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8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full

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Use separate sweeper thread; enables more aggressive sweeping.

Reviewed-by: kvn, jrose
This commit is contained in:
Albert Noll 2014-10-24 14:25:46 +02:00
parent 2597d484c6
commit 6520320d1a
30 changed files with 319 additions and 334 deletions
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18
hotspot/src/share/vm/code/codeBlob.cpp
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@ -229,8 +229,8 @@ BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) {
return blob;
}
void* BufferBlob::operator new(size_t s, unsigned size, bool is_critical) throw() {
return CodeCache::allocate(size, CodeBlobType::NonNMethod, is_critical);
void* BufferBlob::operator new(size_t s, unsigned size) throw() {
return CodeCache::allocate(size, CodeBlobType::NonNMethod);
}
void BufferBlob::free(BufferBlob *blob) {
@ -260,10 +260,7 @@ AdapterBlob* AdapterBlob::create(CodeBuffer* cb) {
unsigned int size = allocation_size(cb, sizeof(AdapterBlob));
{
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
// The parameter 'true' indicates a critical memory allocation.
// This means that CodeCacheMinimumFreeSpace is used, if necessary
const bool is_critical = true;
blob = new (size, is_critical) AdapterBlob(size, cb);
blob = new (size) AdapterBlob(size, cb);
}
// Track memory usage statistic after releasing CodeCache_lock
MemoryService::track_code_cache_memory_usage();
@ -285,10 +282,7 @@ MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
size += round_to(buffer_size, oopSize);
{
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
// The parameter 'true' indicates a critical memory allocation.
// This means that CodeCacheMinimumFreeSpace is used, if necessary
const bool is_critical = true;
blob = new (size, is_critical) MethodHandlesAdapterBlob(size);
blob = new (size) MethodHandlesAdapterBlob(size);
}
// Track memory usage statistic after releasing CodeCache_lock
MemoryService::track_code_cache_memory_usage();
@ -336,14 +330,14 @@ RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
void* RuntimeStub::operator new(size_t s, unsigned size) throw() {
void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod, true);
void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
if (!p) fatal("Initial size of CodeCache is too small");
return p;
}
// operator new shared by all singletons:
void* SingletonBlob::operator new(size_t s, unsigned size) throw() {
void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod, true);
void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
if (!p) fatal("Initial size of CodeCache is too small");
return p;
}