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General Programming Concepts: Writing and Debugging Programs
Trace Hook IDs: 460 through 46E
The following trace hook IDs are stored in the /usr/include/sys/trchkid.h file.
460: HKWD KERN ASSERTWAIT
This event is recorded by the e_assert_wait kernel service.
Recorded Data
e_assert_wait: tid=tid anchor=anchor flag=flag lr=lr |
tid |
Thread ID of the calling kernel thread. |
anchor |
The event_word parameter; the anchor to the list of kernel threads waiting on this event. |
flag |
The interruptible parameter. |
lr |
Value of the link register, specifying the return address of the service. |
461: HKWD KERN CLEARWAIT
This event is recorded by the e_clear_wait kernel service.
Recorded Data
e_clear_wait: tid=tid anchor=anchor result=result lr=lr |
tid |
The tid parameter; the thread ID of the kernel thread to be awakened. |
anchor |
Anchor to the event list where the target thread is sleeping. |
result |
The result parameter; the value to return to the awkened thread. |
lr |
Value of the link register, specifying the return address of the service. |
462: HKWD KERN THREADBLOCK
This event is recorded by the e_block_thread kernel service.
Recorded Data
e_block_thread: tid=tid anchor=anchor t_flags=t_flags lr=lr |
|
tid |
Thread ID of the calling kernel thread. |
anchor |
Anchor to the event list where the kernel thread will sleep. |
t_flags |
Flags of the kernel thread. |
lr |
Value of the link register, specifying the return address of the service. |
463: HKWD KERN EMPSLEEP
This event is recorded by the e_mpsleep kernel service.
Recorded Data
e_mpsleep: tid=tid anchor=anchor timeout=timeout lock=lock flags=flags lr=lr |
|
tid |
Thread ID of the calling kernel thread. |
anchor |
The event_word parameter; the anchor to the list of kernel threads waiting on this event. |
timeout |
The timeout parameter; the timeout for the sleep. |
lock |
The lock_word parameter; the lock (simple or complex) to unlock by the kernel service. |
flags |
The flags parameter; the lock and signal handling options. |
lr |
Value of the link register, specifying the return address of the service. |
464: HKWD KERN EWAKEUPONE
This event is recorded by the e_wakeup_one kernel service.
Recorded Data
e_wakeup_one: tid=tid anchor=anchor lr=lr |
tid |
Thread ID of the calling kernel thread. |
anchor |
The event_word parameter; the anchor to the list of kernel threads waiting on this event. |
lr |
Value of the link register, specifying the return address of the service. |
465: HKWD SYSC CRTHREAD
This event is recorded by the thread_create system call.
Recorded Data
thread_create: pid=pid tid=tid priority=priority policy=policy |
pid |
Process ID of the calling kernel thread's process. |
tid |
Thread ID of the calling kernel thread. |
priority |
Priority of the new kernel thread. |
policy |
Scheduling policy of the new kernel thread. |
466: HKWD KERN KTHREADSTART
This event is recorded by the kthread_start kernel service.
Recorded Data
kthread_start: pid=pid tid=tid priority=priority policy=policy func=func |
pid |
Process ID of the calling kernel thread's process. |
tid |
The tid parameter; the thread ID of the kernel thread to start. |
priority |
Priority of the new kernel thread. |
policy |
Scheduling policy of the new kernel thread. |
func |
The i_func parameter, the address of the new kernel thread's entry-point routine. |
467: HKWD SYSC TERMTHREAD
This event is recorded by the thread_terminate system call.
Recorded Data
thread_terminate: pid=pid tid=tid |
pid |
Process ID of the calling kernel thread's process. |
tid |
Thread ID of the calling kernel thread. |
468: HKWD KERN KSUSPEND
This event is recorded by the ksuspend subroutine. This subroutine is used internally by the system and is undocumented.
Recorded Data
ksuspend: tid=tid p_suspended=suspended p_active=active |
tid |
Thread ID of the calling kernel thread. |
suspended |
Number of suspended kernel threads in the process. |
active |
Number of active (suspendable) kernel threads in the process. |
469: HKWD SYSC THREADSETSTATE
This event is recorded by the thread_setstate system call.
Recorded Data
thread_setstate: tid=tid t_state=t_state t_flags=t_flags priority=priority policy=policy |
tid |
Thread ID of the target kernel thread. |
t_state |
Current state of the kernel thread. Possible values: |
|
NONE |
|
IDLE |
|
RUN |
|
SLEEP |
|
SWAP |
|
STOP |
|
ZOMB |
t_flags |
New flags of the kernel thread. |
priority |
New priority of the kernel thread. |
policy |
New scheduling policy of the kernel thread. |
46A: HKWD SYSC THREADTERM ACK
This event is recorded by the thread_terminate_ack system call.
Recorded Data
thread_terminate_ack: current_tid=crt_tid target_tid=targ_tid |
crt_tid |
Thread ID of the calling kernel thread. |
targ_tid |
Thread ID of the target kernel thread. |
46B: HKWD SYSC THREADSETSCHED
This event is recorded by the thread_setsched system call.
Recorded Data
thread_setsched: pid=pid tid=tid priority=priority policy=policy |
pid |
Process ID of the calling kernel thread's process. |
tid |
The tid parameter; the thread ID of the target kernel thread. |
priority |
The priority parameter; the priority to set. |
policy |
The policy parameter; the scheduling policy to set. |
46C: HKWD KERN TIDSIG
This event is recorded by the tidsig subroutine. This subroutine is used internally by the system and is undocumented.
Recorded Data
tidsig: pid=pid tid=tid signal=signal lr=lr |
pid |
Process ID of the calling kernel thread's process. |
tid |
Thread ID of the calling kernel thread. |
signal |
Symbolic name of the delivered signal. |
lr |
Value of the link register, specifying the return address of the routine. |
46D: HKWD KERN WAITLOCK
This event is recorded by the wait_on_lock subroutine. This subroutine is used internally by the system and is undocumented.
Recorded Data
wait_on_lock: pid=pid tid=tid lockaddr=lockaddr |
pid |
Process ID of the calling kernel thread's process. |
tid |
Thread ID of the calling kernel thread. |
lockaddr |
Address of the lock. |
46E: HKWD KERN WAKEUPLOCK
This event is recorded by the wakeup_lock subroutine. This subroutine is used internally by the system and is undocumented.
Recorded Data
wakeup_lock: lockaddr=lockaddr waiters=waiters |
lockaddr |
Address of the lock. |
waiters |
Number of kernel threads remaining sleeping on the lock. |
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