From 357a5d24c4715d454f8acd6796e2adaaef0c48ed Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Thu, 27 Feb 2020 11:43:53 -0300
Subject: perf llvm: Add debug hint message about missing kernel-devel package
To help in debugging, add this extra message:
detect_kbuild_dir: Couldn't find "/lib/modules/5.4.20-200.fc31.x86_64/build/include/generated/autoconf.h", missing kernel-devel package?.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/llvm-utils.c | 2 ++
1 file changed, 2 insertions(+)
(limited to 'tools/perf/util/llvm-utils.c')
diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index b5af680fc667..dbdffb6673fe 100644
--- 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;
}
--
cgit v1.2.3-70-g09d2