class org.openjdk.jmh.profile.GCProfiler$VMSupport extends java.lang.Object
{
private static final boolean ALLOC_AVAILABLE;
private static java.lang.management.ThreadMXBean ALLOC_MX_BEAN;
private static java.lang.reflect.Method ALLOC_MX_BEAN_GETTER;
private static final boolean CHURN_AVAILABLE;
private static javax.management.NotificationListener listener;
private static org.openjdk.jmh.util.Multiset churn;
void <init>()
{
org.openjdk.jmh.profile.GCProfiler$VMSupport v;
v := @this: org.openjdk.jmh.profile.GCProfiler$VMSupport;
specialinvoke v.<java.lang.Object: void <init>()>();
return;
}
private static boolean tryInitAlloc()
{
java.lang.Throwable v;
java.lang.Object[] v;
long[] v;
java.lang.String v, v;
java.lang.reflect.Method v, v;
boolean v;
java.io.PrintStream v;
java.lang.UnsupportedOperationException v;
java.lang.Class[] v, v;
java.lang.management.ThreadMXBean v;
java.lang.Class v, v, v, v;
java.lang.Object v;
label:
v = staticinvoke <java.lang.Class: java.lang.Class forName(java.lang.String)>("com.sun.management.ThreadMXBean");
v = staticinvoke <java.lang.management.ManagementFactory: java.lang.management.ThreadMXBean getThreadMXBean()>();
v = virtualinvoke v.<java.lang.Object: java.lang.Class getClass()>();
v = virtualinvoke v.<java.lang.Class: boolean isAssignableFrom(java.lang.Class)>(v);
if v != 0 goto label;
v = staticinvoke <java.lang.Class: java.lang.Class forName(java.lang.String)>("java.lang.management.PlatformManagedObject");
v = class "Ljava/lang/management/ManagementFactory;";
v = newarray (java.lang.Class)[2];
v[0] = class "Ljava/lang/Class;";
v[1] = v;
v = virtualinvoke v.<java.lang.Class: java.lang.reflect.Method getMethod(java.lang.String,java.lang.Class[])>("getPlatformMXBean", v);
v = newarray (java.lang.Object)[1];
v[0] = v;
v = virtualinvoke v.<java.lang.reflect.Method: java.lang.Object invoke(java.lang.Object,java.lang.Object[])>(null, v);
if v != null goto label;
v = new java.lang.UnsupportedOperationException;
specialinvoke v.<java.lang.UnsupportedOperationException: void <init>(java.lang.String)>("No way to access private ThreadMXBean");
throw v;
label:
<org.openjdk.jmh.profile.GCProfiler$VMSupport: java.lang.management.ThreadMXBean ALLOC_MX_BEAN> = v;
v = newarray (java.lang.Class)[1];
v[0] = class "[J";
v = virtualinvoke v.<java.lang.Class: java.lang.reflect.Method getMethod(java.lang.String,java.lang.Class[])>("getThreadAllocatedBytes", v);
<org.openjdk.jmh.profile.GCProfiler$VMSupport: java.lang.reflect.Method ALLOC_MX_BEAN_GETTER> = v;
v = interfaceinvoke v.<java.lang.management.ThreadMXBean: long[] getAllThreadIds()>();
staticinvoke <org.openjdk.jmh.profile.GCProfiler$VMSupport: long[] getAllocatedBytes(long[])>(v);
label:
return 1;
label:
v := @caughtexception;
v = <java.lang.System: java.io.PrintStream out>;
v = virtualinvoke v.<java.lang.Throwable: java.lang.String getMessage()>();
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.lang.String)>(v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("Allocation profiling is not available: \u0001");
virtualinvoke v.<java.io.PrintStream: void println(java.lang.String)>(v);
return 0;
catch java.lang.Throwable from label to label with label;
}
private static boolean tryInitChurn()
{
java.io.PrintStream v;
java.lang.Throwable v;
java.lang.UnsupportedOperationException v;
java.util.Iterator v;
java.util.List v;
java.lang.Object v;
java.lang.String v, v;
boolean v, v;
label:
v = staticinvoke <java.lang.management.ManagementFactory: java.util.List getGarbageCollectorMXBeans()>();
v = interfaceinvoke v.<java.util.List: java.util.Iterator iterator()>();
label:
v = interfaceinvoke v.<java.util.Iterator: boolean hasNext()>();
if v == 0 goto label;
v = interfaceinvoke v.<java.util.Iterator: java.lang.Object next()>();
v = v instanceof javax.management.NotificationEmitter;
if v != 0 goto label;
v = new java.lang.UnsupportedOperationException;
specialinvoke v.<java.lang.UnsupportedOperationException: void <init>(java.lang.String)>("GarbageCollectorMXBean cannot notify");
throw v;
label:
staticinvoke <org.openjdk.jmh.profile.GCProfiler$VMSupport: javax.management.NotificationListener newListener()>();
label:
return 1;
label:
v := @caughtexception;
v = <java.lang.System: java.io.PrintStream out>;
v = virtualinvoke v.<java.lang.Throwable: java.lang.String getMessage()>();
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.lang.String)>(v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("Churn profiling is not available: \u0001");
virtualinvoke v.<java.io.PrintStream: void println(java.lang.String)>(v);
return 0;
catch java.lang.Throwable from label to label with label;
}
private static long[] getAllocatedBytes(long[])
{
java.lang.IllegalStateException v;
java.lang.Object[] v;
long[] v;
java.lang.Object v;
java.lang.ReflectiveOperationException v;
java.lang.management.ThreadMXBean v;
java.lang.reflect.Method v;
v := @parameter: long[];
label:
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: java.lang.reflect.Method ALLOC_MX_BEAN_GETTER>;
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: java.lang.management.ThreadMXBean ALLOC_MX_BEAN>;
v = newarray (java.lang.Object)[1];
v[0] = v;
v = virtualinvoke v.<java.lang.reflect.Method: java.lang.Object invoke(java.lang.Object,java.lang.Object[])>(v, v);
label:
return v;
label:
v := @caughtexception;
v = new java.lang.IllegalStateException;
specialinvoke v.<java.lang.IllegalStateException: void <init>(java.lang.Throwable)>(v);
throw v;
catch java.lang.reflect.InvocationTargetException from label to label with label;
catch java.lang.IllegalAccessException from label to label with label;
}
private static javax.management.NotificationListener newListener()
{
java.lang.Throwable v;
java.lang.IllegalStateException v;
org.openjdk.jmh.util.HashMultiset v;
org.openjdk.jmh.profile.GCProfiler$VMSupport$1 v;
java.lang.reflect.Method v, v, v, v;
java.lang.Class[] v, v, v, v;
java.lang.reflect.Field v;
java.lang.Class v, v, v;
v = new org.openjdk.jmh.util.HashMultiset;
specialinvoke v.<org.openjdk.jmh.util.HashMultiset: void <init>()>();
<org.openjdk.jmh.profile.GCProfiler$VMSupport: org.openjdk.jmh.util.Multiset churn> = v;
label:
v = staticinvoke <java.lang.Class: java.lang.Class forName(java.lang.String)>("com.sun.management.GarbageCollectionNotificationInfo");
v = virtualinvoke v.<java.lang.Class: java.lang.reflect.Field getField(java.lang.String)>("GARBAGE_COLLECTION_NOTIFICATION");
v = newarray (java.lang.Class)[1];
v[0] = class "Ljavax/management/openmbean/CompositeData;";
v = virtualinvoke v.<java.lang.Class: java.lang.reflect.Method getMethod(java.lang.String,java.lang.Class[])>("from", v);
v = newarray (java.lang.Class)[0];
v = virtualinvoke v.<java.lang.Class: java.lang.reflect.Method getMethod(java.lang.String,java.lang.Class[])>("getGcInfo", v);
v = virtualinvoke v.<java.lang.reflect.Method: java.lang.Class getReturnType()>();
v = newarray (java.lang.Class)[0];
v = virtualinvoke v.<java.lang.Class: java.lang.reflect.Method getMethod(java.lang.String,java.lang.Class[])>("getMemoryUsageBeforeGc", v);
v = virtualinvoke v.<java.lang.reflect.Method: java.lang.Class getReturnType()>();
v = newarray (java.lang.Class)[0];
v = virtualinvoke v.<java.lang.Class: java.lang.reflect.Method getMethod(java.lang.String,java.lang.Class[])>("getMemoryUsageAfterGc", v);
v = new org.openjdk.jmh.profile.GCProfiler$VMSupport$1;
specialinvoke v.<org.openjdk.jmh.profile.GCProfiler$VMSupport$1: void <init>(java.lang.reflect.Field,java.lang.reflect.Method,java.lang.reflect.Method,java.lang.reflect.Method,java.lang.reflect.Method)>(v, v, v, v, v);
label:
return v;
label:
v := @caughtexception;
v = new java.lang.IllegalStateException;
specialinvoke v.<java.lang.IllegalStateException: void <init>(java.lang.Throwable)>(v);
throw v;
catch java.lang.Throwable from label to label with label;
}
public static org.openjdk.jmh.profile.GCProfiler$HotspotAllocationSnapshot getSnapshot()
{
long[] v, v;
org.openjdk.jmh.profile.GCProfiler$HotspotAllocationSnapshot v, v;
java.lang.management.ThreadMXBean v;
boolean v;
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: boolean ALLOC_AVAILABLE>;
if v != 0 goto label;
v = <org.openjdk.jmh.profile.GCProfiler$HotspotAllocationSnapshot: org.openjdk.jmh.profile.GCProfiler$HotspotAllocationSnapshot EMPTY>;
return v;
label:
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: java.lang.management.ThreadMXBean ALLOC_MX_BEAN>;
v = interfaceinvoke v.<java.lang.management.ThreadMXBean: long[] getAllThreadIds()>();
v = staticinvoke <org.openjdk.jmh.profile.GCProfiler$VMSupport: long[] getAllocatedBytes(long[])>(v);
v = new org.openjdk.jmh.profile.GCProfiler$HotspotAllocationSnapshot;
specialinvoke v.<org.openjdk.jmh.profile.GCProfiler$HotspotAllocationSnapshot: void <init>(long[],long[])>(v, v);
return v;
}
public static synchronized void startChurnProfile()
{
java.lang.IllegalStateException v, v;
javax.management.NotificationListener v, v, v;
java.util.Iterator v;
java.lang.Exception v;
java.util.List v;
java.lang.management.GarbageCollectorMXBean v;
boolean v, v;
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: boolean CHURN_AVAILABLE>;
if v != 0 goto label;
return;
label:
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: javax.management.NotificationListener listener>;
if v == null goto label;
v = new java.lang.IllegalStateException;
specialinvoke v.<java.lang.IllegalStateException: void <init>(java.lang.String)>("Churn profile already started");
throw v;
label:
v = staticinvoke <org.openjdk.jmh.profile.GCProfiler$VMSupport: javax.management.NotificationListener newListener()>();
<org.openjdk.jmh.profile.GCProfiler$VMSupport: javax.management.NotificationListener listener> = v;
label:
v = staticinvoke <java.lang.management.ManagementFactory: java.util.List getGarbageCollectorMXBeans()>();
v = interfaceinvoke v.<java.util.List: java.util.Iterator iterator()>();
label:
v = interfaceinvoke v.<java.util.Iterator: boolean hasNext()>();
if v == 0 goto label;
interfaceinvoke v.<java.util.Iterator: java.lang.Object next()>();
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: javax.management.NotificationListener listener>;
interfaceinvoke v.<javax.management.NotificationEmitter: void addNotificationListener(javax.management.NotificationListener,javax.management.NotificationFilter,java.lang.Object)>(v, null, null);
goto label;
label:
v := @caughtexception;
v = new java.lang.IllegalStateException;
specialinvoke v.<java.lang.IllegalStateException: void <init>(java.lang.String)>("Should not be here");
throw v;
label:
return;
catch java.lang.Exception from label to label with label;
}
public static synchronized void finishChurnProfile()
{
java.lang.IllegalStateException v;
javax.management.NotificationListener v, v;
java.util.Iterator v;
java.util.List v;
java.lang.management.GarbageCollectorMXBean v;
java.lang.InterruptedException v;
javax.management.ListenerNotFoundException v;
boolean v, v;
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: boolean CHURN_AVAILABLE>;
if v != 0 goto label;
return;
label:
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: javax.management.NotificationListener listener>;
if v != null goto label;
v = new java.lang.IllegalStateException;
specialinvoke v.<java.lang.IllegalStateException: void <init>(java.lang.String)>("Churn profile already stopped");
throw v;
label:
staticinvoke <java.lang.Thread: void sleep(long)>(500L);
label:
goto label;
label:
v := @caughtexception;
label:
v = staticinvoke <java.lang.management.ManagementFactory: java.util.List getGarbageCollectorMXBeans()>();
v = interfaceinvoke v.<java.util.List: java.util.Iterator iterator()>();
label:
v = interfaceinvoke v.<java.util.Iterator: boolean hasNext()>();
if v == 0 goto label;
interfaceinvoke v.<java.util.Iterator: java.lang.Object next()>();
label:
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: javax.management.NotificationListener listener>;
interfaceinvoke v.<javax.management.NotificationEmitter: void removeNotificationListener(javax.management.NotificationListener)>(v);
label:
goto label;
label:
v := @caughtexception;
goto label;
label:
<org.openjdk.jmh.profile.GCProfiler$VMSupport: javax.management.NotificationListener listener> = null;
return;
catch java.lang.InterruptedException from label to label with label;
catch javax.management.ListenerNotFoundException from label to label with label;
}
public static synchronized org.openjdk.jmh.util.Multiset getChurn()
{
org.openjdk.jmh.util.Multiset v, v;
org.openjdk.jmh.util.HashMultiset v;
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: org.openjdk.jmh.util.Multiset churn>;
if v == null goto label;
v = <org.openjdk.jmh.profile.GCProfiler$VMSupport: org.openjdk.jmh.util.Multiset churn>;
goto label;
label:
v = new org.openjdk.jmh.util.HashMultiset;
v = v;
specialinvoke v.<org.openjdk.jmh.util.HashMultiset: void <init>()>();
label:
return v;
}
static void <clinit>()
{
boolean v, v;
v = staticinvoke <org.openjdk.jmh.profile.GCProfiler$VMSupport: boolean tryInitAlloc()>();
<org.openjdk.jmh.profile.GCProfiler$VMSupport: boolean ALLOC_AVAILABLE> = v;
v = staticinvoke <org.openjdk.jmh.profile.GCProfiler$VMSupport: boolean tryInitChurn()>();
<org.openjdk.jmh.profile.GCProfiler$VMSupport: boolean CHURN_AVAILABLE> = v;
return;
}
}