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8037970: make PrintMethodData a diagnostic options

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Make PrintMethodData a diagnostic options for performance investigation

Reviewed-by: kvn, iveresov
This commit is contained in:
Roland Westrelin 2014-03-31 10:35:06 +02:00
parent fa3b0a8f47
commit b21d142f01
10 changed files with 83 additions and 142 deletions
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108
hotspot/src/share/vm/runtime/java.cpp
View file

@ -98,21 +98,14 @@
#endif
#ifndef PRODUCT
// Statistics printing (method invocation histogram)
GrowableArray<Method*>* collected_invoked_methods;
void collect_invoked_methods(Method* m) {
if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) {
collected_invoked_methods->push(m);
}
}
GrowableArray<Method*>* collected_profiled_methods;
int compare_methods(Method** a, Method** b) {
// %%% there can be 32-bit overflow here
return ((*b)->invocation_count() + (*b)->compiled_invocation_count())
- ((*a)->invocation_count() + (*a)->compiled_invocation_count());
}
void collect_profiled_methods(Method* m) {
Thread* thread = Thread::current();
// This HandleMark prevents a huge amount of handles from being added
@ -125,14 +118,54 @@ void collect_profiled_methods(Method* m) {
}
}
void print_method_profiling_data() {
if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData)) {
ResourceMark rm;
HandleMark hm;
collected_profiled_methods = new GrowableArray<Method*>(1024);
ClassLoaderDataGraph::methods_do(collect_profiled_methods);
collected_profiled_methods->sort(&compare_methods);
int compare_methods(Method** a, Method** b) {
// %%% there can be 32-bit overflow here
return ((*b)->invocation_count() + (*b)->compiled_invocation_count())
- ((*a)->invocation_count() + (*a)->compiled_invocation_count());
int count = collected_profiled_methods->length();
int total_size = 0;
if (count > 0) {
for (int index = 0; index < count; index++) {
Method* m = collected_profiled_methods->at(index);
ttyLocker ttyl;
tty->print_cr("------------------------------------------------------------------------");
m->print_invocation_count();
tty->print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes());
tty->cr();
// Dump data on parameters if any
if (m->method_data() != NULL && m->method_data()->parameters_type_data() != NULL) {
tty->fill_to(2);
m->method_data()->parameters_type_data()->print_data_on(tty);
}
m->print_codes();
total_size += m->method_data()->size_in_bytes();
}
tty->print_cr("------------------------------------------------------------------------");
tty->print_cr("Total MDO size: %d bytes", total_size);
}
}
}
#ifndef PRODUCT
// Statistics printing (method invocation histogram)
GrowableArray<Method*>* collected_invoked_methods;
void collect_invoked_methods(Method* m) {
if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) {
collected_invoked_methods->push(m);
}
}
void print_method_invocation_histogram() {
ResourceMark rm;
HandleMark hm;
@ -173,37 +206,6 @@ void print_method_invocation_histogram() {
SharedRuntime::print_call_statistics(comp_total);
}
void print_method_profiling_data() {
ResourceMark rm;
HandleMark hm;
collected_profiled_methods = new GrowableArray<Method*>(1024);
SystemDictionary::methods_do(collect_profiled_methods);
collected_profiled_methods->sort(&compare_methods);
int count = collected_profiled_methods->length();
int total_size = 0;
if (count > 0) {
for (int index = 0; index < count; index++) {
Method* m = collected_profiled_methods->at(index);
ttyLocker ttyl;
tty->print_cr("------------------------------------------------------------------------");
//m->print_name(tty);
m->print_invocation_count();
tty->print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes());
tty->cr();
// Dump data on parameters if any
if (m->method_data() != NULL && m->method_data()->parameters_type_data() != NULL) {
tty->fill_to(2);
m->method_data()->parameters_type_data()->print_data_on(tty);
}
m->print_codes();
total_size += m->method_data()->size_in_bytes();
}
tty->print_cr("------------------------------------------------------------------------");
tty->print_cr("Total MDO size: %d bytes", total_size);
}
}
void print_bytecode_count() {
if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value());
@ -281,9 +283,9 @@ void print_statistics() {
if (CountCompiledCalls) {
print_method_invocation_histogram();
}
if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData)) {
print_method_profiling_data();
}
print_method_profiling_data();
if (TimeCompiler) {
COMPILER2_PRESENT(Compile::print_timers();)
}
@ -373,6 +375,10 @@ void print_statistics() {
void print_statistics() {
if (PrintMethodData) {
print_method_profiling_data();
}
if (CITime) {
CompileBroker::print_times();
}