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8273300: Check Mutex ranking during a safepoint

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Reviewed-by: eosterlund, dholmes, pchilanomate
This commit is contained in:
Coleen Phillimore 2021-09-16 12:01:49 +00:00
parent c86e24d4be
commit 5e4d09c229
12 changed files with 30 additions and 38 deletions
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22
src/hotspot/share/runtime/mutexLocker.cpp
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@ -204,18 +204,18 @@ void assert_locked_or_safepoint_or_handshake(const Mutex* lock, const JavaThread
void mutex_init() {
def(tty_lock , PaddedMutex , tty, true, _safepoint_check_never); // allow to lock in VM
def(CGC_lock , PaddedMonitor, special, true, _safepoint_check_never); // coordinate between fore- and background GC
def(STS_lock , PaddedMonitor, leaf, true, _safepoint_check_never);
if (UseG1GC) {
def(CGC_lock , PaddedMonitor, leaf, true, _safepoint_check_never);
def(G1OldGCCount_lock , PaddedMonitor, leaf, true, _safepoint_check_always);
def(G1DetachedRefinementStats_lock, PaddedMutex, leaf , true, _safepoint_check_never);
def(G1DetachedRefinementStats_lock, PaddedMutex, leaf-2, true, _safepoint_check_never);
def(FreeList_lock , PaddedMutex , leaf , true, _safepoint_check_never);
def(OldSets_lock , PaddedMutex , leaf , true, _safepoint_check_never);
def(Uncommit_lock , PaddedMutex , leaf + 1 , true, _safepoint_check_never);
def(RootRegionScan_lock , PaddedMonitor, leaf , true, _safepoint_check_never);
def(FreeList_lock , PaddedMutex , service-1, true, _safepoint_check_never);
def(OldSets_lock , PaddedMutex , leaf, true, _safepoint_check_never);
def(Uncommit_lock , PaddedMutex , service-2, true, _safepoint_check_never);
def(RootRegionScan_lock , PaddedMonitor, leaf-1, true, _safepoint_check_never);
def(MarkStackFreeList_lock , PaddedMutex , leaf , true, _safepoint_check_never);
def(MarkStackChunkList_lock , PaddedMutex , leaf , true, _safepoint_check_never);
@ -230,7 +230,7 @@ void mutex_init() {
def(RawMonitor_lock , PaddedMutex , special, true, _safepoint_check_never);
def(OopMapCacheAlloc_lock , PaddedMutex , leaf, true, _safepoint_check_always); // used for oop_map_cache allocation.
def(Metaspace_lock , PaddedMutex , leaf-1, true, _safepoint_check_never);
def(Metaspace_lock , PaddedMutex , leaf-3, true, _safepoint_check_never);
def(ClassLoaderDataGraph_lock , PaddedMutex , nonleaf, false, _safepoint_check_always);
def(Patching_lock , PaddedMutex , special, true, _safepoint_check_never); // used for safepointing and code patching.
@ -265,14 +265,14 @@ void mutex_init() {
def(PerfDataManager_lock , PaddedMutex , leaf, true, _safepoint_check_always); // used for synchronized access to PerfDataManager resources
def(Threads_lock , PaddedMonitor, barrier, true, _safepoint_check_always); // Used for safepoint protocol.
def(NonJavaThreadsList_lock , PaddedMutex, barrier, true, _safepoint_check_never);
def(NonJavaThreadsList_lock , PaddedMutex, leaf-1, true, _safepoint_check_never);
def(NonJavaThreadsListSync_lock , PaddedMutex, leaf, true, _safepoint_check_never);
def(VMOperation_lock , PaddedMonitor, nonleaf, true, _safepoint_check_always); // VM_thread allowed to block on these
def(RetData_lock , PaddedMutex , nonleaf, false, _safepoint_check_always);
def(Terminator_lock , PaddedMonitor, nonleaf, true, _safepoint_check_always);
def(InitCompleted_lock , PaddedMonitor, leaf, true, _safepoint_check_never);
def(VtableStubs_lock , PaddedMutex , leaf, true, _safepoint_check_never);
def(VtableStubs_lock , PaddedMutex , leaf-2, true, _safepoint_check_never);
def(Notify_lock , PaddedMonitor, nonleaf, true, _safepoint_check_always);
def(JNICritical_lock , PaddedMonitor, nonleaf, true, _safepoint_check_always); // used for JNI critical regions
def(AdapterHandlerLibrary_lock , PaddedMutex , nonleaf, true, _safepoint_check_always);
@ -300,7 +300,7 @@ void mutex_init() {
def(PeriodicTask_lock , PaddedMonitor, nonleaf+5, true, _safepoint_check_always);
def(RedefineClasses_lock , PaddedMonitor, nonleaf+5, true, _safepoint_check_always);
def(Verify_lock , PaddedMutex, nonleaf+5, true, _safepoint_check_always);
def(Zip_lock , PaddedMonitor, leaf, true, _safepoint_check_never);
def(Zip_lock , PaddedMonitor, leaf-2, true, _safepoint_check_never);
if (WhiteBoxAPI) {
def(Compilation_lock , PaddedMonitor, leaf, true, _safepoint_check_never);
@ -330,7 +330,7 @@ void mutex_init() {
#if INCLUDE_JVMTI
def(CDSClassFileStream_lock , PaddedMutex , max_nonleaf, false, _safepoint_check_always);
#endif
def(DumpTimeTable_lock , PaddedMutex , leaf - 1, true, _safepoint_check_never);
def(DumpTimeTable_lock , PaddedMutex , leaf-1, true, _safepoint_check_never);
def(CDSLambda_lock , PaddedMutex , leaf, true, _safepoint_check_never);
def(DumpRegion_lock , PaddedMutex , leaf, true, _safepoint_check_never);
def(ClassListFile_lock , PaddedMutex , leaf, true, _safepoint_check_never);