1/* |
2 * Copyright (c) 2016-2017 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 hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated --- 50 unchanged lines hidden (view full) --- 61 typedef MathExprPowerModelParams Params; 62 MathExprPowerModel(const Params *p); 63 64 /** 65 * Get the dynamic power consumption. 66 * 67 * @return Power (Watts) consumed by this object (dynamic component) 68 */ |
69 double getDynamicPower() const { return eval(dyn_expr); } |
70 71 /** 72 * Get the static power consumption. 73 * 74 * @return Power (Watts) consumed by this object (static component) 75 */ |
76 double getStaticPower() const { return eval(st_expr); } |
77 78 /** 79 * Get the value for a variable (maps to a stat) 80 * 81 * @param name Name of the variable to retrieve the value from 82 * 83 * @return Power (Watts) consumed by this object (static component) 84 */ 85 double getStatValue(const std::string & name) const; 86 87 void startup(); 88 89 void regStats(); 90 91 private: |
92 /** 93 * Evaluate an expression in the context of this object, fatal if 94 * evaluation fails. 95 * 96 * @param expr Expression to evaluate 97 * @return Value of expression. 98 */ 99 double eval(const MathExpr &expr) const; |
100 |
101 /** 102 * Evaluate an expression in the context of this object, set 103 * failed if evaluation failed. 104 * 105 * @param expr Expression to evaluate 106 * @return Value of expression. 107 */ 108 double tryEval(const MathExpr &expr) const; 109 |
110 // Math expressions for dynamic and static power 111 MathExpr dyn_expr, st_expr; 112 113 // Basename of the object in the gem5 stats hierachy 114 std::string basename; 115 116 // Map that contains relevant stats for this power model 117 std::unordered_map<std::string, Stats::Info*> stats_map; |
118 119 // Did the expression fail to evaluate (e.g., because a stat value 120 // can't be resolved) 121 mutable bool failed; |
122}; 123 124#endif |