Mercurial > hg > graal-compiler
diff src/share/vm/compiler/compileBroker.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | 5f24d0319e54 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/compiler/compileBroker.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,343 @@ +/* + * Copyright 1999-2006 Sun Microsystems, Inc. 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. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +class nmethod; +class nmethodLocker; + +// CompileTask +// +// An entry in the compile queue. It represents a pending or current +// compilation. +class CompileTask : public CHeapObj { + private: + Monitor* _lock; + uint _compile_id; + jobject _method; + int _osr_bci; + bool _is_complete; + bool _is_success; + bool _is_blocking; + int _comp_level; + int _num_inlined_bytecodes; + nmethodLocker* _code_handle; // holder of eventual result + CompileTask* _next; + + // Fields used for logging why the compilation was initiated: + jlong _time_queued; // in units of os::elapsed_counter() + jobject _hot_method; // which method actually triggered this task + int _hot_count; // information about its invocation counter + const char* _comment; // more info about the task + + public: + CompileTask() { + _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); + } + + void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level, + methodHandle hot_method, int hot_count, const char* comment, + bool is_blocking); + + void free(); + + int compile_id() const { return _compile_id; } + jobject method_handle() const { return _method; } + int osr_bci() const { return _osr_bci; } + bool is_complete() const { return _is_complete; } + bool is_blocking() const { return _is_blocking; } + bool is_success() const { return _is_success; } + + nmethodLocker* code_handle() const { return _code_handle; } + void set_code_handle(nmethodLocker* l) { _code_handle = l; } + nmethod* code() const; // _code_handle->code() + void set_code(nmethod* nm); // _code_handle->set_code(nm) + + Monitor* lock() const { return _lock; } + + void mark_complete() { _is_complete = true; } + void mark_success() { _is_success = true; } + + int comp_level() { return _comp_level;} + void set_comp_level(int comp_level) { _comp_level = comp_level;} + + int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } + void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } + + CompileTask* next() const { return _next; } + void set_next(CompileTask* next) { _next = next; } + + void print(); + void print_line(); + void print_line_on_error(outputStream* st, char* buf, int buflen); + void log_task(xmlStream* log); + void log_task_queued(); + void log_task_start(CompileLog* log); + void log_task_done(CompileLog* log); + +}; + +// CompilerCounters +// +// Per Compiler Performance Counters. +// +class CompilerCounters : public CHeapObj { + + public: + enum { + cmname_buffer_length = 160 + }; + + private: + + char _current_method[cmname_buffer_length]; + PerfStringVariable* _perf_current_method; + + int _compile_type; + PerfVariable* _perf_compile_type; + + PerfCounter* _perf_time; + PerfCounter* _perf_compiles; + + public: + CompilerCounters(const char* name, int instance, TRAPS); + + // these methods should be called in a thread safe context + + void set_current_method(const char* method) { + strncpy(_current_method, method, (size_t)cmname_buffer_length); + if (UsePerfData) _perf_current_method->set_value(method); + } + + char* current_method() { return _current_method; } + + void set_compile_type(int compile_type) { + _compile_type = compile_type; + if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); + } + + int compile_type() { return _compile_type; } + + PerfCounter* time_counter() { return _perf_time; } + PerfCounter* compile_counter() { return _perf_compiles; } +}; + + +// CompileQueue +// +// A list of CompileTasks. +class CompileQueue : public CHeapObj { + private: + const char* _name; + Monitor* _lock; + + CompileTask* _first; + CompileTask* _last; + + public: + CompileQueue(const char* name, Monitor* lock) { + _name = name; + _lock = lock; + _first = NULL; + _last = NULL; + } + + const char* name() const { return _name; } + Monitor* lock() const { return _lock; } + + void add(CompileTask* task); + + CompileTask* get(); + + bool is_empty() const { return _first == NULL; } + + void print(); +}; + + +// Compilation +// +// The broker for all compilation requests. +class CompileBroker: AllStatic { + friend class Threads; + friend class CompileTaskWrapper; + + public: + enum { + name_buffer_length = 100 + }; + + // Compile type Information for print_last_compile() and CompilerCounters + enum { no_compile, normal_compile, osr_compile, native_compile }; + + private: + static bool _initialized; + static volatile bool _should_block; + + // The installed compiler(s) + static AbstractCompiler* _compilers[2]; + + // These counters are used for assigning id's to each compilation + static uint _compilation_id; + static uint _osr_compilation_id; + static uint _native_compilation_id; + + static int _last_compile_type; + static int _last_compile_level; + static char _last_method_compiled[name_buffer_length]; + + static CompileQueue* _method_queue; + static CompileTask* _task_free_list; + + static GrowableArray<CompilerThread*>* _method_threads; + + // performance counters + static PerfCounter* _perf_total_compilation; + static PerfCounter* _perf_native_compilation; + static PerfCounter* _perf_osr_compilation; + static PerfCounter* _perf_standard_compilation; + + static PerfCounter* _perf_total_bailout_count; + static PerfCounter* _perf_total_invalidated_count; + static PerfCounter* _perf_total_compile_count; + static PerfCounter* _perf_total_native_compile_count; + static PerfCounter* _perf_total_osr_compile_count; + static PerfCounter* _perf_total_standard_compile_count; + + static PerfCounter* _perf_sum_osr_bytes_compiled; + static PerfCounter* _perf_sum_standard_bytes_compiled; + static PerfCounter* _perf_sum_nmethod_size; + static PerfCounter* _perf_sum_nmethod_code_size; + + static PerfStringVariable* _perf_last_method; + static PerfStringVariable* _perf_last_failed_method; + static PerfStringVariable* _perf_last_invalidated_method; + static PerfVariable* _perf_last_compile_type; + static PerfVariable* _perf_last_compile_size; + static PerfVariable* _perf_last_failed_type; + static PerfVariable* _perf_last_invalidated_type; + + // Timers and counters for generating statistics + static elapsedTimer _t_total_compilation; + static elapsedTimer _t_osr_compilation; + static elapsedTimer _t_standard_compilation; + + static int _total_bailout_count; + static int _total_invalidated_count; + static int _total_compile_count; + static int _total_native_compile_count; + static int _total_osr_compile_count; + static int _total_standard_compile_count; + + static int _sum_osr_bytes_compiled; + static int _sum_standard_bytes_compiled; + static int _sum_nmethod_size; + static int _sum_nmethod_code_size; + + static int compiler_count() { + return CICompilerCountPerCPU + // Example: if CICompilerCountPerCPU is true, then we get + // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine. + // May help big-app startup time. + ? (MAX2(log2_intptr(os::active_processor_count())-1,1)) + : CICompilerCount; + } + + static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, TRAPS); + static void init_compiler_threads(int compiler_count); + static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); + static bool compilation_is_in_queue (methodHandle method, int osr_bci); + static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); + static uint assign_compile_id (methodHandle method, int osr_bci); + static bool is_compile_blocking (methodHandle method, int osr_bci); + static void preload_classes (methodHandle method, TRAPS); + + static CompileTask* create_compile_task(CompileQueue* queue, + int compile_id, + methodHandle method, + int osr_bci, + int comp_level, + methodHandle hot_method, + int hot_count, + const char* comment, + bool blocking); + static CompileTask* allocate_task(); + static void free_task(CompileTask* task); + static void wait_for_completion(CompileTask* task); + + static void invoke_compiler_on_method(CompileTask* task); + static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); + static void push_jni_handle_block(); + static void pop_jni_handle_block(); + static bool check_break_at(methodHandle method, int compile_id, bool is_osr); + static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); + + static void compile_method_base(methodHandle method, + int osr_bci, + int comp_level, + methodHandle hot_method, + int hot_count, + const char* comment, + TRAPS); + + public: + enum { + // The entry bci used for non-OSR compilations. + standard_entry_bci = InvocationEntryBci + }; + + static AbstractCompiler* compiler(int level ) { + if (level == CompLevel_fast_compile) return _compilers[0]; + assert(level == CompLevel_highest_tier, "what level?") + return _compilers[1]; + } + + static void compilation_init(); + static void init_compiler_thread_log(); + static nmethod* compile_method(methodHandle method, int osr_bci, + methodHandle hot_method, int hot_count, + const char* comment, TRAPS); + + static void compiler_thread_loop(); + + static bool is_idle(); + + // Set _should_block. + // Call this from the VM, with Threads_lock held and a safepoint requested. + static void set_should_block(); + + // Call this from the compiler at convenient points, to poll for _should_block. + static void maybe_block(); + + // Return total compilation ticks + static jlong total_compilation_ticks() { + return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; + } + + // Print a detailed accounting of compilation time + static void print_times(); + + // Debugging output for failure + static void print_last_compile(); + + static void print_compiler_threads_on(outputStream* st); +};