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comparison src/share/vm/oops/methodCounters.hpp @ 20457:631667807de7

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8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters Summary: Tiered policy requires highest compilation levels always available Reviewed-by: kvn, vlivanov
author iveresov
date Thu, 11 Sep 2014 12:18:26 -0700
parents aeaca88565e6
children 7848fc12602b
comparison
equal deleted inserted replaced
20455:07f629123254 20457:631667807de7
37 InvocationCounter _invocation_counter; // Incremented before each activation of the method - used to trigger frequency-based optimizations 37 InvocationCounter _invocation_counter; // Incremented before each activation of the method - used to trigger frequency-based optimizations
38 InvocationCounter _backedge_counter; // Incremented before each backedge taken - used to trigger frequencey-based optimizations 38 InvocationCounter _backedge_counter; // Incremented before each backedge taken - used to trigger frequencey-based optimizations
39 39
40 #ifdef TIERED 40 #ifdef TIERED
41 float _rate; // Events (invocation and backedge counter increments) per millisecond 41 float _rate; // Events (invocation and backedge counter increments) per millisecond
42 u1 _highest_comp_level; // Highest compile level this method has ever seen.
43 u1 _highest_osr_comp_level; // Same for OSR level
42 jlong _prev_time; // Previous time the rate was acquired 44 jlong _prev_time; // Previous time the rate was acquired
43 #endif 45 #endif
44 46
45 MethodCounters() : _interpreter_invocation_count(0), 47 MethodCounters() : _interpreter_invocation_count(0),
46 _interpreter_throwout_count(0), 48 _interpreter_throwout_count(0),
47 _number_of_breakpoints(0) 49 _number_of_breakpoints(0)
48 #ifdef TIERED 50 #ifdef TIERED
49 , _rate(0), 51 , _rate(0),
52 _highest_comp_level(0),
53 _highest_osr_comp_level(0),
50 _prev_time(0) 54 _prev_time(0)
51 #endif 55 #endif
52 { 56 {
53 invocation_counter()->init(); 57 invocation_counter()->init();
54 backedge_counter()->init(); 58 backedge_counter()->init();
98 void set_prev_time(jlong time) { _prev_time = time; } 102 void set_prev_time(jlong time) { _prev_time = time; }
99 float rate() const { return _rate; } 103 float rate() const { return _rate; }
100 void set_rate(float rate) { _rate = rate; } 104 void set_rate(float rate) { _rate = rate; }
101 #endif 105 #endif
102 106
107 int highest_comp_level() const;
108 void set_highest_comp_level(int level);
109 int highest_osr_comp_level() const;
110 void set_highest_osr_comp_level(int level);
111
103 // invocation counter 112 // invocation counter
104 InvocationCounter* invocation_counter() { return &_invocation_counter; } 113 InvocationCounter* invocation_counter() { return &_invocation_counter; }
105 InvocationCounter* backedge_counter() { return &_backedge_counter; } 114 InvocationCounter* backedge_counter() { return &_backedge_counter; }
106 115
107 static ByteSize interpreter_invocation_counter_offset() { 116 static ByteSize interpreter_invocation_counter_offset() {