Fix various test issues.
/*
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* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "precompiled.hpp"
#include "logging/log.hpp"
#include "memory/metaspace.hpp"
#include "memory/metaspaceTracer.hpp"
#include "memory/metaspace/chunkAllocSequence.hpp"
#include "memory/metaspace/chunkManager.hpp"
#include "memory/metaspace/classLoaderMetaspace.hpp"
#include "memory/metaspace/internStat.hpp"
#include "memory/metaspace/metaspaceEnums.hpp"
#include "memory/metaspace/metaspaceStatistics.hpp"
#include "memory/metaspace/runningCounters.hpp"
#include "memory/metaspace/settings.hpp"
#include "memory/metaspace/spaceManager.hpp"
#include "runtime/atomic.hpp"
#include "utilities/debug.hpp"
namespace metaspace {
static bool use_class_space(bool is_class) {
if (Metaspace::using_class_space()) {
if (is_class) {
return true;
}
}
return false;
}
static bool use_class_space(MetadataType mdType) {
return use_class_space(is_class(mdType));
}
ClassLoaderMetaspace::ClassLoaderMetaspace(Mutex* lock, MetaspaceType space_type)
: _lock(lock)
, _space_type(space_type)
, _non_class_space_manager(NULL)
, _class_space_manager(NULL)
{
// Initialize non-class spacemanager
_non_class_space_manager = new SpaceManager(
ChunkManager::chunkmanager_nonclass(),
ChunkAllocSequence::alloc_sequence_by_space_type(space_type, false),
lock,
RunningCounters::used_nonclass_counter(),
"non-class sm");
// If needed, initialize class spacemanager
if (Metaspace::using_class_space()) {
_class_space_manager = new SpaceManager(
ChunkManager::chunkmanager_class(),
ChunkAllocSequence::alloc_sequence_by_space_type(space_type, true),
lock,
RunningCounters::used_class_counter(),
"class sm");
}
#ifdef ASSERT
InternalStats::inc_num_metaspace_births();
if (_space_type == metaspace::UnsafeAnonymousMetaspaceType) {
InternalStats::inc_num_anon_cld_births();
}
#endif
}
ClassLoaderMetaspace::~ClassLoaderMetaspace() {
Metaspace::assert_not_frozen();
delete _non_class_space_manager;
delete _class_space_manager;
#ifdef ASSERT
InternalStats::inc_num_metaspace_deaths();
if (_space_type == metaspace::UnsafeAnonymousMetaspaceType) {
InternalStats::inc_num_anon_cld_deaths();
}
#endif
}
// Allocate word_size words from Metaspace.
MetaWord* ClassLoaderMetaspace::allocate(size_t word_size, MetadataType mdType) {
Metaspace::assert_not_frozen();
if (use_class_space(mdType)) {
return class_space_manager()->allocate(word_size);
} else {
return non_class_space_manager()->allocate(word_size);
}
}
// Attempt to expand the GC threshold to be good for at least another word_size words
// and allocate. Returns NULL if failure. Used during Metaspace GC.
MetaWord* ClassLoaderMetaspace::expand_and_allocate(size_t word_size, MetadataType mdType) {
Metaspace::assert_not_frozen();
size_t delta_bytes = MetaspaceGC::delta_capacity_until_GC(word_size * BytesPerWord);
assert(delta_bytes > 0, "Must be");
size_t before = 0;
size_t after = 0;
bool can_retry = true;
MetaWord* res;
bool incremented;
// Each thread increments the HWM at most once. Even if the thread fails to increment
// the HWM, an allocation is still attempted. This is because another thread must then
// have incremented the HWM and therefore the allocation might still succeed.
do {
incremented = MetaspaceGC::inc_capacity_until_GC(delta_bytes, &after, &before, &can_retry);
res = allocate(word_size, mdType);
} while (!incremented && res == NULL && can_retry);
if (incremented) {
Metaspace::tracer()->report_gc_threshold(before, after,
MetaspaceGCThresholdUpdater::ExpandAndAllocate);
log_trace(gc, metaspace)("Increase capacity to GC from " SIZE_FORMAT " to " SIZE_FORMAT, before, after);
}
return res;
}
// Prematurely returns a metaspace allocation to the _block_freelists
// because it is not needed anymore.
void ClassLoaderMetaspace::deallocate(MetaWord* ptr, size_t word_size, bool is_class) {
Metaspace::assert_not_frozen();
if (use_class_space(is_class)) {
class_space_manager()->deallocate(ptr, word_size);
} else {
non_class_space_manager()->deallocate(ptr, word_size);
}
DEBUG_ONLY(InternalStats::inc_num_deallocs();)
}
// Update statistics. This walks all in-use chunks.
void ClassLoaderMetaspace::add_to_statistics(clms_stats_t* out) const {
if (non_class_space_manager() != NULL) {
non_class_space_manager()->add_to_statistics(&out->sm_stats_nonclass);
}
if (class_space_manager() != NULL) {
class_space_manager()->add_to_statistics(&out->sm_stats_class);
}
}
#ifdef ASSERT
void ClassLoaderMetaspace::verify() const {
check_valid_spacetype(_space_type);
if (non_class_space_manager() != NULL) {
non_class_space_manager()->verify();
}
if (class_space_manager() != NULL) {
class_space_manager()->verify();
}
}
#endif // ASSERT
} // end namespace metaspace