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-rw-r--r--src/cpu/testers/traffic_gen/traffic_gen.cc16
1 files changed, 12 insertions, 4 deletions
diff --git a/src/cpu/testers/traffic_gen/traffic_gen.cc b/src/cpu/testers/traffic_gen/traffic_gen.cc
index d53c9b000..c1ce0d6d4 100644
--- a/src/cpu/testers/traffic_gen/traffic_gen.cc
+++ b/src/cpu/testers/traffic_gen/traffic_gen.cc
@@ -187,10 +187,18 @@ TrafficGen::update()
assert(curTick() >= nextPacketTick);
// get the next packet and try to send it
PacketPtr pkt = states[currState]->getNextPacket();
- numPackets++;
- if (!port.sendTimingReq(pkt)) {
- retryPkt = pkt;
- retryPktTick = curTick();
+
+ // suppress packets that are not destined for a memory, such as
+ // device accesses that could be part of a trace
+ if (system->isMemAddr(pkt->getAddr())) {
+ numPackets++;
+ if (!port.sendTimingReq(pkt)) {
+ retryPkt = pkt;
+ retryPktTick = curTick();
+ }
+ } else {
+ DPRINTF(TrafficGen, "Suppressed packet %s 0x%x\n",
+ pkt->cmdString(), pkt->getAddr());
}
}