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
|
/*
* Copyright (c) 2009 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* 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;
* neither the name of the copyright holders 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
* OWNER 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.
*/
#ifndef __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCONTROLLER_HH__
#define __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCONTROLLER_HH__
#include <iostream>
#include <string>
#include "base/callback.hh"
#include "mem/protocol/AccessPermission.hh"
#include "mem/ruby/buffers/MessageBuffer.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/common/Consumer.hh"
#include "mem/ruby/common/DataBlock.hh"
#include "mem/ruby/common/Histogram.hh"
#include "mem/ruby/network/Network.hh"
#include "mem/ruby/recorder/CacheRecorder.hh"
#include "mem/ruby/system/MachineID.hh"
#include "mem/packet.hh"
#include "params/RubyController.hh"
#include "sim/clocked_object.hh"
class Network;
class AbstractController : public ClockedObject, public Consumer
{
public:
typedef RubyControllerParams Params;
AbstractController(const Params *p);
void init();
const Params *params() const { return (const Params *)_params; }
const NodeID getVersion() const { return m_machineID.getNum(); }
const MachineType getType() const { return m_machineID.getType(); }
void initNetworkPtr(Network* net_ptr) { m_net_ptr = net_ptr; }
// return instance name
void blockOnQueue(Address, MessageBuffer*);
void unblock(Address);
virtual MessageBuffer* getMandatoryQueue() const = 0;
virtual const std::string toString() const = 0; // returns text version of
// controller type
virtual AccessPermission getAccessPermission(const Address& addr) = 0;
virtual DataBlock& getDataBlock(const Address& addr) = 0;
virtual void print(std::ostream & out) const = 0;
virtual void wakeup() = 0;
virtual void resetStats() = 0;
virtual void regStats();
virtual void recordCacheTrace(int cntrl, CacheRecorder* tr) = 0;
virtual Sequencer* getSequencer() const = 0;
//! These functions are used by ruby system to read/write the message
//! queues that exist with in the controller.
//! The boolean return value indicates if the read was performed
//! successfully.
virtual bool functionalReadBuffers(PacketPtr&) = 0;
//! The return value indicates the number of messages written with the
//! data from the packet.
virtual uint32_t functionalWriteBuffers(PacketPtr&) = 0;
//! Function for enqueuing a prefetch request
virtual void enqueuePrefetch(const Address&, const RubyRequestType&)
{ fatal("Prefetches not implemented!");}
//! Function for collating statistics from all the controllers of this
//! particular type. This function should only be called from the
//! version 0 of this controller type.
virtual void collateStats()
{fatal("collateStats() should be overridden!");}
public:
MachineID getMachineID() const { return m_machineID; }
Stats::Histogram& getDelayHist() { return m_delayHistogram; }
Stats::Histogram& getDelayVCHist(uint32_t index)
{ return *(m_delayVCHistogram[index]); }
MessageBuffer *getPeerQueue(uint32_t pid)
{
std::map<uint32_t, MessageBuffer *>::iterator it =
peerQueueMap.find(pid);
assert(it != peerQueueMap.end());
return (*it).second;
}
protected:
//! Profiles original cache requests including PUTs
void profileRequest(const std::string &request);
//! Profiles the delay associated with messages.
void profileMsgDelay(uint32_t virtualNetwork, Cycles delay);
//! Function for connecting peer controllers
void connectWithPeer(AbstractController *);
virtual void getQueuesFromPeer(AbstractController *)
{ fatal("getQueuesFromPeer() should be called only if implemented!"); }
void stallBuffer(MessageBuffer* buf, Address addr);
void wakeUpBuffers(Address addr);
void wakeUpAllBuffers(Address addr);
void wakeUpAllBuffers();
protected:
NodeID m_version;
MachineID m_machineID;
NodeID m_clusterID;
Network* m_net_ptr;
bool m_is_blocking;
std::map<Address, MessageBuffer*> m_block_map;
typedef std::vector<MessageBuffer*> MsgVecType;
typedef std::map< Address, MsgVecType* > WaitingBufType;
WaitingBufType m_waiting_buffers;
unsigned int m_in_ports;
unsigned int m_cur_in_port;
int m_number_of_TBEs;
int m_transitions_per_cycle;
int m_buffer_size;
Cycles m_recycle_latency;
//! Map from physical network number to the Message Buffer.
std::map<uint32_t, MessageBuffer*> peerQueueMap;
//! Counter for the number of cycles when the transitions carried out
//! were equal to the maximum allowed
Stats::Scalar m_fully_busy_cycles;
//! Histogram for profiling delay for the messages this controller
//! cares for
Stats::Histogram m_delayHistogram;
std::vector<Stats::Histogram *> m_delayVCHistogram;
//! Callback class used for collating statistics from all the
//! controller of this type.
class StatsCallback : public Callback
{
private:
AbstractController *ctr;
public:
virtual ~StatsCallback() {}
StatsCallback(AbstractController *_ctr) : ctr(_ctr) {}
void process() {ctr->collateStats();}
};
};
#endif // __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCONTROLLER_HH__
|
