diff options
Diffstat (limited to 'tools/perf/util/llvm-utils.c')
| -rw-r--r-- | tools/perf/util/llvm-utils.c | 14 |
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); |