1 /* 2 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAHALLOCTRACKER_HPP 25 #define SHARE_VM_GC_SHENANDOAH_SHENANDOAHALLOCTRACKER_HPP 26 27 #include "gc/shenandoah/shenandoahAllocRequest.hpp" 28 #include "gc/shenandoah/shenandoahNumberSeq.hpp" 29 #include "memory/allocation.hpp" 30 #include "utilities/ostream.hpp" 31 32 class ShenandoahAllocTracker : public CHeapObj<mtGC> { 33 private: 34 BinaryMagnitudeSeq _alloc_size[ShenandoahAllocRequest::_ALLOC_LIMIT]; 35 BinaryMagnitudeSeq _alloc_latency[ShenandoahAllocRequest::_ALLOC_LIMIT]; 36 37 public: 38 void record_alloc_latency(size_t words_size, 39 ShenandoahAllocRequest::Type _alloc_type, 40 double latency_us) { 41 _alloc_size[_alloc_type].add(words_size); 42 _alloc_latency[_alloc_type].add((size_t)latency_us); 43 } 44 45 void print_on(outputStream* out) const; 46 }; 47 48 #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHALLOCTRACKER_HPP