44 public:
45 virtual void run();
46
47 private:
48 G1ConcurrentMark* _cm;
49
50 enum State {
51 Idle,
52 Started,
53 InProgress
54 };
55
56 volatile State _state;
57
58 void sleepBeforeNextCycle();
59 void delay_to_keep_mmu(G1CollectorPolicy* g1_policy, bool remark);
60
61 void run_service();
62 void stop_service();
63
64 static SurrogateLockerThread* _slt;
65
66 public:
67 // Constructor
68 ConcurrentMarkThread(G1ConcurrentMark* cm);
69
70 static void makeSurrogateLockerThread(TRAPS);
71 static SurrogateLockerThread* slt() { return _slt; }
72
73 // Total virtual time so far for this thread and concurrent marking tasks.
74 double vtime_accum();
75 // Marking virtual time so far this thread and concurrent marking tasks.
76 double vtime_mark_accum();
77
78 G1ConcurrentMark* cm() { return _cm; }
79
80 void set_idle() { assert(_state != Started, "must not be starting a new cycle"); _state = Idle; }
81 bool idle() { return _state == Idle; }
82 void set_started() { assert(_state == Idle, "cycle in progress"); _state = Started; }
83 bool started() { return _state == Started; }
84 void set_in_progress() { assert(_state == Started, "must be starting a cycle"); _state = InProgress; }
85 bool in_progress() { return _state == InProgress; }
86
87 // Returns true from the moment a marking cycle is
88 // initiated (during the initial-mark pause when started() is set)
89 // to the moment when the cycle completes (just after the next
90 // marking bitmap has been cleared and in_progress() is
91 // cleared). While during_cycle() is true we will not start another cycle
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44 public:
45 virtual void run();
46
47 private:
48 G1ConcurrentMark* _cm;
49
50 enum State {
51 Idle,
52 Started,
53 InProgress
54 };
55
56 volatile State _state;
57
58 void sleepBeforeNextCycle();
59 void delay_to_keep_mmu(G1CollectorPolicy* g1_policy, bool remark);
60
61 void run_service();
62 void stop_service();
63
64 public:
65 // Constructor
66 ConcurrentMarkThread(G1ConcurrentMark* cm);
67
68 // Total virtual time so far for this thread and concurrent marking tasks.
69 double vtime_accum();
70 // Marking virtual time so far this thread and concurrent marking tasks.
71 double vtime_mark_accum();
72
73 G1ConcurrentMark* cm() { return _cm; }
74
75 void set_idle() { assert(_state != Started, "must not be starting a new cycle"); _state = Idle; }
76 bool idle() { return _state == Idle; }
77 void set_started() { assert(_state == Idle, "cycle in progress"); _state = Started; }
78 bool started() { return _state == Started; }
79 void set_in_progress() { assert(_state == Started, "must be starting a cycle"); _state = InProgress; }
80 bool in_progress() { return _state == InProgress; }
81
82 // Returns true from the moment a marking cycle is
83 // initiated (during the initial-mark pause when started() is set)
84 // to the moment when the cycle completes (just after the next
85 // marking bitmap has been cleared and in_progress() is
86 // cleared). While during_cycle() is true we will not start another cycle
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