diff --git a/tools/offcputime.py b/tools/offcputime.py
index 7ba5dc5..128c649 100755
--- a/tools/offcputime.py
+++ b/tools/offcputime.py
@@ -251,7 +251,8 @@
 
 # initialize BPF
 b = BPF(text=bpf_text)
-b.attach_kprobe(event="finish_task_switch", fn_name="oncpu")
+b.attach_kprobe(event_re="^finish_task_switch$|^finish_task_switch\.isra\.\d$",
+                fn_name="oncpu")
 matched = b.num_open_kprobes()
 if matched == 0:
     print("error: 0 functions traced. Exiting.", file=stderr)