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comparison src/share/vm/gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.cpp @ 1387:0bfd3fb24150

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6858496: Clear all SoftReferences before an out-of-memory due to GC overhead limit. Summary: Ensure a full GC that clears SoftReferences before throwing an out-of-memory Reviewed-by: ysr, jcoomes
author jmasa
date Tue, 13 Apr 2010 13:52:10 -0700
parents 473cce303f13
children c18cbe5936b8
comparison
equal deleted inserted replaced
1361:6b73e879f1c2 1387:0bfd3fb24150
1 /* 1 /*
2 * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 2003-2010 Sun Microsystems, Inc. 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.
115 cname = PerfDataManager::counter_name(name_space(), "avgBaseFootprint"); 115 cname = PerfDataManager::counter_name(name_space(), "avgBaseFootprint");
116 _avg_base_footprint = PerfDataManager::create_variable(SUN_GC, cname, 116 _avg_base_footprint = PerfDataManager::create_variable(SUN_GC, cname,
117 PerfData::U_Bytes, (jlong) ps_size_policy()->avg_base_footprint()->average(), CHECK); 117 PerfData::U_Bytes, (jlong) ps_size_policy()->avg_base_footprint()->average(), CHECK);
118 118
119 cname = PerfDataManager::counter_name(name_space(), "gcTimeLimitExceeded"); 119 cname = PerfDataManager::counter_name(name_space(), "gcTimeLimitExceeded");
120 _gc_time_limit_exceeded = PerfDataManager::create_variable(SUN_GC, cname, 120 _gc_overhead_limit_exceeded_counter =
121 PerfData::U_Events, ps_size_policy()->gc_time_limit_exceeded(), CHECK); 121 PerfDataManager::create_variable(SUN_GC, cname,
122 PerfData::U_Events, ps_size_policy()->gc_overhead_limit_exceeded(), CHECK);
122 123
123 cname = PerfDataManager::counter_name(name_space(), "liveAtLastFullGc"); 124 cname = PerfDataManager::counter_name(name_space(), "liveAtLastFullGc");
124 _live_at_last_full_gc = PerfDataManager::create_variable(SUN_GC, cname, 125 _live_at_last_full_gc_counter =
126 PerfDataManager::create_variable(SUN_GC, cname,
125 PerfData::U_Bytes, ps_size_policy()->live_at_last_full_gc(), CHECK); 127 PerfData::U_Bytes, ps_size_policy()->live_at_last_full_gc(), CHECK);
126 128
127 cname = PerfDataManager::counter_name(name_space(), "majorPauseOldSlope"); 129 cname = PerfDataManager::counter_name(name_space(), "majorPauseOldSlope");
128 _major_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname, 130 _major_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,
129 PerfData::U_None, (jlong) 0, CHECK); 131 PerfData::U_None, (jlong) 0, CHECK);
187 189
188 update_major_pause_old_slope(); 190 update_major_pause_old_slope();
189 update_minor_pause_old_slope(); 191 update_minor_pause_old_slope();
190 update_major_pause_young_slope(); 192 update_major_pause_young_slope();
191 update_minor_collection_slope_counter(); 193 update_minor_collection_slope_counter();
194 update_gc_overhead_limit_exceeded_counter();
195 update_live_at_last_full_gc_counter();
192 } 196 }
193 } 197 }
194 198
195 void PSGCAdaptivePolicyCounters::update_counters() { 199 void PSGCAdaptivePolicyCounters::update_counters() {
196 if (UsePerfData) { 200 if (UsePerfData) {