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StoreTrace.cc
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1 /*
2  * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3  * All rights reserved.
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27  */
28 
30 
31 #include "sim/core.hh"
32 
33 using namespace std;
34 
35 bool StoreTrace::s_init = false; // Total number of store lifetimes of
36  // all lines
37 int64_t StoreTrace::s_total_samples = 0; // Total number of store
38  // lifetimes of all lines
43 
45  : m_store_count(-1), m_store_first_to_stolen(-1),
46  m_store_last_to_stolen(-1), m_store_first_to_last(-1)
47 {
49  m_addr = addr;
50  m_total_samples = 0;
51 
52  // Really -1 isn't valid, so this will trigger the initilization code
53  m_last_writer = -1;
55 }
56 
58 {
59 }
60 
61 void
62 StoreTrace::print(ostream& out) const
63 {
64  out << m_addr
65  << " total_samples: " << m_total_samples << endl
66  << "store_count: " << m_store_count << endl
67  << "store_first_to_stolen: " << m_store_first_to_stolen << endl
68  << "store_last_to_stolen: " << m_store_last_to_stolen << endl
69  << "store_first_to_last: " << m_store_first_to_last << endl;
70 }
71 
72 void
74 {
75  if (!s_init) {
76  s_total_samples = 0;
77  s_store_count_ptr = new Histogram(-1);
81  }
82  s_init = true;
83 }
84 
85 void
87 {
88  out << "total_samples: " << s_total_samples << endl;
89  out << "store_count: " << (*s_store_count_ptr) << endl;
90  out << "store_first_to_stolen: " << (*s_store_first_to_stolen_ptr) << endl;
91  out << "store_last_to_stolen: " << (*s_store_last_to_stolen_ptr) << endl;
92  out << "store_first_to_last: " << (*s_store_first_to_last_ptr) << endl;
93 }
94 
95 void
97 {
99  s_total_samples = 0;
104 }
105 
106 void
108 {
109  Tick current = curTick();
110 
111  assert((m_last_writer == -1) || (m_last_writer == node));
112 
113  m_last_writer = node;
114  if (m_last_writer == -1) {
115  assert(m_stores_this_interval == 0);
116  }
117 
118  if (m_stores_this_interval == 0) {
119  // A new proessor just wrote the line, so reset the stats
120  m_first_store = current;
121  }
122 
123  m_last_store = current;
125 }
126 
127 void
129 {
130  if (node == m_last_writer) {
131  Tick current = curTick();
132  assert(m_stores_this_interval != 0);
133  assert(m_last_store != 0);
134  assert(m_first_store != 0);
135  assert(m_last_writer != -1);
136 
137  // Per line stats
142  m_total_samples++;
143 
144  // Global stats
145  assert(s_store_first_to_stolen_ptr != NULL);
150  s_total_samples++;
151 
152  // Initilize for next go round
154  m_last_store = 0;
155  m_first_store = 0;
156  m_last_writer = -1;
157  }
158 }
Tick m_first_store
Definition: StoreTrace.hh:65
static Histogram * s_store_count_ptr
Definition: StoreTrace.hh:58
int64_t m_total_samples
Definition: StoreTrace.hh:69
static bool s_init
Definition: StoreTrace.hh:55
ip6_addr_t addr
Definition: inet.hh:335
NodeID m_last_writer
Definition: StoreTrace.hh:64
static Histogram * s_store_first_to_last_ptr
Definition: StoreTrace.hh:61
static void clearSummary()
Definition: StoreTrace.cc:96
void downgrade(NodeID node)
Definition: StoreTrace.cc:128
static void initSummary()
Definition: StoreTrace.cc:73
static void printSummary(std::ostream &out)
Definition: StoreTrace.cc:86
static int64_t s_total_samples
Definition: StoreTrace.hh:56
unsigned int NodeID
Definition: TypeDefines.hh:34
Tick curTick()
The current simulated tick.
Definition: core.hh:47
void add(int64_t value)
Definition: Histogram.cc:88
Addr m_addr
Definition: StoreTrace.hh:63
uint64_t Tick
Tick count type.
Definition: types.hh:63
static Histogram * s_store_last_to_stolen_ptr
Definition: StoreTrace.hh:60
static Histogram * s_store_first_to_stolen_ptr
Definition: StoreTrace.hh:59
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
int m_stores_this_interval
Definition: StoreTrace.hh:67
Tick m_last_store
Definition: StoreTrace.hh:66
Histogram m_store_last_to_stolen
Definition: StoreTrace.hh:72
void print(std::ostream &out) const
Definition: StoreTrace.cc:62
void clear()
Definition: Histogram.hh:47
Histogram m_store_first_to_stolen
Definition: StoreTrace.hh:71
void store(NodeID node)
Definition: StoreTrace.cc:107
Histogram m_store_first_to_last
Definition: StoreTrace.hh:73
Histogram m_store_count
Definition: StoreTrace.hh:70

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