1/* 2 * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24#include "precompiled.hpp" 25#include "memory/metaspaceClosure.hpp" 26#include "oops/methodCounters.hpp" 27#include "runtime/handles.inline.hpp" 28 29MethodCounters* MethodCounters::allocate(const methodHandle& mh, TRAPS) { 30 ClassLoaderData* loader_data = mh->method_holder()->class_loader_data(); 31 return new(loader_data, method_counters_size(), MetaspaceObj::MethodCountersType, THREAD) MethodCounters(mh); 32} 33 34void MethodCounters::clear_counters() { 35 invocation_counter()->reset(); 36 backedge_counter()->reset(); 37 set_interpreter_throwout_count(0); 38 set_interpreter_invocation_count(0); 39 set_nmethod_age(INT_MAX); 40#ifdef TIERED 41 set_prev_time(0); 42 set_rate(0); 43 set_highest_comp_level(0); 44 set_highest_osr_comp_level(0); 45#endif 46} 47 48 49int MethodCounters::highest_comp_level() const { 50#ifdef TIERED 51 return _highest_comp_level; 52#else 53 return CompLevel_none; 54#endif 55} 56 57void MethodCounters::set_highest_comp_level(int level) { 58#ifdef TIERED 59 _highest_comp_level = level; 60#endif 61} 62 63int MethodCounters::highest_osr_comp_level() const { 64#ifdef TIERED 65 return _highest_osr_comp_level; 66#else 67 return CompLevel_none; 68#endif 69} 70 71void MethodCounters::set_highest_osr_comp_level(int level) { 72#ifdef TIERED 73 _highest_osr_comp_level = level; 74#endif 75} 76 77void MethodCounters::metaspace_pointers_do(MetaspaceClosure* it) { 78 log_trace(cds)("Iter(MethodCounters): %p", this); 79#if INCLUDE_AOT 80 it->push(&_method); 81#endif 82} 83 84void MethodCounters::print_value_on(outputStream* st) const { 85 assert(is_methodCounters(), "must be methodCounters"); 86 st->print("method counters"); 87 print_address_on(st); 88} 89 90 91