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6606002: jinfo doesn't detect dynamic vm flags changing

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Reviewed-by: coleenp, jbachorik, sspitsyn
This commit is contained in:
Staffan Larsen 2013-11-14 19:30:07 +01:00
parent f0947f266f
commit 44d7813397
1 changed files with 23 additions and 3 deletions
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26
hotspot/agent/src/share/classes/sun/jvm/hotspot/tools/JInfo.java
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@ -24,8 +24,9 @@
package sun.jvm.hotspot.tools;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.debugger.JVMDebugger;
import sun.jvm.hotspot.runtime.Arguments;
import sun.jvm.hotspot.runtime.VM;
public class JInfo extends Tool {
public JInfo() {
@ -138,14 +139,33 @@ public class JInfo extends Tool {
}
private void printVMFlags() {
VM.Flag[] flags = VM.getVM().getCommandLineFlags();
System.out.print("Non-default VM flags: ");
for (VM.Flag flag : flags) {
if (flag.getOrigin() == 0) {
// only print flags which aren't their defaults
continue;
}
if (flag.isBool()) {
String onoff = flag.getBool() ? "+" : "-";
System.out.print("-XX:" + onoff + flag.getName() + " ");
} else {
System.out.print("-XX:" + flag.getName() + "="
+ flag.getValue() + " ");
}
}
System.out.println();
System.out.print("Command line: ");
String str = Arguments.getJVMFlags();
if (str != null) {
System.out.println(str);
System.out.print(str + " ");
}
str = Arguments.getJVMArgs();
if (str != null) {
System.out.println(str);
System.out.print(str);
}
System.out.println();
}
private int mode;