https://github.com/WangNan0/linux.git ebpf >> >> for you to fetch changes up to 51f169df1d11ea842a808d751f9c620371c55e74: >> >> bpf: Introduce function for outputing data to perf event (2015-07-21 >> 10:55:48 +0000) >> >> ---------------------------------------------------------------- >> >> Thank you. >> >> >> On 2015/7/17 11:48, Arnaldo Carvalho de Melo wrote: >>> On Jul 16, 2015 11:34 PM, "Wangnan (F)" >> > wrote: >>>> On 2015/7/15 19:20, Arnaldo Carvalho de Melo wrote: >>>>> Em Wed, Jul 15, 2015 at 06:49:40PM +0800, Wangnan (F) escreveu: >>>>>> On 2015/7/14 23:36, Arnaldo Carvalho de Melo wrote: >>>>>>> I have the trees cloned and plan to follow these instructions to have >>> this test >>>>>>> passing, to then move on to the next patches, but one request, please >>> change >>>>>>> the above to produce: >>>>>>> 38: Test LLVM searching and compiling :(no clang) Ok >>> run 'perf test -v LLVM' for instructions on having a clang environment >>>>>> The output format you desire is hard to implement, because 'Ok' is >>> printed >>>>>> by the parent process. We have to find a way to allow child process to >>> pass >>>>>> 'run 'perf test -v LLVM' for ...' to parent, then parent can print it >>>>>> after 'Ok'. >>>>> >>>>>> I change this test as follow: >>>>> From a quick look: excellent, thanks for improving this, I downloaded >>>>> llvm and clang, built it, and the test passes, will apply this new >>> patch >>>>> and continue from there, >>>>> >>>>> - Arnaldo >>>> >>>> Hi Arnaldo, >>>> >>>> What's the reviewing going on? >>> Was sidetracked with some other stuff and was a bit slow due to a cold, >>> hope to get back to work on ebpf+perf in 8 hours ir so. >>> >>> Thanks, >>> >>> Arnaldo >>> >>>> I collected some more patches on my git tree to avoid losting, and will >>> collect more on it. >>>> I'll keep this patchset at the bottom so I think you shoud not be >>> affected. >>>> Here is the new branch: >>>> >>>> https://github.com/WangNan0/linux.git ebpf >>>> >>>> Do you want me to keep the original perf/ebpf-for-acme branch? >>>> >>>> Thank you. >>>> >>>>