summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/mem/packet_queue.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mem/packet_queue.cc b/src/mem/packet_queue.cc
index 8030cb38f..e60e77453 100644
--- a/src/mem/packet_queue.cc
+++ b/src/mem/packet_queue.cc
@@ -113,6 +113,13 @@ PacketQueue::schedSendTiming(PacketPtr pkt, Tick when, bool send_as_snoop)
// express snoops should never be queued
assert(!pkt->isExpressSnoop());
+ // add a very basic sanity check on the port to ensure the
+ // invisible buffer is not growing beyond reasonable limits
+ if (transmitList.size() > 100) {
+ panic("Packet queue %s has grown beyond 100 packets\n",
+ name());
+ }
+
// nothing on the list, or earlier than current front element,
// schedule an event
if (transmitList.empty() || when < transmitList.front().tick) {