23 */
24
25 #include "cds/cdsConfig.hpp"
26 #include "compiler/compiler_globals.hpp"
27 #include "compiler/compilerOracle.hpp"
28 #include "memory/metaspaceClosure.hpp"
29 #include "memory/resourceArea.hpp"
30 #include "oops/method.hpp"
31 #include "oops/methodCounters.hpp"
32 #include "oops/trainingData.hpp"
33 #include "runtime/handles.inline.hpp"
34
35 MethodCounters::MethodCounters(const methodHandle& mh) :
36 _method(mh()),
37 _method_training_data(method_training_data_sentinel()),
38 _prev_time(0),
39 _rate(0),
40 _highest_comp_level(0),
41 _highest_osr_comp_level(0)
42 {
43 set_interpreter_throwout_count(0);
44 JVMTI_ONLY(clear_number_of_breakpoints());
45 invocation_counter()->init();
46 backedge_counter()->init();
47
48 // Set per-method thresholds.
49 double scale = 1.0;
50 CompilerOracle::has_option_value(mh, CompileCommandEnum::CompileThresholdScaling, scale);
51
52 _invoke_mask = right_n_bits(CompilerConfig::scaled_freq_log(Tier0InvokeNotifyFreqLog, scale)) << InvocationCounter::count_shift;
53 _backedge_mask = right_n_bits(CompilerConfig::scaled_freq_log(Tier0BackedgeNotifyFreqLog, scale)) << InvocationCounter::count_shift;
54 }
55
56 #if INCLUDE_CDS
57 MethodCounters::MethodCounters() {
58 // Used by cppVtables.cpp only
59 assert(CDSConfig::is_dumping_static_archive() || UseSharedSpaces, "only for CDS");
60 }
61 #endif
62
63 MethodCounters* MethodCounters::allocate_no_exception(const methodHandle& mh) {
64 ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
65 return new(loader_data, method_counters_size(), MetaspaceObj::MethodCountersType) MethodCounters(mh);
66 }
67
68 MethodCounters* MethodCounters::allocate_with_exception(const methodHandle& mh, TRAPS) {
69 ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
70 return new(loader_data, method_counters_size(), MetaspaceObj::MethodCountersType, THREAD) MethodCounters(mh);
71 }
72
73 void MethodCounters::clear_counters() {
74 invocation_counter()->reset();
75 backedge_counter()->reset();
76 set_interpreter_throwout_count(0);
77 set_prev_time(0);
78 set_prev_event_count(0);
79 set_rate(0);
80 set_highest_comp_level(0);
81 set_highest_osr_comp_level(0);
82 }
83
84 void MethodCounters::metaspace_pointers_do(MetaspaceClosure* it) {
85 log_trace(aot, training)("Iter(MethodCounters): %p", this);
86 it->push(&_method);
87 it->push(&_method_training_data);
88 }
89
90 #if INCLUDE_CDS
91 void MethodCounters::remove_unshareable_info() {
92 }
93 void MethodCounters::restore_unshareable_info(TRAPS) {
94 _method_training_data = method_training_data_sentinel();
95 }
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23 */
24
25 #include "cds/cdsConfig.hpp"
26 #include "compiler/compiler_globals.hpp"
27 #include "compiler/compilerOracle.hpp"
28 #include "memory/metaspaceClosure.hpp"
29 #include "memory/resourceArea.hpp"
30 #include "oops/method.hpp"
31 #include "oops/methodCounters.hpp"
32 #include "oops/trainingData.hpp"
33 #include "runtime/handles.inline.hpp"
34
35 MethodCounters::MethodCounters(const methodHandle& mh) :
36 _method(mh()),
37 _method_training_data(method_training_data_sentinel()),
38 _prev_time(0),
39 _rate(0),
40 _highest_comp_level(0),
41 _highest_osr_comp_level(0)
42 {
43 _jit_code_invocation_count = 0;
44 _aot_code_invocation_count = 0;
45 _aot_code_recompile_requested = 0;
46 set_interpreter_throwout_count(0);
47 JVMTI_ONLY(clear_number_of_breakpoints());
48 invocation_counter()->init();
49 backedge_counter()->init();
50
51 // Set per-method thresholds.
52 double scale = 1.0;
53 CompilerOracle::has_option_value(mh, CompileCommandEnum::CompileThresholdScaling, scale);
54
55 _invoke_mask = right_n_bits(CompilerConfig::scaled_freq_log(Tier0InvokeNotifyFreqLog, scale)) << InvocationCounter::count_shift;
56 _backedge_mask = right_n_bits(CompilerConfig::scaled_freq_log(Tier0BackedgeNotifyFreqLog, scale)) << InvocationCounter::count_shift;
57 }
58
59 #if INCLUDE_CDS
60 MethodCounters::MethodCounters() {
61 // Used by cppVtables.cpp only
62 assert(CDSConfig::is_dumping_static_archive() || UseSharedSpaces, "only for CDS");
63 }
64 #endif
65
66 MethodCounters* MethodCounters::allocate_no_exception(const methodHandle& mh) {
67 ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
68 return new(loader_data, method_counters_size(), MetaspaceObj::MethodCountersType) MethodCounters(mh);
69 }
70
71 MethodCounters* MethodCounters::allocate_with_exception(const methodHandle& mh, TRAPS) {
72 ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
73 return new(loader_data, method_counters_size(), MetaspaceObj::MethodCountersType, THREAD) MethodCounters(mh);
74 }
75
76 void MethodCounters::clear_counters() {
77 invocation_counter()->reset();
78 backedge_counter()->reset();
79 _jit_code_invocation_count = 0;
80 _aot_code_invocation_count = 0;
81 _aot_code_recompile_requested = 0;
82 set_interpreter_throwout_count(0);
83 set_prev_time(0);
84 set_prev_event_count(0);
85 set_rate(0);
86 set_highest_comp_level(0);
87 set_highest_osr_comp_level(0);
88 }
89
90 void MethodCounters::metaspace_pointers_do(MetaspaceClosure* it) {
91 log_trace(aot, training)("Iter(MethodCounters): %p", this);
92 it->push(&_method);
93 it->push(&_method_training_data);
94 }
95
96 #if INCLUDE_CDS
97 void MethodCounters::remove_unshareable_info() {
98 }
99 void MethodCounters::restore_unshareable_info(TRAPS) {
100 _method_training_data = method_training_data_sentinel();
101 }
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