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General Programming Concepts: Writing and Debugging Programs

Trace Hook IDs: 1A4 through 1BF

The following trace hook IDs are stored in the /usr/include/sys/trchkid.h file.

1A4 : HKWD SYSC GETRLIMIT

This event is recorded by the getrlimit subroutine.

Recorded Data

Event:

getrlimit resource=0 CPU TIME
getrlimit resource=1 MAX FILE SIZE
getrlimit resource=2 DATA SEGMENT SIZE
getrlimit resource=3 SIZE SIZE
getrlimit resource=4 CORE FILE SIZE
getrlimit resource=5 RESIDENT SET SIZE

1A5 : HKWD SYSC SETRLIMIT

This event is recorded by the setrlimit subroutine.

Recorded Data

Event:

setrlimit resource=0 CPU TIME
setrlimit resource=1 MAX FILE SIZE
setrlimit resource=2 DATA SEGMENT SIZE
setrlimit resource=3 SIZE SIZE
setrlimit resource=4 CORE FILE SIZE
setrlimit resource=5 RESIDENT SET SIZE

1A6 : HKWD SYSC GETRUSAGE

This event is recorded by the getrusage subroutine.

Recorded Data

Event:

getrusage who=value of self
getrusage who=value of children

who=value

Possible values:

RUSAGE_SELF

RUSAGE_CHILDREN

1A7 : HKWD SYSC GETPRIORITY

This event is recorded by the getpriority subroutine.

Recorded Data

Event:

getpriority of process process id process name
getpriority of process group process id process name
getpriority of uid (current process)

1A8 : HKWD SYSC SETPRIORITY

This event is recorded by the setpriority subroutine.

Recorded Data

Event:

setpriority of process process id process name
setpriority of process group process id process name
setpriority of uid (current process)

1A9 : HKWD SYSC ABSINTERVAL

This event is recorded by the absinterval subroutine.

Recorded Data

absinterval timerid=value

timerid=value: Timer identifier.

1AA : HKWD SYSC GETINTERVAL

This event is recorded by the getinterval subroutine.

Recorded Data

getinterval timerid=value

timerid=value: Timer identifier.

1AB : HKWD SYSC GETTIMER

This event is recorded by the gettimer subroutine.

Recorded Data

gettimer timer_type=value

timer_type=value: Timer type.

1AC : HKWD SYSC INCINTERVAL

This event is recorded by the incinterval subroutine.

Recorded Data

incinterval timerid=value

timerid=value: Timer identifier.

1AD : HKWD SYSC RESTIMER

This event is recorded by the restimer subroutine.

Recorded Data

restimer timer_type=value

timer_type=value: Timer type.

1AE : HKWD SYSC RESABS

This event is recorded by the resabs subroutine.

Recorded Data

resabs timer_type=value

timer_type=value: Timer type.

1AF : HKWD SYSC RESINC

This event is recorded by the resinc subroutine.

Recorded Data

resinc timer_type=value

timer_type=value: Timer type.

1B0 : HKWD VMM ASSIGN

This event is recorded by the virtual memory manager.

Recorded Data

VMM page assign: V.S=value.value ppage=value segment state	Assign a real page frame to a segment
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number
segment state	Segment state information:
WS	Working storage
WS_delete	Working storage with delete pending
delete_pending
delete_in_progress
delete_when_iodone
working_storage
client_segment
persistent_storage
journalled
log
deferred_update
system_segment
pta_segment
hidden
commit_in_progress
modified
(type 0)	Page-protection bits = 00
(type 1)	Page-protection bits = 01
(type 2)	Page-protection bits = 02 (type 3) Page-protection bits = 03.

1B1 : HKWD VMM DELETE

This event is recorded by the virtual memory manager.

Recorded Data

VMM page delete: V.S=value.value ppage=value segment state	Delete real page frame from a segment
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number *segment state* Segment state information.

1B2 : HKWD VMM PGEXCT

This event is recorded by the virtual memory manager.

Recorded Data

VMM pagefault: V.S=value.value segment state	Page fault (other than protection fault or hardware lock-miss faults)
V.S=value.value	Virtual page number and virtual memory identifier *segment state* Segment state information.

1B3 : HKWD VMM PROTEXCT

This event is recorded by the virtual memory manager.

Recorded Data

VMM protection fault: V.S=value.value ppage=value segment state	Page-protection fault
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number *segment state* Segment state information.

1B4 : HKWD VMM LOCKEXCT

This event is recorded by the virtual memory manager.

Recorded Data

VMM lockmiss: V.S=value.value ppage=value segment state	Hardware lock miss
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number *segment state* Segment state information.

1B5 : HKWD VMM RECLAIM

This event is recorded by the virtual memory manager.

Recorded Data

VMM reclaim: V.S=value.value ppage=value segment state	Reclaim a page in the I/O state
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number *segment state* Segment state information.

1B6 : HKWD VMM GETPARENT

This event is recorded by the virtual memory manager.

Recorded Data

VMM getparent: V.S=value.value ppage=value segment state	Move a page from the parent segment to the child segment
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number *segment state* Segment state information.

1B7 : HKWD VMN COPYPARENT

This event is recorded by the virtual memory manager.

Recorded Data

VMM copyparent: V.S=value.value ppage=value segment state
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number *segment state* Segment state information.

1B8 : HKWD VMN VMAP

This event is recorded by the virtual memory manager.

Recorded Data

VMM vmapped page: V.S=value.value ppage=value segment state	Page fault on a page mapped from the source segment to a target segment
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number *segment state* Segment state information.

1B9 : HKWD VMN ZFOD

This event is recorded by the virtual memory manager.

Recorded Data

VMM zero filled page: V.S=value.value ppage=value segment state	Zero-filled on the demand page fault
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number *segment state* Segment state information.

1BA : HKWD VMN SIO

This event is recorded by the virtual memory manager.

Recorded Data

VMM start io: V.S=value.value ppage=value segment state bp=value bflags	Start I/O for a page
V.S=value.value	Virtual page number and virtual memory identifier
ppage=value	Real page frame number
segment state	Segment state information
bp=value	Buffer pointer
bflags	Buffer flags:
B_READ	Pagein operation B_WRITE Pageout operation.

1BB : HKWD VMM SEGCREATE

This event is recorded by the virtual memory manager.

Recorded Data

VMM segment creation: S=value segment state	Creation of a virtual memory object
S=value	Virtual memory object identifier *segment state* Segment state information.

1BC : HKWD VMM SEGDELETE

This event is recorded by the virtual memory manager.

Recorded Data

VMM segment deletion: S=value segment state

Deletion by the virtual memory manager

S=value: Virtual memory object identifier
segment state: Segment state information.

1BD : HKWD VMM DALLOC

This event is recorded by the virtual memory manager.

Recorded Data

NOWRAP>VMM disk allocation: V.S=value.value dblk=dblk segment state pdtx/devid=value	Logical disk block allocation
V.S=value.value	Virtual page number and virtual memory object identifier
dblk=dblk	Logical disk block number
segment state	Segment state information **pdtx/devid=value** Paging device table index (file system) or device ID (paging space).

1BE : HKWD VMM PFEND

This event is recorded by the virtual memory manager.

Recorded Data

VMM page fault end: V.S=V.S ppage=value segment state error=error bflag=bflag	Virtual memory manager I/O done
V.S=V.S	Virtual page number and virtual memory identifier
ppage=value	Real page frame number
segment state	Segment state information
error=error	Exception value
bflag=bflag	Possible buffer flags:
B_READ	Pagein operation B_WRITE Pageout operation.

1BF : HKWD VMM EXCEPT

This event is recorded by the virtual memory manager.

Recorded Data

VMM exception: sregval=sregval vaddr=vaddr segment state error=error pid=pid	Exception within the virtual memory manager
sregval=sregval	Segment register value
vaddr=vaddr	Virtual address
segment state	Segment state information
error=error	Exception value **pid=pid** Process ID of the process receiving the exception.

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