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8244660: Code cache sweeper heuristics is broken

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Reviewed-by: thartmann, rehn
This commit is contained in:
Nils Eliasson 2020-06-03 15:26:18 +02:00
parent 06b49fa3f7
commit 99d6bea20d
11 changed files with 76 additions and 130 deletions
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4
src/hotspot/share/runtime/mutexLocker.cpp
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@ -61,6 +61,7 @@ Mutex* SymbolArena_lock = NULL;
Monitor* StringDedupQueue_lock = NULL;
Mutex* StringDedupTable_lock = NULL;
Monitor* CodeCache_lock = NULL;
Monitor* CodeSweeper_lock = NULL;
Mutex* MethodData_lock = NULL;
Mutex* TouchedMethodLog_lock = NULL;
Mutex* RetData_lock = NULL;
@ -232,8 +233,9 @@ void mutex_init() {
def(StringDedupQueue_lock , PaddedMonitor, leaf, true, _safepoint_check_never);
def(StringDedupTable_lock , PaddedMutex , leaf + 1, true, _safepoint_check_never);
}
def(ParGCRareEvent_lock , PaddedMutex , leaf , true, _safepoint_check_always);
def(ParGCRareEvent_lock , PaddedMutex , leaf, true, _safepoint_check_always);
def(CodeCache_lock , PaddedMonitor, special, true, _safepoint_check_never);
def(CodeSweeper_lock , PaddedMonitor, special-2, true, _safepoint_check_never);
def(RawMonitor_lock , PaddedMutex , special, true, _safepoint_check_never);
def(OopMapCacheAlloc_lock , PaddedMutex , leaf, true, _safepoint_check_always); // used for oop_map_cache allocation.