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8275718: Relax memory constraint on exception counter updates

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Reviewed-by: dholmes, minqi
This commit is contained in:
Zhengyu Gu 2021-11-04 19:40:22 +00:00
parent 99d4b07cdd
commit 2b5a32c73f
1 changed files with 5 additions and 5 deletions
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10
src/hotspot/share/utilities/exceptions.cpp
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@ -166,7 +166,7 @@ void Exceptions::_throw(JavaThread* thread, const char* file, int line, Handle h
}
if (h_exception->is_a(vmClasses::LinkageError_klass())) {
Atomic::inc(&_linkage_errors);
Atomic::inc(&_linkage_errors, memory_order_relaxed);
}
assert(h_exception->is_a(vmClasses::Throwable_klass()), "exception is not a subclass of java/lang/Throwable");
@ -242,7 +242,7 @@ void Exceptions::throw_stack_overflow_exception(JavaThread* THREAD, const char*
java_lang_Throwable::fill_in_stack_trace(exception, method);
}
// Increment counter for hs_err file reporting
Atomic::inc(&Exceptions::_stack_overflow_errors);
Atomic::inc(&Exceptions::_stack_overflow_errors, memory_order_relaxed);
} else {
// if prior exception, throw that one instead
exception = Handle(THREAD, THREAD->pending_exception());
@ -462,12 +462,12 @@ volatile int Exceptions::_out_of_memory_error_class_metaspace_errors = 0;
void Exceptions::count_out_of_memory_exceptions(Handle exception) {
if (exception() == Universe::out_of_memory_error_metaspace()) {
Atomic::inc(&_out_of_memory_error_metaspace_errors);
Atomic::inc(&_out_of_memory_error_metaspace_errors, memory_order_relaxed);
} else if (exception() == Universe::out_of_memory_error_class_metaspace()) {
Atomic::inc(&_out_of_memory_error_class_metaspace_errors);
Atomic::inc(&_out_of_memory_error_class_metaspace_errors, memory_order_relaxed);
} else {
// everything else reported as java heap OOM
Atomic::inc(&_out_of_memory_error_java_heap_errors);
Atomic::inc(&_out_of_memory_error_java_heap_errors, memory_order_relaxed);
}
}