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;

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40 File modification date: 2008-02-23
41
42 ----------------------------------------------------------------------
43*/
44
45#ifndef __MEM_RUBY_PROFILER_PROFILER_HH__
46#define __MEM_RUBY_PROFILER_PROFILER_HH__
47
48#include <map>
49#include <string>
50#include <vector>
51
52#include "base/callback.hh"
53#include "base/hashmap.hh"
54#include "base/statistics.hh"
55#include "mem/protocol/AccessType.hh"
56#include "mem/protocol/PrefetchBit.hh"
57#include "mem/protocol/RubyAccessMode.hh"
58#include "mem/protocol/RubyRequestType.hh"
59#include "mem/ruby/common/Global.hh"
60#include "mem/ruby/system/MachineID.hh"
61#include "params/RubySystem.hh"
62
63class RubyRequest;
64class AddressProfiler;
65
66class Profiler
67{
68 public:
69 Profiler(const RubySystemParams *);
70 ~Profiler();
71
72 void wakeup();
73 void regStats(const std::string &name);
74 void collateStats();
75
76 AddressProfiler* getAddressProfiler() { return m_address_profiler_ptr; }
77 AddressProfiler* getInstructionProfiler() { return m_inst_profiler_ptr; }
78
79 void addAddressTraceSample(const RubyRequest& msg, NodeID id);
80
81 // added by SS
82 bool getHotLines() { return m_hot_lines; }
83 bool getAllInstructions() { return m_all_instructions; }
84
85 private:
86 // Private copy constructor and assignment operator
87 Profiler(const Profiler& obj);
88 Profiler& operator=(const Profiler& obj);
89
90 AddressProfiler* m_address_profiler_ptr;
91 AddressProfiler* m_inst_profiler_ptr;
92
93 Stats::Histogram delayHistogram;
94 std::vector<Stats::Histogram *> delayVCHistogram;
95
96 //! Histogram for number of outstanding requests per cycle.
97 Stats::Histogram m_outstandReqHist;
98
99 //! Histogram for holding latency profile of all requests.
100 Stats::Histogram m_latencyHist;
101 std::vector<Stats::Histogram *> m_typeLatencyHist;
102
103 //! Histogram for holding latency profile of all requests that
104 //! hit in the controller connected to this sequencer.
105 Stats::Histogram m_hitLatencyHist;
106 std::vector<Stats::Histogram *> m_hitTypeLatencyHist;
107
108 //! Histograms for profiling the latencies for requests that
109 //! did not required external messages.
110 std::vector<Stats::Histogram *> m_hitMachLatencyHist;
111 std::vector< std::vector<Stats::Histogram *> > m_hitTypeMachLatencyHist;
112
113 //! Histogram for holding latency profile of all requests that
114 //! miss in the controller connected to this sequencer.
115 Stats::Histogram m_missLatencyHist;
116 std::vector<Stats::Histogram *> m_missTypeLatencyHist;
117
118 //! Histograms for profiling the latencies for requests that
119 //! required external messages.
120 std::vector<Stats::Histogram *> m_missMachLatencyHist;
121 std::vector< std::vector<Stats::Histogram *> > m_missTypeMachLatencyHist;
122
123 //! Histograms for recording the breakdown of miss latency
124 std::vector<Stats::Histogram *> m_IssueToInitialDelayHist;
125 std::vector<Stats::Histogram *> m_InitialToForwardDelayHist;
126 std::vector<Stats::Histogram *> m_ForwardToFirstResponseDelayHist;
127 std::vector<Stats::Histogram *> m_FirstResponseToCompletionDelayHist;
128 std::vector<Stats::Scalar> m_IncompleteTimes;
129
130 //added by SS
131 bool m_hot_lines;
132 bool m_all_instructions;
133};
134
135#endif // __MEM_RUBY_PROFILER_PROFILER_HH__