random_gen.hh (12804:f47e75dce5c6) | random_gen.hh (12811:269967d5b4e4) |
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1/* | 1/* |
2 * Copyright (c) 2012-2013, 2017 ARM Limited | 2 * Copyright (c) 2012-2013, 2017-2018 ARM Limited |
3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed here under. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated --- 43 unchanged lines hidden (view full) --- 54#include "base_gen.hh" 55#include "mem/packet.hh" 56 57/** 58 * The random generator is similar to the linear one, but does 59 * not generate sequential addresses. Instead it randomly 60 * picks an address in the range, aligned to the block size. 61 */ | 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed here under. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated --- 43 unchanged lines hidden (view full) --- 54#include "base_gen.hh" 55#include "mem/packet.hh" 56 57/** 58 * The random generator is similar to the linear one, but does 59 * not generate sequential addresses. Instead it randomly 60 * picks an address in the range, aligned to the block size. 61 */ |
62class RandomGen : public BaseGen | 62class RandomGen : public StochasticGen |
63{ 64 65 public: 66 67 /** 68 * Create a random address sequence generator. Set 69 * min_period == max_period for a fixed inter-transaction 70 * time. 71 * | 63{ 64 65 public: 66 67 /** 68 * Create a random address sequence generator. Set 69 * min_period == max_period for a fixed inter-transaction 70 * time. 71 * |
72 * @param _name Name to use for status and debug 73 * @param master_id MasterID set on each request | 72 * @param gen Traffic generator owning this sequence generator |
74 * @param _duration duration of this state before transitioning 75 * @param start_addr Start address 76 * @param end_addr End address 77 * @param _blocksize Size used for transactions injected 78 * @param min_period Lower limit of random inter-transaction time 79 * @param max_period Upper limit of random inter-transaction time 80 * @param read_percent Percent of transactions that are reads 81 * @param data_limit Upper limit on how much data to read/write 82 */ | 73 * @param _duration duration of this state before transitioning 74 * @param start_addr Start address 75 * @param end_addr End address 76 * @param _blocksize Size used for transactions injected 77 * @param min_period Lower limit of random inter-transaction time 78 * @param max_period Upper limit of random inter-transaction time 79 * @param read_percent Percent of transactions that are reads 80 * @param data_limit Upper limit on how much data to read/write 81 */ |
83 RandomGen(const std::string& _name, MasterID master_id, Tick _duration, | 82 RandomGen(BaseTrafficGen &gen, Tick _duration, |
84 Addr start_addr, Addr end_addr, Addr _blocksize, 85 Tick min_period, Tick max_period, 86 uint8_t read_percent, Addr data_limit) | 83 Addr start_addr, Addr end_addr, Addr _blocksize, 84 Tick min_period, Tick max_period, 85 uint8_t read_percent, Addr data_limit) |
87 : BaseGen(_name, master_id, _duration), 88 startAddr(start_addr), endAddr(end_addr), 89 blocksize(_blocksize), minPeriod(min_period), 90 maxPeriod(max_period), readPercent(read_percent), 91 dataLimit(data_limit), dataManipulated(0) | 86 : StochasticGen(gen, _duration, start_addr, end_addr, _blocksize, 87 min_period, max_period, read_percent, data_limit), 88 dataManipulated(0) |
92 { } 93 94 void enter(); 95 96 PacketPtr getNextPacket(); 97 98 Tick nextPacketTick(bool elastic, Tick delay) const; 99 100 protected: | 89 { } 90 91 void enter(); 92 93 PacketPtr getNextPacket(); 94 95 Tick nextPacketTick(bool elastic, Tick delay) const; 96 97 protected: |
101 102 /** Start of address range */ 103 const Addr startAddr; 104 105 /** End of address range */ 106 const Addr endAddr; 107 108 /** Block size */ 109 const Addr blocksize; 110 111 /** Request generation period */ 112 const Tick minPeriod; 113 const Tick maxPeriod; 114 | |
115 /** | 98 /** |
116 * Percent of generated transactions that should be reads 117 */ 118 const uint8_t readPercent; 119 120 /** Maximum amount of data to manipulate */ 121 const Addr dataLimit; 122 123 /** | |
124 * Counter to determine the amount of data 125 * manipulated. Used to determine if we should continue 126 * generating requests. 127 */ 128 Addr dataManipulated; 129}; 130 131#endif | 99 * Counter to determine the amount of data 100 * manipulated. Used to determine if we should continue 101 * generating requests. 102 */ 103 Addr dataManipulated; 104}; 105 106#endif |