1 files changed, 13 insertions, 2 deletions

diff --git a/tools/perf/bash_completion b/tools/perf/bash_completion
index 1958fa539d0f..3d48cee1b5e5 100644
--- a/tools/perf/bash_completion
+++ b/tools/perf/bash_completion
@@ -1,12 +1,23 @@
 # perf completion
 
+function_exists()
+{
+        declare -F $1 > /dev/null
+        return $?
+}
+
 have perf &&
 _perf()
 {
-        local cur cmd
+        local cur prev cmd
 
         COMPREPLY=()
-        _get_comp_words_by_ref cur prev
+        if function_exists _get_comp_words_by_ref; then
+                _get_comp_words_by_ref cur prev
+        else
+                cur=$(_get_cword)
+                prev=${COMP_WORDS[COMP_CWORD-1]}
+        fi
 
         cmd=${COMP_WORDS[0]}