210
211 _thread->heap_sampler().check_for_sampling(obj_h(), size_in_bytes, bytes_since_last);
212 }
213
214 if (_tlab_end_reset_for_sample || _allocated_tlab_size != 0) {
215 // Tell tlab to forget bytes_since_last if we passed it to the heap sampler.
216 _thread->tlab().set_sample_end(bytes_since_last != 0);
217 }
218 }
219
220 void MemAllocator::Allocation::notify_allocation_low_memory_detector() {
221 // support low memory notifications (no-op if not enabled)
222 LowMemoryDetector::detect_low_memory_for_collected_pools();
223 }
224
225 void MemAllocator::Allocation::notify_allocation_jfr_sampler() {
226 HeapWord* mem = (HeapWord*)obj();
227 size_t size_in_bytes = _allocator._word_size * HeapWordSize;
228
229 if (_allocated_outside_tlab) {
230 AllocTracer::send_allocation_outside_tlab(_allocator._klass, mem, size_in_bytes, _thread);
231 } else if (_allocated_tlab_size != 0) {
232 // TLAB was refilled
233 AllocTracer::send_allocation_in_new_tlab(_allocator._klass, mem, _allocated_tlab_size * HeapWordSize,
234 size_in_bytes, _thread);
235 }
236 }
237
238 void MemAllocator::Allocation::notify_allocation_dtrace_sampler() {
239 if (DTraceAllocProbes) {
240 // support for Dtrace object alloc event (no-op most of the time)
241 Klass* klass = _allocator._klass;
242 size_t word_size = _allocator._word_size;
243 if (klass != NULL && klass->name() != NULL) {
244 SharedRuntime::dtrace_object_alloc(obj(), (int)word_size);
245 }
246 }
247 }
248
249 void MemAllocator::Allocation::notify_allocation() {
250 notify_allocation_low_memory_detector();
251 notify_allocation_jfr_sampler();
252 notify_allocation_dtrace_sampler();
253 notify_allocation_jvmti_sampler();
254 }
255
256 HeapWord* MemAllocator::allocate_outside_tlab(Allocation& allocation) const {
257 allocation._allocated_outside_tlab = true;
258 HeapWord* mem = Universe::heap()->mem_allocate(_word_size, &allocation._overhead_limit_exceeded);
259 if (mem == NULL) {
260 return mem;
261 }
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210
211 _thread->heap_sampler().check_for_sampling(obj_h(), size_in_bytes, bytes_since_last);
212 }
213
214 if (_tlab_end_reset_for_sample || _allocated_tlab_size != 0) {
215 // Tell tlab to forget bytes_since_last if we passed it to the heap sampler.
216 _thread->tlab().set_sample_end(bytes_since_last != 0);
217 }
218 }
219
220 void MemAllocator::Allocation::notify_allocation_low_memory_detector() {
221 // support low memory notifications (no-op if not enabled)
222 LowMemoryDetector::detect_low_memory_for_collected_pools();
223 }
224
225 void MemAllocator::Allocation::notify_allocation_jfr_sampler() {
226 HeapWord* mem = (HeapWord*)obj();
227 size_t size_in_bytes = _allocator._word_size * HeapWordSize;
228
229 if (_allocated_outside_tlab) {
230 AllocTracer::send_allocation_outside_tlab(obj()->klass(), mem, size_in_bytes, _thread);
231 } else if (_allocated_tlab_size != 0) {
232 // TLAB was refilled
233 AllocTracer::send_allocation_in_new_tlab(obj()->klass(), mem, _allocated_tlab_size * HeapWordSize,
234 size_in_bytes, _thread);
235 }
236 }
237
238 void MemAllocator::Allocation::notify_allocation_dtrace_sampler() {
239 if (DTraceAllocProbes) {
240 // support for Dtrace object alloc event (no-op most of the time)
241 Klass* klass = obj()->klass();
242 size_t word_size = _allocator._word_size;
243 if (klass != NULL && klass->name() != NULL) {
244 SharedRuntime::dtrace_object_alloc(obj(), (int)word_size);
245 }
246 }
247 }
248
249 void MemAllocator::Allocation::notify_allocation() {
250 notify_allocation_low_memory_detector();
251 notify_allocation_jfr_sampler();
252 notify_allocation_dtrace_sampler();
253 notify_allocation_jvmti_sampler();
254 }
255
256 HeapWord* MemAllocator::allocate_outside_tlab(Allocation& allocation) const {
257 allocation._allocated_outside_tlab = true;
258 HeapWord* mem = Universe::heap()->mem_allocate(_word_size, &allocation._overhead_limit_exceeded);
259 if (mem == NULL) {
260 return mem;
261 }
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