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comparison src/share/vm/services/lowMemoryDetector.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents bf8517f4e4d0
children 203f64878aab
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2003, 2012, 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.
293 293
294 void SensorInfo::trigger(int count, TRAPS) { 294 void SensorInfo::trigger(int count, TRAPS) {
295 assert(count <= _pending_trigger_count, "just checking"); 295 assert(count <= _pending_trigger_count, "just checking");
296 296
297 if (_sensor_obj != NULL) { 297 if (_sensor_obj != NULL) {
298 klassOop k = Management::sun_management_Sensor_klass(CHECK); 298 Klass* k = Management::sun_management_Sensor_klass(CHECK);
299 instanceKlassHandle sensorKlass (THREAD, k); 299 instanceKlassHandle sensorKlass (THREAD, k);
300 Handle sensor_h(THREAD, _sensor_obj); 300 Handle sensor_h(THREAD, _sensor_obj);
301 Handle usage_h = MemoryService::create_MemoryUsage_obj(_usage, CHECK); 301 Handle usage_h = MemoryService::create_MemoryUsage_obj(_usage, CHECK);
302 302
303 JavaValue result(T_VOID); 303 JavaValue result(T_VOID);
322 } 322 }
323 } 323 }
324 324
325 void SensorInfo::clear(int count, TRAPS) { 325 void SensorInfo::clear(int count, TRAPS) {
326 if (_sensor_obj != NULL) { 326 if (_sensor_obj != NULL) {
327 klassOop k = Management::sun_management_Sensor_klass(CHECK); 327 Klass* k = Management::sun_management_Sensor_klass(CHECK);
328 instanceKlassHandle sensorKlass (THREAD, k); 328 instanceKlassHandle sensorKlass (THREAD, k);
329 Handle sensor(THREAD, _sensor_obj); 329 Handle sensor(THREAD, _sensor_obj);
330 330
331 JavaValue result(T_VOID); 331 JavaValue result(T_VOID);
332 JavaCallArguments args(sensor); 332 JavaCallArguments args(sensor);