87 GCTest.class.getName());
88
89 output = new OutputAnalyzer(pb.start());
90
91 output.shouldContain("[Redirty Cards");
92 output.shouldContain("[Parallel Redirty");
93 output.shouldContain("[Redirtied Cards");
94 output.shouldContain("[Code Root Purge");
95 output.shouldContain("[String Dedup Fixup");
96 output.shouldContain("[Young Free CSet");
97 output.shouldContain("[Non-Young Free CSet");
98 output.shouldContain("[Humongous Reclaim");
99 output.shouldContain("[Humongous Total");
100 output.shouldContain("[Humongous Candidate");
101 output.shouldContain("[Humongous Reclaimed");
102 output.shouldHaveExitValue(0);
103 }
104
105 private static void testWithToSpaceExhaustionLogs() throws Exception {
106 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
107 "-Xmx10M",
108 "-Xmn5M",
109 "-XX:+PrintGCDetails",
110 GCTestWithToSpaceExhaustion.class.getName());
111
112 OutputAnalyzer output = new OutputAnalyzer(pb.start());
113 output.shouldContain("[Evacuation Failure");
114 output.shouldNotContain("[Recalculate Used");
115 output.shouldNotContain("[Remove Self Forwards");
116 output.shouldNotContain("[Restore RemSet");
117 output.shouldHaveExitValue(0);
118
119 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
120 "-Xmx10M",
121 "-Xmn5M",
122 "-XX:+PrintGCDetails",
123 "-XX:+UnlockExperimentalVMOptions",
124 "-XX:G1LogLevel=finest",
125 GCTestWithToSpaceExhaustion.class.getName());
126
127 output = new OutputAnalyzer(pb.start());
128 output.shouldContain("[Evacuation Failure");
129 output.shouldContain("[Recalculate Used");
130 output.shouldContain("[Remove Self Forwards");
131 output.shouldContain("[Restore RemSet");
132 output.shouldHaveExitValue(0);
133 }
134
135 static class GCTest {
136 private static byte[] garbage;
137 public static void main(String [] args) {
138 System.out.println("Creating garbage");
139 // create 128MB of garbage. This should result in at least one GC
140 for (int i = 0; i < 1024; i++) {
141 garbage = new byte[128 * 1024];
142 }
143 System.out.println("Done");
144 }
145 }
146
147 static class GCTestWithToSpaceExhaustion {
148 private static byte[] garbage;
149 private static byte[] largeObject;
150 public static void main(String [] args) {
151 largeObject = new byte[5*1024*1024];
152 System.out.println("Creating garbage");
153 // create 128MB of garbage. This should result in at least one GC,
154 // some of them with to-space exhaustion.
155 for (int i = 0; i < 1024; i++) {
156 garbage = new byte[128 * 1024];
157 }
158 System.out.println("Done");
159 }
160 }
161 }
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87 GCTest.class.getName());
88
89 output = new OutputAnalyzer(pb.start());
90
91 output.shouldContain("[Redirty Cards");
92 output.shouldContain("[Parallel Redirty");
93 output.shouldContain("[Redirtied Cards");
94 output.shouldContain("[Code Root Purge");
95 output.shouldContain("[String Dedup Fixup");
96 output.shouldContain("[Young Free CSet");
97 output.shouldContain("[Non-Young Free CSet");
98 output.shouldContain("[Humongous Reclaim");
99 output.shouldContain("[Humongous Total");
100 output.shouldContain("[Humongous Candidate");
101 output.shouldContain("[Humongous Reclaimed");
102 output.shouldHaveExitValue(0);
103 }
104
105 private static void testWithToSpaceExhaustionLogs() throws Exception {
106 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
107 "-Xmx32M",
108 "-Xmn16M",
109 "-XX:+PrintGCDetails",
110 GCTestWithToSpaceExhaustion.class.getName());
111
112 OutputAnalyzer output = new OutputAnalyzer(pb.start());
113 output.shouldContain("[Evacuation Failure");
114 output.shouldNotContain("[Recalculate Used");
115 output.shouldNotContain("[Remove Self Forwards");
116 output.shouldNotContain("[Restore RemSet");
117 output.shouldHaveExitValue(0);
118
119 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
120 "-Xmx32M",
121 "-Xmn16M",
122 "-XX:+PrintGCDetails",
123 "-XX:+UnlockExperimentalVMOptions",
124 "-XX:G1LogLevel=finest",
125 GCTestWithToSpaceExhaustion.class.getName());
126
127 output = new OutputAnalyzer(pb.start());
128 output.shouldContain("[Evacuation Failure");
129 output.shouldContain("[Recalculate Used");
130 output.shouldContain("[Remove Self Forwards");
131 output.shouldContain("[Restore RemSet");
132 output.shouldHaveExitValue(0);
133 }
134
135 static class GCTest {
136 private static byte[] garbage;
137 public static void main(String [] args) {
138 System.out.println("Creating garbage");
139 // create 128MB of garbage. This should result in at least one GC
140 for (int i = 0; i < 1024; i++) {
141 garbage = new byte[128 * 1024];
142 }
143 System.out.println("Done");
144 }
145 }
146
147 static class GCTestWithToSpaceExhaustion {
148 private static byte[] garbage;
149 private static byte[] largeObject;
150 public static void main(String [] args) {
151 largeObject = new byte[16*1024*1024];
152 System.out.println("Creating garbage");
153 // create 128MB of garbage. This should result in at least one GC,
154 // some of them with to-space exhaustion.
155 for (int i = 0; i < 1024; i++) {
156 garbage = new byte[128 * 1024];
157 }
158 System.out.println("Done");
159 }
160 }
161 }
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