Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752448AbbFLGJR (ORCPT ); Fri, 12 Jun 2015 02:09:17 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:24735 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750898AbbFLGJO (ORCPT ); Fri, 12 Jun 2015 02:09:14 -0400 Message-ID: <557A774A.4010206@huawei.com> Date: Fri, 12 Jun 2015 14:08:10 +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: , , , , , , , , , , CC: , , , , Subject: Re: [RFC PATCH v7 37/37] perf record: Add clang options for compiling BPF scripts References: <1434087345-127225-1-git-send-email-wangnan0@huawei.com> <1434087345-127225-38-git-send-email-wangnan0@huawei.com> In-Reply-To: <1434087345-127225-38-git-send-email-wangnan0@huawei.com> 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 Content-Length: 1685 Lines: 48 On 2015/6/12 13:35, Wang Nan wrote: > 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..3ec8cee 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" Sorry for this extra ". It is not a part of this patch. > + 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() > }; > -- 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/