void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
if (!UnlockDiagnosticVMOptions) {
output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
return;
}
VM_GC_HeapInspection heapop(output(),
true /* request_full_gc */);
heapop.set_csv_format(_csv.value());
heapop.set_print_help(_help.value());
heapop.set_print_class_stats(true);
if (_all.value()) {
if (_columns.has_value()) {
output()->print_cr("Cannot specify -all and individual columns at the same time");
return;
} else {
heapop.set_columns(NULL);
}
} else {
if (_columns.has_value()) {
heapop.set_columns(_columns.value());
} else {
heapop.set_columns(DEFAULT_COLUMNS);
}
}
VMThread::execute(&heapop);
}
// Implementation of "inspectheap" command
// See also: ClassHistogramDCmd class
//
// Input arguments :-
// arg0: "-live" or "-all"
static jint heap_inspection(AttachOperation* op, outputStream* out) {
bool live_objects_only = true; // default is true to retain the behavior before this change is made
const char* arg0 = op->arg(0);
if (arg0 != NULL && (strlen(arg0) > 0)) {
if (strcmp(arg0, "-all") != 0 && strcmp(arg0, "-live") != 0) {
out->print_cr("Invalid argument to inspectheap operation: %s", arg0);
return JNI_ERR;
}
live_objects_only = strcmp(arg0, "-live") == 0;
}
VM_GC_HeapInspection heapop(out, live_objects_only /* request full gc */, true /* need_prologue */);
VMThread::execute(&heapop);
return JNI_OK;
}
void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
VM_GC_HeapInspection heapop(output(),
!_all.value() /* request full gc if false */);
VMThread::execute(&heapop);
}
void ClassHistogramDCmd::execute(TRAPS) {
VM_GC_HeapInspection heapop(output(),
!_all.value() /* request full gc if false */,
true /* need_prologue */);
VMThread::execute(&heapop);
}