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Date: Sat, 29 Aug 2015 04:21:49 +0000 From: Wang Nan <wangnan0@...wei.com> To: <acme@...hat.com>, <mingo@...nel.org>, <ast@...mgrid.com> CC: <linux-kernel@...r.kernel.org>, <lizefan@...wei.com>, <pi3orama@....com>, Wang Nan <wangnan0@...wei.com>, Brendan Gregg <brendan.d.gregg@...il.com>, Daniel Borkmann <daniel@...earbox.net>, David Ahern <dsahern@...il.com>, "He Kuang" <hekuang@...wei.com>, Jiri Olsa <jolsa@...nel.org>, Kaixu Xia <xiakaixu@...wei.com>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Namhyung Kim <namhyung@...nel.org>, Paul Mackerras <paulus@...ba.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl> Subject: [PATCH 15/31] perf record: Add clang options for compiling BPF scripts 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 <wangnan0@...wei.com> Cc: Alexei Starovoitov <ast@...mgrid.com> Cc: Brendan Gregg <brendan.d.gregg@...il.com> Cc: Daniel Borkmann <daniel@...earbox.net> Cc: David Ahern <dsahern@...il.com> Cc: He Kuang <hekuang@...wei.com> Cc: Jiri Olsa <jolsa@...nel.org> Cc: Kaixu Xia <xiakaixu@...wei.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Paul Mackerras <paulus@...ba.org> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl> Cc: Zefan Li <lizefan@...wei.com> Cc: pi3orama@....com Cc: Arnaldo Carvalho de Melo <acme@...hat.com> Link: http://lkml.kernel.org/n/1436445342-1402-28-git-send-email-wangnan0@huawei.com --- 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 fd56a5b..212718c 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 <unistd.h> #include <sched.h> @@ -1094,6 +1095,12 @@ 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() }; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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