diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
@@ -2536,7 +2536,9 @@
                           (1024.0 * 1024.0);
         float packets_per_second =
             ((float)packet_count) / duration<float>(total_time).count();
-        const auto average_per_packet = total_time / packet_count;
+        const auto average_per_packet = packet_count > 0
+                                            ? total_time / packet_count
+                                            : duration<float>::zero();
 
         if (json) {
           strm.Format("{0}\n     {{\"send_size\" : {1,6}, \"recv_size\" : "