Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752178AbbFLGbT (ORCPT ); Fri, 12 Jun 2015 02:31:19 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:33799 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750781AbbFLGbS (ORCPT ); Fri, 12 Jun 2015 02:31:18 -0400 From: Wang Nan To: , , , , , , , , , , CC: , , , , Subject: [RFC PATCH v7 37/37 -fix] perf record: Add clang options for compiling BPF scripts Date: Fri, 12 Jun 2015 06:29:16 +0000 Message-ID: <1434090556-128182-1-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1434087345-127225-38-git-send-email-wangnan0@huawei.com> References: <1434087345-127225-38-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=0001.0A020203.557A7CA8.0042,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: 6f07660efd3d6782de552251d3e11d17 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1517 Lines: 43 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 c15865f..9cef2d0 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 @@ -1068,6 +1069,12 @@ struct option __record_options[] = { parse_clockid), OPT_STRING_OPTARG('S', "snapshot", &record.opts.auxtrace_snapshot_opts, "opts", "AUX area tracing Snapshot Mode", ""), +#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 -- 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/