public class org.terracotta.offheapstore.util.PhysicalMemory
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.terracotta.offheapstore.util.PhysicalMemory
super_class: java.lang.Object
{
private static final org.slf4j.Logger LOGGER;
descriptor: Lorg/slf4j/Logger;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static final java.lang.management.OperatingSystemMXBean OS_BEAN;
descriptor: Ljava/lang/management/OperatingSystemMXBean;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc Lorg/terracotta/offheapstore/util/PhysicalMemory;
invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
putstatic org.terracotta.offheapstore.util.PhysicalMemory.LOGGER:Lorg/slf4j/Logger;
1: invokestatic java.lang.management.ManagementFactory.getOperatingSystemMXBean:()Ljava/lang/management/OperatingSystemMXBean;
putstatic org.terracotta.offheapstore.util.PhysicalMemory.OS_BEAN:Ljava/lang/management/OperatingSystemMXBean;
return
LocalVariableTable:
Start End Slot Name Signature
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/terracotta/offheapstore/util/PhysicalMemory;
public static java.lang.Long totalPhysicalMemory();
descriptor: ()Ljava/lang/Long;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc "getTotalPhysicalMemorySize"
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.getAttribute:(Ljava/lang/String;)Ljava/lang/Object;
checkcast java.lang.Long
areturn
LocalVariableTable:
Start End Slot Name Signature
public static java.lang.Long freePhysicalMemory();
descriptor: ()Ljava/lang/Long;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc "getFreePhysicalMemorySize"
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.getAttribute:(Ljava/lang/String;)Ljava/lang/Object;
checkcast java.lang.Long
areturn
LocalVariableTable:
Start End Slot Name Signature
public static java.lang.Long totalSwapSpace();
descriptor: ()Ljava/lang/Long;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc "getTotalSwapSpaceSize"
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.getAttribute:(Ljava/lang/String;)Ljava/lang/Object;
checkcast java.lang.Long
areturn
LocalVariableTable:
Start End Slot Name Signature
public static java.lang.Long freeSwapSpace();
descriptor: ()Ljava/lang/Long;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc "getFreeSwapSpaceSize"
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.getAttribute:(Ljava/lang/String;)Ljava/lang/Object;
checkcast java.lang.Long
areturn
LocalVariableTable:
Start End Slot Name Signature
public static java.lang.Long ourCommittedVirtualMemory();
descriptor: ()Ljava/lang/Long;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc "getCommittedVirtualMemorySize"
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.getAttribute:(Ljava/lang/String;)Ljava/lang/Object;
checkcast java.lang.Long
areturn
LocalVariableTable:
Start End Slot Name Signature
private static <T> T getAttribute(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/lang/Object;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=3, locals=4, args_size=1
start local 0 0: getstatic org.terracotta.offheapstore.util.PhysicalMemory.LOGGER:Lorg/slf4j/Logger;
ldc "Bean lookup for {}"
aload 0
invokeinterface org.slf4j.Logger.trace:(Ljava/lang/String;Ljava/lang/Object;)V
1: getstatic org.terracotta.offheapstore.util.PhysicalMemory.OS_BEAN:Ljava/lang/management/OperatingSystemMXBean;
invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
astore 1
start local 1 2: goto 7
3: StackMap locals: java.lang.Class
StackMap stack:
aload 0
aload 1
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.invokeyMethod:(Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Object;
astore 2
start local 2 4: aload 2
ifnull 6
5: aload 2
areturn
end local 2 6: StackMap locals:
StackMap stack:
aload 1
invokevirtual java.lang.Class.getSuperclass:()Ljava/lang/Class;
astore 1
StackMap locals:
StackMap stack:
7: aload 1
ifnonnull 3
end local 1 8: getstatic org.terracotta.offheapstore.util.PhysicalMemory.OS_BEAN:Ljava/lang/management/OperatingSystemMXBean;
invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
invokevirtual java.lang.Class.getInterfaces:()[Ljava/lang/Class;
dup
astore 2
arraylength
ifeq 11
aload 2
iconst_0
aaload
astore 1
start local 1 9: aload 0
aload 1
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.invokeyMethod:(Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Object;
astore 3
start local 3 10: aload 3
areturn
end local 3 end local 1 11: StackMap locals:
StackMap stack:
getstatic org.terracotta.offheapstore.util.PhysicalMemory.LOGGER:Lorg/slf4j/Logger;
ldc "Returning null for {}"
aload 0
invokeinterface org.slf4j.Logger.trace:(Ljava/lang/String;Ljava/lang/Object;)V
12: aconst_null
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 13 0 name Ljava/lang/String;
2 8 1 s Ljava/lang/Class<*>;
4 6 2 result TT;
9 11 1 i Ljava/lang/Class<*>;
10 11 3 result TT;
Signature: <T:Ljava/lang/Object;>(Ljava/lang/String;)TT;
MethodParameters:
Name Flags
name
private static <T> T invokeyMethod(java.lang.String, java.lang.Class<?>);
descriptor: (Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Object;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=4, locals=3, args_size=2
start local 0 start local 1 0: aload 1
aload 0
iconst_0
anewarray java.lang.Class
invokevirtual java.lang.Class.getMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
getstatic org.terracotta.offheapstore.util.PhysicalMemory.OS_BEAN:Ljava/lang/management/OperatingSystemMXBean;
iconst_0
anewarray java.lang.Object
invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
astore 2
start local 2 1: getstatic org.terracotta.offheapstore.util.PhysicalMemory.LOGGER:Lorg/slf4j/Logger;
ldc "Bean lookup successful using {}, got {}"
aload 1
aload 2
invokeinterface org.slf4j.Logger.trace:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
2: aload 2
3: areturn
end local 2 4: StackMap locals:
StackMap stack: java.lang.Exception
astore 2
start local 2 5: getstatic org.terracotta.offheapstore.util.PhysicalMemory.LOGGER:Lorg/slf4j/Logger;
ldc "Bean lookup failed on {}"
aload 1
aload 2
invokeinterface org.slf4j.Logger.trace:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
end local 2 6: aconst_null
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 name Ljava/lang/String;
0 7 1 s Ljava/lang/Class<*>;
1 4 2 result TT;
5 6 2 e Ljava/lang/Exception;
Exception table:
from to target type
0 3 4 Class java.lang.SecurityException
0 3 4 Class java.lang.reflect.InvocationTargetException
0 3 4 Class java.lang.IllegalArgumentException
0 3 4 Class java.lang.IllegalAccessException
0 3 4 Class java.lang.NoSuchMethodException
Signature: <T:Ljava/lang/Object;>(Ljava/lang/String;Ljava/lang/Class<*>;)TT;
MethodParameters:
Name Flags
name
s
public static void main(java.lang.String[]);
descriptor: ([Ljava/lang/String;)V
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=4, locals=1, args_size=1
start local 0 0: getstatic java.lang.System.out:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc "Total Physical Memory: "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.totalPhysicalMemory:()Ljava/lang/Long;
invokevirtual java.lang.Long.longValue:()J
invokestatic org.terracotta.offheapstore.util.DebuggingUtils.toBase2SuffixedString:(J)Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc "B"
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
1: getstatic java.lang.System.out:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc "Free Physical Memory: "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.freePhysicalMemory:()Ljava/lang/Long;
invokevirtual java.lang.Long.longValue:()J
invokestatic org.terracotta.offheapstore.util.DebuggingUtils.toBase2SuffixedString:(J)Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc "B"
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
2: getstatic java.lang.System.out:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc "Total Swap Space: "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.totalSwapSpace:()Ljava/lang/Long;
invokevirtual java.lang.Long.longValue:()J
invokestatic org.terracotta.offheapstore.util.DebuggingUtils.toBase2SuffixedString:(J)Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc "B"
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
3: getstatic java.lang.System.out:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc "Free Swap Space: "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.freeSwapSpace:()Ljava/lang/Long;
invokevirtual java.lang.Long.longValue:()J
invokestatic org.terracotta.offheapstore.util.DebuggingUtils.toBase2SuffixedString:(J)Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc "B"
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
4: getstatic java.lang.System.out:Ljava/io/PrintStream;
new java.lang.StringBuilder
dup
ldc "Committed Virtual Memory: "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
invokestatic org.terracotta.offheapstore.util.PhysicalMemory.ourCommittedVirtualMemory:()Ljava/lang/Long;
invokevirtual java.lang.Long.longValue:()J
invokestatic org.terracotta.offheapstore.util.DebuggingUtils.toBase2SuffixedString:(J)Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc "B"
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
5: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 args [Ljava/lang/String;
MethodParameters:
Name Flags
args
}
SourceFile: "PhysicalMemory.java"