212
213 _thread->heap_sampler().check_for_sampling(obj_h(), size_in_bytes, bytes_since_last);
214 }
215
216 if (_tlab_end_reset_for_sample || _allocated_tlab_size != 0) {
217 // Tell tlab to forget bytes_since_last if we passed it to the heap sampler.
218 _thread->tlab().set_sample_end(bytes_since_last != 0);
219 }
220 }
221
222 void MemAllocator::Allocation::notify_allocation_low_memory_detector() {
223 // support low memory notifications (no-op if not enabled)
224 LowMemoryDetector::detect_low_memory_for_collected_pools();
225 }
226
227 void MemAllocator::Allocation::notify_allocation_jfr_sampler() {
228 HeapWord* mem = (HeapWord*)obj();
229 size_t size_in_bytes = _allocator._word_size * HeapWordSize;
230
231 if (_allocated_outside_tlab) {
232 AllocTracer::send_allocation_outside_tlab(_allocator._klass, mem, size_in_bytes, _thread);
233 } else if (_allocated_tlab_size != 0) {
234 // TLAB was refilled
235 AllocTracer::send_allocation_in_new_tlab(_allocator._klass, mem, _allocated_tlab_size * HeapWordSize,
236 size_in_bytes, _thread);
237 }
238 }
239
240 void MemAllocator::Allocation::notify_allocation_dtrace_sampler() {
241 if (DTraceAllocProbes) {
242 // support for Dtrace object alloc event (no-op most of the time)
243 Klass* klass = _allocator._klass;
244 size_t word_size = _allocator._word_size;
245 if (klass != NULL && klass->name() != NULL) {
246 SharedRuntime::dtrace_object_alloc(obj(), (int)word_size);
247 }
248 }
249 }
250
251 void MemAllocator::Allocation::notify_allocation() {
252 notify_allocation_low_memory_detector();
253 notify_allocation_jfr_sampler();
254 notify_allocation_dtrace_sampler();
255 notify_allocation_jvmti_sampler();
256 }
257
258 HeapWord* MemAllocator::allocate_outside_tlab(Allocation& allocation) const {
259 allocation._allocated_outside_tlab = true;
260 HeapWord* mem = Universe::heap()->mem_allocate(_word_size, &allocation._overhead_limit_exceeded);
261 if (mem == NULL) {
262 return mem;
263 }
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212
213 _thread->heap_sampler().check_for_sampling(obj_h(), size_in_bytes, bytes_since_last);
214 }
215
216 if (_tlab_end_reset_for_sample || _allocated_tlab_size != 0) {
217 // Tell tlab to forget bytes_since_last if we passed it to the heap sampler.
218 _thread->tlab().set_sample_end(bytes_since_last != 0);
219 }
220 }
221
222 void MemAllocator::Allocation::notify_allocation_low_memory_detector() {
223 // support low memory notifications (no-op if not enabled)
224 LowMemoryDetector::detect_low_memory_for_collected_pools();
225 }
226
227 void MemAllocator::Allocation::notify_allocation_jfr_sampler() {
228 HeapWord* mem = (HeapWord*)obj();
229 size_t size_in_bytes = _allocator._word_size * HeapWordSize;
230
231 if (_allocated_outside_tlab) {
232 AllocTracer::send_allocation_outside_tlab(obj()->klass(), mem, size_in_bytes, _thread);
233 } else if (_allocated_tlab_size != 0) {
234 // TLAB was refilled
235 AllocTracer::send_allocation_in_new_tlab(obj()->klass(), mem, _allocated_tlab_size * HeapWordSize,
236 size_in_bytes, _thread);
237 }
238 }
239
240 void MemAllocator::Allocation::notify_allocation_dtrace_sampler() {
241 if (DTraceAllocProbes) {
242 // support for Dtrace object alloc event (no-op most of the time)
243 Klass* klass = obj()->klass();
244 size_t word_size = _allocator._word_size;
245 if (klass != NULL && klass->name() != NULL) {
246 SharedRuntime::dtrace_object_alloc(obj(), (int)word_size);
247 }
248 }
249 }
250
251 void MemAllocator::Allocation::notify_allocation() {
252 notify_allocation_low_memory_detector();
253 notify_allocation_jfr_sampler();
254 notify_allocation_dtrace_sampler();
255 notify_allocation_jvmti_sampler();
256 }
257
258 HeapWord* MemAllocator::allocate_outside_tlab(Allocation& allocation) const {
259 allocation._allocated_outside_tlab = true;
260 HeapWord* mem = Universe::heap()->mem_allocate(_word_size, &allocation._overhead_limit_exceeded);
261 if (mem == NULL) {
262 return mem;
263 }
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