perf llvm: Add debug hint message about missing kernel-devel package

[linux-2.6-microblaze.git] / tools / perf / util / llvm-utils.c

diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index b5af680..dbdffb6 100644 (file)
--- a/tools/perf/util/llvm-utils.c
+++ b/tools/perf/util/llvm-utils.c
@@ -265,6 +265,8 @@ static int detect_kbuild_dir(char **kbuild_dir)
                        return -ENOMEM;
                return 0;
        }
+       pr_debug("%s: Couldn't find \"%s\", missing kernel-devel package?.\n",
+                __func__, autoconf_path);
        free(autoconf_path);
        return -ENOENT;
 }