cpu: Ensure the traffic generator suppresses non-memory packets
This patch adds a check to ensure that packets which are not going to a memory range are suppressed in the traffic generator. Thus, if a trace is collected in full-system, the packets destined for devices are not played back.
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1 changed files with 12 additions and 4 deletions
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@ -187,11 +187,19 @@ TrafficGen::update()
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assert(curTick() >= nextPacketTick);
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// get the next packet and try to send it
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PacketPtr pkt = states[currState]->getNextPacket();
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// suppress packets that are not destined for a memory, such as
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// device accesses that could be part of a trace
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if (system->isMemAddr(pkt->getAddr())) {
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numPackets++;
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if (!port.sendTimingReq(pkt)) {
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retryPkt = pkt;
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retryPktTick = curTick();
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}
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} else {
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DPRINTF(TrafficGen, "Suppressed packet %s 0x%x\n",
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pkt->cmdString(), pkt->getAddr());
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}
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}
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// if we are waiting for a retry, do not schedule any further
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