Rename kprobe_poll to perf_buffer_poll
diff --git a/tools/biosnoop.py b/tools/biosnoop.py
index 314a19e..32d83e5 100755
--- a/tools/biosnoop.py
+++ b/tools/biosnoop.py
@@ -185,4 +185,4 @@
 # loop with callback to print_event
 b["events"].open_perf_buffer(print_event, page_cnt=64)
 while 1:
-    b.kprobe_poll()
+    b.perf_buffer_poll()