From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752962AbbJTTQK (ORCPT ); Tue, 20 Oct 2015 15:16:10 -0400 Received: from mail-pa0-f65.google.com ([209.85.220.65]:33309 "EHLO mail-pa0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751540AbbJTTQH (ORCPT ); Tue, 20 Oct 2015 15:16:07 -0400 Subject: Re: [PATCH 04/31] perf record, bpf: Create probe points for BPF programs To: Arnaldo Carvalho de Melo , Wang Nan References: <1444826502-49291-1-git-send-email-wangnan0@huawei.com> <1444826502-49291-5-git-send-email-wangnan0@huawei.com> <20151020191214.GA9591@kernel.org> Cc: ast@plumgrid.com, brendan.d.gregg@gmail.com, a.p.zijlstra@chello.nl, daniel@iogearbox.net, hekuang@huawei.com, jolsa@kernel.org, lizefan@huawei.com, masami.hiramatsu.pt@hitachi.com, namhyung@kernel.org, paulus@samba.org, linux-kernel@vger.kernel.org, pi3orama@163.com, xiakaixu@huawei.com From: David Ahern Message-ID: <562692F4.3050506@gmail.com> Date: Tue, 20 Oct 2015 13:16:04 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20151020191214.GA9591@kernel.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/20/15 1:12 PM, Arnaldo Carvalho de Melo wrote: > I.e. no libbpf error (good!) but then, just an -EINVAL as the "event syntax > error", which clearly isn't a syntax error, we need to tell the user that he or she > needs special perfmissions for using sys_bpf():-) perfmissions? Are you coining new words -- permissions for perf? ;-)