1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* Copyright (c) 2012-2014, TU Delft
* Copyright (c) 2012-2014, TU Eindhoven
* Copyright (c) 2012-2014, TU Kaiserslautern
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Karthik Chandrasekar, Matthias Jung, Omar Naji
*
*/
#ifndef COMMAND_TIMINGS_H
#define COMMAND_TIMINGS_H
#include <stdint.h>
#include <vector>
#include <iostream>
#include <deque>
#include <string>
#include "MemCommand.h"
#include "MemorySpecification.h"
#include "Utils.h"
namespace Data {
class CommandAnalysis {
public:
// Power-Down and Self-refresh related memory states
enum memstate {
MS_PDN_F_ACT = 10, MS_PDN_S_ACT = 11, MS_PDN_F_PRE = 12,
MS_PDN_S_PRE = 13, MS_SREF = 14
};
// Returns number of reads, writes, acts, pres and refs in the trace
CommandAnalysis(const int64_t nbrofBanks);
// Number of activate commands
int64_t numberofacts;
// Number of precharge commands
int64_t numberofpres;
// Number of reads commands
int64_t numberofreads;
// Number of writes commands
int64_t numberofwrites;
// Number of refresh commands
int64_t numberofrefs;
// Number of precharge cycles
int64_t precycles;
// Number of active cycles
int64_t actcycles;
// Number of Idle cycles in the active state
int64_t idlecycles_act;
// Number of Idle cycles in the precharge state
int64_t idlecycles_pre;
// Number of fast-exit activate power-downs
int64_t f_act_pdns;
// Number of slow-exit activate power-downs
int64_t s_act_pdns;
// Number of fast-exit precharged power-downs
int64_t f_pre_pdns;
// Number of slow-exit activate power-downs
int64_t s_pre_pdns;
// Number of self-refresh commands
int64_t numberofsrefs;
// Number of clock cycles in fast-exit activate power-down mode
int64_t f_act_pdcycles;
// Number of clock cycles in slow-exit activate power-down mode
int64_t s_act_pdcycles;
// Number of clock cycles in fast-exit precharged power-down mode
int64_t f_pre_pdcycles;
// Number of clock cycles in slow-exit precharged power-down mode
int64_t s_pre_pdcycles;
// Number of clock cycles in self-refresh mode
int64_t sref_cycles;
// Number of clock cycles in activate power-up mode
int64_t pup_act_cycles;
// Number of clock cycles in precharged power-up mode
int64_t pup_pre_cycles;
// Number of clock cycles in self-refresh power-up mode
int64_t spup_cycles;
// Number of active auto-refresh cycles in self-refresh mode
int64_t sref_ref_act_cycles;
// Number of precharged auto-refresh cycles in self-refresh mode
int64_t sref_ref_pre_cycles;
// Number of active auto-refresh cycles during self-refresh exit
int64_t spup_ref_act_cycles;
// Number of precharged auto-refresh cycles during self-refresh exit
int64_t spup_ref_pre_cycles;
// function for clearing counters
void clearStats(const int64_t timestamp);
// function for clearing arrays
void clear();
// To identify auto-precharges
void getCommands(const MemorySpecification& memSpec,
std::vector<MemCommand>& list,
bool lastupdate);
private:
int64_t zero;
// Cached last read command from the file
std::vector<MemCommand> cached_cmd;
// Stores the memory commands for analysis
std::vector<MemCommand> cmd_list;
// To save states of the different banks, before entering active
// power-down mode (slow/fast-exit).
std::vector<int> last_states;
// Bank state vector
std::vector<int> bankstate;
std::vector<int64_t> activation_cycle;
// To keep track of the last ACT cycle
int64_t latest_act_cycle;
// To keep track of the last PRE cycle
int64_t latest_pre_cycle;
// To keep track of the last READ cycle
int64_t latest_read_cycle;
// To keep track of the last WRITE cycle
int64_t latest_write_cycle;
// To calculate end of READ operation
int64_t end_read_op;
// To calculate end of WRITE operation
int64_t end_write_op;
// To calculate end of ACT operation
int64_t end_act_op;
// Clock cycle when self-refresh was issued
int64_t sref_cycle;
// Clock cycle when the latest power-down was issued
int64_t pdn_cycle;
// Memory State
unsigned mem_state;
unsigned num_active_banks;
// Clock cycle of first activate command when memory state changes to ACT
int64_t first_act_cycle;
// Clock cycle of last precharge command when memory state changes to PRE
int64_t last_pre_cycle;
// To perform timing analysis of a given set of commands and update command counters
void evaluate(const MemorySpecification& memSpec,
std::vector<MemCommand>& cmd_list);
// To calculate time of completion of any issued command
int64_t timeToCompletion(const MemorySpecification& memSpec,
MemCommand::cmds type);
// To update idle period information whenever active cycles may be idle
void idle_act_update(const MemorySpecification& memSpec,
int64_t latest_read_cycle,
int64_t latest_write_cycle,
int64_t latest_act_cycle,
int64_t timestamp);
// To update idle period information whenever precharged cycles may be idle
void idle_pre_update(const MemorySpecification& memSpec,
int64_t timestamp,
int64_t latest_pre_cycle);
void printWarningIfActive(const std::string& warning, int type, int64_t timestamp, int bank);
void printWarningIfNotActive(const std::string& warning, int type, int64_t timestamp, int bank);
void printWarningIfPoweredDown(const std::string& warning, int type, int64_t timestamp, int bank);
void printWarning(const std::string& warning, int type, int64_t timestamp, int bank);
};
}
#endif // ifndef COMMAND_TIMINGS_H
|
