void MemProfiler::do_trace() {
// Calculate thread local sizes
size_t handles_memory_usage = VMThread::vm_thread()->handle_area()->size_in_bytes();
size_t resource_memory_usage = VMThread::vm_thread()->resource_area()->size_in_bytes();
JavaThread *cur = Threads::first();
while (cur != NULL) {
handles_memory_usage += cur->handle_area()->size_in_bytes();
resource_memory_usage += cur->resource_area()->size_in_bytes();
cur = cur->next();
}
// Print trace line in log
fprintf(_log_fp, "%6.1f,%5d,%5d," UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) ",",
os::elapsedTime(),
Threads::number_of_threads(),
SystemDictionary::number_of_classes(),
Universe::heap()->used() / K,
Universe::heap()->capacity() / K);
fprintf(_log_fp, UINTX_FORMAT_W(6) ",", CodeCache::capacity() / K);
fprintf(_log_fp, UINTX_FORMAT_W(6) "," UINTX_FORMAT_W(6) ",%6ld\n",
handles_memory_usage / K,
resource_memory_usage / K,
OopMapCache::memory_usage() / K);
fflush(_log_fp);
}
void JavaCalls::call_helper(JavaValue* result, methodHandle* m, JavaCallArguments* args, TRAPS) {
methodHandle method = *m;
JavaThread* thread = (JavaThread*)THREAD;
assert(thread->is_Java_thread(), "must be called by a java thread");
assert(method.not_null(), "must have a method to call");
assert(!SafepointSynchronize::is_at_safepoint(), "call to Java code during VM operation");
assert(!thread->handle_area()->no_handle_mark_active(), "cannot call out to Java here");
CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops();)
void JavaCalls::call_helper(JavaValue* result, const methodHandle& method, JavaCallArguments* args, TRAPS) {
// During dumping, Java execution environment is not fully initialized. Also, Java execution
// may cause undesirable side-effects in the class metadata.
assert(!DumpSharedSpaces, "must not execute Java bytecodes when dumping");
JavaThread* thread = (JavaThread*)THREAD;
assert(thread->is_Java_thread(), "must be called by a java thread");
assert(method.not_null(), "must have a method to call");
assert(!SafepointSynchronize::is_at_safepoint(), "call to Java code during VM operation");
assert(!thread->handle_area()->no_handle_mark_active(), "cannot call out to Java here");
CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops();)