Java Virtual Machines (JVM)

The fields in the JVM data model and Java Virtual Machines event category describe generic Java server platforms. Tags used with the Java Virtual Machines event category

Object name(s)	Tag name	Required?
Classloading	classloading	YES
Compilation	compilation	YES
JVM	jvm	YES
Operating System	os	YES
Memory	memory	YES
Threading	threading	YES
Runtime	runtime	YES

Fields for the Java Virtual Machines event category

Object name(s)	Field name	Data type	Description	Possible values
Classloading	current_loaded	int	The current count of classes loaded in the JVM
Classloading	total_loaded	int	The total count of classes loaded in the JVM
Classloading	total_unloaded	int	The total count of classes unloaded from the JVM
Compilation	compilation_time	int	Time taken by JIT compilation.
	dest	string	The system where the JVM is running. May be aliased from more specific fields, such as dest_host, dest_ip, or dest_name.
JVM	jvm_description	string	A description field provided in some data sources.
JVM	tag	string	This automatically generated field is used to access tags from within datamodels. Add-on builders do not need to populate it.
	jvm_name	string	The name of the JVM, such as HotSpot.
	jvm_process_name	string	The process name of the JVM, such as java.exe.
	jvm_uptime	int	The JVM's current uptime, in seconds.
	jvm_vendor	string	The vendor of the JVM, such as Oracle.
	jvm_version	string	The version of the JVM, such as 1.6.0_45.
Memory	heap_committed	int	Committed amount of heap memory used by the JVM
Memory	heap_init	int	Initial amount of heap memory used by the JVM
Memory	heap_max	int	Maximum amount of heap memory used by the JVM
Memory	heap_used	int	Heap memory used by the JVM
Memory	non_heap_committed	int	Committed amount of non-heap memory used by the JVM
Memory	non_heap_init	int	Initial amount of non-heap memory used by the JVM
Memory	non_heap_max	int	Maximum amount of non-heap memory used by the JVM
Memory	non_heap_used	int	Non-heap memory used by the JVM
Memory	objects_pending	int	Number of objects pending in the JVM
OS	committed_memory	int	Amount of memory committed to the JVM
OS	cpu_time	int	Amount of CPU time taken by the JVM
OS	free_physical_memory	int	Amount of free physical memory remaining to the JVM
OS	free_swap	int	Amount of free swap memory remaining to the JVM
OS	max_file_descriptors	int	Maximum file descriptors available to the JVM
OS	open_file_descriptors	int	Number of file descriptors opened by the JVM
OS	os	string	OS that the JVM is running on
OS	os_architecture	string	OS architecture that the JVM is running on
OS	os_version	string	OS version that the JVM is running on
OS	physical_memory	int	Physical memory available to the OS that the JVM is running on
OS	swap_space	int	Swap memory space available to the OS that the JVM is running on
OS	system_load	int	System load of the OS that the JVM is running on
OS	total_processors	int	Total processor cores available to the OS that the JVM is running on
Runtime	start_time	timestamp	Start time of the JVM process
Runtime	process_name	string	Process name of the JVM process
Runtime	product	string	The JVM product or service. This field is used to automatically produce the vendor_product field used by data models.
Runtime	uptime	int	Uptime of the JVM process
Runtime	vendor	string	The vendor of the JVM. This field is used to automatically produce the vendor_product field used by data models.
Runtime	version	string	Version of the JVM.
Threading	cm_enabled	boolean	Indicates whether thread contention monitoring is enabled	true, false
Threading	cm_supported	boolean	Indicates whether the JVM supports thread contention monitoring	true, false
Threading	cpu_time_enabled	boolean	Indicates whether thread CPU time measurement is enabled	true, false
Threading	cpu_time_supported	boolean	Indicates whether the Java virtual machine supports CPU time measurement for the current thread	true, false
Threading	current_cpu_time	int	CPU-space time taken by the JVM, in seconds.
Threading	current_user_time	int	User-space time taken by the JVM, in seconds
Threading	daemon_thread_count	int	The JVM's current daemon count
Threading	omu_supported	boolean	Indicates whether the JVM supports monitoring of object monitor usage	true, false
Threading	peak_thread_count	int
	started_at	timestamp	The JVM's start time.
Threading	sync_supported	boolean	Indicates whether the JVM supports monitoring of ownable synchronizer usage	true, false
Threading	thread_count	int	The JVM's current thread count
	thread_peak	int	The JVM's peak thread count
Threading	threads_started	int	The total number of threads started in the JVM