Unter Mac OS X kann ich die HotSpot-Sonden der laufenden Java-Programme, indem Sie finden:Wie verwende ich die HotSpot DTrace-Sonden auf SmartOS?
[email protected] ~ (1) % sudo dtrace -ln 'hotspot*:::'
Password:
Invalid connection: com.apple.coresymbolicationd
ID PROVIDER MODULE FUNCTION NAME
165084 hotspot46 libjvm.dylib _ZN13instanceKlass15initialize_implE19instanceKlassHandleP6Thread [instanceKlass::initialize_impl(instanceKlassHandle, Thread*)] class-initialization-clinit
165085 hotspot46 libjvm.dylib _ZN13instanceKlass15initialize_implE19instanceKlassHandleP6Thread [instanceKlass::initialize_impl(instanceKlassHandle, Thread*)] class-initialization-concurrent
165086 hotspot46 libjvm.dylib _ZN13instanceKlass15initialize_implE19instanceKlassHandleP6Thread [instanceKlass::initialize_impl(instanceKlassHandle, Thread*)] class-initialization-end
165087 hotspot46 libjvm.dylib _ZN13instanceKlass15initialize_implE19instanceKlassHandleP6Thread [instanceKlass::initialize_impl(instanceKlassHandle, Thread*)] class-initialization-erroneous
165088 hotspot46 libjvm.dylib _ZN13instanceKlass15initialize_implE19instanceKlassHandleP6Thread [instanceKlass::initialize_impl(instanceKlassHandle, Thread*)] class-initialization-error
165089 hotspot46 libjvm.dylib _ZN13instanceKlass15initialize_implE19instanceKlassHandleP6Thread [instanceKlass::initialize_impl(instanceKlassHandle, Thread*)] class-initialization-recursive
...
Aber wenn ich ein einfaches Java-Programm erstellen und auf SmartOS laufen:
[email protected] ~ % cat Loop.java
class Loop {
public static void main(String[] args) throws InterruptedException {
while (true) {
Thread.sleep(5000);
}
}
}
[email protected] ~ % javac Loop.java
[email protected] ~ % java Loop
ich kann Finde keine Sonden:
[email protected] ~ (255) % pfexec dtrace -ln 'hotspot*:::'
ID PROVIDER MODULE FUNCTION NAME
dtrace: failed to match hotspot*:::: No probe matches description
Gibt es etwas Besonderes, das ich tun muss, um sie zu sehen?