simpoint.hh (10381:ab8b8601b6ff) simpoint.hh (11168:f98eb2da15a4)
1/*
2 * Copyright (c) 2012-2014 ARM Limited
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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36 *
37 * Authors: Dam Sunwoo
38 * Curtis Dunham
39 */
40
41#ifndef __CPU_SIMPLE_PROBES_SIMPOINT_HH__
42#define __CPU_SIMPLE_PROBES_SIMPOINT_HH__
43
1/*
2 * Copyright (c) 2012-2014 ARM Limited
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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36 *
37 * Authors: Dam Sunwoo
38 * Curtis Dunham
39 */
40
41#ifndef __CPU_SIMPLE_PROBES_SIMPOINT_HH__
42#define __CPU_SIMPLE_PROBES_SIMPOINT_HH__
43
44#include "base/hashmap.hh"
44#include <unordered_map>
45
45#include "cpu/simple_thread.hh"
46#include "params/SimPoint.hh"
47#include "sim/probe/probe.hh"
48
49/**
50 * Probe for SimPoints BBV generation
51 */
52
53/**
54 * Start and end address of basic block for SimPoint profiling.
55 * This structure is used to look up the hash table of BBVs.
56 * - first: PC of first inst in basic block
57 * - second: PC of last inst in basic block
58 */
59typedef std::pair<Addr, Addr> BasicBlockRange;
60
61/** Overload hash function for BasicBlockRange type */
46#include "cpu/simple_thread.hh"
47#include "params/SimPoint.hh"
48#include "sim/probe/probe.hh"
49
50/**
51 * Probe for SimPoints BBV generation
52 */
53
54/**
55 * Start and end address of basic block for SimPoint profiling.
56 * This structure is used to look up the hash table of BBVs.
57 * - first: PC of first inst in basic block
58 * - second: PC of last inst in basic block
59 */
60typedef std::pair<Addr, Addr> BasicBlockRange;
61
62/** Overload hash function for BasicBlockRange type */
62__hash_namespace_begin
63namespace std {
63template <>
64struct hash<BasicBlockRange>
65{
66 public:
67 size_t operator()(const BasicBlockRange &bb) const {
68 return hash<Addr>()(bb.first + bb.second);
69 }
70};
64template <>
65struct hash<BasicBlockRange>
66{
67 public:
68 size_t operator()(const BasicBlockRange &bb) const {
69 return hash<Addr>()(bb.first + bb.second);
70 }
71};
71__hash_namespace_end
72}
72
73class SimPoint : public ProbeListenerObject
74{
75 public:
76 SimPoint(const SimPointParams *params);
77 virtual ~SimPoint();
78
79 virtual void init();

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104 uint64_t id;
105 /** Num of static insts in BB */
106 uint64_t insts;
107 /** Accumulated dynamic inst count executed by BB */
108 uint64_t count;
109 };
110
111 /** Hash table containing all previously seen basic blocks */
73
74class SimPoint : public ProbeListenerObject
75{
76 public:
77 SimPoint(const SimPointParams *params);
78 virtual ~SimPoint();
79
80 virtual void init();

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105 uint64_t id;
106 /** Num of static insts in BB */
107 uint64_t insts;
108 /** Accumulated dynamic inst count executed by BB */
109 uint64_t count;
110 };
111
112 /** Hash table containing all previously seen basic blocks */
112 m5::hash_map<BasicBlockRange, BBInfo> bbMap;
113 std::unordered_map<BasicBlockRange, BBInfo> bbMap;
113 /** Currently executing basic block */
114 BasicBlockRange currentBBV;
115 /** inst count in current basic block */
116 uint64_t currentBBVInstCount;
117};
118
119#endif // __CPU_SIMPLE_PROBES_SIMPOINT_HH__
114 /** Currently executing basic block */
115 BasicBlockRange currentBBV;
116 /** inst count in current basic block */
117 uint64_t currentBBVInstCount;
118};
119
120#endif // __CPU_SIMPLE_PROBES_SIMPOINT_HH__