1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 38 unchanged lines hidden (view full) --- 47#include "mem/ruby/network/Network.hh" 48#include "mem/ruby/system/System.hh" 49 50class MessageBuffer; 51 52class Throttle : public Consumer 53{ 54 public: |
55 Throttle(int sID, NodeID node, Cycles link_latency, |
56 int link_bandwidth_multiplier, int endpoint_bandwidth, 57 ClockedObject *em); |
58 Throttle(NodeID node, Cycles link_latency, int link_bandwidth_multiplier, |
59 int endpoint_bandwidth, ClockedObject *em); 60 ~Throttle() {} 61 62 std::string name() 63 { return csprintf("Throttle-%i", m_sID); } 64 65 void addLinks(const std::vector<MessageBuffer*>& in_vec, 66 const std::vector<MessageBuffer*>& out_vec, ClockedObject *em); 67 void wakeup(); 68 69 void printStats(std::ostream& out) const; 70 void clearStats(); 71 // The average utilization (a percent) since last clearStats() 72 double getUtilization() const; |
73 int getLinkBandwidth() const 74 { return m_endpoint_bandwidth * m_link_bandwidth_multiplier; } |
75 |
76 Cycles getLatency() const { return m_link_latency; } |
77 const std::vector<std::vector<int> >& 78 getCounters() const 79 { 80 return m_message_counters; 81 } 82 83 void clear(); 84 85 void print(std::ostream& out) const; 86 87 private: |
88 void init(NodeID node, Cycles link_latency, int link_bandwidth_multiplier, |
89 int endpoint_bandwidth); 90 void addVirtualNetwork(MessageBuffer* in_ptr, MessageBuffer* out_ptr, 91 ClockedObject *em); 92 void linkUtilized(double ratio) { m_links_utilized += ratio; } 93 94 // Private copy constructor and assignment operator 95 Throttle(const Throttle& obj); 96 Throttle& operator=(const Throttle& obj); 97 98 std::vector<MessageBuffer*> m_in; 99 std::vector<MessageBuffer*> m_out; 100 std::vector<std::vector<int> > m_message_counters; 101 int m_vnets; 102 std::vector<int> m_units_remaining; 103 int m_sID; 104 NodeID m_node; 105 int m_link_bandwidth_multiplier; |
106 Cycles m_link_latency; |
107 int m_wakeups_wo_switch; 108 int m_endpoint_bandwidth; 109 110 // For tracking utilization 111 Time m_ruby_start; 112 double m_links_utilized; 113}; 114 115inline std::ostream& 116operator<<(std::ostream& out, const Throttle& obj) 117{ 118 obj.print(out); 119 out << std::flush; 120 return out; 121} 122 123#endif // __MEM_RUBY_NETWORK_SIMPLE_THROTTLE_HH__ |