1 files changed, 14 insertions, 0 deletions

diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index 4952b429caa7..1cca0a2fa641 100644
--- a/tools/perf/util/llvm-utils.c
+++ b/tools/perf/util/llvm-utils.c
@@ -433,6 +433,7 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf,
         char serr[STRERR_BUFSIZE];
         char *kbuild_dir = NULL, *kbuild_include_opts = NULL;
         const char *template = llvm_param.clang_bpf_cmd_template;
+        char *command_echo, *command_out;
 
         if (path[0] != '-' && realpath(path, abspath) == NULL) {
                 err = errno;
@@ -487,6 +488,16 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf,
                       (path[0] == '-') ? path : abspath);
 
         pr_debug("llvm compiling command template: %s\n", template);
+
+        if (asprintf(&command_echo, "echo -n \"%s\"", template) < 0)
+                goto errout;
+
+        err = read_from_pipe(command_echo, (void **) &command_out, NULL);
+        if (err)
+                goto errout;
+
+        pr_debug("llvm compiling command : %s\n", command_out);
+
         err = read_from_pipe(template, &obj_buf, &obj_buf_sz);
         if (err) {
                 pr_err("ERROR:\tunable to compile %s\n", path);
@@ -497,6 +508,8 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf,
                 goto errout;
         }
 
+        free(command_echo);
+        free(command_out);
         free(kbuild_dir);
         free(kbuild_include_opts);
 
@@ -509,6 +522,7 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf,
                 *p_obj_buf_sz = obj_buf_sz;
         return 0;
 errout:
+        free(command_echo);
         free(kbuild_dir);
         free(kbuild_include_opts);
         free(obj_buf);