jdk-24/test/hotspot/jtreg/runtime/appcds/cacheObject/DifferentHeapSizes.java
Ioi Lam 5b2c081460 8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
Relocate and patch archive regions if necessary

Reviewed-by: jiangli, tschatzl
2018-08-14 09:59:37 -07:00

101 lines
4.3 KiB
Java

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/*
* @test
* @summary Test automatic relocation of archive heap regions dur to heap size changes.
* @requires vm.cds.archived.java.heap
* @requires (vm.gc=="null")
* @library /test/lib /test/hotspot/jtreg/runtime/appcds
* @modules jdk.jartool/sun.tools.jar
* @compile ../test-classes/Hello.java
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DifferentHeapSizes
*/
import jdk.test.lib.process.OutputAnalyzer;
import sun.hotspot.WhiteBox;
import jdk.test.lib.cds.CDSTestUtils;
public class DifferentHeapSizes {
static class Scenario {
int dumpSize; // in MB
int runSizes[]; // in MB
Scenario(int ds, int... rs) {
dumpSize = ds;
runSizes = rs;
}
}
static Scenario[] scenarios = {
// dump -Xmx , run -Xmx
new Scenario( 32, 32, 64, 512, 2048, 4097, 16374, 31000),
new Scenario( 128, 32, 64, 512, 2048, 4097, 16374, 31000, 40000),
new Scenario( 2048, 32, 512, 2600, 4097, 8500, 31000, 40000),
new Scenario( 17000, 32, 512, 2048, 4097, 8500, 31000, 40000),
new Scenario( 31000, 32, 512, 2048, 4097, 8500, 17000, 40000)
};
public static void main(String[] args) throws Exception {
String dedup = "-XX:+UseStringDeduplication"; // This increases code coverage.
JarBuilder.getOrCreateHelloJar();
String appJar = TestCommon.getTestJar("hello.jar");
String appClasses[] = TestCommon.list("Hello");
for (Scenario s : scenarios) {
String dumpXmx = "-Xmx" + s.dumpSize + "m";
OutputAnalyzer output = TestCommon.dump(appJar, appClasses, dumpXmx);
for (int runSize : s.runSizes) {
String runXmx = "-Xmx" + runSize + "m";
CDSTestUtils.Result result = TestCommon.run("-cp", appJar, "-showversion",
"-Xlog:cds", runXmx, dedup, "Hello");
if (runSize < 32768) {
result
.assertNormalExit("Hello World")
.assertNormalExit(out -> {
out.shouldNotContain(CDSTestUtils.MSG_RANGE_NOT_WITHIN_HEAP);
out.shouldNotContain(CDSTestUtils.MSG_RANGE_ALREADT_IN_USE);
});
} else {
result.assertAbnormalExit("Unable to use shared archive: UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces.");
}
}
}
String flag = "HeapBaseMinAddress";
String xxflag = "-XX:" + flag + "=";
String mx = "-Xmx128m";
long base = WhiteBox.getWhiteBox().getSizeTVMFlag(flag).longValue();
TestCommon.dump(appJar, appClasses, mx, xxflag + base);
TestCommon.run("-cp", appJar, "-showversion", "-Xlog:cds", mx, xxflag + (base + 256 * 1024 * 1024), dedup, "Hello")
.assertNormalExit("Hello World")
.assertNormalExit(out -> {
out.shouldNotContain(CDSTestUtils.MSG_RANGE_NOT_WITHIN_HEAP);
out.shouldNotContain(CDSTestUtils.MSG_RANGE_ALREADT_IN_USE);
});
}
}