archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-25 13:54:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8136421: JEP 243: Java-Level JVM Compiler Interface

Browse source 
Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett
This commit is contained in:
Christian Thalinger 2015-10-08 12:49:30 -10:00
parent f5b4bb46f5
commit 16526e000e
505 changed files with 50394 additions and 915 deletions
Download patch file Download diff file Expand all files Collapse all files

53
hotspot/src/share/vm/compiler/abstractCompiler.hpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2015, 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
@ -27,6 +27,47 @@
#include "ci/compilerInterface.hpp"
typedef void (*initializer)(void);
#if INCLUDE_JVMCI
// Per-compiler statistics
class CompilerStatistics VALUE_OBJ_CLASS_SPEC {
friend class VMStructs;
class Data VALUE_OBJ_CLASS_SPEC {
friend class VMStructs;
public:
elapsedTimer _time; // time spent compiling
int _bytes; // number of bytecodes compiled, including inlined bytecodes
int _count; // number of compilations
Data() : _bytes(0), _count(0) {}
void update(elapsedTimer time, int bytes) {
_time.add(time);
_bytes += bytes;
_count++;
}
void reset() {
_time.reset();
}
};
public:
Data _standard; // stats for non-OSR compilations
Data _osr; // stats for OSR compilations
int _nmethods_size; //
int _nmethods_code_size;
int bytes_per_second() {
int bytes = _standard._bytes + _osr._bytes;
if (bytes == 0) {
return 0;
}
double seconds = _standard._time.seconds() + _osr._time.seconds();
return seconds == 0.0 ? 0 : (int) (bytes / seconds);
}
CompilerStatistics() : _nmethods_size(0), _nmethods_code_size(0) {}
};
#endif // INCLUDE_JVMCI
class AbstractCompiler : public CHeapObj<mtCompiler> {
private:
volatile int _num_compiler_threads;
@ -45,12 +86,17 @@ class AbstractCompiler : public CHeapObj<mtCompiler> {
none,
c1,
c2,
jvmci,
shark
};
private:
Type _type;
#if INCLUDE_JVMCI
CompilerStatistics _stats;
#endif
public:
AbstractCompiler(Type type) : _type(type), _compiler_state(uninitialized), _num_compiler_threads(0) {}
@ -115,6 +161,7 @@ class AbstractCompiler : public CHeapObj<mtCompiler> {
// Compiler type queries.
bool is_c1() { return _type == c1; }
bool is_c2() { return _type == c2; }
bool is_jvmci() { return _type == jvmci; }
bool is_shark() { return _type == shark; }
// Customization
@ -138,6 +185,10 @@ class AbstractCompiler : public CHeapObj<mtCompiler> {
virtual void print_timers() {
ShouldNotReachHere();
}
#if INCLUDE_JVMCI
CompilerStatistics* stats() { return &_stats; }
#endif
};
#endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP