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Diffstat (limited to 'src/cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh')
-rw-r--r-- | src/cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh b/src/cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh new file mode 100644 index 000000000..94eee44d7 --- /dev/null +++ b/src/cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh @@ -0,0 +1,165 @@ +/* + * Copyright (c) 2016 Georgia Institute of Technology + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Tushar Krishna + */ + +#ifndef __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__ +#define __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__ + +#include <set> + +#include "base/statistics.hh" +#include "mem/mem_object.hh" +#include "mem/port.hh" +#include "params/GarnetSyntheticTraffic.hh" +#include "sim/eventq.hh" +#include "sim/sim_exit.hh" +#include "sim/sim_object.hh" +#include "sim/stats.hh" + +enum TrafficType {BIT_COMPLEMENT_ = 0, + BIT_REVERSE_ = 1, + BIT_ROTATION_ = 2, + NEIGHBOR_ = 3, + SHUFFLE_ = 4, + TORNADO_ = 5, + TRANSPOSE_ = 6, + UNIFORM_RANDOM_ = 7, + NUM_TRAFFIC_PATTERNS_}; + +class Packet; +class GarnetSyntheticTraffic : public MemObject +{ + public: + typedef GarnetSyntheticTrafficParams Params; + GarnetSyntheticTraffic(const Params *p); + + virtual void init(); + + // main simulation loop (one cycle) + void tick(); + + virtual BaseMasterPort &getMasterPort(const std::string &if_name, + PortID idx = InvalidPortID); + + /** + * Print state of address in memory system via PrintReq (for + * debugging). + */ + void printAddr(Addr a); + + protected: + class TickEvent : public Event + { + private: + GarnetSyntheticTraffic *cpu; + + public: + TickEvent(GarnetSyntheticTraffic *c) : Event(CPU_Tick_Pri), cpu(c) {} + void process() { cpu->tick(); } + virtual const char *description() const + { + return "GarnetSyntheticTraffic tick"; + } + }; + + TickEvent tickEvent; + + class CpuPort : public MasterPort + { + GarnetSyntheticTraffic *tester; + + public: + + CpuPort(const std::string &_name, GarnetSyntheticTraffic *_tester) + : MasterPort(_name, _tester), tester(_tester) + { } + + protected: + + virtual bool recvTimingResp(PacketPtr pkt); + + virtual void recvReqRetry(); + }; + + CpuPort cachePort; + + class GarnetSyntheticTrafficSenderState : public Packet::SenderState + { + public: + /** Constructor. */ + GarnetSyntheticTrafficSenderState(uint8_t *_data) + : data(_data) + { } + + // Hold onto data pointer + uint8_t *data; + }; + + PacketPtr retryPkt; + unsigned size; + int id; + + std::map<std::string, TrafficType> trafficStringToEnum; + + unsigned blockSizeBits; + + Tick noResponseCycles; + + int numDestinations; + Tick simCycles; + int numPacketsMax; + int numPacketsSent; + int singleSender; + int singleDest; + + std::string trafficType; // string + TrafficType traffic; // enum from string + double injRate; + int injVnet; + int precision; + + const Cycles responseLimit; + + MasterID masterId; + + void completeRequest(PacketPtr pkt); + + void generatePkt(); + void sendPkt(PacketPtr pkt); + void initTrafficType(); + + void doRetry(); + + friend class MemCompleteEvent; +}; + +#endif // __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__ + + + |