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authorArnaldo Carvalho de Melo <acme@redhat.com>2020-02-27 11:43:53 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-03-04 10:34:10 -0300
commit357a5d24c4715d454f8acd6796e2adaaef0c48ed (patch)
tree19a0518a69c08173f128f830c88f4563796a8147 /tools/perf/util/llvm-utils.c
parent1af62ce61cd80a25590d5abeccfb5c3a666527dd (diff)
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>
Diffstat (limited to 'tools/perf/util/llvm-utils.c')
-rw-r--r--tools/perf/util/llvm-utils.c2
1 files changed, 2 insertions, 0 deletions
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;
}