103  * @requires vm.gc.Shenandoah
104  * @library /test/lib
105  *
106  * @run main/othervm -Xmx1g -Xms1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahTargetNumRegions=2048
107  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
108  *      TestAllocHumongousFragment
109  */
110 
111 /*
112  * @test id=compact
113  * @summary Make sure Shenandoah can recover from humongous allocation fragmentation
114  * @key randomness
115  * @requires vm.gc.Shenandoah
116  * @library /test/lib
117  *
118  * @run main/othervm -Xmx1g -Xms1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahTargetNumRegions=2048
119  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
120  *      TestAllocHumongousFragment
121  */
122 
123 /*
124  * @test id=iu-aggressive
125  * @summary Make sure Shenandoah can recover from humongous allocation fragmentation
126  * @key randomness
127  * @requires vm.gc.Shenandoah
128  * @library /test/lib
129  *
130  * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
131  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
132  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
133  *      TestAllocHumongousFragment
134  *
135  * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
136  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
137  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
138  *      TestAllocHumongousFragment
139  *
140  * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
141  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
142  *      -XX:+ShenandoahOOMDuringEvacALot
143  *      TestAllocHumongousFragment
144  *
145  * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
146  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
147  *      -XX:+ShenandoahAllocFailureALot
148  *      TestAllocHumongousFragment
149  */
150 
151 /*
152  * @test id=iu
153  * @summary Make sure Shenandoah can recover from humongous allocation fragmentation
154  * @key randomness
155  * @requires vm.gc.Shenandoah
156  * @library /test/lib
157  *
158  * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
159  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
160  *      -XX:+ShenandoahVerify
161  *      TestAllocHumongousFragment
162  *
163  * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
164  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
165  *      TestAllocHumongousFragment
166  */
167 
168  /*
169  * @test id=g1
170  * @summary Make sure G1 can recover from humongous allocation fragmentation
171  * @key randomness
172  * @requires vm.gc.G1
173  * @library /test/lib
174  *
175  * @run main/othervm -Xlog:gc+region=trace -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
176  *      -XX:VerifyGCType=full -XX:+VerifyDuringGC -XX:+VerifyAfterGC
177  *      TestAllocHumongousFragment
178  */
179 
180 import java.util.*;
181 import jdk.test.lib.Utils;
182 
183 public class TestAllocHumongousFragment {
184 
185     static final long TARGET_MB = Long.getLong("target", 30_000); // 30 Gb allocations
186     static final long LIVE_MB   = Long.getLong("occupancy", 700); // 700 Mb alive
187 

103  * @requires vm.gc.Shenandoah
104  * @library /test/lib
105  *
106  * @run main/othervm -Xmx1g -Xms1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahTargetNumRegions=2048
107  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
108  *      TestAllocHumongousFragment
109  */
110 
111 /*
112  * @test id=compact
113  * @summary Make sure Shenandoah can recover from humongous allocation fragmentation
114  * @key randomness
115  * @requires vm.gc.Shenandoah
116  * @library /test/lib
117  *
118  * @run main/othervm -Xmx1g -Xms1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahTargetNumRegions=2048
119  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
120  *      TestAllocHumongousFragment
121  */
122 













































123  /*
124  * @test id=g1
125  * @summary Make sure G1 can recover from humongous allocation fragmentation
126  * @key randomness
127  * @requires vm.gc.G1
128  * @library /test/lib
129  *
130  * @run main/othervm -Xlog:gc+region=trace -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
131  *      -XX:VerifyGCType=full -XX:+VerifyDuringGC -XX:+VerifyAfterGC
132  *      TestAllocHumongousFragment
133  */
134 
135 import java.util.*;
136 import jdk.test.lib.Utils;
137 
138 public class TestAllocHumongousFragment {
139 
140     static final long TARGET_MB = Long.getLong("target", 30_000); // 30 Gb allocations
141     static final long LIVE_MB   = Long.getLong("occupancy", 700); // 700 Mb alive
142