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src/share/vm/oops/methodCounters.hpp
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*** 1,7 ****
/*
! * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
--- 1,7 ----
/*
! * Copyright (c) 2013, 2016 Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*** 32,43 ****
--- 32,45 ----
class MethodCounters: public MetaspaceObj {
friend class VMStructs;
friend class JVMCIVMStructs;
private:
+ #if defined(COMPILER2) || INCLUDE_JVMCI
int _interpreter_invocation_count; // Count of times invoked (reused as prev_event_count in tiered)
u2 _interpreter_throwout_count; // Count of times method was exited via exception while interpreting
+ #endif
u2 _number_of_breakpoints; // fullspeed debugging support
InvocationCounter _invocation_counter; // Incremented before each activation of the method - used to trigger frequency-based optimizations
InvocationCounter _backedge_counter; // Incremented before each backedge taken - used to trigger frequencey-based optimizations
// NMethod age is a counter for warm methods detection in the code cache sweeper.
// The counter is reset by the sweeper and is decremented by some of the compiled
*** 58,78 ****
jlong _prev_time; // Previous time the rate was acquired
u1 _highest_comp_level; // Highest compile level this method has ever seen.
u1 _highest_osr_comp_level; // Same for OSR level
#endif
! MethodCounters(methodHandle mh) : _interpreter_invocation_count(0),
! _interpreter_throwout_count(0),
! _number_of_breakpoints(0),
_nmethod_age(INT_MAX)
#ifdef TIERED
, _rate(0),
_prev_time(0),
_highest_comp_level(0),
_highest_osr_comp_level(0)
#endif
{
invocation_counter()->init();
backedge_counter()->init();
if (StressCodeAging) {
set_nmethod_age(HotMethodDetectionLimit);
--- 60,80 ----
jlong _prev_time; // Previous time the rate was acquired
u1 _highest_comp_level; // Highest compile level this method has ever seen.
u1 _highest_osr_comp_level; // Same for OSR level
#endif
! MethodCounters(methodHandle mh) : _number_of_breakpoints(0),
_nmethod_age(INT_MAX)
#ifdef TIERED
, _rate(0),
_prev_time(0),
_highest_comp_level(0),
_highest_osr_comp_level(0)
#endif
{
+ set_interpreter_invocation_count(0);
+ set_interpreter_throwout_count(0);
invocation_counter()->init();
backedge_counter()->init();
if (StressCodeAging) {
set_nmethod_age(HotMethodDetectionLimit);
*** 107,116 ****
--- 109,120 ----
bool is_klass() const { return false; }
void clear_counters();
+ #if defined(COMPILER2) || INCLUDE_JVMCI
+
int interpreter_invocation_count() {
return _interpreter_invocation_count;
}
void set_interpreter_invocation_count(int count) {
_interpreter_invocation_count = count;
*** 129,138 ****
--- 133,160 ----
}
void set_interpreter_throwout_count(int count) {
_interpreter_throwout_count = count;
}
+ #else // defined(COMPILER2) || INCLUDE_JVMCI
+
+ int interpreter_invocation_count() {
+ return 0;
+ }
+ void set_interpreter_invocation_count(int count) {
+ assert(count == 0, "count must be 0");
+ }
+
+ int interpreter_throwout_count() const {
+ return 0;
+ }
+ void set_interpreter_throwout_count(int count) {
+ assert(count == 0, "count must be 0");
+ }
+
+ #endif // defined(COMPILER2) || INCLUDE_JVMCI
+
u2 number_of_breakpoints() const { return _number_of_breakpoints; }
void incr_number_of_breakpoints() { ++_number_of_breakpoints; }
void decr_number_of_breakpoints() { --_number_of_breakpoints; }
void clear_number_of_breakpoints() { _number_of_breakpoints = 0; }
*** 168,193 ****
static ByteSize nmethod_age_offset() {
return byte_offset_of(MethodCounters, _nmethod_age);
}
static ByteSize interpreter_invocation_counter_offset() {
return byte_offset_of(MethodCounters, _interpreter_invocation_count);
}
static ByteSize invocation_counter_offset() {
return byte_offset_of(MethodCounters, _invocation_counter);
}
static ByteSize backedge_counter_offset() {
return byte_offset_of(MethodCounters, _backedge_counter);
}
- static int interpreter_invocation_counter_offset_in_bytes() {
- return offset_of(MethodCounters, _interpreter_invocation_count);
- }
-
static ByteSize interpreter_invocation_limit_offset() {
return byte_offset_of(MethodCounters, _interpreter_invocation_limit);
}
static ByteSize interpreter_backward_branch_limit_offset() {
--- 190,226 ----
static ByteSize nmethod_age_offset() {
return byte_offset_of(MethodCounters, _nmethod_age);
}
+ #if defined(COMPILER2) || INCLUDE_JVMCI
+
static ByteSize interpreter_invocation_counter_offset() {
return byte_offset_of(MethodCounters, _interpreter_invocation_count);
}
+ static int interpreter_invocation_counter_offset_in_bytes() {
+ return offset_of(MethodCounters, _interpreter_invocation_count);
+ }
+
+ #else // defined(COMPILER2) || INCLUDE_JVMCI
+
+ static ByteSize interpreter_invocation_counter_offset() {
+ ShouldNotReachHere();
+ return in_ByteSize(0);
+ }
+
+ #endif // defined(COMPILER2) || INCLUDE_JVMCI
+
static ByteSize invocation_counter_offset() {
return byte_offset_of(MethodCounters, _invocation_counter);
}
static ByteSize backedge_counter_offset() {
return byte_offset_of(MethodCounters, _backedge_counter);
}
static ByteSize interpreter_invocation_limit_offset() {
return byte_offset_of(MethodCounters, _interpreter_invocation_limit);
}
static ByteSize interpreter_backward_branch_limit_offset() {
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