From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754132AbbGIMno (ORCPT ); Thu, 9 Jul 2015 08:43:44 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:34541 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753563AbbGIMni (ORCPT ); Thu, 9 Jul 2015 08:43:38 -0400 From: Wang Nan To: , CC: , , , , Subject: [PATCH 27/39] perf record: Add clang options for compiling BPF scripts Date: Thu, 9 Jul 2015 12:35:30 +0000 Message-ID: <1436445342-1402-28-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1436445342-1402-1-git-send-email-wangnan0@huawei.com> References: <1436445342-1402-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.197.200] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.559E6ABD.0236,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 9881b064b2fefaf86b9e98a723ca634d Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Although previous patch allows setting BPF compiler related options in perfconfig, on some ad-hoc situation it still requires passing options through cmdline. This patch introduces 2 options to 'perf record' for this propose: --clang-path and --clang-opt. Signed-off-by: Wang Nan --- tools/perf/builtin-record.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index bd189b1..e89c045 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -30,6 +30,7 @@ #include "util/auxtrace.h" #include "util/parse-branch-options.h" #include "util/bpf-loader.h" +#include "util/llvm-utils.h" #include #include @@ -1073,6 +1074,12 @@ struct option __record_options[] = { "opts", "AUX area tracing Snapshot Mode", ""), OPT_UINTEGER(0, "proc-map-timeout", &record.opts.proc_map_timeout, "per thread proc mmap processing timeout in ms"), +#ifdef HAVE_LIBBPF_SUPPORT + OPT_STRING(0, "clang-path", &llvm_param.clang_path, "clang path", + "clang binary to use for compiling BPF scriptlets"), + OPT_STRING(0, "clang-opt", &llvm_param.clang_opt, "clang options", + "options passed to clang when compiling BPF scriptlets"), +#endif OPT_END() }; -- 1.8.3.4