Lowest locks:
def(PerfDataMemAlloc_lock         , PaddedMutex , Heap_lock->rank()-1, leaf      , _safepoint_check_always, true);
def(ConcurrentGCBreakpoints_lock  , PaddedMonitor, nonleaf             , nonleaf   , _safepoint_check_always, true);
def(MDO extra data lock           , PaddedMutex , Compile_lock->rank()-1, leaf      , _safepoint_check_always, false);
def(Parallel heap iteration data merge lock, PaddedMutex , nonleaf             , leaf      , _safepoint_check_always, false);
def(ShenandoahRequestedGC_lock    , PaddedMonitor, nonleaf             , leaf      , _safepoint_check_always, true);
def(ClassLoaderDataGraph_lock     , PaddedMutex , MultiArray_lock->rank()-1, nonleaf   , _safepoint_check_always, false);
def(PerfDataManager_lock          , PaddedMutex , Heap_lock->rank()-1, leaf      , _safepoint_check_always, true);
def(CDSClassFileStream_lock       , PaddedMutex , nonleaf             , nonleaf+200, _safepoint_check_always, false);
def(AdapterHandlerLibrary_lock    , PaddedMutex , nonleaf             , nonleaf   , _safepoint_check_always, true);
def(BeforeExit_lock               , PaddedMonitor, nonleaf             , leaf      , _safepoint_check_always, true);
def(CodeHeapStateAnalytics_lock   , PaddedMutex , nonleaf             , nonleaf+6 , _safepoint_check_always, false);
def(MethodCompileQueue_lock       , PaddedMonitor, nonleaf             , nonleaf+4 , _safepoint_check_always, false);
def(RetData_lock                  , PaddedMutex , nonleaf             , nonleaf   , _safepoint_check_always, false);
def(MultiArray_lock               , PaddedMutex , nonleaf             , nonleaf+2 , _safepoint_check_always, false);
def(SignatureHandlerLibrary_lock  , PaddedMutex , nonleaf             , leaf      , _safepoint_check_always, false);
def(MethodData_lock               , PaddedMutex , nonleaf             , nonleaf+3 , _safepoint_check_always, false);
def(CompileStatistics_lock        , PaddedMutex , nonleaf             , nonleaf+2 , _safepoint_check_always, false);
def(VMOperation_lock              , PaddedMonitor, Compile_lock->rank()-1, nonleaf   , _safepoint_check_always, true);
def(ThreadIdTableCreate_lock      , PaddedMutex , nonleaf             , leaf      , _safepoint_check_always, false);
def(_wait_monitor                 , PaddedMonitor, PeriodicTask_lock->rank()-1, leaf      , _safepoint_check_always, true);
def(HeapRegion par alloc lock     , PaddedMutex , Heap_lock->rank()-1, leaf      , _safepoint_check_always, true);
def(Verify_lock                   , PaddedMutex , nonleaf             , nonleaf+5 , _safepoint_check_always, true);
def(ClassInitError_lock           , PaddedMonitor, Threads_lock->rank()-1, nosafepoint-1, _safepoint_check_always, true);
def(G1OldGCCount_lock             , PaddedMonitor, Threads_lock->rank()-1, leaf      , _safepoint_check_always, true);
def(Management_lock               , PaddedMutex , nonleaf             , nonleaf+2 , _safepoint_check_always, false);
def(Terminator_lock               , PaddedMonitor, nonleaf             , nonleaf   , _safepoint_check_always, true);
def(CompileTaskAlloc_lock         , PaddedMutex , MethodCompileQueue_lock->rank()-1, nonleaf+2 , _safepoint_check_always, true);
def(ExpandHeap_lock               , PaddedMutex , Heap_lock->rank()-1, leaf      , _safepoint_check_always, true);
def(OopMapCacheAlloc_lock         , PaddedMutex , nonleaf             , leaf      , _safepoint_check_always, true);
def(JNICritical_lock              , PaddedMonitor, nonleaf             , nonleaf   , _safepoint_check_always, true);
def(Heap_lock                     , PaddedMonitor, PeriodicTask_lock->rank()-1, nonleaf+1 , _safepoint_check_always, false);
def(NMTQuery_lock                 , PaddedMutex , nonleaf             , nonleaf+200, _safepoint_check_always, false);
def(PeriodicTask_lock             , PaddedMonitor, nonleaf             , nonleaf+5 , _safepoint_check_always, true);
def(CompileTaskLock               , PaddedMonitor, nonleaf             , nonleaf+2 , _safepoint_check_always, false);
def(Notify_lock                   , PaddedMonitor, nonleaf             , nonleaf   , _safepoint_check_always, true);
def(ExceptionCache_lock           , PaddedMutex , nonleaf             , leaf      , _safepoint_check_always, false);
def(RedefineClasses_lock          , PaddedMonitor, nonleaf             , nonleaf+5 , _safepoint_check_always, true);
def(Module_lock                   , PaddedMutex , MultiArray_lock->rank()-1, nosafepoint, _safepoint_check_always, false);
def(ShenandoahAllocFailureGC_lock , PaddedMonitor, MultiArray_lock->rank()-1, leaf      , _safepoint_check_always, true);
def(LambdaFormInvokers_lock       , PaddedMutex , nonleaf             , nonleaf+2 , _safepoint_check_always, false);
def(JfieldIdCreation_lock         , PaddedMutex , nonleaf             , nonleaf+1 , _safepoint_check_always, true);
def(JvmtiThreadState_lock         , PaddedMutex , nonleaf             , nonleaf+2 , _safepoint_check_always, false);
def(FullGCALot_lock               , PaddedMutex , nonleaf             , leaf      , _safepoint_check_always, false);
def(CompileThread_lock            , PaddedMonitor, nonleaf             , nonleaf+5 , _safepoint_check_always, false);
def(JVMCI_lock                    , PaddedMonitor, nonleaf             , nonleaf+2 , _safepoint_check_always, true);
def(JfrMsg_lock                   , PaddedMonitor, nonleaf             , leaf      , _safepoint_check_always, true);
def(Threads_lock                  , PaddedMonitor, CompileThread_lock->rank()-1, barrier   , _safepoint_check_always, true);
def(SystemDictionary_lock         , PaddedMonitor, Compile_lock->rank()-1, leaf      , _safepoint_check_always, true);
def(Compile_lock                  , PaddedMutex , MethodCompileQueue_lock->rank()-1, nonleaf+3 , _safepoint_check_always, false);