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
allocate(const methodHandle & mh,TRAPS)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
clear_counters()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
highest_comp_level() const49 int MethodCounters::highest_comp_level() const {
50 #ifdef TIERED
51 return _highest_comp_level;
52 #else
53 return CompLevel_none;
54 #endif
55 }
56
set_highest_comp_level(int level)57 void MethodCounters::set_highest_comp_level(int level) {
58 #ifdef TIERED
59 _highest_comp_level = level;
60 #endif
61 }
62
highest_osr_comp_level() const63 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
set_highest_osr_comp_level(int level)71 void MethodCounters::set_highest_osr_comp_level(int level) {
72 #ifdef TIERED
73 _highest_osr_comp_level = level;
74 #endif
75 }
76
metaspace_pointers_do(MetaspaceClosure * it)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
print_value_on(outputStream * st) const84 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