--- a/hotspot/src/share/vm/classfile/systemDictionary.cpp Wed Aug 12 16:32:29 2015 +0200
+++ b/hotspot/src/share/vm/classfile/systemDictionary.cpp Wed Aug 12 14:18:12 2015 -0400
@@ -2680,187 +2680,3 @@
#endif // INCLUDE_TRACE
}
-#ifndef PRODUCT
-
-// statistics code
-class ClassStatistics: AllStatic {
- private:
- static int nclasses; // number of classes
- static int nmethods; // number of methods
- static int nmethoddata; // number of methodData
- static int class_size; // size of class objects in words
- static int method_size; // size of method objects in words
- static int debug_size; // size of debug info in methods
- static int methoddata_size; // size of methodData objects in words
-
- static void do_class(Klass* k) {
- nclasses++;
- class_size += k->size();
- if (k->oop_is_instance()) {
- InstanceKlass* ik = (InstanceKlass*)k;
- class_size += ik->methods()->size();
- class_size += ik->constants()->size();
- class_size += ik->local_interfaces()->size();
- class_size += ik->transitive_interfaces()->size();
- // We do not have to count implementors, since we only store one!
- // SSS: How should these be accounted now that they have moved?
- // class_size += ik->fields()->length();
- }
- }
-
- static void do_method(Method* m) {
- nmethods++;
- method_size += m->size();
- // class loader uses same objArray for empty vectors, so don't count these
- if (m->has_stackmap_table()) {
- method_size += m->stackmap_data()->size();
- }
-
- MethodData* mdo = m->method_data();
- if (mdo != NULL) {
- nmethoddata++;
- methoddata_size += mdo->size();
- }
- }
-
- public:
- static void print() {
- SystemDictionary::classes_do(do_class);
- SystemDictionary::methods_do(do_method);
- tty->print_cr("Class statistics:");
- tty->print_cr("%d classes (%d bytes)", nclasses, class_size * oopSize);
- tty->print_cr("%d methods (%d bytes = %d base + %d debug info)", nmethods,
- (method_size + debug_size) * oopSize, method_size * oopSize, debug_size * oopSize);
- tty->print_cr("%d methoddata (%d bytes)", nmethoddata, methoddata_size * oopSize);
- }
-};
-
-
-int ClassStatistics::nclasses = 0;
-int ClassStatistics::nmethods = 0;
-int ClassStatistics::nmethoddata = 0;
-int ClassStatistics::class_size = 0;
-int ClassStatistics::method_size = 0;
-int ClassStatistics::debug_size = 0;
-int ClassStatistics::methoddata_size = 0;
-
-void SystemDictionary::print_class_statistics() {
- ResourceMark rm;
- ClassStatistics::print();
-}
-
-
-class MethodStatistics: AllStatic {
- public:
- enum {
- max_parameter_size = 10
- };
- private:
-
- static int _number_of_methods;
- static int _number_of_final_methods;
- static int _number_of_static_methods;
- static int _number_of_native_methods;
- static int _number_of_synchronized_methods;
- static int _number_of_profiled_methods;
- static int _number_of_bytecodes;
- static int _parameter_size_profile[max_parameter_size];
- static int _bytecodes_profile[Bytecodes::number_of_java_codes];
-
- static void initialize() {
- _number_of_methods = 0;
- _number_of_final_methods = 0;
- _number_of_static_methods = 0;
- _number_of_native_methods = 0;
- _number_of_synchronized_methods = 0;
- _number_of_profiled_methods = 0;
- _number_of_bytecodes = 0;
- for (int i = 0; i < max_parameter_size ; i++) _parameter_size_profile[i] = 0;
- for (int j = 0; j < Bytecodes::number_of_java_codes; j++) _bytecodes_profile [j] = 0;
- };
-
- static void do_method(Method* m) {
- _number_of_methods++;
- // collect flag info
- if (m->is_final() ) _number_of_final_methods++;
- if (m->is_static() ) _number_of_static_methods++;
- if (m->is_native() ) _number_of_native_methods++;
- if (m->is_synchronized()) _number_of_synchronized_methods++;
- if (m->method_data() != NULL) _number_of_profiled_methods++;
- // collect parameter size info (add one for receiver, if any)
- _parameter_size_profile[MIN2(m->size_of_parameters() + (m->is_static() ? 0 : 1), max_parameter_size - 1)]++;
- // collect bytecodes info
- {
- Thread *thread = Thread::current();
- HandleMark hm(thread);
- BytecodeStream s(methodHandle(thread, m));
- Bytecodes::Code c;
- while ((c = s.next()) >= 0) {
- _number_of_bytecodes++;
- _bytecodes_profile[c]++;
- }
- }
- }
-
- public:
- static void print() {
- initialize();
- SystemDictionary::methods_do(do_method);
- // generate output
- tty->cr();
- tty->print_cr("Method statistics (static):");
- // flag distribution
- tty->cr();
- tty->print_cr("%6d final methods %6.1f%%", _number_of_final_methods , _number_of_final_methods * 100.0F / _number_of_methods);
- tty->print_cr("%6d static methods %6.1f%%", _number_of_static_methods , _number_of_static_methods * 100.0F / _number_of_methods);
- tty->print_cr("%6d native methods %6.1f%%", _number_of_native_methods , _number_of_native_methods * 100.0F / _number_of_methods);
- tty->print_cr("%6d synchronized methods %6.1f%%", _number_of_synchronized_methods, _number_of_synchronized_methods * 100.0F / _number_of_methods);
- tty->print_cr("%6d profiled methods %6.1f%%", _number_of_profiled_methods, _number_of_profiled_methods * 100.0F / _number_of_methods);
- // parameter size profile
- tty->cr();
- { int tot = 0;
- int avg = 0;
- for (int i = 0; i < max_parameter_size; i++) {
- int n = _parameter_size_profile[i];
- tot += n;
- avg += n*i;
- tty->print_cr("parameter size = %1d: %6d methods %5.1f%%", i, n, n * 100.0F / _number_of_methods);
- }
- assert(tot == _number_of_methods, "should be the same");
- tty->print_cr(" %6d methods 100.0%%", _number_of_methods);
- tty->print_cr("(average parameter size = %3.1f including receiver, if any)", (float)avg / _number_of_methods);
- }
- // bytecodes profile
- tty->cr();
- { int tot = 0;
- for (int i = 0; i < Bytecodes::number_of_java_codes; i++) {
- if (Bytecodes::is_defined(i)) {
- Bytecodes::Code c = Bytecodes::cast(i);
- int n = _bytecodes_profile[c];
- tot += n;
- tty->print_cr("%9d %7.3f%% %s", n, n * 100.0F / _number_of_bytecodes, Bytecodes::name(c));
- }
- }
- assert(tot == _number_of_bytecodes, "should be the same");
- tty->print_cr("%9d 100.000%%", _number_of_bytecodes);
- }
- tty->cr();
- }
-};
-
-int MethodStatistics::_number_of_methods;
-int MethodStatistics::_number_of_final_methods;
-int MethodStatistics::_number_of_static_methods;
-int MethodStatistics::_number_of_native_methods;
-int MethodStatistics::_number_of_synchronized_methods;
-int MethodStatistics::_number_of_profiled_methods;
-int MethodStatistics::_number_of_bytecodes;
-int MethodStatistics::_parameter_size_profile[MethodStatistics::max_parameter_size];
-int MethodStatistics::_bytecodes_profile[Bytecodes::number_of_java_codes];
-
-
-void SystemDictionary::print_method_statistics() {
- MethodStatistics::print();
-}
-
-#endif // PRODUCT