Commit 357a5d24 authored Feb 27, 2020 by Arnaldo Carvalho de Melo

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>

parent 1af62ce6

tools/perf/util/llvm-utils.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -265,6 +265,8 @@ static int detect_kbuild_dir(char **kbuild_dir)
	return -ENOMEM;		return -ENOMEM;
	return 0;		return 0;
	}		}
			pr_debug("%s: Couldn't find \"%s\", missing kernel-devel package?.\n",
			__func__, autoconf_path);
	free(autoconf_path);		free(autoconf_path);
	return -ENOENT;		return -ENOENT;
	}		}

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