From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754642AbbJHIkv (ORCPT ); Thu, 8 Oct 2015 04:40:51 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:49656 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754111AbbJHIcE (ORCPT ); Thu, 8 Oct 2015 04:32:04 -0400 From: Wang Nan To: CC: , , , Wang Nan , Alexei Starovoitov , Brendan Gregg , Daniel Borkmann , David Ahern , He Kuang , Jiri Olsa , Kaixu Xia , Masami Hiramatsu , Namhyung Kim , Paul Mackerras , Peter Zijlstra Subject: [PATCH 08/22] perf record: Add clang options for compiling BPF scripts Date: Thu, 8 Oct 2015 08:29:30 +0000 Message-ID: <1444292984-13135-9-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1444292984-13135-1-git-send-email-wangnan0@huawei.com> References: <1444292984-13135-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.193.248] X-CFilter-Loop: Reflected 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 Cc: Alexei Starovoitov Cc: Brendan Gregg Cc: Daniel Borkmann Cc: David Ahern Cc: He Kuang Cc: Jiri Olsa Cc: Kaixu Xia Cc: Masami Hiramatsu Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Zefan Li Cc: pi3orama@163.com Cc: Arnaldo Carvalho de Melo Link: http://lkml.kernel.org/n/ebpf-6yw9eg0ej3l4jnqhinngkw86@git.kernel.org --- 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 24ace2f..847cc67 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -31,6 +31,7 @@ #include "util/auxtrace.h" #include "util/parse-branch-options.h" #include "util/parse-regs-options.h" +#include "util/llvm-utils.h" #include #include @@ -1117,6 +1118,12 @@ struct option __record_options[] = { "per thread proc mmap processing timeout in ms"), OPT_BOOLEAN(0, "switch-events", &record.opts.record_switch_events, "Record context switch events"), +#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