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 <wangn...@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 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 <unistd.h>
 #include <sched.h>
@@ -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

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