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8098791: Remove PrintClassStatistics and PrintMethodStatistics
PrintClassStatistics and PrintMethodStatistics have been removed. Reviewed-by: coleenp, iklam
This commit is contained in:
Max Ockner
parent
b206c669f7
commit
4694fbd776
4 changed files with 0 additions and 199 deletions
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@ -2680,187 +2680,3 @@ void SystemDictionary::post_class_load_event(const Ticks& start_time,
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#endif // INCLUDE_TRACE
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}
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#ifndef PRODUCT
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// statistics code
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class ClassStatistics: AllStatic {
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private:
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static int nclasses; // number of classes
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static int nmethods; // number of methods
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static int nmethoddata; // number of methodData
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static int class_size; // size of class objects in words
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static int method_size; // size of method objects in words
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static int debug_size; // size of debug info in methods
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static int methoddata_size; // size of methodData objects in words
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static void do_class(Klass* k) {
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nclasses++;
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class_size += k->size();
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if (k->oop_is_instance()) {
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InstanceKlass* ik = (InstanceKlass*)k;
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class_size += ik->methods()->size();
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class_size += ik->constants()->size();
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class_size += ik->local_interfaces()->size();
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class_size += ik->transitive_interfaces()->size();
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// We do not have to count implementors, since we only store one!
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// SSS: How should these be accounted now that they have moved?
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// class_size += ik->fields()->length();
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}
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}
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static void do_method(Method* m) {
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nmethods++;
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method_size += m->size();
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// class loader uses same objArray for empty vectors, so don't count these
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if (m->has_stackmap_table()) {
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method_size += m->stackmap_data()->size();
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}
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MethodData* mdo = m->method_data();
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if (mdo != NULL) {
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nmethoddata++;
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methoddata_size += mdo->size();
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}
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}
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public:
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static void print() {
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SystemDictionary::classes_do(do_class);
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SystemDictionary::methods_do(do_method);
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tty->print_cr("Class statistics:");
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tty->print_cr("%d classes (%d bytes)", nclasses, class_size * oopSize);
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tty->print_cr("%d methods (%d bytes = %d base + %d debug info)", nmethods,
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(method_size + debug_size) * oopSize, method_size * oopSize, debug_size * oopSize);
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tty->print_cr("%d methoddata (%d bytes)", nmethoddata, methoddata_size * oopSize);
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}
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};
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int ClassStatistics::nclasses = 0;
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int ClassStatistics::nmethods = 0;
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int ClassStatistics::nmethoddata = 0;
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int ClassStatistics::class_size = 0;
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int ClassStatistics::method_size = 0;
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int ClassStatistics::debug_size = 0;
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int ClassStatistics::methoddata_size = 0;
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void SystemDictionary::print_class_statistics() {
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ResourceMark rm;
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ClassStatistics::print();
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}
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class MethodStatistics: AllStatic {
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public:
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enum {
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max_parameter_size = 10
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};
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private:
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static int _number_of_methods;
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static int _number_of_final_methods;
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static int _number_of_static_methods;
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static int _number_of_native_methods;
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static int _number_of_synchronized_methods;
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static int _number_of_profiled_methods;
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static int _number_of_bytecodes;
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static int _parameter_size_profile[max_parameter_size];
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static int _bytecodes_profile[Bytecodes::number_of_java_codes];
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static void initialize() {
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_number_of_methods = 0;
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_number_of_final_methods = 0;
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_number_of_static_methods = 0;
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_number_of_native_methods = 0;
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_number_of_synchronized_methods = 0;
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_number_of_profiled_methods = 0;
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_number_of_bytecodes = 0;
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for (int i = 0; i < max_parameter_size ; i++) _parameter_size_profile[i] = 0;
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for (int j = 0; j < Bytecodes::number_of_java_codes; j++) _bytecodes_profile [j] = 0;
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};
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static void do_method(Method* m) {
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_number_of_methods++;
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// collect flag info
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if (m->is_final() ) _number_of_final_methods++;
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if (m->is_static() ) _number_of_static_methods++;
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if (m->is_native() ) _number_of_native_methods++;
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if (m->is_synchronized()) _number_of_synchronized_methods++;
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if (m->method_data() != NULL) _number_of_profiled_methods++;
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// collect parameter size info (add one for receiver, if any)
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_parameter_size_profile[MIN2(m->size_of_parameters() + (m->is_static() ? 0 : 1), max_parameter_size - 1)]++;
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// collect bytecodes info
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{
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Thread *thread = Thread::current();
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HandleMark hm(thread);
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BytecodeStream s(methodHandle(thread, m));
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Bytecodes::Code c;
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while ((c = s.next()) >= 0) {
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_number_of_bytecodes++;
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_bytecodes_profile[c]++;
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}
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}
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}
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public:
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static void print() {
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initialize();
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SystemDictionary::methods_do(do_method);
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// generate output
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tty->cr();
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tty->print_cr("Method statistics (static):");
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// flag distribution
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tty->cr();
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tty->print_cr("%6d final methods %6.1f%%", _number_of_final_methods , _number_of_final_methods * 100.0F / _number_of_methods);
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tty->print_cr("%6d static methods %6.1f%%", _number_of_static_methods , _number_of_static_methods * 100.0F / _number_of_methods);
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tty->print_cr("%6d native methods %6.1f%%", _number_of_native_methods , _number_of_native_methods * 100.0F / _number_of_methods);
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tty->print_cr("%6d synchronized methods %6.1f%%", _number_of_synchronized_methods, _number_of_synchronized_methods * 100.0F / _number_of_methods);
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tty->print_cr("%6d profiled methods %6.1f%%", _number_of_profiled_methods, _number_of_profiled_methods * 100.0F / _number_of_methods);
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// parameter size profile
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tty->cr();
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{ int tot = 0;
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int avg = 0;
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for (int i = 0; i < max_parameter_size; i++) {
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int n = _parameter_size_profile[i];
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tot += n;
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avg += n*i;
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tty->print_cr("parameter size = %1d: %6d methods %5.1f%%", i, n, n * 100.0F / _number_of_methods);
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}
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assert(tot == _number_of_methods, "should be the same");
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tty->print_cr(" %6d methods 100.0%%", _number_of_methods);
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tty->print_cr("(average parameter size = %3.1f including receiver, if any)", (float)avg / _number_of_methods);
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}
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// bytecodes profile
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tty->cr();
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{ int tot = 0;
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for (int i = 0; i < Bytecodes::number_of_java_codes; i++) {
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if (Bytecodes::is_defined(i)) {
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Bytecodes::Code c = Bytecodes::cast(i);
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int n = _bytecodes_profile[c];
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tot += n;
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tty->print_cr("%9d %7.3f%% %s", n, n * 100.0F / _number_of_bytecodes, Bytecodes::name(c));
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}
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}
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assert(tot == _number_of_bytecodes, "should be the same");
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tty->print_cr("%9d 100.000%%", _number_of_bytecodes);
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}
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tty->cr();
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}
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};
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int MethodStatistics::_number_of_methods;
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int MethodStatistics::_number_of_final_methods;
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int MethodStatistics::_number_of_static_methods;
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int MethodStatistics::_number_of_native_methods;
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int MethodStatistics::_number_of_synchronized_methods;
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int MethodStatistics::_number_of_profiled_methods;
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int MethodStatistics::_number_of_bytecodes;
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int MethodStatistics::_parameter_size_profile[MethodStatistics::max_parameter_size];
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int MethodStatistics::_bytecodes_profile[Bytecodes::number_of_java_codes];
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void SystemDictionary::print_method_statistics() {
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MethodStatistics::print();
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}
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#endif // PRODUCT
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