test/gc/g1/TestGCLogMessages.java
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rev 6140 : 8029075: String deduplication in G1
Implementation of JEP 192, http://openjdk.java.net/jeps/192
@@ -47,38 +47,43 @@
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldNotContain("[Redirty Cards");
output.shouldNotContain("[Code Root Purge");
+ output.shouldNotContain("[String Dedup Fixup");
output.shouldNotContain("[Young Free CSet");
output.shouldNotContain("[Non-Young Free CSet");
output.shouldHaveExitValue(0);
pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
+ "-XX:+UseStringDeduplication",
"-Xmx10M",
"-XX:+PrintGCDetails",
GCTest.class.getName());
output = new OutputAnalyzer(pb.start());
output.shouldContain("[Redirty Cards");
output.shouldContain("[Code Root Purge");
+ output.shouldContain("[String Dedup Fixup");
output.shouldNotContain("[Young Free CSet");
output.shouldNotContain("[Non-Young Free CSet");
output.shouldHaveExitValue(0);
pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
+ "-XX:+UseStringDeduplication",
"-Xmx10M",
"-XX:+PrintGCDetails",
"-XX:+UnlockExperimentalVMOptions",
"-XX:G1LogLevel=finest",
GCTest.class.getName());
output = new OutputAnalyzer(pb.start());
output.shouldContain("[Redirty Cards");
output.shouldContain("[Code Root Purge");
+ output.shouldContain("[String Dedup Fixup");
output.shouldContain("[Young Free CSet");
output.shouldContain("[Non-Young Free CSet");
// also check evacuation failure messages once
output.shouldNotContain("[Evacuation Failure");