OpenVMS Alpha System Analysis Tools Manual

Document revision date: 30 March 2001

OpenVMS Alpha System Analysis Tools Manual

Contents

Index

The qualifiers used on the SHOW POOL command determine which displays are generated. The default is the pool layout display, followed by the full pool packet display, followed by the pool summary display, these being generated in turn for Nonpaged Pool, Bus-Addressable Pool (if it exists in the system or dump being analyzed), and then Paged Pool.

If a range, type, or subtype is specified, then the pool layout display is not generated, and the pool summary display is a summary only for the range and/or type/subtype, and not for the entire pool.

Note that not all displays are relevant for all pool types. For example, Paged Pool has no lookaside lists, so the Paged Pool statistics display consists only of variable free pool information. And since there is a single ring buffer for all pools, only one ring buffer display is generated even if all pools are being displayed.

Packet-type

Each packet of pool has a type field (a byte containing a value in the range of 0-255). Many of these type values have names associated that are defined in $DYNDEF in SYS$LIBRARY:LIB.MLB. The packet-type specified in the /TYPE qualifier of the SHOW POOL command can either be the value of the pool type or its associated name.

Some pool packet-types have an additional subtype field (also a byte containing a value in the range of 0-255), many of which also have associated names. The packet-type specified in the /SUBTYPE qualifier of the SHOW POOL command can either be the value of the pool type or its associated name. However, if given as a value, a /TYPE qualifier (giving a value or name) must also be specified. Note also that /TYPE and /SUBTYPE are interchangeable if the packet-type is given by name. Table 4-15 shows several examples.

Table 4-15 /TYPE and /SUBTYPE Qualifier Examples
/TYPE and /SUBTYPE Qualifiers Meaning

/TYPE = CI All CI packets regardless of subtype

/TYPE = CI_MSG All CI packets with subtype CI_MSG

/TYPE = MISC/SUBTYPE = 120 All MISC packets with subtype 120

/TYPE = 0 or /TYPE = UNKNOWN All packets with an unknown TYPE/SUBTYPE combination

**Table 4-15 /TYPE and /SUBTYPE Qualifier Examples**
/TYPE and /SUBTYPE Qualifiers	Meaning
/TYPE = CI	All CI packets regardless of subtype
/TYPE = CI_MSG	All CI packets with subtype CI_MSG
/TYPE = MISC/SUBTYPE = 120	All MISC packets with subtype 120
/TYPE = 0 or /TYPE = UNKNOWN	All packets with an unknown TYPE/SUBTYPE combination

Examples

This example shows the Nonpaged Pool portion of the default SHOW POOL display.

2. SDA> SHOW POOL/TYPE=IPC/HEADER 8156E140:815912C0 Non-Paged Dynamic Storage Pool ------------------------------ Dump of packets allocated from Non-Paged Pool --------------------------------------------- Packet type/subtype Start Length RAD Header contents ------------------------- -------- -------- --- ----------------------------------------------------- IPC_TDB 8156E140 00000040 00 81591180 057B0040 00000040 81591180 ..Y.@...@.{...Y. IPC_LIST 815838C0 00009840 00 004C0200 087B9840 0057A740 8158D100 .ÑX.@§W.@.{...L. IPC_LIST 8158D100 00001840 00 00040400 087B1840 00570F00 8158E940 @éX...W.@.{..... IPC_LIST 8158E940 00002840 00 00140200 087B2840 0056F6C0 81591180 ..Y.ÀöV.@({..... IPC_TPCB 81591180 00000080 00 00000000 067B0080 0056CE80 81591200 ..Y..ÎV...{..... IPC 81591200 000000C0 00 00000000 007B00C0 0056CE00 815912C0 À.Y..ÎV.À.{..... Summary of Non-Paged Pool contents ---------------------------------- Packet type/subtype Packet count Packet bytes Percent --------------------------- ---------------- ---------------- -------- IPC 00000006 0000DA40 (100.0%) IPC 00000001 000000C0 (0.3%) IPC_TDB 00000001 00000040 (0.1%) IPC_TPCB 00000001 00000080 (0.2%) IPC_LIST 00000003 0000D8C0 (99.3%) Total space used: 0000DA40 (55872.) bytes out of 00023180 (143744.) bytes in 00000006 (6.) packets Total space utilization: 38.9%

This example shows how a pool packet type and a range of addresses can be specified.

3. SDA> SHOW POOL/STATISTICS Non-Paged Pool statistics for RAD 00 ------------------------------------ On-RAD deallocations (all RADs): 1221036 Total deallocations (all RADs): 1347991 Percentage of on-RAD deallocations: 90.6% Variable list statistics ------------------------ Number of packets on variable list: 7 Total bytes on variable list: 3613376 Smallest packet on variable list: 256 Largest packet on variable list: 3598016 Bytes allocated from variable list: 2140480 Times pool expanded: 0 Lookaside list statistics ------------------------- List Packets Packets Operation Allocation Allocation Listhead address size (approx) (actual) sequence # attempts failures Deallocs ----------------- ---- ---------- ---------- ---------- ---------- ---------- ---------- FFFFFFFF.81008870 64 5 5 10057 10549 492 10062 FFFFFFFF.81008878 128 21 21 366 4881 4515 387 FFFFFFFF.81008880 192 33 33 27376 27542 166 27409 FFFFFFFF.81008888 256 4 4 8367 8476 118 8362 . . .

This example shows the Nonpaged Pool portion of the SHOW POOL/STATISTICS display.

This example shows the output of the SHOW POOL/RING_BUFFER display.

SHOW PORTS

Displays those portions of the port descriptor table (PDT) that are port independent.

Format

SHOW PORTS [/qualifier[,...]]

Parameters

None.

Qualifiers

/ADDRESS=pdt-address
Displays the specified port descriptor table (PDT). You can find the pdt-address for any active connection on the system in the PDT summary page display of the SHOW PORTS command. This command also defines the symbol PE_PDT. The connection descriptor table (CDT) addresses are also stored in many individual data structures related to System Communications Services (SCS) connections, for instance, in the path block displays of the SHOW CLUSTER/SCS command.
/BUS=bus-address
Displays bus (LAN device) structure data.
/CHANNEL=channel-address
Displays channel (CH) data.
/DEVICE
Displays the network path description for a channel.
/MESSAGE
Displays the message data associated with a virtual circuit (VC).
/NODE=node
Shows only the virtual circuit block associated with the specific node. When you use the /NODE qualifier, you must also specify the address of the PDT using the /ADDRESS qualifier.
/VC=vc-address
Displays the virtual circuit data.

Description

The SHOW PORTS command provides port-independent information from the port descriptor table (PDT) for those CI ports with full System Communications Services (SCS) connections. This information is used by all SCS port drivers.
Note that the SHOW PORTS command does not display similar information about UDA ports, BDA ports, and similar controllers.
The SHOW PORTS command also defines symbols for PEDRIVER based on the cluster configuration. These symbols include the following information:

Virtual circuit (VC) control blocks for each of the remote systems
Bus data structure for each of the local LAN adapters
Some of the data structures used by both PEDRIVER and the LAN drivers

The following symbols are defined automatically:

VC_nodename---Example: VC_NODE1, address of the local node's virtual circuit to node NODE1.
CH_nodename---The preferred channel for the virtual circuit. For example, CH_NODE1, address of the local node's preferred channel to node NODE1.
BUS_busname---Example: BUS_ETA, address of the local node's bus structure associated with LAN adapter ETA0.
PE_PDT---Address of PEDRIVER's port descriptor table.
MGMT_VCRP_busname---Example: MGMT_VCRP_ETA, address of the management VCRP for bus ETA.
HELLO_VCRP_busname---Example: HELLO_VCRP_ETA, address of the HELLO message VCRP for bus ETA.
VCIB_busname---Example: VCIB_ETA, address of the VCIB for bus ETA.
UCB_LAVC_busname---Example: UCB_LAVC_ETA, address of the LAN device's UCB used for the local-area OpenVMS Cluster protocol.
UCB0_LAVC_busname---Example: UCB0_LAVC_ETA, address of the LAN device's template UCB.
LDC_LAVC_busname---Example: LDC_LAVC_ETA, address of the LDC structure associated with LAN device ETA.
LSB_LAVC_busname---Example: LSB_LAVC_ETA, address of the LSB structure associated with LAN device ETA.

These symbols equate to system addresses for the corresponding data structures. You can use these symbols, or an address, in SHOW PORTS qualifers that require an address, as for example:
SDA >SHOW PORTS/BUS=BUS_ETA
The SHOW PORTS command produces several displays. The initial display, the PDT summary page, lists the PDT address, port type, device name, and driver name for each PDT. Subsequent displays provide information taken from each PDT listed on the summary page.
You can use the /ADDRESS qualifier to the SHOW PORTS command to produce more detailed information about a specific port. The first display of the SHOW PORTS/ADDRESS command duplicates the last display of the SHOW PORTS command, listing information stored in the port's PDT. Subsequent displays list information about the port blocks and virtual circuits associated with the port.

Examples

#1
SDA > SHOW PORTS VMScluster data structures -------------------------- --- PDT Summary Page --- PDT Address Type Device Driver Name ----------- ---- ------- ----------- 80E2A180 pn PNA0 SYS$PNDRIVER 80EC3C70 pe PEA0 SYS$PEDRIVER --- Port Descriptor Table (PDT) 80E2A180 --- Type: 09 pn Characteristics: 0000 Msg Header Size 104 Flags 0000 Message Sends 3648575 Max Xfer Bcnt 00100000 Counter CDRP 00000000 Message Recvs 4026887 Poller Sweep 21 Load Vector 80E2DFCC Mess Sends NoFP 3020422 Fork Block W.Q. 80E2A270 Load Class 60 Mess Recvs NoFP 3398732 UCB Address 80E23380 Connection W.Q. 80E4BF94 Datagram Sends 0 ADP Address 80E1BF00 Yellow Q. 80E2A2E0 Datagram Recvs 0 Max VC timeout 16 Red Q. 80E2A2E8 Portlock 80E1ED80 SCS Version 2 Disabled Q. 80FABB74 Res Bundle Size 208 Port Map 00000001 --- Port Descriptor Table (PDT) 80EC3C70 --- Type: 03 pe Characteristics: 0000 Msg Header Size 32 Flags 0000 Message Sends 863497 Max Xfer Bcnt FFFFFFFF Counter CDRP 00000000 Message Recvs 886284 Poller Sweep 30 Load Vector 80EDBF8C Mess Sends NoFP 863497 Fork Block W.Q. 80EC3D60 Load Class 10 Mess Recvs NoFP 886284 UCB Address 80EC33C0 Connection W.Q. 80EFF5D4 Datagram Sends 0 ADP Address 00000000 Yellow Q. 80EC3DD0 Datagram Recvs 0 Max VC timeout 16 Red Q. 80EC3DD8 Portlock 00000000 SCS Version 2 Disabled Q. 812E72B4 Res Bundle Size 0 Port Map 00000000

SDA > SHOW PORTS
VMScluster data structures 
-------------------------- 
 
                  --- PDT Summary Page --- 
 
 PDT Address          Type         Device          Driver Name 
 -----------          ----         -------         ----------- 
 
  80E2A180             pn          PNA0            SYS$PNDRIVER 
  80EC3C70             pe          PEA0            SYS$PEDRIVER 
 
                  --- Port Descriptor Table (PDT) 80E2A180 --- 
 
Type: 09 pn 
Characteristics: 0000 
 
Msg Header Size          104  Flags               0000  Message Sends    3648575 
Max Xfer Bcnt       00100000  Counter CDRP    00000000  Message Recvs    4026887 
Poller Sweep              21  Load Vector     80E2DFCC  Mess Sends NoFP  3020422 
Fork Block W.Q.     80E2A270  Load Class            60  Mess Recvs NoFP  3398732 
UCB Address         80E23380  Connection W.Q. 80E4BF94  Datagram Sends         0 
ADP Address         80E1BF00  Yellow Q.       80E2A2E0  Datagram Recvs         0 
Max VC timeout            16  Red Q.          80E2A2E8  Portlock        80E1ED80 
SCS Version                2  Disabled Q.     80FABB74  Res Bundle Size      208 
                              Port Map        00000001 
 
                  --- Port Descriptor Table (PDT) 80EC3C70 --- 
 
Type: 03 pe 
Characteristics: 0000 
 
Msg Header Size           32  Flags               0000  Message Sends     863497 
Max Xfer Bcnt       FFFFFFFF  Counter CDRP    00000000  Message Recvs     886284 
Poller Sweep              30  Load Vector     80EDBF8C  Mess Sends NoFP   863497 
Fork Block W.Q.     80EC3D60  Load Class            10  Mess Recvs NoFP   886284 
UCB Address         80EC33C0  Connection W.Q. 80EFF5D4  Datagram Sends         0 
ADP Address         00000000  Yellow Q.       80EC3DD0  Datagram Recvs         0 
Max VC timeout            16  Red Q.          80EC3DD8  Portlock        00000000 
SCS Version                2  Disabled Q.     812E72B4  Res Bundle Size        0 
                              Port Map        00000000

This example illustrates the default output of the SHOW PORTS command.

#2
SDA > SHOW PORTS/ADDRESS=80EC3C70 VMScluster data structures -------------------------- --- Port Descriptor Table (PDT) 80EC3C70 --- Type: 03 pe Characteristics: 0000 Msg Header Size 32 Flags 0000 Message Sends 864796 Max Xfer Bcnt FFFFFFFF Counter CDRP 00000000 Message Recvs 887086 Poller Sweep 30 Load Vector 80EDBF8C Mess Sends NoFP 864796 Fork Block W.Q. 80EC3D60 Load Class 10 Mess Recvs NoFP 887086 UCB Address 80EC33C0 Connection W.Q. 80EFF5D4 Datagram Sends 0 ADP Address 00000000 Yellow Q. 80EC3DD0 Datagram Recvs 0 Max VC timeout 16 Red Q. 80EC3DD8 Portlock 00000000 SCS Version 2 Disabled Q. 812E72B4 Res Bundle Size 0 Port Map 00000000 Port Map 00000000 --- Port Block 80EC4540 --- Status: 0001 authorize VC Count: 20 Secs Since Last Zeroed: 77020 SBUF Size 824 LBUF Size 5042 Fork Count 1943885 SBUF Count 28 LBUF Count 1 Refork Count 0 SBUF Max 768 LBUF Max 384 Last Refork 00000000 SBUF Quo 28 LBUF Quo 1 SCS Messages 1154378 SBUF Miss 1871 LBUF Miss 3408 VC Queue Cnt 361349 SBUF Allocs 1676801 LBUF Allocs 28596 TQE Received 770201 SBUFs In Use 2 LBUFs In Use 0 Timer Done 770201 Peak SBUF In Use 101 Peak LBUF In Use 10 RWAITQ Count 30288 SBUF Queue Empty 0 LBUF Queue Empty 0 LDL Buf/Msg 32868 TR SBUF Queue Empty 0 Ticks/Second 10 ACK Delay 1000000 No SBUF for ACK 0 Listen Timeout 8 Hello Interval 30 Bus Addr Bus LAN Address Error Count Last Error Time of Last Error -------- --- ----------------- ----------- ---------- ----------------------- 80EC4C00 LCL 00-00-00-00-00-00 0 80EC5400 EXA 08-00-2B-17-CF-92 0 80EC5F40 FXA 08-00-2B-29-E1-40 0 --- Virtual Circuit (VC) Summary --- VC Addr Node SCS ID Lcl ID Status Summary Last Event Time -------- -------- ------ ------ ----------------- ----------------------- 80E566C0 ARUSHA 19617 223/DF open,path 8-FEB-2001 16:01:57.58 80E98840 ETOSHA 19699 222/DE open,path 8-FEB-2001 16:01:58.41 80E98A80 VMS 19578 221/DD open,path 8-FEB-2001 16:01:58.11 . . .

SDA > SHOW PORTS/ADDRESS=80EC3C70
VMScluster data structures 
-------------------------- 
 
                  --- Port Descriptor Table (PDT) 80EC3C70 --- 
 
Type: 03 pe 
Characteristics: 0000 
 
Msg Header Size           32  Flags               0000  Message Sends     864796 
Max Xfer Bcnt       FFFFFFFF  Counter CDRP    00000000  Message Recvs     887086 
Poller Sweep              30  Load Vector     80EDBF8C  Mess Sends NoFP   864796 
Fork Block W.Q.     80EC3D60  Load Class            10  Mess Recvs NoFP   887086 
UCB Address         80EC33C0  Connection W.Q. 80EFF5D4  Datagram Sends         0 
ADP Address         00000000  Yellow Q.       80EC3DD0  Datagram Recvs         0 
Max VC timeout            16  Red Q.          80EC3DD8  Portlock        00000000 
SCS Version                2  Disabled Q.     812E72B4  Res Bundle Size        0 
                              Port Map        00000000 
                              Port Map        00000000 
 
                 --- Port Block 80EC4540 --- 
 
Status: 0001 authorize 
VC Count: 20 
Secs Since Last Zeroed: 77020 
 
SBUF Size             824     LBUF Size         5042     Fork Count     1943885 
SBUF Count             28     LBUF Count           1     Refork Count         0 
SBUF Max              768     LBUF Max           384     Last Refork   00000000 
SBUF Quo               28     LBUF Quo             1     SCS Messages   1154378 
SBUF Miss            1871     LBUF Miss         3408     VC Queue Cnt    361349 
SBUF Allocs       1676801     LBUF Allocs      28596     TQE Received    770201 
SBUFs In Use            2     LBUFs In Use         0     Timer Done      770201 
Peak SBUF In Use      101     Peak LBUF In Use    10     RWAITQ Count     30288 
SBUF Queue Empty        0     LBUF Queue Empty     0     LDL Buf/Msg      32868 
TR SBUF Queue Empty     0     Ticks/Second        10     ACK Delay      1000000 
No SBUF for ACK         0     Listen Timeout       8     Hello Interval      30 
 
Bus Addr  Bus     LAN Address    Error Count Last Error   Time of Last Error 
--------  ---  ----------------- ----------- ---------- ----------------------- 
80EC4C00  LCL  00-00-00-00-00-00           0 
80EC5400  EXA  08-00-2B-17-CF-92           0 
80EC5F40  FXA  08-00-2B-29-E1-40           0 
 
                 --- Virtual Circuit (VC) Summary --- 
 
VC Addr     Node    SCS ID  Lcl ID    Status Summary        Last Event Time 
--------  --------  ------  ------  -----------------   ----------------------- 
80E566C0  ARUSHA     19617  223/DF  open,path            8-FEB-2001 16:01:57.58 
80E98840  ETOSHA     19699  222/DE  open,path            8-FEB-2001 16:01:58.41 
80E98A80  VMS        19578  221/DD  open,path            8-FEB-2001 16:01:58.11 
   .
   .
   .

This example illustrates the output produced by the SHOW PORTS command for the PDT at address 80EC3C70.

SHOW PROCESS

Displays the software and hardware context of any process in the balance set.

Format

SHOW PROCESS {[process-name|ALL]
|/ADDRESS=pcb_address|/ID=nn |/INDEX=nn|/SYSTEM}
[/ALL|/BUFFER_OBJECTS|/CHANNEL
|/FANDLES|/FID_ONLY|/GSTX=index|/IMAGES [=ALL]
|/INVALID_PFN [=option]|/NEXT
|/NONMEMORY_PFN [=option]
|/LOCKS [/BRIEF]|/L1|/L2|/L3
|/PAGE_TABLES|/P0|/P1|/P2|/PT|/PCB
|/PERSONA [=address][/RIGHTS [/AUTHORIZED]]
|/PHD|/PROCESS_SECTION_TABLE|/PST
|/PTE_ADDRESS|/RDE [=id]
|/REGIONS [=id]
|/REGISTERS|/RMS [=option[,...]]|/SECTION_INDEX=n
|/SEMAPHORE|/THREADS
|/WORKING_SET_LIST]

Parameters

ALL
Information about all processes that exist in the system.
process-name
Name of the process for which information is to be displayed. Use of the process-name parameter, the /ADDRESS qualifier, the /INDEX qualifier, or the /SYSTEM qualifier causes the SHOW PROCESS command to perform an implicit SET PROCESS command, making the indicated process the current process for subsequent SDA commands. You can determine the names of the processes in the system by issuing a SHOW SUMMARY command.
The process-name can contain up to 15 letters and numerals, including the underscore (_) and dollar sign ($). If it contains any other characters, you must enclose the process-name in quotation marks (" ").

Qualifiers

/ADDRESS=pcb-address
Specifies the process control block (PCB) address of a process in order to display information about the process.
/ALL
Displays all information shown by the following qualifiers:
/CHANNEL
/BUFFER_OBJECTS
/FANDLES
/IMAGES=ALL
/LOCKS
/PAGE_TABLES
/PCB
/PERSONA/RIGHTS
/PHD
/PROCESS_SECTION_TABLE
/REGIONS
/REGISTERS
/RMS
/SEMAPHORE
/THREADS
/WORKING_SET_LIST

/AUTHORIZED
Used with the /PERSONA/RIGHTS qualifiers. See the /PERSONA/RIGHTS/AUTHORIZED description for the use of the /AUTHORIZED qualifier.
/BRIEF
When used with the /LOCKS qualifier, causes SDA to display each lock owned by the current process in brief format, that is, one line for each lock.
/BUFFER_OBJECTS
Displays all the buffer objects that a process has created.
/CHANNEL
Displays information about the I/O channels assigned to the process.
/FANDLES
Displays the data on the process's fast I/O handles.
/FID_ONLY
When used with /CHANNEL or /PROCESS_SECTION_TABLE (/PST), causes SDA to not attempt to translate the FID (File ID) to a file name when invoked with ANALYZE/SYSTEM.
/GSTX=index
When used with the /PAGE_TABLES qualifier, causes SDA to display only page table entries for the specific global section.
/IMAGES [= ALL]
For all images in use by this process, displays the address of the image control block, the start and end addresses of the image, the activation code, the protected and shareable flags, the image name, and the major and minor IDs of the image. The /IMAGES = ALL qualifier also displays the base, end, image offset, and section type for installed resident images in use by this process.
See the OpenVMS Linker Utility Manual and the Install utility chapter in the OpenVMS System Management Utilities Reference Manual for more information on images installed using the /RESIDENT qualifier.
/ID=nn

/INDEX=nn
Specifies the process for which information is to be displayed by its index into the system's list of software process control blocks (PCBs), or by its process identification (ID). You can supply the following values for nn:

The process index itself
The process identification (PID) or extended PID longword, from which SDA extracts the correct index. The PID or extended PID of any thread of a process with multiple kernel threads may be specified. Any thread-specific data displayed by SHOW PROCESS will be for the given thread.

To obtain these values for any given process, issue the SDA command SHOW SUMMARY/THREADS. The /ID=nn and /INDEX=nn qualifiers can be used interchangeably.
/INVALID_PFN [=option]
See the /PAGE_TABLES qualifier description for an explanation of /INVALID_PFN.
/L1

/L2

/L3
When used with the /PAGE_TABLES qualifier, /L1, /L2, /L3 cause SDA to display the page table entries at the level specified. /L3 is the default.
/LOCKS [/BRIEF]
Displays the lock management locks owned by the current process.
The /LOCKS [/BRIEF] qualifier produces a display similar in format to that produced by the SHOW LOCK command. See also the /BRIEF qualifier description. Also, Table 4-4 contains additional information.
/NEXT
Causes SDA to locate the next valid process in the process list and select that process. It there are no further valid processes in the process list, SDA returns an error.
/NONMEMORY_PFN [=option]
See the /PAGE_TABLES qualifier description for an explanation of /NONMEMORY_PFN.
/P0

/P1

/P2
When used with the /PAGE_TABLES qualifier, /P0, /P1, /P2 cause SDA to display only page table entries for the specified region. /P0 is the default.
/PAGE_TABLES

The /PAGE_TABLES qualifier has the following format:
/PAGE_TABLES {range|[/P0(d)|/P1|/P2|/PT] |/GSTX=index|/RDE=id |/REGIONS=id |/SECTION_INDEX=n|=ALL} [/PTE_ADDRESS] [/INVALID_PFN [={READONLY|WRITABLE}] [/NONMEMORY_PFN [={READONLY|WRITABLE}] {/L1|/L2|/L3(d)}
Displays the page tables of the process P0 (process), P1 (control), P2, or PT (page table) region, or, optionally, page table entries for a range of addresses. The page table entries at the level specified by /L1, /L2, or /L3 (the default) are displayed.
When /RDE=id or /REGIONS=id is used with /PAGE_TABLES, SDA displays the page tables for the address range of the specified address region. When you do not specify an ID, the page tables are displayed for all the process-permanent and user-defined regions.
You can express a range using the following syntax:

m Displays the single page table entry that corresponds to virtual address m.

m:n Displays the page table entries that correspond to the range of virtual addresses from m to n.

m;n Displays the page table entries that correspond to a range of n bytes, starting at virtual address m.

=ALL Use /PAGE_TABLES=ALL to display the entire page table or the process from address zero to the end of process-private page table space.

The /PTE_ADDRESS qualifier causes SDA to treat the specified range as PTE addresses instead of virtual addresses.
The /SECTION_INDEX=n qualifier causes SDA to display only the page table entries for the pages in the specified process section.
The /GSTX=index qualifier causes SDA to display only the page table entries for the pages in the specified global section.
The /INVALID_PFN qualifier which is valid on platforms that supply an I/O memory map, causes SDA to display only page table entries that map to PFNs that are not in the system's private memory, nor in Galaxy shared memory, nor are I/O access pages.
The /NONMEMORY_PFN qualifier, supported on all platforms, causes SDA to display only page table entries that are neither in the system's private memory nor in Galaxy shared memory.
Both /INVALID_PFN and /NONMEMORY_PFN qualifiers allow two optional keywords, READONLY and WRITABLE. If neither keyword is given, all relevant pages are displayed. If you specify READONLY, only pages marked for no write access are displayed. If you specify WRITABLE, only pages that allow write access are displayed. For example, SHOW PROCESS ALL/PAGE_TABLE=ALL/INVALID_PFN=WRITABLE would display all process pages (for all processes) whose protection allows write, but which map to PFNs that do not belong to this system.
/PCB
Displays the information contained in the process control block (PCB). This is the default behavior of the SHOW PROCESS command.
/PERSONA [=address]
Displays all persona security blocks (PSBs) held in the PERSONA ARRAY of the process, and then lists selected information contained in each initially listed PSB. The selected information includes the contents of the following cells inside the PSB:
Flags
Reference count
Execution mode
Audit status
Account name
UIC
Privileges
Rights enabled mask

If you specify a PSB address, the above information is provided for that specific PSB only.
/PERSONA/RIGHTS
Displays all the /PERSONA [=address] information and additional selected information, including all the Rights and their attributes currently held and active for each persona security block (PSB).
/PERSONA/RIGHTS/AUTHORIZED
Displays all the /PERSONA [=address] information and additional selected information, including all the Rights and their attributes authorized for each persona security block (PSB).
/PHD
Lists the information included in the process header (PHD).
/PPT
Is a synonym for /PAGE_TABLES.
/PROCESS_SECTION_TABLE [/SECTION_INDEX=id]
Lists the information contained in the process section table (PST). The /SECTION_INDEX=id qualifier used with /PROCESS_SECTION_TABLE displays the process section table entry for the specified section.
/PST
Is a synonym for /PROCESS_SECTION_TABLE.
/PT
When used with the /PAGE_TABLES qualifier, causes SDA to display the page table entries for the page table space of the process.
/PTE_ADDRESS
When used with the /PAGE_TABLES qualifier, specifies that the range is of PTE addresses instead of the virtual addresses mapped by the PTE.
/RDE [=id]

/REGIONS [=id]
Lists the information contained in the process region table for the specified region. If no region is specified, the entire table is displayed, including the process-permanent regions. The qualifiers /RDE [=id] and /REGIONS [=id] may be used interchangeably. When used with the /PAGE_TABLES, causes SDA to display on the page tables for the region given or all regions.
/REGISTERS
Lists the hardware context of the process, as reflected in the process registers stored in the hardware privileged context block (HWPCB), in its kernel stack, and possibly, in its PHD.
/RIGHTS
Used with the /PERSONA qualifier. See the /PERSONA/RIGHTS description for use of the /RIGHTS qualifier.
/RMS [=option[,...]]
Displays certain specified RMS data structures for each image I/O or process permanent I/O file the process has open. To display RMS data structures for process-permanent files, specify the PIO option to this qualifier.

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m	Displays the single page table entry that corresponds to virtual address m.
m:n	Displays the page table entries that correspond to the range of virtual addresses from m to n.
m;n	Displays the page table entries that correspond to a range of n bytes, starting at virtual address m.
=ALL	Use /PAGE_TABLES=ALL to display the entire page table or the process from address zero to the end of process-private page table space.

OpenVMS Alpha System Analysis Tools Manual

SHOW PORTS

Format

Parameters

Qualifiers

/ADDRESS=pdt-address

/BUS=bus-address

/CHANNEL=channel-address

/DEVICE

/MESSAGE

/NODE=node

/VC=vc-address

Description

Examples

SHOW PROCESS

Format

Parameters

ALL

process-name

Qualifiers

/ADDRESS=pcb-address

/ALL

/AUTHORIZED

/BRIEF

/BUFFER_OBJECTS

/CHANNEL

/FANDLES

/FID_ONLY

/GSTX=index

/IMAGES [= ALL]

/ID=nn

/INDEX=nn

/INVALID_PFN [=option]

/L1

/L2

/L3

/LOCKS [/BRIEF]

/NEXT

/NONMEMORY_PFN [=option]

/P0

/P1

/P2

/PAGE_TABLES

/PCB

/PERSONA [=address]

/PERSONA/RIGHTS

/PERSONA/RIGHTS/AUTHORIZED

/PHD

/PPT

/PROCESS_SECTION_TABLE [/SECTION_INDEX=id]

/PST

/PT

/PTE_ADDRESS

/RDE [=id]

/REGIONS [=id]

/REGISTERS

/RIGHTS

/RMS [=option[,...]]