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OpenVMS System Management Utilities Reference
Manual
H.4.2.8 LOCK Class Record
The LOCK class record contains data describing the operation of the
lock management subsystem. The LOCK class record has a record type of 7
and a size of 53 bytes.
Figure H-15 illustrates the format of the LOCK class record.
Figure H-15 LOCK Class Record Format
The following table describes the fields in the data block for the LOCK
class record.
Field |
Symbolic Offset |
Contents |
New ENQs
|
MNR_LCK$L_ENQNEW
|
Count of new ENQ (lock) requests (longword,C)
|
Converted ENQs
|
MNR_LCK$L_ENQCVT
|
Count of converted ENQ (lock) requests (longword,C)
|
DEQs
|
MNR_LCK$L_DEQ
|
Count of DEQ (unlock) requests (longword,C)
|
Blocking ASTs
|
MNR_LCK$L_BLKAST
|
Count of blocking ASTs queued (longword,C)
|
ENQ Waits
|
MNR_LCK$L_ENQWAIT
|
Count of times a lock could not be granted immediately and waited
(longword,C)
|
ENQs Not Queued
|
MNR_LCK$L_ENQNOTQD
|
Count of times a lock could not be granted immediately and got an error
status instead of waiting (longword,C)
|
Deadlock Searches
|
MNR_LCK$L_DLCKSRCH
|
Count of times that a deadlock search was performed (longword,C)
|
Deadlocks Found
|
MNR_LCK$L_DLCKFND
|
Count of times that a deadlock was found (longword,C)
|
Current Locks
|
MNR_LCK$L_NUMLOCKS
|
Number of locks currently in the system (longword,L)
|
Current Resources
|
MNR_LCK$L_NUMRES
|
Number of resources currently in the system (longword,L)
|
H.4.2.9 MODES Class Record
The MODES class record contains data describing time spent in each of
the processor modes. The MODES class record has a record type of 2; its
size depends on the number of active CPUs on the system being
monitored. The size, in bytes, is calculated by adding the size of the
class header, the class prefix, and the data blocks contained in the
record. This is shown in the following formula, which assumes that all
CPUs are active:
13 + 8 + (33 * MNR_SYI$B_MPCPUS)
|
Figure H-16 illustrates the format of the MODES class record.
Figure H-16 MODES Class Record Format
The following table describes the fields in the data block for the
MODES class record.
Field |
Symbolic Offset |
Contents |
CPU ID
|
MNR_MOD$B_CPUID
|
CPU identification (byte,I)
|
Interrupt Stack
|
MNR_MOD$L_INTER
|
Count of clock ticks (10-millisecond units) spent on interrupt stack
since system was booted (longword,C)
|
MP Synchronization
|
MNR_MOD$L_MPSYNC
|
Count of clock ticks spent synchronizing multiple CPUs since system boot
|
Kernel
|
MNR_MOD$L_KERNEL
|
Count of clock ticks spent in kernel mode, excluding interrupt stack
time, since system boot (longword,C)
|
Executive
|
MNR_MOD$L_EXEC
|
Count of clock ticks spent in executive mode since system boot
(longword,C)
|
Supervisor
|
MNR_MOD$L_SUPER
|
Count of clock ticks spent in supervisor mode since system boot
(longword,C)
|
User
|
MNR_MOD$L_USER
|
Count of clock ticks spent in user mode, excluding compatibility mode
time since system boot (longword,C)
|
Compatibility
|
MNR_MOD$L_COMPAT
|
Count of clock ticks boot spent in compatibility mode since system boot
(longword,C)
|
Idle
|
MNR_MOD$L_IDLE
|
Count of clock ticks spent executing the NULL process since system boot
(longword,C)
|
H.4.2.10 MSCP_SERVER Class Record
The MSCP_SERVER class record contains data describing activities of the
MSCP server. The MSCP_SERVER class record has a record type of 21 and a
size of 65 bytes.
Figure H-17 illustrates the format of the MSCP_SERVER class record.
Figure H-17 MSCP_SERVER Class Record Format
The following table describes the fields in the data block for the
MSCP_SERVER class record.
Field |
Symbolic Offset |
Contents |
Requests
|
MNR_MSC$L_REQUEST
|
Count of requests for I/O transfers by remote processors (longword,C)
|
Reads
|
MNR_MSC$L_READ
|
Count of requests for Read I/O transfers by remote processors
(longword,C)
|
Writes
|
MNR_MSC$L_WRITE
|
Count of requests for Write I/O transfers by remote processors
(longword,C)
|
Fragments
|
MNR_MSC$L_FRAGMENT
|
Count of extra fragments issued by the server (longword,C)
|
Splits
|
MNR_MSC$L_SPLIT
|
Count of fragmented requests issued by the server (longword,C)
|
Buffer Waits
|
MNR_MSC$L_BUFWAIT
|
Count of requests that had to wait for MSCP buffer memory (longword,C)
|
1 Block I/Os
|
MNR_MSC$L_SIZE1
|
Count of I/O requests with a length of one block (longword,C)
|
2---3 Block I/Os
|
MNR_MSC$L_SIZE2
|
Count of I/O requests with a length of 2 to 3 blocks (longword,C)
|
4---7 Block I/Os
|
MNR_MSC$L_SIZE3
|
Count of I/O requests with a length of 4 to 7 blocks (longword,C)
|
8---15 Block I/Os
|
MNR_MSC$L_SIZE4
|
Count of I/O requests with a length of 8 to 15 blocks (longword,C)
|
16---31 Block I/Os
|
MNR_MSC$L_SIZE5
|
Count of I/O requests with a length of 16 to 31 blocks (longword,C)
|
32---63 Block I/Os
|
MNR_MSC$L_SIZE6
|
Count of I/O requests with a length of 32 to 63 blocks (longword,C)
|
64+ Block I/Os
|
MNR_MSC$L_SIZE7
|
Count of I/O requests with a length equal to or greater than 64 blocks
(longword,C)
|
H.4.2.11 PAGE Class Record
The PAGE class record contains data describing the operation of the
page management subsystem. The PAGE class record has a record type of 3
and a size of 65 bytes.
Figure H-18 illustrates the format of the PAGE class record.
Figure H-18 PAGE Class Record Format
The following table describes the fields in the data block for the PAGE
class record.
Field |
Symbolic Offset |
Contents |
Page Faults
|
MNR_PAG$L_FAULTS
|
Count of page faults for all working set (longword,C)
|
Reads
|
MNR_PAG$L_PREADS
|
Count of pages read from disk as a result of page faults (longword,C)
|
Read I/Os
|
MNR_PAG$L_PREADIO
|
Count of read I/Os as a result of operations from disk page faults
(longword,C)
|
Writes
|
MNR_PAG$L_PWRITES
|
Count of pages written to the page file (longword,C)
|
Write I/Os
|
MNR_PAG$L_PWRITIO
|
Count of write I/O operations to the page file (longword,C)
|
Free-page
List Faults
|
MNR_PAG$L_FREFLTS
|
Count of pages read from the free list as a result of page faults
(longword,C)
|
Modified-page
List Faults
|
MNR_PAG$L_MFYFLTS
|
Count of pages read from the modified list as a result of page faults
(longword,C)
|
Demand-zero
Faults
|
MNR_PAG$L_DZROFLTS
|
Count of zero-filled pages allocated as a result of faults (longword,C)
|
Global Valid
Faults
|
MNR_PAG$L_GVALID
|
Count of page faults for which the reference page was found to be valid
in the system global page tables (longword,C)
|
Write-in-Progress
Faults
|
MNR_PAG$L_WRTINPROG
|
Count of pages read that were in the process of being written back to
disk when faulted (longword,C)
|
System Faults
|
MNR_PAG$L_SYSFAULTS
|
Count of page faults for which the referenced page is in system space
(longword,C)
|
Free-page Count
|
MNR_PAG$L_FREECNT
|
Number of pages currently on free-page list (longword,L)
|
Modified-page
Count
|
MNR_PAG$L_MFYCNT
|
Number of pages currently on modified-page list (longword,L)
|
H.4.2.12 PROCESSES Class Record
The PROCESSES class record contains data describing all processes in
the system. The PROCESSES class record has a record type of 0; its size
depends on the number of processes being monitored. The size, in bytes,
is calculated by adding the size of the class header, the class prefix,
and the data blocks contained in the record. This is shown in the
following formula:
13 + 8 + (67 * the value of MNR_CMP$L_ELTCT)
|
Figure H-19 illustrates the format of the PROCESSES class record.
Figure H-19 PROCESSES Class Record Format
The following table describes the fields in the data block for the
PROCESSES class record.
Field |
Symbolic Offset |
Contents |
Internal Process ID
|
MNR_PRO$L_IPID
|
Internal process identification (longword,I)
|
UIC
|
MNR_PRO$L_UIC
|
User identification code (Group is high-order word; Member is low-order
word) (longword,I)
|
State
|
MNR_PRO$W_STATE
|
Current scheduling state code (word,I)
|
Priority
|
MNR_PRO$B_PRI
|
Current software priority (complement of 31) (byte,I)
|
Name
|
MNR_PRO$T_LNAME
|
Process name (counted ASCII string) (16 bytes,I)
|
Global Page Count
|
MNR_PRO$L_GPGCNT
|
Current global page count (longword,L)
|
Process Page Count
|
MNR_PRO$L_PPGCNT
|
Current process page count (longword,L)
|
Status Flags
|
MNR_PRO$L_STS
|
Software process status flags (PCB$V_RES bit clear implies swapped out)
(longword,I)
|
Direct I/Os
|
MNR_PRO$L_DIOCNT
|
Direct I/O count (0 if swapped out) (longword,C)
|
Page Faults
|
MNR_PRO$L_PAGEFLTS
|
Page fault count (0 if swapped out) (longword,C)
|
CPU Time
|
MNR_PRO$L_CPUTIM
|
Accumulated CPU time, in 10 ms ticks (0 if swapped out) (longword,C)
|
Buffered I/Os
|
MNR_PRO$L_BIOCNT
|
Buffered I/O count (0 if swapped out) (longword,C)
|
Extended Process ID
|
MNR_PRO$L_EPID
|
Extended process identification (longword,I)
|
Event Flag Weight Mask
|
MNR_PRO$L_EFWM
|
Event flag wait mask (used for MWAITs) (longword, I)
|
RBS Transitions
|
MNR_PRO$L_RBSTRAN
|
Real balance slot transitions (longword, C)
|
H.4.2.13 RLOCK Class Record
The RLOCK class record contains data that is useful for monitoring the
dynamic lock remastering statistics of a node. The RLOCK class record
has a record type of 27 and a size of 41 bytes.
Figure H-20 illustrates the format of the RLOCK class record.
Figure H-20 RLOCK Class Record Format
The following table describes the fields in the data block for the
RLOCK class record.
Field |
Symbolic Offset |
Contents |
Lock Tree Outbound
|
MNR_RLO$L_RM_UNLOAD
|
Count of lock trees that are moved from this node.
|
Lock Tree-Higher Activity
|
MNR_RLO$L_RM_MORE_ACT
|
Count of trees that are moved due to higher locking activity on another
node in the cluster.
|
Lock Tree-Higher LCKDIRWT
|
MNR_RLO$L_RM_BETTER
|
Count of trees that are moved to a node with a higher value of the
system parameter LCKDIRWT.
|
Sole Interest
|
MNR_RLO$L_RM_SINGLE
|
Count of trees that are moved to another node because that node is the
only one with locks remaining on the tree.
|
Remaster Msg Sent
|
MNR_RLO$L_RM_MSG_SENT
|
Count of remaster messages sent from this node.
|
Lock Tree Inbound
|
MNR_RLO$L_RM_ACQUIRE
|
Count of trees that are moved to this node.
|
Remaster Msg Received
|
MNR_RLO$L_RM_MSG_RCV
|
Count of remaster messages received on this node.
|
H.4.2.14 RMS Class Record
The RMS class record contains data describing Record Management
Services for specified files. The RMS class record has a record type of
20. Use the following formula to calculate the record size (the formula
calculates the size by adding the size of the class header, the class
prefix, and the data blocks contained in the record):
13 + 8 + (273 * MNR_CMP$L_ELTCT)
|
Figure H-21 illustrates the format of the RMS class record.
Figure H-21 RMS Class Record Format
The following table describes the fields in the data block for the RMS
class record.
Field |
Symbolic Offset |
Contents |
File Number (Num)
|
MNR_RMS$B_FILNUM
|
Sequential number of the file (byte,I)
|
File Organization
|
MNR_RMS$L_ORG
|
Organization of the file (longword,I)
|
Reserved
|
MNR_RMS$L_RESERVED1
|
Reserved (longword)
|
Sequential GETs
|
MNR_RMS$L_SEQGETS
|
Count of sequential $GETs to the file (longword,C)
|
Key GETs
|
MNR_RMS$L_KEYGETS
|
Count of keyed $GETs to the file (longword,C)
|
RFA GETs
|
MNR_RMS$L_RFAGETS
|
Count of $GETs by record-file-address to the file (longword,C)
|
GET Bytes
|
MNR_RMS$Q_GETBYTES
|
Total number of bytes required for all $GETs issued (quadword,C)
|
Sequential PUTs
|
MNR_RMS$L_SEQPUTS
|
Count of sequential $PUTs to the file (longword,C)
|
Key PUTs
|
MNR_RMS$L_KEYPUTS
|
Count of keyed $PUTs to the file (longword,C)
|
PUT Bytes
|
MNR_RMS$Q_PUTBYTES
|
Total number of bytes required for all $PUTs issued (quadword,C)
|
UPDATEs
|
MNR_RMS$L_UPDATES
|
Count of $UPDATEs to the file (longword,C)
|
UPDATE Bytes
|
MNR_RMS$Q_UPDATEBYTES
|
Total number of bytes required for all $UPDATEs issued (quadword,C)
|
DELETEs
|
MNR_RMS$L_DELETES
|
Count of $DELETEs to the file (longword,C)
|
TRUNCATEs
|
MNR_RMS$L_TRUNCATES
|
Count of $TRUNCATEs to the file (longword,C)
|
TRUNCATE Blocks
|
MNR_RMS$L_TRUNCBLKS
|
Total blocks required for all $TRUNCATEs issued (longword,C)
|
Sequential FINDs
|
MNR_RMS$L_SEQFINDS
|
Count of sequential $FINDs to the file (longword,C)
|
Key FINDs
|
MNR_RMS$L_KEYFINDS
|
Count of keyed $FINDs to the file (longword,C)
|
RFA FINDs
|
MNR_RMS$L_RFAFINDS
|
Count of $FINDs by record-file-address to the file (longword,C)
|
READs
|
MNR_RMS$L_READS
|
Count of $READs to the file (longword,C)
|
READ Bytes
|
MNR_RMS$Q_READBYTES
|
Total bytes required for all $READs to the file (quadword,C)
|
CONNECTs
|
MNR_RMS$L_CONNECTS
|
Count of $CONNECTs to the file (longword,C)
|
DISCONNECTs
|
MNR_RMS$L_DISCONNECTS
|
Count of $DISCONNECTs to the file (longword,C)
|
EXTENDs
|
MNR_RMS$L_EXTENDS
|
Count of $EXTENDs to the file (longword,C)
|
EXTEND Blocks
|
MNR_RMS$L_EXTBLOCKS
|
Total blocks required for all EXTENDs to the file (longword,C)
|
FLUSHes
|
MNR_RMS$L_FLUSHES
|
Count of $FLUSHes to the file (longword,C)
|
REWINDs
|
MNR_RMS$L_REWINDS
|
Count of $REWINDs to the file (longword,C)
|
WRITES
|
MNR_RMS$L_WRITES
|
Count of $WRITES to the file (longword,C)
|
WRITE Bytes
|
MNR_RMS$Q_WRITEBYTES
|
Total bytes required for all $WRITEs issued (quadword,C)
|
File Lock ENQs
|
MNR_RMS$L_FLCKENQS
|
Count of file lock ENQs to the file (longword,C)
|
File Lock DEQs
|
MNR_RMS$L_FLCKDEQS
|
Count of file lock DEQs to the file (longword,C)
|
File Lock Conversions
|
MNR_RMS$L_FLCKCNVS
|
Count of file lock conversions for the file (longword,C)
|
Local Buffer ENQs
|
MNR_RMS$L_LBLCKENQS
|
Count of local buffer ENQs to the file (longword,C)
|
Local Buffer DEQs
|
MNR_RMS$L_LBLCKDEQS
|
Count of local buffer DEQs to the file (longword,C)
|
Local Buffer Conversions
|
MNR_RMS$L_LBLCKCNVS
|
Count of local buffer conversions for the file (longword,C)
|
Global Buffer ENQs
|
MNR_RMS$L_GBLCKENQS
|
Count of global buffer ENQs to the file (longword,C)
|
Global Buffer DEQs
|
MNR_RMS$L_GBLCKDEQS
|
Count of global buffer DEQs to the file (longword,C)
|
Global Buffer Conversions
|
MNR_RMS$L_GBLCKCNVS
|
Count of global buffer conversions for the file (longword,C)
|
Global Section ENQs
|
MNR_RMS$L_GSLCKENQS
|
Count of global section ENQs to the file (longword,C)
|
Global Section DEQs
|
MNR_RMS$L_GSLCKDEQS
|
Count of global section DEQs to the file (longword,C)
|
Global Section Conversions
|
MNR_RMS$L_GSLCKCNVS
|
Count of global section conversions for the file (longword,C)
|
Record Lock ENQs
|
MNR_RMS$L_RLCKENQS
|
Count of record lock ENQs to the file (longword,C)
|
Record Lock DEQs
|
MNR_RMS$L_RLCKDEQS
|
Count of record lock DEQs to the file (longword,C)
|
Record Lock Conversions
|
MNR_RMS$L_RLCKCNVS
|
Count of record lock conversions for the file (longword,C)
|
Append Lock ENQs
|
MNR_RMS$L_APPLCKENQS
|
Count of append lock ENQs to the file (longword,C)
|
Append Lock DEQs
|
MNR_RMS$L_APPLCKDEQS
|
Count of append lock DEQs to the file (longword,C)
|
Append Lock Conversions
|
MNR_RMS$L_APPLCKCNVS
|
Count of append lock conversions for the file (longword,C)
|
File Lock Blocking ASTs
|
MNR_RMS$L_FLBLKASTS
|
Count of file lock blocking ASTs for the file (longword,C)
|
Local Buffer Blocking ASTs
|
MNR_RMS$L_LBLBLKASTS
|
Count of local buffer blocking ASTs for the file (longword,C)
|
Global Buffer Blocking ASTs
|
MNR_RMS$L_GBLBLKASTS
|
Count of global buffer blocking ASTs for the file (longword,C)
|
Append Lock Blocking ASTs
|
MNR_RMS$L_APPBLKASTS
|
Count of apppend lock blocking ASTs for the file (longword,C)
|
Local Cache Hits
|
MNR_RMS$L_LCACHEHITS
|
Count of local cache hits for the file (longword,C)
|
Local Cache Attempts
|
MNR_RMS$L_LCACHEATT
|
Count of local cache attempts for the file (longword,C)
|
Global Cache Hits
|
MNR_RMS$L_GCACHEHITS
|
Count of global cache hits for the file (longword,C)
|
Global Cache Attempts
|
MNR_RMS$L_GCACHEATT
|
Count of global cache attempts for the file (longword,C)
|
Global Buffer Read I/Os
|
MNR_RMS$L_GBRDIRIOS
|
Count of global buffer read I/Os for the file (longword,C)
|
Global Buffer Write I/Os
|
MNR_RMS$L_GBWDIRIOS
|
Count of global buffer write I/Os for the file (longword,C)
|
Local Buffer Read I/Os
|
MNR_RMS$L_LBRDIRIOS
|
Count of local buffer read I/Os for the file (longword,C)
|
Local Buffer Write I/Os
|
MNR_RMS$L_LBWDIRIOS
|
Count of local buffer write I/Os for the file (longword,C)
|
Bucket Splits
|
MNR_RMS$L_BKTSPLT
|
Count of bucket splits for the file (longword,C)
|
Multibucket Splits
|
MNR_RMS$L_MBKTSPLT
|
Count of multibucket splits for the file (longword,C)
|
Opens
|
MNR_RMS$L_OPENS
|
Count of the times the file was opened (longword,C)
|
Closes
|
MNR_RMS$L_CLOSES
|
Count of the times the file was closed (longword,C)
|
Reserved
|
MNR_RMS$L_RESERVED2
|
Reserved (longword)
|
Reserved
|
MNR_RMS$L_RESERVED3
|
Reserved (longword)
|
|