| 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 | |
| 29 | MethodCounters* 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 | |
| 34 | void 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 | |
| 49 | int MethodCounters::highest_comp_level() const { |
| 50 | #ifdef TIERED |
| 51 | return _highest_comp_level; |
| 52 | #else |
| 53 | return CompLevel_none; |
| 54 | #endif |
| 55 | } |
| 56 | |
| 57 | void MethodCounters::set_highest_comp_level(int level) { |
| 58 | #ifdef TIERED |
| 59 | _highest_comp_level = level; |
| 60 | #endif |
| 61 | } |
| 62 | |
| 63 | int 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 | |
| 71 | void MethodCounters::set_highest_osr_comp_level(int level) { |
| 72 | #ifdef TIERED |
| 73 | _highest_osr_comp_level = level; |
| 74 | #endif |
| 75 | } |
| 76 | |
| 77 | void 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 | |
| 84 | void 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 | |