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src/share/vm/compiler/compileBroker.hpp@a61af66fc99e (annotated)

src/share/vm/compiler/compileBroker.hpp

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 435
a61af66fc99e
child 1637
5f24d0319e54
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duke@435 1 /*
duke@435 2 * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 class nmethod;
duke@435 26 class nmethodLocker;
duke@435 27
duke@435 28 // CompileTask
duke@435 29 //
duke@435 30 // An entry in the compile queue. It represents a pending or current
duke@435 31 // compilation.
duke@435 32 class CompileTask : public CHeapObj {
duke@435 33 private:
duke@435 34 Monitor* _lock;
duke@435 35 uint _compile_id;
duke@435 36 jobject _method;
duke@435 37 int _osr_bci;
duke@435 38 bool _is_complete;
duke@435 39 bool _is_success;
duke@435 40 bool _is_blocking;
duke@435 41 int _comp_level;
duke@435 42 int _num_inlined_bytecodes;
duke@435 43 nmethodLocker* _code_handle; // holder of eventual result
duke@435 44 CompileTask* _next;
duke@435 45
duke@435 46 // Fields used for logging why the compilation was initiated:
duke@435 47 jlong _time_queued; // in units of os::elapsed_counter()
duke@435 48 jobject _hot_method; // which method actually triggered this task
duke@435 49 int _hot_count; // information about its invocation counter
duke@435 50 const char* _comment; // more info about the task
duke@435 51
duke@435 52 public:
duke@435 53 CompileTask() {
duke@435 54 _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock");
duke@435 55 }
duke@435 56
duke@435 57 void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level,
duke@435 58 methodHandle hot_method, int hot_count, const char* comment,
duke@435 59 bool is_blocking);
duke@435 60
duke@435 61 void free();
duke@435 62
duke@435 63 int compile_id() const { return _compile_id; }
duke@435 64 jobject method_handle() const { return _method; }
duke@435 65 int osr_bci() const { return _osr_bci; }
duke@435 66 bool is_complete() const { return _is_complete; }
duke@435 67 bool is_blocking() const { return _is_blocking; }
duke@435 68 bool is_success() const { return _is_success; }
duke@435 69
duke@435 70 nmethodLocker* code_handle() const { return _code_handle; }
duke@435 71 void set_code_handle(nmethodLocker* l) { _code_handle = l; }
duke@435 72 nmethod* code() const; // _code_handle->code()
duke@435 73 void set_code(nmethod* nm); // _code_handle->set_code(nm)
duke@435 74
duke@435 75 Monitor* lock() const { return _lock; }
duke@435 76
duke@435 77 void mark_complete() { _is_complete = true; }
duke@435 78 void mark_success() { _is_success = true; }
duke@435 79
duke@435 80 int comp_level() { return _comp_level;}
duke@435 81 void set_comp_level(int comp_level) { _comp_level = comp_level;}
duke@435 82
duke@435 83 int num_inlined_bytecodes() const { return _num_inlined_bytecodes; }
duke@435 84 void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; }
duke@435 85
duke@435 86 CompileTask* next() const { return _next; }
duke@435 87 void set_next(CompileTask* next) { _next = next; }
duke@435 88
duke@435 89 void print();
duke@435 90 void print_line();
duke@435 91 void print_line_on_error(outputStream* st, char* buf, int buflen);
duke@435 92 void log_task(xmlStream* log);
duke@435 93 void log_task_queued();
duke@435 94 void log_task_start(CompileLog* log);
duke@435 95 void log_task_done(CompileLog* log);
duke@435 96
duke@435 97 };
duke@435 98
duke@435 99 // CompilerCounters
duke@435 100 //
duke@435 101 // Per Compiler Performance Counters.
duke@435 102 //
duke@435 103 class CompilerCounters : public CHeapObj {
duke@435 104
duke@435 105 public:
duke@435 106 enum {
duke@435 107 cmname_buffer_length = 160
duke@435 108 };
duke@435 109
duke@435 110 private:
duke@435 111
duke@435 112 char _current_method[cmname_buffer_length];
duke@435 113 PerfStringVariable* _perf_current_method;
duke@435 114
duke@435 115 int _compile_type;
duke@435 116 PerfVariable* _perf_compile_type;
duke@435 117
duke@435 118 PerfCounter* _perf_time;
duke@435 119 PerfCounter* _perf_compiles;
duke@435 120
duke@435 121 public:
duke@435 122 CompilerCounters(const char* name, int instance, TRAPS);
duke@435 123
duke@435 124 // these methods should be called in a thread safe context
duke@435 125
duke@435 126 void set_current_method(const char* method) {
duke@435 127 strncpy(_current_method, method, (size_t)cmname_buffer_length);
duke@435 128 if (UsePerfData) _perf_current_method->set_value(method);
duke@435 129 }
duke@435 130
duke@435 131 char* current_method() { return _current_method; }
duke@435 132
duke@435 133 void set_compile_type(int compile_type) {
duke@435 134 _compile_type = compile_type;
duke@435 135 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type);
duke@435 136 }
duke@435 137
duke@435 138 int compile_type() { return _compile_type; }
duke@435 139
duke@435 140 PerfCounter* time_counter() { return _perf_time; }
duke@435 141 PerfCounter* compile_counter() { return _perf_compiles; }
duke@435 142 };
duke@435 143
duke@435 144
duke@435 145 // CompileQueue
duke@435 146 //
duke@435 147 // A list of CompileTasks.
duke@435 148 class CompileQueue : public CHeapObj {
duke@435 149 private:
duke@435 150 const char* _name;
duke@435 151 Monitor* _lock;
duke@435 152
duke@435 153 CompileTask* _first;
duke@435 154 CompileTask* _last;
duke@435 155
duke@435 156 public:
duke@435 157 CompileQueue(const char* name, Monitor* lock) {
duke@435 158 _name = name;
duke@435 159 _lock = lock;
duke@435 160 _first = NULL;
duke@435 161 _last = NULL;
duke@435 162 }
duke@435 163
duke@435 164 const char* name() const { return _name; }
duke@435 165 Monitor* lock() const { return _lock; }
duke@435 166
duke@435 167 void add(CompileTask* task);
duke@435 168
duke@435 169 CompileTask* get();
duke@435 170
duke@435 171 bool is_empty() const { return _first == NULL; }
duke@435 172
duke@435 173 void print();
duke@435 174 };
duke@435 175
duke@435 176
duke@435 177 // Compilation
duke@435 178 //
duke@435 179 // The broker for all compilation requests.
duke@435 180 class CompileBroker: AllStatic {
duke@435 181 friend class Threads;
duke@435 182 friend class CompileTaskWrapper;
duke@435 183
duke@435 184 public:
duke@435 185 enum {
duke@435 186 name_buffer_length = 100
duke@435 187 };
duke@435 188
duke@435 189 // Compile type Information for print_last_compile() and CompilerCounters
duke@435 190 enum { no_compile, normal_compile, osr_compile, native_compile };
duke@435 191
duke@435 192 private:
duke@435 193 static bool _initialized;
duke@435 194 static volatile bool _should_block;
duke@435 195
duke@435 196 // The installed compiler(s)
duke@435 197 static AbstractCompiler* _compilers[2];
duke@435 198
duke@435 199 // These counters are used for assigning id's to each compilation
duke@435 200 static uint _compilation_id;
duke@435 201 static uint _osr_compilation_id;
duke@435 202 static uint _native_compilation_id;
duke@435 203
duke@435 204 static int _last_compile_type;
duke@435 205 static int _last_compile_level;
duke@435 206 static char _last_method_compiled[name_buffer_length];
duke@435 207
duke@435 208 static CompileQueue* _method_queue;
duke@435 209 static CompileTask* _task_free_list;
duke@435 210
duke@435 211 static GrowableArray<CompilerThread*>* _method_threads;
duke@435 212
duke@435 213 // performance counters
duke@435 214 static PerfCounter* _perf_total_compilation;
duke@435 215 static PerfCounter* _perf_native_compilation;
duke@435 216 static PerfCounter* _perf_osr_compilation;
duke@435 217 static PerfCounter* _perf_standard_compilation;
duke@435 218
duke@435 219 static PerfCounter* _perf_total_bailout_count;
duke@435 220 static PerfCounter* _perf_total_invalidated_count;
duke@435 221 static PerfCounter* _perf_total_compile_count;
duke@435 222 static PerfCounter* _perf_total_native_compile_count;
duke@435 223 static PerfCounter* _perf_total_osr_compile_count;
duke@435 224 static PerfCounter* _perf_total_standard_compile_count;
duke@435 225
duke@435 226 static PerfCounter* _perf_sum_osr_bytes_compiled;
duke@435 227 static PerfCounter* _perf_sum_standard_bytes_compiled;
duke@435 228 static PerfCounter* _perf_sum_nmethod_size;
duke@435 229 static PerfCounter* _perf_sum_nmethod_code_size;
duke@435 230
duke@435 231 static PerfStringVariable* _perf_last_method;
duke@435 232 static PerfStringVariable* _perf_last_failed_method;
duke@435 233 static PerfStringVariable* _perf_last_invalidated_method;
duke@435 234 static PerfVariable* _perf_last_compile_type;
duke@435 235 static PerfVariable* _perf_last_compile_size;
duke@435 236 static PerfVariable* _perf_last_failed_type;
duke@435 237 static PerfVariable* _perf_last_invalidated_type;
duke@435 238
duke@435 239 // Timers and counters for generating statistics
duke@435 240 static elapsedTimer _t_total_compilation;
duke@435 241 static elapsedTimer _t_osr_compilation;
duke@435 242 static elapsedTimer _t_standard_compilation;
duke@435 243
duke@435 244 static int _total_bailout_count;
duke@435 245 static int _total_invalidated_count;
duke@435 246 static int _total_compile_count;
duke@435 247 static int _total_native_compile_count;
duke@435 248 static int _total_osr_compile_count;
duke@435 249 static int _total_standard_compile_count;
duke@435 250
duke@435 251 static int _sum_osr_bytes_compiled;
duke@435 252 static int _sum_standard_bytes_compiled;
duke@435 253 static int _sum_nmethod_size;
duke@435 254 static int _sum_nmethod_code_size;
duke@435 255
duke@435 256 static int compiler_count() {
duke@435 257 return CICompilerCountPerCPU
duke@435 258 // Example: if CICompilerCountPerCPU is true, then we get
duke@435 259 // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine.
duke@435 260 // May help big-app startup time.
duke@435 261 ? (MAX2(log2_intptr(os::active_processor_count())-1,1))
duke@435 262 : CICompilerCount;
duke@435 263 }
duke@435 264
duke@435 265 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, TRAPS);
duke@435 266 static void init_compiler_threads(int compiler_count);
duke@435 267 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level);
duke@435 268 static bool compilation_is_in_queue (methodHandle method, int osr_bci);
duke@435 269 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level);
duke@435 270 static uint assign_compile_id (methodHandle method, int osr_bci);
duke@435 271 static bool is_compile_blocking (methodHandle method, int osr_bci);
duke@435 272 static void preload_classes (methodHandle method, TRAPS);
duke@435 273
duke@435 274 static CompileTask* create_compile_task(CompileQueue* queue,
duke@435 275 int compile_id,
duke@435 276 methodHandle method,
duke@435 277 int osr_bci,
duke@435 278 int comp_level,
duke@435 279 methodHandle hot_method,
duke@435 280 int hot_count,
duke@435 281 const char* comment,
duke@435 282 bool blocking);
duke@435 283 static CompileTask* allocate_task();
duke@435 284 static void free_task(CompileTask* task);
duke@435 285 static void wait_for_completion(CompileTask* task);
duke@435 286
duke@435 287 static void invoke_compiler_on_method(CompileTask* task);
duke@435 288 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level);
duke@435 289 static void push_jni_handle_block();
duke@435 290 static void pop_jni_handle_block();
duke@435 291 static bool check_break_at(methodHandle method, int compile_id, bool is_osr);
duke@435 292 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task);
duke@435 293
duke@435 294 static void compile_method_base(methodHandle method,
duke@435 295 int osr_bci,
duke@435 296 int comp_level,
duke@435 297 methodHandle hot_method,
duke@435 298 int hot_count,
duke@435 299 const char* comment,
duke@435 300 TRAPS);
duke@435 301
duke@435 302 public:
duke@435 303 enum {
duke@435 304 // The entry bci used for non-OSR compilations.
duke@435 305 standard_entry_bci = InvocationEntryBci
duke@435 306 };
duke@435 307
duke@435 308 static AbstractCompiler* compiler(int level ) {
duke@435 309 if (level == CompLevel_fast_compile) return _compilers[0];
duke@435 310 assert(level == CompLevel_highest_tier, "what level?")
duke@435 311 return _compilers[1];
duke@435 312 }
duke@435 313
duke@435 314 static void compilation_init();
duke@435 315 static void init_compiler_thread_log();
duke@435 316 static nmethod* compile_method(methodHandle method, int osr_bci,
duke@435 317 methodHandle hot_method, int hot_count,
duke@435 318 const char* comment, TRAPS);
duke@435 319
duke@435 320 static void compiler_thread_loop();
duke@435 321
duke@435 322 static bool is_idle();
duke@435 323
duke@435 324 // Set _should_block.
duke@435 325 // Call this from the VM, with Threads_lock held and a safepoint requested.
duke@435 326 static void set_should_block();
duke@435 327
duke@435 328 // Call this from the compiler at convenient points, to poll for _should_block.
duke@435 329 static void maybe_block();
duke@435 330
duke@435 331 // Return total compilation ticks
duke@435 332 static jlong total_compilation_ticks() {
duke@435 333 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0;
duke@435 334 }
duke@435 335
duke@435 336 // Print a detailed accounting of compilation time
duke@435 337 static void print_times();
duke@435 338
duke@435 339 // Debugging output for failure
duke@435 340 static void print_last_compile();
duke@435 341
duke@435 342 static void print_compiler_threads_on(outputStream* st);
duke@435 343 };

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