| /* |
| * Copyright (c) 1997, 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. |
| * |
| * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "classfile/classLoader.hpp" |
| #include "code/codeCache.hpp" |
| #include "code/vtableStubs.hpp" |
| #include "gc/shared/collectedHeap.inline.hpp" |
| #include "interpreter/interpreter.hpp" |
| #include "memory/allocation.inline.hpp" |
| #include "memory/resourceArea.hpp" |
| #include "memory/universe.inline.hpp" |
| #include "oops/oop.inline.hpp" |
| #include "oops/symbol.hpp" |
| #include "runtime/deoptimization.hpp" |
| #include "runtime/fprofiler.hpp" |
| #include "runtime/mutexLocker.hpp" |
| #include "runtime/stubCodeGenerator.hpp" |
| #include "runtime/stubRoutines.hpp" |
| #include "runtime/task.hpp" |
| #include "runtime/thread.inline.hpp" |
| #include "runtime/vframe.hpp" |
| #include "utilities/macros.hpp" |
| |
| // Static fields of FlatProfiler |
| int FlatProfiler::received_gc_ticks = 0; |
| int FlatProfiler::vm_operation_ticks = 0; |
| int FlatProfiler::threads_lock_ticks = 0; |
| int FlatProfiler::class_loader_ticks = 0; |
| int FlatProfiler::extra_ticks = 0; |
| int FlatProfiler::blocked_ticks = 0; |
| int FlatProfiler::deopt_ticks = 0; |
| int FlatProfiler::unknown_ticks = 0; |
| int FlatProfiler::interpreter_ticks = 0; |
| int FlatProfiler::compiler_ticks = 0; |
| int FlatProfiler::received_ticks = 0; |
| int FlatProfiler::delivered_ticks = 0; |
| int* FlatProfiler::bytecode_ticks = NULL; |
| int* FlatProfiler::bytecode_ticks_stub = NULL; |
| int FlatProfiler::all_int_ticks = 0; |
| int FlatProfiler::all_comp_ticks = 0; |
| int FlatProfiler::all_ticks = 0; |
| bool FlatProfiler::full_profile_flag = false; |
| ThreadProfiler* FlatProfiler::thread_profiler = NULL; |
| ThreadProfiler* FlatProfiler::vm_thread_profiler = NULL; |
| FlatProfilerTask* FlatProfiler::task = NULL; |
| elapsedTimer FlatProfiler::timer; |
| int FlatProfiler::interval_ticks_previous = 0; |
| IntervalData* FlatProfiler::interval_data = NULL; |
| |
| ThreadProfiler::ThreadProfiler() { |
| // Space for the ProfilerNodes |
| const int area_size = 1 * ProfilerNodeSize * 1024; |
| area_bottom = AllocateHeap(area_size, mtInternal); |
| area_top = area_bottom; |
| area_limit = area_bottom + area_size; |
| |
| // ProfilerNode pointer table |
| table = NEW_C_HEAP_ARRAY(ProfilerNode*, table_size, mtInternal); |
| initialize(); |
| engaged = false; |
| } |
| |
| ThreadProfiler::~ThreadProfiler() { |
| FreeHeap(area_bottom); |
| area_bottom = NULL; |
| area_top = NULL; |
| area_limit = NULL; |
| FreeHeap(table); |
| table = NULL; |
| } |
| |
| // Statics for ThreadProfiler |
| int ThreadProfiler::table_size = 1024; |
| |
| int ThreadProfiler::entry(int value) { |
| value = (value > 0) ? value : -value; |
| return value % table_size; |
| } |
| |
| ThreadProfilerMark::ThreadProfilerMark(ThreadProfilerMark::Region r) { |
| _r = r; |
| _pp = NULL; |
| assert(((r > ThreadProfilerMark::noRegion) && (r < ThreadProfilerMark::maxRegion)), "ThreadProfilerMark::Region out of bounds"); |
| Thread* tp = Thread::current(); |
| if (tp != NULL && tp->is_Java_thread()) { |
| JavaThread* jtp = (JavaThread*) tp; |
| ThreadProfiler* pp = jtp->get_thread_profiler(); |
| _pp = pp; |
| if (pp != NULL) { |
| pp->region_flag[r] = true; |
| } |
| } |
| } |
| |
| ThreadProfilerMark::~ThreadProfilerMark() { |
| if (_pp != NULL) { |
| _pp->region_flag[_r] = false; |
| } |
| _pp = NULL; |
| } |
| |
| // Random other statics |
| static const int col1 = 2; // position of output column 1 |
| static const int col2 = 11; // position of output column 2 |
| static const int col3 = 25; // position of output column 3 |
| static const int col4 = 55; // position of output column 4 |
| |
| |
| // Used for detailed profiling of nmethods. |
| class PCRecorder : AllStatic { |
| private: |
| static int* counters; |
| static address base; |
| enum { |
| bucket_size = 16 |
| }; |
| static int index_for(address pc) { return (pc - base)/bucket_size; } |
| static address pc_for(int index) { return base + (index * bucket_size); } |
| static int size() { |
| return ((int)CodeCache::max_capacity())/bucket_size * BytesPerWord; |
| } |
| public: |
| static address bucket_start_for(address pc) { |
| if (counters == NULL) return NULL; |
| return pc_for(index_for(pc)); |
| } |
| static int bucket_count_for(address pc) { return counters[index_for(pc)]; } |
| static void init(); |
| static void record(address pc); |
| static void print(); |
| static void print_blobs(CodeBlob* cb); |
| }; |
| |
| int* PCRecorder::counters = NULL; |
| address PCRecorder::base = NULL; |
| |
| void PCRecorder::init() { |
| MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
| int s = size(); |
| counters = NEW_C_HEAP_ARRAY(int, s, mtInternal); |
| for (int index = 0; index < s; index++) { |
| counters[index] = 0; |
| } |
| base = CodeCache::low_bound(); |
| } |
| |
| void PCRecorder::record(address pc) { |
| if (counters == NULL) return; |
| assert(CodeCache::contains(pc), "must be in CodeCache"); |
| counters[index_for(pc)]++; |
| } |
| |
| |
| address FlatProfiler::bucket_start_for(address pc) { |
| return PCRecorder::bucket_start_for(pc); |
| } |
| |
| int FlatProfiler::bucket_count_for(address pc) { |
| return PCRecorder::bucket_count_for(pc); |
| } |
| |
| void PCRecorder::print() { |
| if (counters == NULL) return; |
| |
| tty->cr(); |
| tty->print_cr("Printing compiled methods with PC buckets having more than " INTX_FORMAT " ticks", ProfilerPCTickThreshold); |
| tty->print_cr("==================================================================="); |
| tty->cr(); |
| |
| GrowableArray<CodeBlob*>* candidates = new GrowableArray<CodeBlob*>(20); |
| |
| |
| int s; |
| { |
| MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
| s = size(); |
| } |
| |
| for (int index = 0; index < s; index++) { |
| int count = counters[index]; |
| if (count > ProfilerPCTickThreshold) { |
| address pc = pc_for(index); |
| CodeBlob* cb = CodeCache::find_blob_unsafe(pc); |
| if (cb != NULL && candidates->find(cb) < 0) { |
| candidates->push(cb); |
| } |
| } |
| } |
| for (int i = 0; i < candidates->length(); i++) { |
| print_blobs(candidates->at(i)); |
| } |
| } |
| |
| void PCRecorder::print_blobs(CodeBlob* cb) { |
| if (cb != NULL) { |
| cb->print(); |
| if (cb->is_nmethod()) { |
| ((nmethod*)cb)->print_code(); |
| } |
| tty->cr(); |
| } else { |
| tty->print_cr("stub code"); |
| } |
| } |
| |
| class tick_counter { // holds tick info for one node |
| public: |
| int ticks_in_code; |
| int ticks_in_native; |
| |
| tick_counter() { ticks_in_code = ticks_in_native = 0; } |
| tick_counter(int code, int native) { ticks_in_code = code; ticks_in_native = native; } |
| |
| int total() const { |
| return (ticks_in_code + ticks_in_native); |
| } |
| |
| void add(tick_counter* a) { |
| ticks_in_code += a->ticks_in_code; |
| ticks_in_native += a->ticks_in_native; |
| } |
| |
| void update(TickPosition where) { |
| switch(where) { |
| case tp_code: ticks_in_code++; break; |
| case tp_native: ticks_in_native++; break; |
| } |
| } |
| |
| void print_code(outputStream* st, int total_ticks) { |
| st->print("%5.1f%% %5d ", total() * 100.0 / total_ticks, ticks_in_code); |
| } |
| |
| void print_native(outputStream* st) { |
| st->print(" + %5d ", ticks_in_native); |
| } |
| }; |
| |
| class ProfilerNode { |
| private: |
| ProfilerNode* _next; |
| public: |
| tick_counter ticks; |
| |
| public: |
| |
| void* operator new(size_t size, ThreadProfiler* tp) throw(); |
| void operator delete(void* p); |
| |
| ProfilerNode() { |
| _next = NULL; |
| } |
| |
| virtual ~ProfilerNode() { |
| if (_next) |
| delete _next; |
| } |
| |
| void set_next(ProfilerNode* n) { _next = n; } |
| ProfilerNode* next() { return _next; } |
| |
| void update(TickPosition where) { ticks.update(where);} |
| int total_ticks() { return ticks.total(); } |
| |
| virtual bool is_interpreted() const { return false; } |
| virtual bool is_compiled() const { return false; } |
| virtual bool is_stub() const { return false; } |
| virtual bool is_runtime_stub() const{ return false; } |
| virtual void oops_do(OopClosure* f) = 0; |
| |
| virtual bool interpreted_match(Method* m) const { return false; } |
| virtual bool compiled_match(Method* m ) const { return false; } |
| virtual bool stub_match(Method* m, const char* name) const { return false; } |
| virtual bool adapter_match() const { return false; } |
| virtual bool runtimeStub_match(const CodeBlob* stub, const char* name) const { return false; } |
| virtual bool unknown_compiled_match(const CodeBlob* cb) const { return false; } |
| |
| static void print_title(outputStream* st) { |
| st->print(" + native"); |
| st->fill_to(col3); |
| st->print("Method"); |
| st->fill_to(col4); |
| st->cr(); |
| } |
| |
| static void print_total(outputStream* st, tick_counter* t, int total, const char* msg) { |
| t->print_code(st, total); |
| st->fill_to(col2); |
| t->print_native(st); |
| st->fill_to(col3); |
| st->print("%s", msg); |
| st->cr(); |
| } |
| |
| virtual Method* method() = 0; |
| |
| virtual void print_method_on(outputStream* st) { |
| int limit; |
| int i; |
| Method* m = method(); |
| Symbol* k = m->klass_name(); |
| // Print the class name with dots instead of slashes |
| limit = k->utf8_length(); |
| for (i = 0 ; i < limit ; i += 1) { |
| char c = (char) k->byte_at(i); |
| if (c == '/') { |
| c = '.'; |
| } |
| st->print("%c", c); |
| } |
| if (limit > 0) { |
| st->print("."); |
| } |
| Symbol* n = m->name(); |
| limit = n->utf8_length(); |
| for (i = 0 ; i < limit ; i += 1) { |
| char c = (char) n->byte_at(i); |
| st->print("%c", c); |
| } |
| if (Verbose || WizardMode) { |
| // Disambiguate overloaded methods |
| Symbol* sig = m->signature(); |
| sig->print_symbol_on(st); |
| } else if (MethodHandles::is_signature_polymorphic(m->intrinsic_id())) |
| // compare with Method::print_short_name |
| MethodHandles::print_as_basic_type_signature_on(st, m->signature(), true); |
| } |
| |
| virtual void print(outputStream* st, int total_ticks) { |
| ticks.print_code(st, total_ticks); |
| st->fill_to(col2); |
| ticks.print_native(st); |
| st->fill_to(col3); |
| print_method_on(st); |
| st->cr(); |
| } |
| |
| // for hashing into the table |
| static int hash(Method* method) { |
| // The point here is to try to make something fairly unique |
| // out of the fields we can read without grabbing any locks |
| // since the method may be locked when we need the hash. |
| return ( |
| method->code_size() ^ |
| method->max_stack() ^ |
| method->max_locals() ^ |
| method->size_of_parameters()); |
| } |
| |
| // for sorting |
| static int compare(ProfilerNode** a, ProfilerNode** b) { |
| return (*b)->total_ticks() - (*a)->total_ticks(); |
| } |
| }; |
| |
| void* ProfilerNode::operator new(size_t size, ThreadProfiler* tp) throw() { |
| void* result = (void*) tp->area_top; |
| tp->area_top += size; |
| |
| if (tp->area_top > tp->area_limit) { |
| fatal("flat profiler buffer overflow"); |
| } |
| return result; |
| } |
| |
| void ProfilerNode::operator delete(void* p){ |
| } |
| |
| class interpretedNode : public ProfilerNode { |
| private: |
| Method* _method; |
| oop _class_loader; // needed to keep metadata for the method alive |
| public: |
| interpretedNode(Method* method, TickPosition where) : ProfilerNode() { |
| _method = method; |
| _class_loader = method->method_holder()->class_loader(); |
| update(where); |
| } |
| |
| bool is_interpreted() const { return true; } |
| |
| bool interpreted_match(Method* m) const { |
| return _method == m; |
| } |
| |
| void oops_do(OopClosure* f) { |
| f->do_oop(&_class_loader); |
| } |
| |
| Method* method() { return _method; } |
| |
| static void print_title(outputStream* st) { |
| st->fill_to(col1); |
| st->print("%11s", "Interpreted"); |
| ProfilerNode::print_title(st); |
| } |
| |
| void print(outputStream* st, int total_ticks) { |
| ProfilerNode::print(st, total_ticks); |
| } |
| |
| void print_method_on(outputStream* st) { |
| ProfilerNode::print_method_on(st); |
| MethodCounters* mcs = method()->method_counters(); |
| if (Verbose && mcs != NULL) mcs->invocation_counter()->print_short(); |
| } |
| }; |
| |
| class compiledNode : public ProfilerNode { |
| private: |
| Method* _method; |
| oop _class_loader; // needed to keep metadata for the method alive |
| public: |
| compiledNode(Method* method, TickPosition where) : ProfilerNode() { |
| _method = method; |
| _class_loader = method->method_holder()->class_loader(); |
| update(where); |
| } |
| bool is_compiled() const { return true; } |
| |
| bool compiled_match(Method* m) const { |
| return _method == m; |
| } |
| |
| Method* method() { return _method; } |
| |
| void oops_do(OopClosure* f) { |
| f->do_oop(&_class_loader); |
| } |
| |
| static void print_title(outputStream* st) { |
| st->fill_to(col1); |
| st->print("%11s", "Compiled"); |
| ProfilerNode::print_title(st); |
| } |
| |
| void print(outputStream* st, int total_ticks) { |
| ProfilerNode::print(st, total_ticks); |
| } |
| |
| void print_method_on(outputStream* st) { |
| ProfilerNode::print_method_on(st); |
| } |
| }; |
| |
| class stubNode : public ProfilerNode { |
| private: |
| Method* _method; |
| oop _class_loader; // needed to keep metadata for the method alive |
| const char* _symbol; // The name of the nearest VM symbol (for +ProfileVM). Points to a unique string |
| public: |
| stubNode(Method* method, const char* name, TickPosition where) : ProfilerNode() { |
| _method = method; |
| _class_loader = method->method_holder()->class_loader(); |
| _symbol = name; |
| update(where); |
| } |
| |
| bool is_stub() const { return true; } |
| |
| void oops_do(OopClosure* f) { |
| f->do_oop(&_class_loader); |
| } |
| |
| bool stub_match(Method* m, const char* name) const { |
| return (_method == m) && (_symbol == name); |
| } |
| |
| Method* method() { return _method; } |
| |
| static void print_title(outputStream* st) { |
| st->fill_to(col1); |
| st->print("%11s", "Stub"); |
| ProfilerNode::print_title(st); |
| } |
| |
| void print(outputStream* st, int total_ticks) { |
| ProfilerNode::print(st, total_ticks); |
| } |
| |
| void print_method_on(outputStream* st) { |
| ProfilerNode::print_method_on(st); |
| print_symbol_on(st); |
| } |
| |
| void print_symbol_on(outputStream* st) { |
| if(_symbol) { |
| st->print(" (%s)", _symbol); |
| } |
| } |
| }; |
| |
| class adapterNode : public ProfilerNode { |
| public: |
| adapterNode(TickPosition where) : ProfilerNode() { |
| update(where); |
| } |
| bool is_compiled() const { return true; } |
| |
| bool adapter_match() const { return true; } |
| |
| Method* method() { return NULL; } |
| |
| void oops_do(OopClosure* f) { |
| ; |
| } |
| |
| void print(outputStream* st, int total_ticks) { |
| ProfilerNode::print(st, total_ticks); |
| } |
| |
| void print_method_on(outputStream* st) { |
| st->print("%s", "adapters"); |
| } |
| }; |
| |
| class runtimeStubNode : public ProfilerNode { |
| private: |
| const CodeBlob* _stub; |
| const char* _symbol; // The name of the nearest VM symbol when ProfileVM is on. Points to a unique string. |
| public: |
| runtimeStubNode(const CodeBlob* stub, const char* name, TickPosition where) : ProfilerNode(), _stub(stub), _symbol(name) { |
| assert(stub->is_runtime_stub(), "wrong code blob"); |
| update(where); |
| } |
| |
| bool is_runtime_stub() const { return true; } |
| |
| bool runtimeStub_match(const CodeBlob* stub, const char* name) const { |
| assert(stub->is_runtime_stub(), "wrong code blob"); |
| return ((RuntimeStub*)_stub)->entry_point() == ((RuntimeStub*)stub)->entry_point() && |
| (_symbol == name); |
| } |
| |
| Method* method() { return NULL; } |
| |
| static void print_title(outputStream* st) { |
| st->fill_to(col1); |
| st->print("%11s", "Runtime stub"); |
| ProfilerNode::print_title(st); |
| } |
| |
| void oops_do(OopClosure* f) { |
| ; |
| } |
| |
| void print(outputStream* st, int total_ticks) { |
| ProfilerNode::print(st, total_ticks); |
| } |
| |
| void print_method_on(outputStream* st) { |
| st->print("%s", ((RuntimeStub*)_stub)->name()); |
| print_symbol_on(st); |
| } |
| |
| void print_symbol_on(outputStream* st) { |
| if(_symbol) { |
| st->print(" (%s)", _symbol); |
| } |
| } |
| }; |
| |
| |
| class unknown_compiledNode : public ProfilerNode { |
| const char *_name; |
| public: |
| unknown_compiledNode(const CodeBlob* cb, TickPosition where) : ProfilerNode() { |
| if ( cb->is_buffer_blob() ) |
| _name = ((BufferBlob*)cb)->name(); |
| else |
| _name = ((SingletonBlob*)cb)->name(); |
| update(where); |
| } |
| bool is_compiled() const { return true; } |
| |
| bool unknown_compiled_match(const CodeBlob* cb) const { |
| if ( cb->is_buffer_blob() ) |
| return !strcmp(((BufferBlob*)cb)->name(), _name); |
| else |
| return !strcmp(((SingletonBlob*)cb)->name(), _name); |
| } |
| |
| Method* method() { return NULL; } |
| |
| void oops_do(OopClosure* f) { |
| ; |
| } |
| |
| void print(outputStream* st, int total_ticks) { |
| ProfilerNode::print(st, total_ticks); |
| } |
| |
| void print_method_on(outputStream* st) { |
| st->print("%s", _name); |
| } |
| }; |
| |
| class vmNode : public ProfilerNode { |
| private: |
| const char* _name; // "optional" name obtained by os means such as dll lookup |
| public: |
| vmNode(const TickPosition where) : ProfilerNode() { |
| _name = NULL; |
| update(where); |
| } |
| |
| vmNode(const char* name, const TickPosition where) : ProfilerNode() { |
| _name = os::strdup(name); |
| update(where); |
| } |
| |
| ~vmNode() { |
| if (_name != NULL) { |
| os::free((void*)_name); |
| } |
| } |
| |
| const char *name() const { return _name; } |
| bool is_compiled() const { return true; } |
| |
| bool vm_match(const char* name) const { return strcmp(name, _name) == 0; } |
| |
| Method* method() { return NULL; } |
| |
| static int hash(const char* name){ |
| // Compute a simple hash |
| const char* cp = name; |
| int h = 0; |
| |
| if(name != NULL){ |
| while(*cp != '\0'){ |
| h = (h << 1) ^ *cp; |
| cp++; |
| } |
| } |
| return h; |
| } |
| |
| void oops_do(OopClosure* f) { |
| ; |
| } |
| |
| void print(outputStream* st, int total_ticks) { |
| ProfilerNode::print(st, total_ticks); |
| } |
| |
| void print_method_on(outputStream* st) { |
| if(_name==NULL){ |
| st->print("%s", "unknown code"); |
| } |
| else { |
| st->print("%s", _name); |
| } |
| } |
| }; |
| |
| void ThreadProfiler::interpreted_update(Method* method, TickPosition where) { |
| int index = entry(ProfilerNode::hash(method)); |
| if (!table[index]) { |
| table[index] = new (this) interpretedNode(method, where); |
| } else { |
| ProfilerNode* prev = table[index]; |
| for(ProfilerNode* node = prev; node; node = node->next()) { |
| if (node->interpreted_match(method)) { |
| node->update(where); |
| return; |
| } |
| prev = node; |
| } |
| prev->set_next(new (this) interpretedNode(method, where)); |
| } |
| } |
| |
| void ThreadProfiler::compiled_update(Method* method, TickPosition where) { |
| int index = entry(ProfilerNode::hash(method)); |
| if (!table[index]) { |
| table[index] = new (this) compiledNode(method, where); |
| } else { |
| ProfilerNode* prev = table[index]; |
| for(ProfilerNode* node = prev; node; node = node->next()) { |
| if (node->compiled_match(method)) { |
| node->update(where); |
| return; |
| } |
| prev = node; |
| } |
| prev->set_next(new (this) compiledNode(method, where)); |
| } |
| } |
| |
| void ThreadProfiler::stub_update(Method* method, const char* name, TickPosition where) { |
| int index = entry(ProfilerNode::hash(method)); |
| if (!table[index]) { |
| table[index] = new (this) stubNode(method, name, where); |
| } else { |
| ProfilerNode* prev = table[index]; |
| for(ProfilerNode* node = prev; node; node = node->next()) { |
| if (node->stub_match(method, name)) { |
| node->update(where); |
| return; |
| } |
| prev = node; |
| } |
| prev->set_next(new (this) stubNode(method, name, where)); |
| } |
| } |
| |
| void ThreadProfiler::adapter_update(TickPosition where) { |
| int index = 0; |
| if (!table[index]) { |
| table[index] = new (this) adapterNode(where); |
| } else { |
| ProfilerNode* prev = table[index]; |
| for(ProfilerNode* node = prev; node; node = node->next()) { |
| if (node->adapter_match()) { |
| node->update(where); |
| return; |
| } |
| prev = node; |
| } |
| prev->set_next(new (this) adapterNode(where)); |
| } |
| } |
| |
| void ThreadProfiler::runtime_stub_update(const CodeBlob* stub, const char* name, TickPosition where) { |
| int index = 0; |
| if (!table[index]) { |
| table[index] = new (this) runtimeStubNode(stub, name, where); |
| } else { |
| ProfilerNode* prev = table[index]; |
| for(ProfilerNode* node = prev; node; node = node->next()) { |
| if (node->runtimeStub_match(stub, name)) { |
| node->update(where); |
| return; |
| } |
| prev = node; |
| } |
| prev->set_next(new (this) runtimeStubNode(stub, name, where)); |
| } |
| } |
| |
| |
| void ThreadProfiler::unknown_compiled_update(const CodeBlob* cb, TickPosition where) { |
| int index = 0; |
| if (!table[index]) { |
| table[index] = new (this) unknown_compiledNode(cb, where); |
| } else { |
| ProfilerNode* prev = table[index]; |
| for(ProfilerNode* node = prev; node; node = node->next()) { |
| if (node->unknown_compiled_match(cb)) { |
| node->update(where); |
| return; |
| } |
| prev = node; |
| } |
| prev->set_next(new (this) unknown_compiledNode(cb, where)); |
| } |
| } |
| |
| void ThreadProfiler::vm_update(TickPosition where) { |
| vm_update(NULL, where); |
| } |
| |
| void ThreadProfiler::vm_update(const char* name, TickPosition where) { |
| int index = entry(vmNode::hash(name)); |
| assert(index >= 0, "Must be positive"); |
| // Note that we call strdup below since the symbol may be resource allocated |
| if (!table[index]) { |
| table[index] = new (this) vmNode(name, where); |
| } else { |
| ProfilerNode* prev = table[index]; |
| for(ProfilerNode* node = prev; node; node = node->next()) { |
| if (((vmNode *)node)->vm_match(name)) { |
| node->update(where); |
| return; |
| } |
| prev = node; |
| } |
| prev->set_next(new (this) vmNode(name, where)); |
| } |
| } |
| |
| |
| class FlatProfilerTask : public PeriodicTask { |
| public: |
| FlatProfilerTask(int interval_time) : PeriodicTask(interval_time) {} |
| void task(); |
| }; |
| |
| void FlatProfiler::record_vm_operation() { |
| if (Universe::heap()->is_gc_active()) { |
| FlatProfiler::received_gc_ticks += 1; |
| return; |
| } |
| |
| if (DeoptimizationMarker::is_active()) { |
| FlatProfiler::deopt_ticks += 1; |
| return; |
| } |
| |
| FlatProfiler::vm_operation_ticks += 1; |
| } |
| |
| void FlatProfiler::record_vm_tick() { |
| // Profile the VM Thread itself if needed |
| // This is done without getting the Threads_lock and we can go deep |
| // inside Safepoint, etc. |
| if( ProfileVM ) { |
| ResourceMark rm; |
| ExtendedPC epc; |
| const char *name = NULL; |
| char buf[256]; |
| buf[0] = '\0'; |
| |
| vm_thread_profiler->inc_thread_ticks(); |
| |
| // Get a snapshot of a current VMThread pc (and leave it running!) |
| // The call may fail in some circumstances |
| epc = os::get_thread_pc(VMThread::vm_thread()); |
| if(epc.pc() != NULL) { |
| if (os::dll_address_to_function_name(epc.pc(), buf, sizeof(buf), NULL)) { |
| name = buf; |
| } |
| } |
| if (name != NULL) { |
| vm_thread_profiler->vm_update(name, tp_native); |
| } |
| } |
| } |
| |
| void FlatProfiler::record_thread_ticks() { |
| |
| int maxthreads, suspendedthreadcount; |
| JavaThread** threadsList; |
| bool interval_expired = false; |
| |
| if (ProfileIntervals && |
| (FlatProfiler::received_ticks >= interval_ticks_previous + ProfileIntervalsTicks)) { |
| interval_expired = true; |
| interval_ticks_previous = FlatProfiler::received_ticks; |
| } |
| |
| // Try not to wait for the Threads_lock |
| if (Threads_lock->try_lock()) { |
| { // Threads_lock scope |
| maxthreads = Threads::number_of_threads(); |
| threadsList = NEW_C_HEAP_ARRAY(JavaThread *, maxthreads, mtInternal); |
| suspendedthreadcount = 0; |
| for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { |
| if (tp->is_Compiler_thread()) { |
| // Only record ticks for active compiler threads |
| CompilerThread* cthread = (CompilerThread*)tp; |
| if (cthread->task() != NULL) { |
| // The compiler is active. If we need to access any of the fields |
| // of the compiler task we should suspend the CompilerThread first. |
| FlatProfiler::compiler_ticks += 1; |
| continue; |
| } |
| } |
| |
| // First externally suspend all threads by marking each for |
| // external suspension - so it will stop at its next transition |
| // Then do a safepoint |
| ThreadProfiler* pp = tp->get_thread_profiler(); |
| if (pp != NULL && pp->engaged) { |
| MutexLockerEx ml(tp->SR_lock(), Mutex::_no_safepoint_check_flag); |
| if (!tp->is_external_suspend() && !tp->is_exiting()) { |
| tp->set_external_suspend(); |
| threadsList[suspendedthreadcount++] = tp; |
| } |
| } |
| } |
| Threads_lock->unlock(); |
| } |
| // Suspend each thread. This call should just return |
| // for any threads that have already self-suspended |
| // Net result should be one safepoint |
| for (int j = 0; j < suspendedthreadcount; j++) { |
| JavaThread *tp = threadsList[j]; |
| if (tp) { |
| tp->java_suspend(); |
| } |
| } |
| |
| // We are responsible for resuming any thread on this list |
| for (int i = 0; i < suspendedthreadcount; i++) { |
| JavaThread *tp = threadsList[i]; |
| if (tp) { |
| ThreadProfiler* pp = tp->get_thread_profiler(); |
| if (pp != NULL && pp->engaged) { |
| HandleMark hm; |
| FlatProfiler::delivered_ticks += 1; |
| if (interval_expired) { |
| FlatProfiler::interval_record_thread(pp); |
| } |
| // This is the place where we check to see if a user thread is |
| // blocked waiting for compilation. |
| if (tp->blocked_on_compilation()) { |
| pp->compiler_ticks += 1; |
| pp->interval_data_ref()->inc_compiling(); |
| } else { |
| pp->record_tick(tp); |
| } |
| } |
| MutexLocker ml(Threads_lock); |
| tp->java_resume(); |
| } |
| } |
| if (interval_expired) { |
| FlatProfiler::interval_print(); |
| FlatProfiler::interval_reset(); |
| } |
| |
| FREE_C_HEAP_ARRAY(JavaThread *, threadsList); |
| } else { |
| // Couldn't get the threads lock, just record that rather than blocking |
| FlatProfiler::threads_lock_ticks += 1; |
| } |
| |
| } |
| |
| void FlatProfilerTask::task() { |
| FlatProfiler::received_ticks += 1; |
| |
| if (ProfileVM) { |
| FlatProfiler::record_vm_tick(); |
| } |
| |
| VM_Operation* op = VMThread::vm_operation(); |
| if (op != NULL) { |
| FlatProfiler::record_vm_operation(); |
| if (SafepointSynchronize::is_at_safepoint()) { |
| return; |
| } |
| } |
| FlatProfiler::record_thread_ticks(); |
| } |
| |
| void ThreadProfiler::record_interpreted_tick(JavaThread* thread, frame fr, TickPosition where, int* ticks) { |
| FlatProfiler::all_int_ticks++; |
| if (!FlatProfiler::full_profile()) { |
| return; |
| } |
| |
| if (!fr.is_interpreted_frame_valid(thread)) { |
| // tick came at a bad time |
| interpreter_ticks += 1; |
| FlatProfiler::interpreter_ticks += 1; |
| return; |
| } |
| |
| // The frame has been fully validated so we can trust the method and bci |
| |
| Method* method = *fr.interpreter_frame_method_addr(); |
| |
| interpreted_update(method, where); |
| |
| // update byte code table |
| InterpreterCodelet* desc = Interpreter::codelet_containing(fr.pc()); |
| if (desc != NULL && desc->bytecode() >= 0) { |
| ticks[desc->bytecode()]++; |
| } |
| } |
| |
| void ThreadProfiler::record_compiled_tick(JavaThread* thread, frame fr, TickPosition where) { |
| const char *name = NULL; |
| TickPosition localwhere = where; |
| |
| FlatProfiler::all_comp_ticks++; |
| if (!FlatProfiler::full_profile()) return; |
| |
| CodeBlob* cb = fr.cb(); |
| |
| // For runtime stubs, record as native rather than as compiled |
| if (cb->is_runtime_stub()) { |
| RegisterMap map(thread, false); |
| fr = fr.sender(&map); |
| cb = fr.cb(); |
| localwhere = tp_native; |
| } |
| Method* method = (cb->is_nmethod()) ? ((nmethod *)cb)->method() : |
| (Method*)NULL; |
| |
| if (method == NULL) { |
| if (cb->is_runtime_stub()) |
| runtime_stub_update(cb, name, localwhere); |
| else |
| unknown_compiled_update(cb, localwhere); |
| } |
| else { |
| if (method->is_native()) { |
| stub_update(method, name, localwhere); |
| } else { |
| compiled_update(method, localwhere); |
| } |
| } |
| } |
| |
| extern "C" void find(int x); |
| |
| |
| void ThreadProfiler::record_tick_for_running_frame(JavaThread* thread, frame fr) { |
| // The tick happened in real code -> non VM code |
| if (fr.is_interpreted_frame()) { |
| interval_data_ref()->inc_interpreted(); |
| record_interpreted_tick(thread, fr, tp_code, FlatProfiler::bytecode_ticks); |
| return; |
| } |
| |
| if (CodeCache::contains(fr.pc())) { |
| interval_data_ref()->inc_compiled(); |
| PCRecorder::record(fr.pc()); |
| record_compiled_tick(thread, fr, tp_code); |
| return; |
| } |
| |
| if (VtableStubs::stub_containing(fr.pc()) != NULL) { |
| unknown_ticks_array[ut_vtable_stubs] += 1; |
| return; |
| } |
| |
| frame caller = fr.profile_find_Java_sender_frame(thread); |
| |
| if (caller.sp() != NULL && caller.pc() != NULL) { |
| record_tick_for_calling_frame(thread, caller); |
| return; |
| } |
| |
| unknown_ticks_array[ut_running_frame] += 1; |
| FlatProfiler::unknown_ticks += 1; |
| } |
| |
| void ThreadProfiler::record_tick_for_calling_frame(JavaThread* thread, frame fr) { |
| // The tick happened in VM code |
| interval_data_ref()->inc_native(); |
| if (fr.is_interpreted_frame()) { |
| record_interpreted_tick(thread, fr, tp_native, FlatProfiler::bytecode_ticks_stub); |
| return; |
| } |
| if (CodeCache::contains(fr.pc())) { |
| record_compiled_tick(thread, fr, tp_native); |
| return; |
| } |
| |
| frame caller = fr.profile_find_Java_sender_frame(thread); |
| |
| if (caller.sp() != NULL && caller.pc() != NULL) { |
| record_tick_for_calling_frame(thread, caller); |
| return; |
| } |
| |
| unknown_ticks_array[ut_calling_frame] += 1; |
| FlatProfiler::unknown_ticks += 1; |
| } |
| |
| void ThreadProfiler::record_tick(JavaThread* thread) { |
| FlatProfiler::all_ticks++; |
| thread_ticks += 1; |
| |
| // Here's another way to track global state changes. |
| // When the class loader starts it marks the ThreadProfiler to tell it it is in the class loader |
| // and we check that here. |
| // This is more direct, and more than one thread can be in the class loader at a time, |
| // but it does mean the class loader has to know about the profiler. |
| if (region_flag[ThreadProfilerMark::classLoaderRegion]) { |
| class_loader_ticks += 1; |
| FlatProfiler::class_loader_ticks += 1; |
| return; |
| } else if (region_flag[ThreadProfilerMark::extraRegion]) { |
| extra_ticks += 1; |
| FlatProfiler::extra_ticks += 1; |
| return; |
| } |
| // Note that the WatcherThread can now stop for safepoints |
| uint32_t debug_bits = 0; |
| if (!thread->wait_for_ext_suspend_completion(SuspendRetryCount, |
| SuspendRetryDelay, &debug_bits)) { |
| unknown_ticks_array[ut_unknown_thread_state] += 1; |
| FlatProfiler::unknown_ticks += 1; |
| return; |
| } |
| |
| frame fr; |
| |
| switch (thread->thread_state()) { |
| case _thread_in_native: |
| case _thread_in_native_trans: |
| case _thread_in_vm: |
| case _thread_in_vm_trans: |
| if (thread->profile_last_Java_frame(&fr)) { |
| if (fr.is_runtime_frame()) { |
| RegisterMap map(thread, false); |
| fr = fr.sender(&map); |
| } |
| record_tick_for_calling_frame(thread, fr); |
| } else { |
| unknown_ticks_array[ut_no_last_Java_frame] += 1; |
| FlatProfiler::unknown_ticks += 1; |
| } |
| break; |
| // handle_special_runtime_exit_condition self-suspends threads in Java |
| case _thread_in_Java: |
| case _thread_in_Java_trans: |
| if (thread->profile_last_Java_frame(&fr)) { |
| if (fr.is_safepoint_blob_frame()) { |
| RegisterMap map(thread, false); |
| fr = fr.sender(&map); |
| } |
| record_tick_for_running_frame(thread, fr); |
| } else { |
| unknown_ticks_array[ut_no_last_Java_frame] += 1; |
| FlatProfiler::unknown_ticks += 1; |
| } |
| break; |
| case _thread_blocked: |
| case _thread_blocked_trans: |
| if (thread->osthread() && thread->osthread()->get_state() == RUNNABLE) { |
| if (thread->profile_last_Java_frame(&fr)) { |
| if (fr.is_safepoint_blob_frame()) { |
| RegisterMap map(thread, false); |
| fr = fr.sender(&map); |
| record_tick_for_running_frame(thread, fr); |
| } else { |
| record_tick_for_calling_frame(thread, fr); |
| } |
| } else { |
| unknown_ticks_array[ut_no_last_Java_frame] += 1; |
| FlatProfiler::unknown_ticks += 1; |
| } |
| } else { |
| blocked_ticks += 1; |
| FlatProfiler::blocked_ticks += 1; |
| } |
| break; |
| case _thread_uninitialized: |
| case _thread_new: |
| // not used, included for completeness |
| case _thread_new_trans: |
| unknown_ticks_array[ut_no_last_Java_frame] += 1; |
| FlatProfiler::unknown_ticks += 1; |
| break; |
| default: |
| unknown_ticks_array[ut_unknown_thread_state] += 1; |
| FlatProfiler::unknown_ticks += 1; |
| break; |
| } |
| return; |
| } |
| |
| void ThreadProfiler::engage() { |
| engaged = true; |
| timer.start(); |
| } |
| |
| void ThreadProfiler::disengage() { |
| engaged = false; |
| timer.stop(); |
| } |
| |
| void ThreadProfiler::initialize() { |
| for (int index = 0; index < table_size; index++) { |
| table[index] = NULL; |
| } |
| thread_ticks = 0; |
| blocked_ticks = 0; |
| compiler_ticks = 0; |
| interpreter_ticks = 0; |
| for (int ut = 0; ut < ut_end; ut += 1) { |
| unknown_ticks_array[ut] = 0; |
| } |
| region_flag[ThreadProfilerMark::classLoaderRegion] = false; |
| class_loader_ticks = 0; |
| region_flag[ThreadProfilerMark::extraRegion] = false; |
| extra_ticks = 0; |
| timer.start(); |
| interval_data_ref()->reset(); |
| } |
| |
| void ThreadProfiler::reset() { |
| timer.stop(); |
| if (table != NULL) { |
| for (int index = 0; index < table_size; index++) { |
| ProfilerNode* n = table[index]; |
| if (n != NULL) { |
| delete n; |
| } |
| } |
| } |
| initialize(); |
| } |
| |
| void FlatProfiler::allocate_table() { |
| { // Bytecode table |
| bytecode_ticks = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal); |
| bytecode_ticks_stub = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal); |
| for(int index = 0; index < Bytecodes::number_of_codes; index++) { |
| bytecode_ticks[index] = 0; |
| bytecode_ticks_stub[index] = 0; |
| } |
| } |
| |
| if (ProfilerRecordPC) PCRecorder::init(); |
| |
| interval_data = NEW_C_HEAP_ARRAY(IntervalData, interval_print_size, mtInternal); |
| FlatProfiler::interval_reset(); |
| } |
| |
| void FlatProfiler::engage(JavaThread* mainThread, bool fullProfile) { |
| full_profile_flag = fullProfile; |
| if (bytecode_ticks == NULL) { |
| allocate_table(); |
| } |
| if(ProfileVM && (vm_thread_profiler == NULL)){ |
| vm_thread_profiler = new ThreadProfiler(); |
| } |
| if (task == NULL) { |
| task = new FlatProfilerTask(WatcherThread::delay_interval); |
| task->enroll(); |
| } |
| timer.start(); |
| if (mainThread != NULL) { |
| // When mainThread was created, it might not have a ThreadProfiler |
| ThreadProfiler* pp = mainThread->get_thread_profiler(); |
| if (pp == NULL) { |
| mainThread->set_thread_profiler(new ThreadProfiler()); |
| } else { |
| pp->reset(); |
| } |
| mainThread->get_thread_profiler()->engage(); |
| } |
| // This is where we would assign thread_profiler |
| // if we wanted only one thread_profiler for all threads. |
| thread_profiler = NULL; |
| } |
| |
| void FlatProfiler::disengage() { |
| if (!task) { |
| return; |
| } |
| timer.stop(); |
| task->disenroll(); |
| delete task; |
| task = NULL; |
| if (thread_profiler != NULL) { |
| thread_profiler->disengage(); |
| } else { |
| MutexLocker tl(Threads_lock); |
| for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { |
| ThreadProfiler* pp = tp->get_thread_profiler(); |
| if (pp != NULL) { |
| pp->disengage(); |
| } |
| } |
| } |
| } |
| |
| void FlatProfiler::reset() { |
| if (task) { |
| disengage(); |
| } |
| |
| class_loader_ticks = 0; |
| extra_ticks = 0; |
| received_gc_ticks = 0; |
| vm_operation_ticks = 0; |
| compiler_ticks = 0; |
| deopt_ticks = 0; |
| interpreter_ticks = 0; |
| blocked_ticks = 0; |
| unknown_ticks = 0; |
| received_ticks = 0; |
| delivered_ticks = 0; |
| timer.stop(); |
| } |
| |
| bool FlatProfiler::is_active() { |
| return task != NULL; |
| } |
| |
| void FlatProfiler::print_byte_code_statistics() { |
| GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200); |
| |
| tty->print_cr(" Bytecode ticks:"); |
| for (int index = 0; index < Bytecodes::number_of_codes; index++) { |
| if (FlatProfiler::bytecode_ticks[index] > 0 || FlatProfiler::bytecode_ticks_stub[index] > 0) { |
| tty->print_cr(" %4d %4d = %s", |
| FlatProfiler::bytecode_ticks[index], |
| FlatProfiler::bytecode_ticks_stub[index], |
| Bytecodes::name( (Bytecodes::Code) index)); |
| } |
| } |
| tty->cr(); |
| } |
| |
| void print_ticks(const char* title, int ticks, int total) { |
| if (ticks > 0) { |
| tty->print("%5.1f%% %5d", ticks * 100.0 / total, ticks); |
| tty->fill_to(col3); |
| tty->print("%s", title); |
| tty->cr(); |
| } |
| } |
| |
| void ThreadProfiler::print(const char* thread_name) { |
| ResourceMark rm; |
| MutexLocker ppl(ProfilePrint_lock); |
| int index = 0; // Declared outside for loops for portability |
| |
| if (table == NULL) { |
| return; |
| } |
| |
| if (thread_ticks <= 0) { |
| return; |
| } |
| |
| const char* title = "too soon to tell"; |
| double secs = timer.seconds(); |
| |
| GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200); |
| for(index = 0; index < table_size; index++) { |
| for(ProfilerNode* node = table[index]; node; node = node->next()) |
| array->append(node); |
| } |
| |
| array->sort(&ProfilerNode::compare); |
| |
| // compute total (sanity check) |
| int active = |
| class_loader_ticks + |
| compiler_ticks + |
| interpreter_ticks + |
| unknown_ticks(); |
| for (index = 0; index < array->length(); index++) { |
| active += array->at(index)->ticks.total(); |
| } |
| int total = active + blocked_ticks; |
| |
| tty->cr(); |
| tty->print_cr("Flat profile of %3.2f secs (%d total ticks): %s", secs, total, thread_name); |
| if (total != thread_ticks) { |
| print_ticks("Lost ticks", thread_ticks-total, thread_ticks); |
| } |
| tty->cr(); |
| |
| // print interpreted methods |
| tick_counter interpreted_ticks; |
| bool has_interpreted_ticks = false; |
| int print_count = 0; |
| for (index = 0; index < array->length(); index++) { |
| ProfilerNode* n = array->at(index); |
| if (n->is_interpreted()) { |
| interpreted_ticks.add(&n->ticks); |
| if (!has_interpreted_ticks) { |
| interpretedNode::print_title(tty); |
| has_interpreted_ticks = true; |
| } |
| if (print_count++ < ProfilerNumberOfInterpretedMethods) { |
| n->print(tty, active); |
| } |
| } |
| } |
| if (has_interpreted_ticks) { |
| if (print_count <= ProfilerNumberOfInterpretedMethods) { |
| title = "Total interpreted"; |
| } else { |
| title = "Total interpreted (including elided)"; |
| } |
| interpretedNode::print_total(tty, &interpreted_ticks, active, title); |
| tty->cr(); |
| } |
| |
| // print compiled methods |
| tick_counter compiled_ticks; |
| bool has_compiled_ticks = false; |
| print_count = 0; |
| for (index = 0; index < array->length(); index++) { |
| ProfilerNode* n = array->at(index); |
| if (n->is_compiled()) { |
| compiled_ticks.add(&n->ticks); |
| if (!has_compiled_ticks) { |
| compiledNode::print_title(tty); |
| has_compiled_ticks = true; |
| } |
| if (print_count++ < ProfilerNumberOfCompiledMethods) { |
| n->print(tty, active); |
| } |
| } |
| } |
| if (has_compiled_ticks) { |
| if (print_count <= ProfilerNumberOfCompiledMethods) { |
| title = "Total compiled"; |
| } else { |
| title = "Total compiled (including elided)"; |
| } |
| compiledNode::print_total(tty, &compiled_ticks, active, title); |
| tty->cr(); |
| } |
| |
| // print stub methods |
| tick_counter stub_ticks; |
| bool has_stub_ticks = false; |
| print_count = 0; |
| for (index = 0; index < array->length(); index++) { |
| ProfilerNode* n = array->at(index); |
| if (n->is_stub()) { |
| stub_ticks.add(&n->ticks); |
| if (!has_stub_ticks) { |
| stubNode::print_title(tty); |
| has_stub_ticks = true; |
| } |
| if (print_count++ < ProfilerNumberOfStubMethods) { |
| n->print(tty, active); |
| } |
| } |
| } |
| if (has_stub_ticks) { |
| if (print_count <= ProfilerNumberOfStubMethods) { |
| title = "Total stub"; |
| } else { |
| title = "Total stub (including elided)"; |
| } |
| stubNode::print_total(tty, &stub_ticks, active, title); |
| tty->cr(); |
| } |
| |
| // print runtime stubs |
| tick_counter runtime_stub_ticks; |
| bool has_runtime_stub_ticks = false; |
| print_count = 0; |
| for (index = 0; index < array->length(); index++) { |
| ProfilerNode* n = array->at(index); |
| if (n->is_runtime_stub()) { |
| runtime_stub_ticks.add(&n->ticks); |
| if (!has_runtime_stub_ticks) { |
| runtimeStubNode::print_title(tty); |
| has_runtime_stub_ticks = true; |
| } |
| if (print_count++ < ProfilerNumberOfRuntimeStubNodes) { |
| n->print(tty, active); |
| } |
| } |
| } |
| if (has_runtime_stub_ticks) { |
| if (print_count <= ProfilerNumberOfRuntimeStubNodes) { |
| title = "Total runtime stubs"; |
| } else { |
| title = "Total runtime stubs (including elided)"; |
| } |
| runtimeStubNode::print_total(tty, &runtime_stub_ticks, active, title); |
| tty->cr(); |
| } |
| |
| if (blocked_ticks + class_loader_ticks + interpreter_ticks + compiler_ticks + unknown_ticks() != 0) { |
| tty->fill_to(col1); |
| tty->print_cr("Thread-local ticks:"); |
| print_ticks("Blocked (of total)", blocked_ticks, total); |
| print_ticks("Class loader", class_loader_ticks, active); |
| print_ticks("Extra", extra_ticks, active); |
| print_ticks("Interpreter", interpreter_ticks, active); |
| print_ticks("Compilation", compiler_ticks, active); |
| print_ticks("Unknown: vtable stubs", unknown_ticks_array[ut_vtable_stubs], active); |
| print_ticks("Unknown: null method", unknown_ticks_array[ut_null_method], active); |
| print_ticks("Unknown: running frame", unknown_ticks_array[ut_running_frame], active); |
| print_ticks("Unknown: calling frame", unknown_ticks_array[ut_calling_frame], active); |
| print_ticks("Unknown: no pc", unknown_ticks_array[ut_no_pc], active); |
| print_ticks("Unknown: no last frame", unknown_ticks_array[ut_no_last_Java_frame], active); |
| print_ticks("Unknown: thread_state", unknown_ticks_array[ut_unknown_thread_state], active); |
| tty->cr(); |
| } |
| |
| if (WizardMode) { |
| tty->print_cr("Node area used: " INTX_FORMAT " Kb", (area_top - area_bottom) / 1024); |
| } |
| reset(); |
| } |
| |
| /* |
| ThreadProfiler::print_unknown(){ |
| if (table == NULL) { |
| return; |
| } |
| |
| if (thread_ticks <= 0) { |
| return; |
| } |
| } */ |
| |
| void FlatProfiler::print(int unused) { |
| ResourceMark rm; |
| if (thread_profiler != NULL) { |
| thread_profiler->print("All threads"); |
| } else { |
| MutexLocker tl(Threads_lock); |
| for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { |
| ThreadProfiler* pp = tp->get_thread_profiler(); |
| if (pp != NULL) { |
| pp->print(tp->get_thread_name()); |
| } |
| } |
| } |
| |
| if (ProfilerPrintByteCodeStatistics) { |
| print_byte_code_statistics(); |
| } |
| |
| if (non_method_ticks() > 0) { |
| tty->cr(); |
| tty->print_cr("Global summary of %3.2f seconds:", timer.seconds()); |
| print_ticks("Received ticks", received_ticks, received_ticks); |
| print_ticks("Received GC ticks", received_gc_ticks, received_ticks); |
| print_ticks("Compilation", compiler_ticks, received_ticks); |
| print_ticks("Deoptimization", deopt_ticks, received_ticks); |
| print_ticks("Other VM operations", vm_operation_ticks, received_ticks); |
| #ifndef PRODUCT |
| print_ticks("Blocked ticks", blocked_ticks, received_ticks); |
| print_ticks("Threads_lock blocks", threads_lock_ticks, received_ticks); |
| print_ticks("Delivered ticks", delivered_ticks, received_ticks); |
| print_ticks("All ticks", all_ticks, received_ticks); |
| #endif |
| print_ticks("Class loader", class_loader_ticks, received_ticks); |
| print_ticks("Extra ", extra_ticks, received_ticks); |
| print_ticks("Interpreter", interpreter_ticks, received_ticks); |
| print_ticks("Unknown code", unknown_ticks, received_ticks); |
| } |
| |
| PCRecorder::print(); |
| |
| if(ProfileVM){ |
| tty->cr(); |
| vm_thread_profiler->print("VM Thread"); |
| } |
| } |
| |
| void IntervalData::print_header(outputStream* st) { |
| st->print("i/c/n/g"); |
| } |
| |
| void IntervalData::print_data(outputStream* st) { |
| st->print("%d/%d/%d/%d", interpreted(), compiled(), native(), compiling()); |
| } |
| |
| void FlatProfiler::interval_record_thread(ThreadProfiler* tp) { |
| IntervalData id = tp->interval_data(); |
| int total = id.total(); |
| tp->interval_data_ref()->reset(); |
| |
| // Insertion sort the data, if it's relevant. |
| for (int i = 0; i < interval_print_size; i += 1) { |
| if (total > interval_data[i].total()) { |
| for (int j = interval_print_size - 1; j > i; j -= 1) { |
| interval_data[j] = interval_data[j-1]; |
| } |
| interval_data[i] = id; |
| break; |
| } |
| } |
| } |
| |
| void FlatProfiler::interval_print() { |
| if ((interval_data[0].total() > 0)) { |
| tty->stamp(); |
| tty->print("\t"); |
| IntervalData::print_header(tty); |
| for (int i = 0; i < interval_print_size; i += 1) { |
| if (interval_data[i].total() > 0) { |
| tty->print("\t"); |
| interval_data[i].print_data(tty); |
| } |
| } |
| tty->cr(); |
| } |
| } |
| |
| void FlatProfiler::interval_reset() { |
| for (int i = 0; i < interval_print_size; i += 1) { |
| interval_data[i].reset(); |
| } |
| } |
| |
| void ThreadProfiler::oops_do(OopClosure* f) { |
| if (table == NULL) return; |
| |
| for(int index = 0; index < table_size; index++) { |
| for(ProfilerNode* node = table[index]; node; node = node->next()) |
| node->oops_do(f); |
| } |
| } |
| |
| void FlatProfiler::oops_do(OopClosure* f) { |
| if (thread_profiler != NULL) { |
| thread_profiler->oops_do(f); |
| } else { |
| for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { |
| ThreadProfiler* pp = tp->get_thread_profiler(); |
| if (pp != NULL) { |
| pp->oops_do(f); |
| } |
| } |
| } |
| } |