void BytecodeHistogram::print(float cutoff) {
jlong total = total_count();
jlong absolute_sum = 0;
SortedHistogramEntry* sorted_histogram =
NEW_GLOBAL_HEAP_ARRAY(SortedHistogramEntry, Bytecodes::number_of_java_codes, "BytecodeHistogram");
for (int i = 0; i < Bytecodes::number_of_java_codes; i++) {
sorted_histogram[i].count = counter_at(i);
sorted_histogram[i].code = (Bytecodes::Code) i;
}
jvm_qsort(sorted_histogram, Bytecodes::number_of_java_codes, sizeof(SortedHistogramEntry), compare_entries);
tty->cr();
tty->print_cr("Histogram of executed bytecodes:");
tty->cr();
tty->print_cr(" absolute relative code name");
tty->print_cr("----------------------------------------------------------------------");
if (total > 0) {
for (int i = 0; i < Bytecodes::number_of_java_codes; i++) {
Bytecodes::Code code = sorted_histogram[i].code;
jlong count = sorted_histogram[i].count;
if (Bytecodes::is_defined(code)) {
jlong absolute = count;
float relative = jvm_fdiv(jvm_fmul(jvm_l2f(absolute), 100.0F),
jvm_l2f(total));
if (!jvm_fcmpg(cutoff, relative)) {
tty->print_cr(FLL " %7.2f%% 0x%02x %s",
absolute,
jvm_f2d(relative),
code,
Bytecodes::name(Bytecodes::cast(code)));
absolute_sum += absolute;
}
}
}
}
tty->print_cr("----------------------------------------------------------------------");
if (total > 0) {
float relative_sum = jvm_fdiv(jvm_fmul(jvm_l2f(absolute_sum), 100.0F),
jvm_l2f(total));
tty->print_cr(FLL " %7.2f%% cutoff = %.2f%%",
absolute_sum,
jvm_f2d(relative_sum),
jvm_f2d(cutoff));
tty->print_cr(FLL " %7.2f%% total", total, 100.0, 0.0);
}
tty->cr();
FREE_GLOBAL_HEAP_ARRAY(sorted_histogram, "BytecodeHistogram");
}
void Globals::print_flags(void *_st) {
Stream *st = (Stream*)_st;
// Compute size
int length= 0;
while (flagTable[length].name != NULL) {
length++;
}
// Sort flags alphabetically by name
const JVMFlag** array =
NEW_GLOBAL_HEAP_ARRAY(const JVMFlag*, length, "Global flags sorting");
for (int index = 0; index < length; index++) {
array[index] = &flagTable[index];
}
jvm_qsort(array, length, sizeof(JVMFlag*), compare_flags);
// Print
st->print_cr("\n%-42s %s\n", "\040[Global Flags]", "Default value");
for (int i = 0; i < length; i++) {
array[i]->print_on(st);
}
FREE_GLOBAL_HEAP_ARRAY(array, "Global flags sorting array");
}
