global 
	/* syscall */
	HOOKID_SYSCALL_ENTRY, HOOKID_SYSCALL_RETURN, 

	/* process creation */
	HOOKID_PROCESS_FORK, HOOKID_PROCESS_EXECVE, 

	/* io scheduler */
	HOOKID_IOSCHED_NEXT_REQ, HOOKID_IOSCHED_ADD_REQ,
	HOOKID_IOSCHED_REMOVE_REQ,

	/* task dispatching */
	HOOKID_TASK_CTXSWITCH, HOOKID_TASK_CPUIDLE,

	/* backtrace */
	HOOKID_BT_CPUIDLE, HOOKID_BT_IOREQ_TO_SCSI,

	/* scsi */
	HOOKID_SCSI_IOENTRY, HOOKID_SCSI_IO_TO_LLD,
	HOOKID_SCSI_IODONE_BY_LLD, HOOKID_SCSI_IOCOMP_BY_MIDLEVEL

probe begin
{
	HOOKID_SYSCALL_ENTRY = 1
	HOOKID_SYSCALL_RETURN = 2

	HOOKID_PROCESS_EXECVE = 3
	HOOKID_PROCESS_FORK = 4

	HOOKID_IOSCHED_NEXT_REQ = 5
	 HOOKID_IOSCHED_ADD_REQ = 6
	HOOKID_IOSCHED_REMOVE_REQ = 7

	HOOKID_TASK_CTXSWITCH = 8
	HOOKID_TASK_CPUIDLE = 9

	HOOKID_BT_CPUIDLE = 10
	HOOKID_BT_IOREQ_TO_SCSI = 11

	HOOKID_SCSI_IOENTRY = 13
	HOOKID_SCSI_IO_TO_LLD = 14
	HOOKID_SCSI_IODONE_BY_LLD =15
	HOOKID_SCSI_IOCOMP_BY_MIDLEVEL = 16
}