Rename kprobe_poll to perf_buffer_poll
diff --git a/tools/tcpconnlat.py b/tools/tcpconnlat.py
index 5f7404e..8bfeb1e 100755
--- a/tools/tcpconnlat.py
+++ b/tools/tcpconnlat.py
@@ -265,4 +265,4 @@
 b["ipv4_events"].open_perf_buffer(print_ipv4_event)
 b["ipv6_events"].open_perf_buffer(print_ipv6_event)
 while 1:
-    b.kprobe_poll()
+    b.perf_buffer_poll()