The following commit has been merged into the perf/core branch of tip: Commit-ID: 357a5d24c4715d454f8acd6796e2adaaef0c48ed Gitweb: https://git.kernel.org/tip/357a5d24c4715d454f8acd6796e2adaaef0c48ed Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> AuthorDate: Thu, 27 Feb 2020 11:43:53 -03:00 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitterDate: Wed, 04 Mar 2020 10:34:10 -03:00 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@xxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/perf/util/llvm-utils.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c index b5af680..dbdffb6 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; }
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