17 * |
17 * |
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
19 * or visit www.oracle.com if you need additional information or have any |
19 * or visit www.oracle.com if you need additional information or have any |
20 * questions. |
20 * questions. |
21 * |
21 * |
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22 */ |
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23 |
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24 /* |
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25 * @test TestStringDedupStress |
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26 * @summary Test Shenandoah string deduplication implementation |
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27 * @key gc |
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28 * @requires vm.gc.Shenandoah & !vm.graal.enabled |
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29 * @library /test/lib |
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30 * @modules java.base/jdk.internal.misc:open |
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31 * @modules java.base/java.lang:open |
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32 * java.management |
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33 * |
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34 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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35 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive |
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36 * -XX:+ShenandoahDegeneratedGC |
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37 * TestStringDedupStress |
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38 * |
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39 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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40 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive |
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41 * -XX:-ShenandoahDegeneratedGC |
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42 * TestStringDedupStress |
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43 */ |
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44 |
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45 /* |
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46 * @test TestStringDedupStress |
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47 * @summary Test Shenandoah string deduplication implementation |
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48 * @key gc |
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49 * @requires vm.gc.Shenandoah & !vm.graal.enabled |
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50 * @library /test/lib |
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51 * @modules java.base/jdk.internal.misc:open |
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52 * @modules java.base/java.lang:open |
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53 * java.management |
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54 * |
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55 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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56 * -XX:+UseShenandoahGC |
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57 * -DtargetStrings=3000000 |
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58 * TestStringDedupStress |
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59 * |
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60 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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61 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
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62 * -DtargetStrings=2000000 |
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63 * TestStringDedupStress |
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64 * |
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65 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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66 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
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67 * -XX:+ShenandoahOOMDuringEvacALot |
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68 * -DtargetStrings=2000000 |
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69 * TestStringDedupStress |
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70 * |
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71 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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72 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact |
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73 * TestStringDedupStress |
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74 * |
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75 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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76 * -XX:+UseShenandoahGC |
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77 * -XX:ShenandoahUpdateRefsEarly=off |
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78 * -DtargetStrings=3000000 |
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79 * TestStringDedupStress |
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80 * |
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81 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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82 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact |
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83 * -XX:ShenandoahUpdateRefsEarly=off |
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84 * -DtargetStrings=2000000 |
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85 * TestStringDedupStress |
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86 * |
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87 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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88 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
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89 * -XX:ShenandoahUpdateRefsEarly=off |
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90 * -DtargetStrings=2000000 |
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91 * TestStringDedupStress |
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92 * |
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93 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
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94 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
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95 * -XX:ShenandoahUpdateRefsEarly=off -XX:+ShenandoahOOMDuringEvacALot |
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96 * -DtargetStrings=2000000 |
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97 * TestStringDedupStress |
22 */ |
98 */ |
23 |
99 |
24 /* |
100 /* |
25 * @test TestStringDedupStress |
101 * @test TestStringDedupStress |
26 * @summary Test Shenandoah string deduplication implementation |
102 * @summary Test Shenandoah string deduplication implementation |
28 * @requires vm.gc.Shenandoah & !vm.graal.enabled |
104 * @requires vm.gc.Shenandoah & !vm.graal.enabled |
29 * @library /test/lib |
105 * @library /test/lib |
30 * @modules java.base/jdk.internal.misc:open |
106 * @modules java.base/jdk.internal.misc:open |
31 * @modules java.base/java.lang:open |
107 * @modules java.base/java.lang:open |
32 * java.management |
108 * java.management |
33 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
109 * |
34 * -DtargetStrings=3000000 |
110 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
35 * -Xlog:gc |
111 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal |
36 * TestStringDedupStress |
112 * TestStringDedupStress |
37 * |
113 * |
38 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
114 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
39 * -XX:ShenandoahGCHeuristics=aggressive -DtargetStrings=2000000 |
115 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive |
40 * -Xlog:gc |
116 * -DtargetStrings=2000000 |
41 * TestStringDedupStress |
117 * TestStringDedupStress |
42 * |
118 * |
43 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
119 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
44 * -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot -DtargetStrings=2000000 |
120 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal |
45 * -Xlog:gc |
121 * -XX:+ShenandoahOOMDuringEvacALot |
46 * TestStringDedupStress |
122 * -DtargetStrings=2000000 |
47 * |
123 * TestStringDedupStress |
48 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
124 * |
49 * -XX:ShenandoahGCHeuristics=static -DtargetStrings=4000000 |
125 * @run main/othervm -Xmx1g -Xlog:gc+stats -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication |
50 * -Xlog:gc |
126 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive |
51 * TestStringDedupStress |
127 * -XX:+ShenandoahOOMDuringEvacALot |
52 * |
128 * -DtargetStrings=2000000 |
53 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
129 * TestStringDedupStress |
54 * -XX:ShenandoahGCHeuristics=compact |
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55 * -Xlog:gc |
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56 * TestStringDedupStress |
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57 * |
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58 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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59 * -XX:ShenandoahGCHeuristics=passive -XX:+ShenandoahDegeneratedGC |
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60 * -Xlog:gc |
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61 * TestStringDedupStress |
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62 * |
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63 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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64 * -XX:ShenandoahGCHeuristics=passive -XX:-ShenandoahDegeneratedGC |
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65 * -Xlog:gc |
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66 * TestStringDedupStress |
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67 * |
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68 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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69 * -XX:ShenandoahGCHeuristics=traversal |
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70 * -Xlog:gc |
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71 * TestStringDedupStress |
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72 * |
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73 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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74 * -XX:ShenandoahUpdateRefsEarly=off -DtargetStrings=3000000 |
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75 * -Xlog:gc |
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76 * TestStringDedupStress |
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77 * |
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78 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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79 * -XX:ShenandoahGCHeuristics=compact -XX:ShenandoahUpdateRefsEarly=off -DtargetStrings=2000000 |
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80 * -Xlog:gc |
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81 * TestStringDedupStress |
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82 * |
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83 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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84 * -XX:ShenandoahGCHeuristics=aggressive -XX:ShenandoahUpdateRefsEarly=off -DtargetStrings=2000000 |
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85 * -Xlog:gc |
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86 * TestStringDedupStress |
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87 * |
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88 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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89 * -XX:ShenandoahGCHeuristics=static -XX:ShenandoahUpdateRefsEarly=off |
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90 * -Xlog:gc |
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91 * TestStringDedupStress |
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92 * |
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93 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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94 * -XX:ShenandoahGCHeuristics=aggressive -XX:ShenandoahUpdateRefsEarly=off -XX:+ShenandoahOOMDuringEvacALot -DtargetStrings=2000000 |
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95 * -Xlog:gc |
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96 * TestStringDedupStress |
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97 * |
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98 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseStringDeduplication -Xmx1g -Xlog:gc+stats |
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99 * -XX:ShenandoahGCHeuristics=traversal -XX:+ShenandoahOOMDuringEvacALot -DtargetStrings=2000000 |
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100 * -Xlog:gc |
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101 * TestStringDedupStress |
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102 */ |
130 */ |
103 |
131 |
104 import java.lang.management.*; |
132 import java.lang.management.*; |
105 import java.lang.reflect.*; |
133 import java.lang.reflect.*; |
106 import java.util.*; |
134 import java.util.*; |