public class com.oracle.svm.hosted.DeadlockWatchdog implements java.io.Closeable
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: com.oracle.svm.hosted.DeadlockWatchdog
super_class: java.lang.Object
{
private final int watchdogInterval;
descriptor: I
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final boolean watchdogExitOnTimeout;
descriptor: Z
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final java.lang.Thread thread;
descriptor: Ljava/lang/Thread;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private volatile long nextDeadline;
descriptor: J
flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE
private volatile boolean stopped;
descriptor: Z
flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE
void <init>();
descriptor: ()V
flags: (0x0000)
Code:
stack=4, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
getstatic com.oracle.svm.core.SubstrateOptions.DeadlockWatchdogInterval:Lcom/oracle/svm/core/option/HostedOptionKey;
invokevirtual com.oracle.svm.core.option.HostedOptionKey.getValue:()Ljava/lang/Object;
checkcast java.lang.Integer
invokevirtual java.lang.Integer.intValue:()I
putfield com.oracle.svm.hosted.DeadlockWatchdog.watchdogInterval:I
2: aload 0
getstatic com.oracle.svm.core.SubstrateOptions.DeadlockWatchdogExitOnTimeout:Lcom/oracle/svm/core/option/HostedOptionKey;
invokevirtual com.oracle.svm.core.option.HostedOptionKey.getValue:()Ljava/lang/Object;
checkcast java.lang.Boolean
invokevirtual java.lang.Boolean.booleanValue:()Z
putfield com.oracle.svm.hosted.DeadlockWatchdog.watchdogExitOnTimeout:Z
3: aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.watchdogInterval:I
ifle 7
4: aload 0
new java.lang.Thread
dup
aload 0
invokedynamic run(Lcom/oracle/svm/hosted/DeadlockWatchdog;)Ljava/lang/Runnable;
Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
Method arguments:
()V
com/oracle/svm/hosted/DeadlockWatchdog.watchdogThread()V (5)
()V
invokespecial java.lang.Thread.<init>:(Ljava/lang/Runnable;)V
putfield com.oracle.svm.hosted.DeadlockWatchdog.thread:Ljava/lang/Thread;
5: aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.thread:Ljava/lang/Thread;
invokevirtual java.lang.Thread.start:()V
6: goto 8
7: StackMap locals: com.oracle.svm.hosted.DeadlockWatchdog
StackMap stack:
aload 0
aconst_null
putfield com.oracle.svm.hosted.DeadlockWatchdog.thread:Ljava/lang/Thread;
8: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lcom/oracle/svm/hosted/DeadlockWatchdog;
public void recordActivity();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=6, locals=1, args_size=1
start local 0 0: aload 0
invokestatic java.lang.System.currentTimeMillis:()J
getstatic java.util.concurrent.TimeUnit.MINUTES:Ljava/util/concurrent/TimeUnit;
aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.watchdogInterval:I
i2l
invokevirtual java.util.concurrent.TimeUnit.toMillis:(J)J
ladd
putfield com.oracle.svm.hosted.DeadlockWatchdog.nextDeadline:J
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/oracle/svm/hosted/DeadlockWatchdog;
public void close();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
iconst_1
putfield com.oracle.svm.hosted.DeadlockWatchdog.stopped:Z
1: aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.thread:Ljava/lang/Thread;
ifnull 3
2: aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.thread:Ljava/lang/Thread;
invokevirtual java.lang.Thread.interrupt:()V
3: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lcom/oracle/svm/hosted/DeadlockWatchdog;
void watchdogThread();
descriptor: ()V
flags: (0x0000)
Code:
stack=7, locals=10, args_size=1
start local 0 0: aload 0
invokevirtual com.oracle.svm.hosted.DeadlockWatchdog.recordActivity:()V
1: goto 24
2: StackMap locals:
StackMap stack:
invokestatic java.lang.System.currentTimeMillis:()J
lstore 1
start local 1 3: lload 1
aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.nextDeadline:J
lcmp
iflt 21
4: getstatic java.lang.System.err:Ljava/io/PrintStream;
invokevirtual java.io.PrintStream.println:()V
5: getstatic java.lang.System.err:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc "=== Image generator watchdog detected no activity. This can be a sign of a deadlock during image building. Dumping all stack traces. Current time: "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
new java.util.Date
dup
invokespecial java.util.Date.<init>:()V
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
6: invokestatic com.oracle.svm.hosted.DeadlockWatchdog.threadDump:()V
7: invokestatic java.lang.Runtime.getRuntime:()Ljava/lang/Runtime;
astore 3
start local 3 8: aload 3
invokevirtual java.lang.Runtime.totalMemory:()J
ldc 1048576
ldiv
lstore 4
start local 4 9: aload 3
invokevirtual java.lang.Runtime.freeMemory:()J
ldc 1048576
ldiv
lstore 6
start local 6 10: aload 3
invokevirtual java.lang.Runtime.maxMemory:()J
ldc 1048576
ldiv
lstore 8
start local 8 11: getstatic java.lang.System.err:Ljava/io/PrintStream;
ldc "=== Memory statistics (in MB):%n=== Used heap size: %d%n=== Free heap size: %d%n=== Maximum heap size: %d%n"
iconst_3
anewarray java.lang.Object
dup
iconst_0
lload 4
invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
aastore
dup
iconst_1
lload 6
invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
aastore
dup
iconst_2
lload 8
invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
aastore
invokevirtual java.io.PrintStream.printf:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;
pop
12: getstatic java.lang.System.err:Ljava/io/PrintStream;
invokevirtual java.io.PrintStream.flush:()V
13: aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.watchdogExitOnTimeout:Z
ifeq 20
14: getstatic java.lang.System.err:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc "=== Image generator watchdog is aborting image generation. To configure the watchdog, use the options "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
15: getstatic com.oracle.svm.core.SubstrateOptions.DeadlockWatchdogInterval:Lcom/oracle/svm/core/option/HostedOptionKey;
aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.watchdogInterval:I
invokestatic java.lang.Integer.toString:(I)Ljava/lang/String;
aconst_null
invokestatic com.oracle.svm.core.option.SubstrateOptionsParser.commandArgument:(Lorg/graalvm/compiler/options/OptionKey;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc " and "
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
16: getstatic com.oracle.svm.core.SubstrateOptions.DeadlockWatchdogExitOnTimeout:Lcom/oracle/svm/core/option/HostedOptionKey;
ldc "+"
aconst_null
invokestatic com.oracle.svm.core.option.SubstrateOptionsParser.commandArgument:(Lorg/graalvm/compiler/options/OptionKey;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
17: invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
18: iconst_1
invokestatic java.lang.System.exit:(I)V
19: goto 21
20: StackMap locals: com.oracle.svm.hosted.DeadlockWatchdog long java.lang.Runtime long long long
StackMap stack:
aload 0
invokevirtual com.oracle.svm.hosted.DeadlockWatchdog.recordActivity:()V
end local 8 end local 6 end local 4 end local 3 21: StackMap locals: com.oracle.svm.hosted.DeadlockWatchdog long
StackMap stack:
aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.nextDeadline:J
lload 1
lsub
getstatic java.util.concurrent.TimeUnit.SECONDS:Ljava/util/concurrent/TimeUnit;
lconst_1
invokevirtual java.util.concurrent.TimeUnit.toMillis:(J)J
invokestatic java.lang.Math.min:(JJ)J
invokestatic java.lang.Thread.sleep:(J)V
22: goto 24
StackMap locals:
StackMap stack: java.lang.InterruptedException
23: pop
end local 1 24: StackMap locals:
StackMap stack:
aload 0
getfield com.oracle.svm.hosted.DeadlockWatchdog.stopped:Z
ifeq 2
25: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 26 0 this Lcom/oracle/svm/hosted/DeadlockWatchdog;
3 24 1 now J
8 21 3 runtime Ljava/lang/Runtime;
9 21 4 usedHeapSize J
10 21 6 freeHeapSize J
11 21 8 maximumHeapSize J
Exception table:
from to target type
21 22 23 Class java.lang.InterruptedException
private static void threadDump();
descriptor: ()V
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=3, locals=4, args_size=0
0: invokestatic java.lang.management.ManagementFactory.getThreadMXBean:()Ljava/lang/management/ThreadMXBean;
iconst_1
iconst_1
invokeinterface java.lang.management.ThreadMXBean.dumpAllThreads:(ZZ)[Ljava/lang/management/ThreadInfo;
dup
astore 3
arraylength
istore 2
iconst_0
istore 1
goto 5
StackMap locals: top int int java.lang.management.ThreadInfo[]
StackMap stack:
1: aload 3
iload 1
aaload
astore 0
start local 0 2: aload 0
invokestatic com.oracle.svm.hosted.DeadlockWatchdog.printThreadInfo:(Ljava/lang/management/ThreadInfo;)V
3: aload 0
invokevirtual java.lang.management.ThreadInfo.getLockedSynchronizers:()[Ljava/lang/management/LockInfo;
invokestatic com.oracle.svm.hosted.DeadlockWatchdog.printLockInfo:([Ljava/lang/management/LockInfo;)V
end local 0 4: iinc 1 1
StackMap locals:
StackMap stack:
5: iload 1
iload 2
if_icmplt 1
6: getstatic java.lang.System.err:Ljava/io/PrintStream;
invokevirtual java.io.PrintStream.println:()V
7: return
LocalVariableTable:
Start End Slot Name Signature
2 4 0 ti Ljava/lang/management/ThreadInfo;
private static void printThreadInfo(java.lang.management.ThreadInfo);
descriptor: (Ljava/lang/management/ThreadInfo;)V
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=5, locals=10, args_size=1
start local 0 0: new java.lang.StringBuilder
dup
new java.lang.StringBuilder
dup
ldc "\""
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 0
invokevirtual java.lang.management.ThreadInfo.getThreadName:()Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc "\""
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc " Id="
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
aload 0
invokevirtual java.lang.management.ThreadInfo.getThreadId:()J
invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
ldc " in "
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
aload 0
invokevirtual java.lang.management.ThreadInfo.getThreadState:()Ljava/lang/Thread$State;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
astore 1
start local 1 1: aload 0
invokevirtual java.lang.management.ThreadInfo.getLockName:()Ljava/lang/String;
ifnull 3
2: aload 1
new java.lang.StringBuilder
dup
ldc " on lock="
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 0
invokevirtual java.lang.management.ThreadInfo.getLockName:()Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
pop
3: StackMap locals: java.lang.StringBuilder
StackMap stack:
aload 0
invokevirtual java.lang.management.ThreadInfo.isSuspended:()Z
ifeq 5
4: aload 1
ldc " (suspended)"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
pop
5: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.lang.management.ThreadInfo.isInNative:()Z
ifeq 7
6: aload 1
ldc " (running in native)"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
pop
7: StackMap locals:
StackMap stack:
getstatic java.lang.System.err:Ljava/io/PrintStream;
aload 1
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
8: aload 0
invokevirtual java.lang.management.ThreadInfo.getLockOwnerName:()Ljava/lang/String;
ifnull 10
9: getstatic java.lang.System.err:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc " owned by "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 0
invokevirtual java.lang.management.ThreadInfo.getLockOwnerName:()Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc " Id="
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
aload 0
invokevirtual java.lang.management.ThreadInfo.getLockOwnerId:()J
invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
10: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.lang.management.ThreadInfo.getStackTrace:()[Ljava/lang/StackTraceElement;
astore 2
start local 2 11: aload 0
invokevirtual java.lang.management.ThreadInfo.getLockedMonitors:()[Ljava/lang/management/MonitorInfo;
astore 3
start local 3 12: iconst_0
istore 4
start local 4 13: goto 23
14: StackMap locals: java.lang.StackTraceElement[] java.lang.management.MonitorInfo[] int
StackMap stack:
aload 2
iload 4
aaload
astore 5
start local 5 15: getstatic java.lang.System.err:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc " at "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 5
invokevirtual java.lang.StackTraceElement.toString:()Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
16: aload 3
dup
astore 9
arraylength
istore 8
iconst_0
istore 7
goto 21
StackMap locals: java.lang.management.ThreadInfo java.lang.StringBuilder java.lang.StackTraceElement[] java.lang.management.MonitorInfo[] int java.lang.StackTraceElement top int int java.lang.management.MonitorInfo[]
StackMap stack:
17: aload 9
iload 7
aaload
astore 6
start local 6 18: aload 6
invokevirtual java.lang.management.MonitorInfo.getLockedStackDepth:()I
iload 4
if_icmpne 20
19: getstatic java.lang.System.err:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc " - locked "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 6
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
end local 6 20: StackMap locals:
StackMap stack:
iinc 7 1
StackMap locals:
StackMap stack:
21: iload 7
iload 8
if_icmplt 17
end local 5 22: iinc 4 1
StackMap locals: java.lang.management.ThreadInfo java.lang.StringBuilder java.lang.StackTraceElement[] java.lang.management.MonitorInfo[] int
StackMap stack:
23: iload 4
aload 2
arraylength
if_icmplt 14
end local 4 24: getstatic java.lang.System.err:Ljava/io/PrintStream;
invokevirtual java.io.PrintStream.println:()V
25: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 26 0 ti Ljava/lang/management/ThreadInfo;
1 26 1 sb Ljava/lang/StringBuilder;
11 26 2 stacktrace [Ljava/lang/StackTraceElement;
12 26 3 monitors [Ljava/lang/management/MonitorInfo;
13 24 4 i I
15 22 5 ste Ljava/lang/StackTraceElement;
18 20 6 mi Ljava/lang/management/MonitorInfo;
MethodParameters:
Name Flags
ti
private static void printLockInfo(java.lang.management.LockInfo[]);
descriptor: ([Ljava/lang/management/LockInfo;)V
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=4, locals=5, args_size=1
start local 0 0: aload 0
arraylength
ifle 8
1: getstatic java.lang.System.err:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc " Locked synchronizers: count = "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 0
arraylength
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
2: aload 0
dup
astore 4
arraylength
istore 3
iconst_0
istore 2
goto 6
StackMap locals: java.lang.management.LockInfo[] top int int java.lang.management.LockInfo[]
StackMap stack:
3: aload 4
iload 2
aaload
astore 1
start local 1 4: getstatic java.lang.System.err:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc " - "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 1
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
end local 1 5: iinc 2 1
StackMap locals:
StackMap stack:
6: iload 2
iload 3
if_icmplt 3
7: getstatic java.lang.System.err:Ljava/io/PrintStream;
invokevirtual java.io.PrintStream.println:()V
8: StackMap locals: java.lang.management.LockInfo[]
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 locks [Ljava/lang/management/LockInfo;
4 5 1 li Ljava/lang/management/LockInfo;
MethodParameters:
Name Flags
locks
}
SourceFile: "DeadlockWatchdog.java"
InnerClasses:
public final State = java.lang.Thread$State of java.lang.Thread
public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles