Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/safepoint.hpp
src/share/vm/runtime/safepoint.hpp
- changeset 2138
- d5d065957597
- parent 2082
- da877bdc9000
- child 2314
- f95d63e2154a
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| 2137:f353275af40e | 2138:d5d065957597 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 145 | 145 |
| 146 // VM Thread interface for determining safepoint rate | 146 // VM Thread interface for determining safepoint rate |
| 147 static long last_non_safepoint_interval() { | 147 static long last_non_safepoint_interval() { |
| 148 return os::javaTimeMillis() - _end_of_last_safepoint; | 148 return os::javaTimeMillis() - _end_of_last_safepoint; |
| 149 } | 149 } |
| 150 static long end_of_last_safepoint() { | |
| 151 return _end_of_last_safepoint; | |
| 152 } | |
| 150 static bool is_cleanup_needed(); | 153 static bool is_cleanup_needed(); |
| 151 static void do_cleanup_tasks(); | 154 static void do_cleanup_tasks(); |
| 152 | 155 |
| 153 // debugging | 156 // debugging |
| 154 static void print_state() PRODUCT_RETURN; | 157 static void print_state() PRODUCT_RETURN; |
| 226 va_end(ap); | 229 va_end(ap); |
| 227 } | 230 } |
| 228 } | 231 } |
| 229 }; | 232 }; |
| 230 | 233 |
| 231 // | 234 |
| 232 // CounterDecay | |
| 233 // | |
| 234 // Interates through invocation counters and decrements them. This | |
| 235 // is done at each safepoint. | |
| 236 // | |
| 237 class CounterDecay : public AllStatic { | |
| 238 static jlong _last_timestamp; | |
| 239 public: | |
| 240 static void decay(); | |
| 241 static bool is_decay_needed() { return (os::javaTimeMillis() - _last_timestamp) > CounterDecayMinIntervalLength; } | |
| 242 }; |
