inspectorj - Java(TM) Profiler

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Classes
struct	MethodInfo
	Data structure to hold method information. More...
struct	ClassInfo
	Data structure to hold class information. More...
struct	AgentGlobalContext
	Data structure to hold global data for the agent such as pointers to the JavaVM and the jvmtiEnv. More...
Defines
#define	MAX_TOKEN_LENGTH 256
	Max length of tokens.
#define	MAX_THREAD_NAME_LENGTH 512
	Max length of thread name.
#define	MAX_METHOD_NAME_LENGTH 1024
	Max length or method name.
#define	INSPECTORJ_class Mtrace
	Name of class we are using.
#define	INSPECTORJ_entry method_entry
	Name of java entry method.
#define	INSPECTORJ_exit method_exit
	Name of java exit method.
#define	INSPECTORJ_native_entry _method_entry
	Name of java entry native.
#define	INSPECTORJ_native_exit _method_exit
	Name of java exit native.
#define	INSPECTORJ_engaged engaged
	Name of java static field.
#define	_STRING(s) #s
#define	STRING(s) _STRING(s)
Functions
static void	deallocate (jvmtiEnv jvmti, void ptr)
	Deallocate all memory allocated by JVMTI.
static void *	allocate (jvmtiEnv *jvmti, jint len)
	Allocate JVMTI managed memory.
static void	enter_critical_section (jvmtiEnv *jvmti)
	Enter a critical section by doing a JVMTI Raw Monitor Enter.
static void	exit_critical_section (jvmtiEnv *jvmti)
	Exit a critical section by doing a JVMTI Raw Monitor Exit.
static void	get_thread_name (jvmtiEnv jvmti, jthread thread, char tname, int maxlen)
	Gets a name for a jthread.
static int	class_compar (const void e1, const void e2)
	Sort class compare routine.
static int	method_compar (const void e1, const void e2)
	Sort method compare routine.
static void	mnum_callbacks (unsigned cnum, const char names, const char sigs, int mcount)
	Callback from java_crw_demo() that gives us mnum mappings.
static void	INSPECTORJ_native_entry (JNIEnv *env, jclass klass, jobject thread, jint cnum, jint mnum)
	Java Native Method for entry.
static void	INSPECTORJ_native_exit (JNIEnv *env, jclass klass, jobject thread, jint cnum, jint mnum)
	Java Native Method for exit.
static void JNICALL	cbVMStart (jvmtiEnv jvmti, JNIEnv env)
	Callback for JVMTI_EVENT_VM_START.
void	startServer ()
	Start the agent server after VM_INIT.
static void JNICALL	cbVMInit (jvmtiEnv jvmti, JNIEnv env, jthread thread)
	Callback for JVMTI_EVENT_VM_INIT.
static void JNICALL	cbVMDeath (jvmtiEnv jvmti, JNIEnv env)
	Callback for JVMTI_EVENT_VM_DEATH.
static void JNICALL	cbThreadStart (jvmtiEnv jvmti, JNIEnv env, jthread thread)
	Callback for JVMTI_EVENT_THREAD_START.
static void JNICALL	cbThreadEnd (jvmtiEnv jvmti, JNIEnv env, jthread thread)
	Callback for JVMTI_EVENT_THREAD_END.
static void JNICALL	cbClassFileLoadHook (jvmtiEnv jvmti, JNIEnv env, jclass class_being_redefined, jobject loader, const char name, jobject protection_domain, jint class_data_len, const unsigned char class_data, jint new_class_data_len, unsigned char *new_class_data)
	Callback for JVMTI_EVENT_CLASS_FILE_LOAD_HOOK.
static void	parseOptions (char *options)
	Parse the options for this agent.
JNIEXPORT jint JNICALL	Agent_OnLoad (JavaVM vm, char options, void *reserved)
	Agent_OnLoad: This is called immediately after the shared library is loaded.
JNIEXPORT void JNICALL	Agent_OnUnload (JavaVM *vm)
	Agent_OnUnload: This is called immediately before the shared library is unloaded.
Variables
static AgentGlobalContext *	context

Define Documentation

#define INSPECTORJ_class Mtrace

Name of class we are using.

Definition at line 39 of file inspectorjagent.cpp.

Referenced by cbClassFileLoadHook(), cbVMDeath(), and cbVMStart().

#define INSPECTORJ_engaged engaged

Name of java static field.

Definition at line 44 of file inspectorjagent.cpp.

Referenced by cbVMDeath(), and cbVMStart().

#define INSPECTORJ_entry method_entry

Name of java entry method.

Definition at line 40 of file inspectorjagent.cpp.

Referenced by cbClassFileLoadHook().

#define INSPECTORJ_exit method_exit

Name of java exit method.

Definition at line 41 of file inspectorjagent.cpp.

Referenced by cbClassFileLoadHook().

#define INSPECTORJ_native_entry _method_entry

Name of java entry native.

Definition at line 42 of file inspectorjagent.cpp.

Referenced by cbVMStart().

#define INSPECTORJ_native_exit _method_exit

Name of java exit native.

Definition at line 43 of file inspectorjagent.cpp.

Referenced by cbVMStart().

#define MAX_METHOD_NAME_LENGTH 1024

Max length or method name.

Definition at line 38 of file inspectorjagent.cpp.

#define MAX_THREAD_NAME_LENGTH 512

Max length of thread name.

Definition at line 37 of file inspectorjagent.cpp.

Referenced by cbThreadEnd(), cbThreadStart(), and cbVMInit().

#define MAX_TOKEN_LENGTH 256

Max length of tokens.

Definition at line 36 of file inspectorjagent.cpp.

Referenced by parseOptions().

Function Documentation

JNIEXPORT jint JNICALL Agent_OnLoad	(	JavaVM *	vm,
		char *	options,
		void *	reserved
	)

Agent_OnLoad: This is called immediately after the shared library is loaded.

This is the first code executed.

Definition at line 731 of file inspectorjagent.cpp.

References cbClassFileLoadHook(), cbThreadEnd(), cbThreadStart(), cbVMDeath(), cbVMInit(), cbVMStart(), check_jvmti_error(), context, AgentGlobalContext::jvmti, AgentGlobalContext::lock, parseOptions(), and AgentGlobalContext::vm.

JNIEXPORT void JNICALL Agent_OnUnload ( JavaVM * vm )

Agent_OnUnload: This is called immediately before the shared library is unloaded.

This is the last code executed.

Definition at line 832 of file inspectorjagent.cpp.

References AgentGlobalContext::ccount, AgentGlobalContext::classes, AgentGlobalContext::cmdHandler, context, inspectorj::agent::AgentServer::isStarted(), ClassInfo::methods, AgentGlobalContext::profile, AgentGlobalContext::regexFilterList, AgentGlobalContext::server, and inspectorj::agent::AgentServer::stop().

static void* allocate	(	jvmtiEnv *	jvmti,
		jint	len
	)			`[static]`

Allocate JVMTI managed memory.

Definition at line 117 of file inspectorjagent.cpp.

References check_jvmti_error().

Referenced by cbClassFileLoadHook().

static void JNICALL cbClassFileLoadHook	(	jvmtiEnv *	jvmti,
		JNIEnv *	env,
		jclass	class_being_redefined,
		jobject	loader,
		const char *	name,
		jobject	protection_domain,
		jint	class_data_len,
		const unsigned char *	class_data,
		jint *	new_class_data_len,
		unsigned char **	new_class_data
	)			`[static]`