Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/compilationPolicy.hpp @ 9088:89e4d67fdd2a
Merge
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Fri, 12 Apr 2013 14:05:42 +0200 |
| parents | b8f261ba79c6 b84fd7d73702 |
| children | cefad50507d8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_RUNTIME_COMPILATIONPOLICY_HPP |
| 26 #define SHARE_VM_RUNTIME_COMPILATIONPOLICY_HPP | |
| 27 | |
| 28 #include "code/nmethod.hpp" | |
| 29 #include "compiler/compileBroker.hpp" | |
| 30 #include "memory/allocation.hpp" | |
| 31 #include "runtime/vm_operations.hpp" | |
| 32 #include "utilities/growableArray.hpp" | |
| 33 | |
| 0 | 34 // The CompilationPolicy selects which method (if any) should be compiled. |
| 35 // It also decides which methods must always be compiled (i.e., are never | |
| 36 // interpreted). | |
| 1783 | 37 class CompileTask; |
| 38 class CompileQueue; | |
| 0 | 39 |
| 6197 | 40 class CompilationPolicy : public CHeapObj<mtCompiler> { |
| 0 | 41 static CompilationPolicy* _policy; |
| 42 // Accumulated time | |
| 43 static elapsedTimer _accumulated_time; | |
| 44 | |
| 45 static bool _in_vm_startup; | |
| 1783 | 46 public: |
| 0 | 47 static void set_in_vm_startup(bool in_vm_startup) { _in_vm_startup = in_vm_startup; } |
| 48 static void completed_vm_startup(); | |
| 1783 | 49 static bool delay_compilation_during_startup() { return _in_vm_startup; } |
| 0 | 50 |
| 1783 | 51 // m must be compiled before executing it |
| 52 static bool must_be_compiled(methodHandle m, int comp_level = CompLevel_all); | |
| 53 // m is allowed to be compiled | |
| 54 static bool can_be_compiled(methodHandle m, int comp_level = CompLevel_all); | |
| 55 static bool is_compilation_enabled(); | |
| 0 | 56 static void set_policy(CompilationPolicy* policy) { _policy = policy; } |
| 1783 | 57 static CompilationPolicy* policy() { return _policy; } |
| 0 | 58 |
| 59 // Profiling | |
| 60 elapsedTimer* accumulated_time() { return &_accumulated_time; } | |
| 61 void print_time() PRODUCT_RETURN; | |
|
3837
43f9d800f276
7066339: Tiered: policy should make consistent decisions about osr levels
iveresov
parents:
3791
diff
changeset
|
62 // Return initial compile level that is used with Xcomp |
|
43f9d800f276
7066339: Tiered: policy should make consistent decisions about osr levels
iveresov
parents:
3791
diff
changeset
|
63 virtual CompLevel initial_compile_level() = 0; |
| 1783 | 64 virtual int compiler_count(CompLevel comp_level) = 0; |
| 65 // main notification entry, return a pointer to an nmethod if the OSR is required, | |
| 66 // returns NULL otherwise. | |
|
4825
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
3837
diff
changeset
|
67 virtual nmethod* event(methodHandle method, methodHandle inlinee, int branch_bci, int bci, CompLevel comp_level, nmethod* nm, JavaThread* thread) = 0; |
| 1783 | 68 // safepoint() is called at the end of the safepoint |
| 69 virtual void do_safepoint_work() = 0; | |
| 70 // reprofile request | |
| 71 virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) = 0; | |
| 72 // delay_compilation(method) can be called by any component of the runtime to notify the policy | |
| 73 // that it's recommended to delay the complation of this method. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
74 virtual void delay_compilation(Method* method) = 0; |
| 1783 | 75 // disable_compilation() is called whenever the runtime decides to disable compilation of the |
| 76 // specified method. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
77 virtual void disable_compilation(Method* method) = 0; |
| 1783 | 78 // Select task is called by CompileBroker. The queue is guaranteed to have at least one |
| 79 // element and is locked. The function should select one and return it. | |
| 80 virtual CompileTask* select_task(CompileQueue* compile_queue) = 0; | |
| 81 // Tell the runtime if we think a given method is adequately profiled. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
82 virtual bool is_mature(Method* method) = 0; |
| 1783 | 83 // Do policy initialization |
| 84 virtual void initialize() = 0; | |
|
3791
2c359f27615c
7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents:
1972
diff
changeset
|
85 virtual bool should_not_inline(ciEnv* env, ciMethod* method) { return false; } |
| 0 | 86 }; |
| 87 | |
| 1783 | 88 // A base class for baseline policies. |
| 89 class NonTieredCompPolicy : public CompilationPolicy { | |
| 90 int _compiler_count; | |
| 91 protected: | |
| 92 static void trace_frequency_counter_overflow(methodHandle m, int branch_bci, int bci); | |
| 93 static void trace_osr_request(methodHandle method, nmethod* osr, int bci); | |
| 94 static void trace_osr_completion(nmethod* osr_nm); | |
| 95 void reset_counter_for_invocation_event(methodHandle method); | |
| 96 void reset_counter_for_back_branch_event(methodHandle method); | |
| 97 public: | |
| 98 NonTieredCompPolicy() : _compiler_count(0) { } | |
|
9080
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
6725
diff
changeset
|
99 virtual CompLevel initial_compile_level() { return CompLevel_highest_tier; } |
| 1783 | 100 virtual int compiler_count(CompLevel comp_level); |
| 101 virtual void do_safepoint_work(); | |
| 102 virtual void reprofile(ScopeDesc* trap_scope, bool is_osr); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
103 virtual void delay_compilation(Method* method); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
104 virtual void disable_compilation(Method* method); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
105 virtual bool is_mature(Method* method); |
| 1783 | 106 virtual void initialize(); |
| 107 virtual CompileTask* select_task(CompileQueue* compile_queue); | |
|
4825
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
3837
diff
changeset
|
108 virtual nmethod* event(methodHandle method, methodHandle inlinee, int branch_bci, int bci, CompLevel comp_level, nmethod* nm, JavaThread* thread); |
|
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
3837
diff
changeset
|
109 virtual void method_invocation_event(methodHandle m, JavaThread* thread) = 0; |
|
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
3837
diff
changeset
|
110 virtual void method_back_branch_event(methodHandle m, int bci, JavaThread* thread) = 0; |
| 1783 | 111 }; |
| 112 | |
| 113 class SimpleCompPolicy : public NonTieredCompPolicy { | |
| 0 | 114 public: |
|
4825
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
3837
diff
changeset
|
115 virtual void method_invocation_event(methodHandle m, JavaThread* thread); |
|
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
3837
diff
changeset
|
116 virtual void method_back_branch_event(methodHandle m, int bci, JavaThread* thread); |
| 0 | 117 }; |
| 118 | |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
119 #ifdef GRAALVM |
|
5176
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5126
diff
changeset
|
120 class GraalCompPolicy : public NonTieredCompPolicy { |
|
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5126
diff
changeset
|
121 public: |
|
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5126
diff
changeset
|
122 virtual void method_invocation_event(methodHandle m, JavaThread* thread); |
|
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5126
diff
changeset
|
123 virtual void method_back_branch_event(methodHandle m, int bci, JavaThread* thread); |
|
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5126
diff
changeset
|
124 }; |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
125 #endif // GRAALVM |
|
5176
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5126
diff
changeset
|
126 |
| 0 | 127 // StackWalkCompPolicy - existing C2 policy |
| 128 | |
| 129 #ifdef COMPILER2 | |
| 1783 | 130 class StackWalkCompPolicy : public NonTieredCompPolicy { |
| 0 | 131 public: |
|
4825
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
3837
diff
changeset
|
132 virtual void method_invocation_event(methodHandle m, JavaThread* thread); |
|
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
3837
diff
changeset
|
133 virtual void method_back_branch_event(methodHandle m, int bci, JavaThread* thread); |
| 0 | 134 |
| 135 private: | |
| 136 RFrame* findTopInlinableFrame(GrowableArray<RFrame*>* stack); | |
| 137 RFrame* senderOf(RFrame* rf, GrowableArray<RFrame*>* stack); | |
| 138 | |
| 139 // the following variables hold values computed by the last inlining decision | |
| 140 // they are used for performance debugging only (print better messages) | |
| 141 static const char* _msg; // reason for not inlining | |
| 142 | |
| 143 static const char* shouldInline (methodHandle callee, float frequency, int cnt); | |
| 144 // positive filter: should send be inlined? returns NULL (--> yes) or rejection msg | |
| 145 static const char* shouldNotInline(methodHandle callee); | |
| 146 // negative filter: should send NOT be inlined? returns NULL (--> inline) or rejection msg | |
| 147 | |
| 148 }; | |
| 149 #endif | |
| 1972 | 150 |
| 151 #endif // SHARE_VM_RUNTIME_COMPILATIONPOLICY_HPP |