34 lines
1.4 KiB
Diff
34 lines
1.4 KiB
Diff
--- jdk10/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/PStack.java 2016-01-21 19:16:09.000000000 +0100
|
|
+++ jdk10/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/PStack.java 2016-01-29 15:49:47.815913736 +0100
|
|
@@ -101,7 +102,8 @@
|
|
if (jthread != null) {
|
|
jthread.printThreadInfoOn(out);
|
|
}
|
|
- while (f != null) {
|
|
+ int maxStack = 256;
|
|
+ while (f != null && maxStack-- > 0) {
|
|
ClosestSymbol sym = f.closestSymbolToPC();
|
|
Address pc = f.pc();
|
|
out.print(pc + "\t");
|
|
@@ -183,10 +185,19 @@
|
|
}
|
|
}
|
|
}
|
|
+ Address oldPC = f.pc();
|
|
+ Address oldFP = f.localVariableBase();
|
|
f = f.sender(th);
|
|
+ if (f != null
|
|
+ && oldPC.equals(f.pc())
|
|
+ && oldFP.equals(f.localVariableBase())) {
|
|
+ // We didn't make any progress
|
|
+ f = null;
|
|
+ }
|
|
}
|
|
} catch (Exception exp) {
|
|
- exp.printStackTrace();
|
|
+ // exp.printStackTrace();
|
|
+ out.println("bad stack: " + exp);
|
|
// continue, may be we can do a better job for other threads
|
|
}
|
|
if (concurrentLocks) {
|