For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
The SHOW ADDRESS command displays page table related information about a memory address. It has one parameter and one qualifier. Table 4-5 shows the one parameter and its meaning.
Parameter | Meaning |
---|---|
address | Shows where an address is mapped at different page table entry levels. |
Table 4-6 shows the one qualifier and its meaning.
Qualifier | Meaning |
---|---|
/PHYSICAL | Indicates that a physical address has been given. The SHOW ADDRESS command displays the virtual address that maps to the given physical address. |
#1
SDA> SHOW ADDRESS 80000000 FFFFFFFF80000000 is an S0/S1 address Mapped by Level-3 PTE at: FFFFFFFDFFE00000 Mapped by Level-2 PTE at: FFFFFFFDFF7FF800 Mapped by Level-1 PTE at: FFFFFFFDFF7FDFF0 Mapped by Selfmap PTE at: FFFFFFFDFF7FDFF0 Also mapped in SPT window at: FFFFFFFFFFDF0000
#2The SHOW ADDRESS command in this example shows where the address 80000000 is mapped at different page table entry levels.
SDA> SHOW ADDRESS 0 0000000000000000 is a P0 address Mapped by Level-3 PTE at: FFFFFFFC00000000 Mapped by Level-2 PTE at: FFFFFFFDFF000000 Mapped by Level-1 PTE at: FFFFFFFDFF7FC000 Mapped by Selfmap PTE at: FFFFFFFDFF7FDFF0
#3The SHOW ADDRESS command in this example shows where the address 0 is mapped at different page table entry levels.
SDA> SHOW ADDRESS FFFFFFFDFF000000 FFFFFFFDFF000000 is the address of a process-private Level-2 PTE Mapped by Level-1 PTE at: FFFFFFFDFF7FC000 Mapped by Selfmap PTE at: FFFFFFFDFF7FDFF0 Range mapped at level 2: FFFFFFFC00000000 to FFFFFFFC00001FFF (1 page) Range mapped at level 3: 0000000000000000 to 00000000007FFFFF (1024 pages)
The SHOW ADDRESS command in this example shows where the address FFFFFFFDFF7FC000 is mapped at page table entry and the range mapped by the PTE at this address.
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
The SHOW BUGCHECK command displays the following bugcheck codes: value, name, and text. It has two parameters and one qualifier. Table 4-7 shows the parameters and their meanings.
Parameter | Meaning |
---|---|
name | Displays the named bugcheck code. |
number | Displays the requested bugcheck code. |
Table 4-8 shows the one qualifier.
Qualifier | Meaning |
---|---|
/ALL | Displays all bugcheck codes. It is the default. |
#1
SDA> SHOW BUGCHECK 100 0100 DIRENTRY ACP failed to find same directory entry
#2The SHOW BUGCHECK command in this example shows the requested bugcheck by number.
SDA> SHOW BUGCHECK DECNET 08D0 DECNET DECnet detected a fatal error
#3The SHOW BUGCHECK command in this example shows the requested bugcheck by name.
SDA> SHOW BUGCHECK BUGCHECK codes and texts ------------------------ 0008 ACPMBFAIL ACP failure to read mailbox 0010 ACPVAFAIL ACP failure to return virtual address space 0018 ALCPHD Allocate process header error 0020 ALCSMBCLR ACP tried to allocate space already allocated . . .
The SHOW BUGCHECK command in this example shows the requested bugcheck by displaying all codes.
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
The SHOW GLOBAL_SECTION_TABLE command displays information contained in the global section table. There are no parameters and one qualifier. Table 4-9 shows the qualifier and its meaning.
Qualifier | Meaning |
---|---|
/SECTION_INDEX= n | Displays the global section table entry for the specified section. |
This new command is equivalent to the SHOW PROCESS /SYSTEM /PROCESS_SECTION_TABLE command.
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
The SHOW GSD command displays information contained in the global section descriptors. It has no parameters and four qualifiers. Table 4-10 shows the qualifiers and their meanings.
Qualifiers | Meaning |
---|---|
/ALL | Displays information in all global section descriptors; that is, the system, group, and deleted global section descriptors. This qualifier is the default. |
/SYSTEM | Displays information in the system global section descriptors. |
/GROUP | Displays information in the group global section descriptors. |
/DELETED | Displays information in the deleted global section descriptors; that is, a delete pending. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
The SHOW RMD command displays information contained in the reserved memory descriptors. Reserved memory is used within the system by memory-resident global sections. It has two qualifiers. Table 4-11 shows the qualifiers and their meanings.
Qualifiers | Meaning |
---|---|
/ADDRESS= n | Displays a specific reserved memory descriptor entry, given its address. |
/ALL | Displays information in all the reserved memory descriptors. This qualifier is the default. |
SDA> SHOW RMD Reserved Memory Descriptor List ------------------------------- ADDRESS NAME GROUP PFN COUNT IN_USE ZERO_PFN FLAGS 80D21200 MILORD2 -S- 00000000 00000100 00000000 00000000 00000000 80D21100 MILORD1 -S- 00000A00 00000080 00000000 00000A00 00000001 ALLOC 80D21280 MILORD2 -S- 00000000 00000001 00000000 00000000 00000040 PAGE_TABLES 80D21180 MILORD1 -S- 00000180 00000001 00000000 00000180 00000041 ALLOC PAGE_TABLES
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
The SHOW WORKING_SET_LIST command displays the system working set list and retains the current process context. This command has no parameters or qualifiers. It does have, however, three options available. Table 4-12 shows the options for this command.
Options | Meaning |
---|---|
WORKING_SET_LIST = GPT | Displays only working set list entries that are for global page table pages. |
WORKING_SET_LIST = SYSTEM | Displays only working set list entries for pageable system pages. |
WORKING_SET_LIST = LOCKED | Displays only working set list entries for pageable system pages that are locked in the system working set. |
This new command is equivalent to the SHOW PROCESS /SYSTEM /WORKING_SET_LIST command.
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
The VALIDATE PFN_LIST command validates that the page counts on lists are correct. It has no parameters and five qualifiers. Table 4-13 shows the qualifiers.
Qualifiers | Meaning |
---|---|
/ALL | Validates all the PFN lists: bad, free, modified, and zero. |
/BAD | Validates the bad page list. |
/FREE | Validates the free page list. |
/MODIFIED | Validates the modified page list. |
/ZERO | Validates the zero page list. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There is one new qualifier for the EVALUATE command. Table 4-14 shows the qualifier and its meaning.
Qualifier | Meaning |
---|---|
/TIME | Interprets and displays the expression as a 64-bit time value. Positive values are interpreted as absolute time; negative values are interpreted as delta time. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There is one new qualifier for the FORMAT command. Table 4-15 shows the qualifier and its meaning.
Qualifier | Meaning |
---|---|
/PHYSICAL | Specifies that the location given is a physical address. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There are two new qualifiers for the READ command. Table 4-16 shows the qualifiers and their meanings.
Qualifier | Meaning |
---|---|
/LOG | Outputs for each symbol table file %SDA-I-READSYM. The qualifier /LOG enables the %SDA-I-READSYM capability, which is the default. |
/NOLOG | Suppresses the %SDA-I-READSYM message normally output by the SDA READ command for each symbol table file. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
Qualifier | Meaning |
---|---|
/PHYSICAL | Specifies that the addresses used to define the range of locations to be searched are physical addresses. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There are two new qualifiers for the SET FETCH command. Table 4-18 shows the qualifiers and their meanings.
Qualifier | Meaning |
---|---|
/PHYSICAL | Sets the default access method to physical addresses. |
/VIRTUAL | Sets the default access method to virtual addresses. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There are four new qualifiers for the SHOW LAN command. Table 4-19 shows the qualifiers and their meanings.
Qualifier | Meaning |
---|---|
/ELAN |
Specifies information from an Emulated LAN (ELAN) that runs over an
asynchronous transfer mode (ATM) network. The /ELAN qualifier displays
the LAN station block (LSB) address, device state, and the LSB fields
pertinent to an ELAN for both the parent ATM device and the ELAN
psuedodevice drivers. It also specifies the name, description, parent
device, state, and LAN emulation client (LEC) attributes of the ELAN.
The qualifier /ELAN used with the device qualifier (/LAN/device=ELA) only displays information for the specified device or psuedodevice. |
/ICOUNTERS | Specifies internal counters of the drivers by displaying the internal counters. If the /ICOUNTERS qualifier is used with the /DEVICE qualifier, the /ICOUNTERS qualifier specifies the internal counters of a specific driver. |
/QUEUE | Specifies a listing of all queues, whether their status is valid or invalid, and all elements of the queues. If the /QUEUE qualifier is used with the /DEVICE qualifier, the /QUEUE specifies a specific queue. |
/VCI | Specifies the VMS Communication Interface Block (VCIB) for each LAN device with an active VCI user. If the /VCI qualifier is used with the /DEVICE qualifier, the VCIB is only displayed for the specified device. |
An example of the qualifier /VCI is as follows:
SDA> SHOW LAN/VCI/DEVICE=ICB -- ICB VCI Information 17-APR-1996 14:22:07 -- LSB address = 80A1D580 Device state = 00000003 RUN,INITED -- ICB2 80-41 (LAST) VCI Information 17-APR-1996 14:22:07 -- VCIB address = 8096F238 CLIENT flags: 00000001 RCV_DCB LAN flags: 00000004 LAN_INIT DLL flags: 00000005 XMT_CHAIN,PORT_STATUS UCB status: 00000015 STRTN,UNIQ,STRTD VCI ID LAST VCI version 00010001 UCB address 80A4C5C0 DP VCRP address 00000000 Hardware address 00-00-93-08-52-CF LDC address 80A1D720 Physical address 00-00-93-08-52-CF LAN medium TR Transmit available 80A1D670 Outstanding operations 0 Maximum receives 0 Outstanding receives 0 Max xmt size 4444 Header size 52 Build header rtn 808BF230 Report event rtn 86327130 XMT initiate rtn 808BF200 Transmit complete rtn 86326D80 XMT frame rtn 808BF210 Receive complete rtn 86326A80 -- ICB2 80-41 (LAST) VCI Information (cont) 17-APR-1996 14:22:07 -- Portmgmt initiate rtn 808BF0C0 Portmgmt complete rtn 86327100 Monitor request rtn 00000000 Monitor transmit rtn 00000000 Monitor flags 00000000 Monitor receive rtn 00000000 Port usable 00000000 Port unusable 00000000
The SHOW LAN/VCI/DEVICE=ICB command displays the VCIB for a Token Ring device (ICB) which has an active VCI user (LAST).
Examples of the qualifier /ELAN are as follows:
#1
SDA> SHOW LAN/ELAN -- HCA Emulated LAN LSB Information 17-APR-1996 14:08:02 -- LSB address = 8098D200 Device state = 00000101 RUN,RING_AVAIL Driver CM VC setup adr 808986A0 Driver CM VC teardown adr 80898668 NIPG CM handle adr 8096C30C NIPG CM SVC handle 00000000 NIPG CM agent handle adr 809B364C NIPG CM mgr lineup handle 809B394C NIPG CM ILMI IO handle 809B378C MIB II handle adr 809B94CC MIB handle adr 809B3ACC Queue header for EL LSBs 00000000 DEC MIB handle adr 809BBD8C NIPG current TQEs used 00000000 Count of allocated TQEs 0000000D NIPG current pool used 0000D2C0 NIPG pool allocations 00075730 -- ELA Emulated LAN LSB Information 17-APR-1996 14:08:02 -- LSB address = 80AB08C0 Device state = 00000001 RUN ELAN name = ELAN 1 ELAN description = ATM ELAN ELAN parent = HCA0 ELAN state = 00000001 ACTIVE MAX transmit size MTU_1516 ELAN media type LAN_802_3 LEC attr buff adr 80AB1FC0 LEC attr buff size 00000328 Event mask 00000000 PVC identifer 00000000 Extended sense 00000000 -- ELA Emulated LAN LEC Attributes 17-APR-1996 14:08:02 -- LAN type 00000000 LAN MTU 00000001 Proxy flag 00000000 Control timeout 0000000A Max UF count 00000001 Max UF time 00000001 VCC timeout 000004B0 Max retry count 00000002 LEC id 00000002 Forw delay time 0000000F Flush timeout 00000004 Path switch delay 00000006 SM state 00000070 Illegal CTRL frames 00000000 CTRL xmt failures 00000000 CTRL frames sent 0000000C CTRL frames_rcvd 00000012 LEARPs sent 00000000 LEARPS rcvd 00000000 UCASTs sent direct 00000000 UCASTs flooded 00000006 UCASTs discarded 00000001 NUCASTs sent 00000000 Local ESI 00000000.00000000 BUS ATM addr 3999990000000008002BA57E80.AA000302FF12.00 LES ATM addr 3999990000000008002BA57E80.AA000302FF14.00 My ATM addr 3999990000000008002BA57E80.08002B2240A0.00
#2The SHOW LAN/ELAN command displays information for the parent ATM device (HCA) driver and the ELAN psuedodevice (ELA) driver.
SDA> SHOW LAN/ELAN/DEVICE=ELA -- ELA Emulated LAN LSB Information 17-APR-1996 14:08:22 -- LSB address = 80AB08C0 Device state = 00000001 RUN ELAN name = ELAN 1 ELAN description = ATM ELAN ELAN parent = HCA0 ELAN state = 00000001 ACTIVE MAX transmit size MTU_1516 ELAN media type LAN_802_3 LEC attr buff adr 80AB1FC0 LEC attr buff size 00000328 Event mask 00000000 PVC identifer 00000000 Extended sense 00000000 -- ELA Emulated LAN LEC Attributes 17-APR-1996 14:08:22 -- LAN type 00000000 LAN MTU 00000001 Proxy flag 00000000 Control timeout 0000000A Max UF count 00000001 Max UF time 00000001 VCC timeout 000004B0 Max retry count 00000002 LEC id 00000002 Forw delay time 0000000F Flush timeout 00000004 Path switch delay 00000006 SM state 00000070 Illegal CTRL frames 00000000 CTRL xmt failures 00000000 CTRL frames sent 0000000C CTRL frames_rcvd 00000012 LEARPs sent 00000000 LEARPS rcvd 00000000 UCASTs sent direct 00000000 UCASTs flooded 00000006 UCASTs discarded 00000001 NUCASTs sent 00000000 Local ESI 00000000.00000000 BUS ATM addr 3999990000000008002BA57E80.AA000302FF12.00 LES ATM addr 3999990000000008002BA57E80.AA000302FF14.00 My ATM addr 3999990000000008002BA57E80.08002B2240A0.00
#3The SHOW LAN/ELAN/DEVICE=ELA command displays information for the ELAN psuedodevice (ELA) driver only.
SDA> SHOW LAN/ELAN/DEVICE=HCA -- HCA Emulated LAN LSB Information 17-APR-1996 14:08:25 -- LSB address = 8098D200 Device state = 00000101 RUN,RING_AVAIL Driver CM VC setup adr 808986A0 Driver CM VC teardown adr 80898668 NIPG CM handle adr 8096C30C NIPG CM SVC handle 00000000 NIPG CM agent handle adr 809B364C NIPG CM mgr lineup handle 809B394C NIPG CM ILMI IO handle 809B378C MIB II handle adr 809B94CC MIB handle adr 809B3ACC Queue header for EL LSBs 00000000 DEC MIB handle adr 809BBD8C NIPG current TQEs used 00000000 Count of allocated TQEs 0000000D NIPG current pool used 0000D2C0 NIPG pool allocations 000757B2
The SHOW LAN/ELAN/DEVICE=HCA command displays information for the ATM device (HCA) driver only.
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There are three new qualifiers for the SHOW PFN_DATA command. Table 4-20 shows the qualifiers and their meaning.
Qualifier | Meaning |
---|---|
/BAD | Displays the bad-page list. SDA precedes the list with a count of the pages it contains, its low limit, and its high limit. |
/COLOR [={ n|ALL}] | Displays data on page coloring. See Table 4-21 for the command options available with this qualifier. |
/ZERO | Displays the contents of the zeroed free page list. |
Table 4-21 shows the command options that the /COLOR qualifier supports.
Options | Meaning |
---|---|
/COLOR with no value | Displays a summary of the lengths of the colored page lists for both free pages and zeroed pages. |
/COLOR= n where n is a color number | Displays the data in the PFN lists (for the specified color) for both free and zeroed pages. |
/COLOR=ALL | Displays the data in the PFN lists (for all colors) for both free and zeroed free pages. |
/COLOR= n or /COLOR=ALL with /FREE or /ZERO | Displays only the data in the PFN list (for the specified color or all colors) for either free or zeroed free pages as appropriate. The qualifiers /BAD and /MODIFIED are ignored with /COLOR= n and /COLOR=ALL. |
/COLOR without an option specified together with one or more of /FREE, /ZERO, /BAD, or /MODIFIED | Displays the color summary in addition to the display of the requested list(s). |
For more information on page coloring, see the OpenVMS System Management Utilities Reference Manual: M--Z.
For more detailed information about the SHOW PFN_DATA command, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There is one new qualifier for the SHOW POOL command. Table 4-22 shows the qualifier and its meaning.
Qualifier | Meaning |
---|---|
/BAP | Displays the contents of the bus-addressable dynamic pool currently in use. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There are two new qualifiers for the SHOW PROCESS /PAGE_TABLES command. Table 4-23 shows the qualifiers and their meanings.
Qualifier | Meaning |
---|---|
/PAGE_TABLES = ALL | Displays the entire page table for the process from address zero to the end of process-private page table space. |
/PAGE_TABLES /PT | Displays the page tables of the page table region. |
For more detailed information, see the OpenVMS Alpha System Dump Analyzer Utility Manual.
There are five new options for the SHOW PROCESS /WORKING_SET_LIST command. Table 4-24 shows the options and their meanings.
Option | Meaning |
---|---|
/WORKING_SET_LIST = GLOBAL | Displays global pages currently in the working set of the process. |
/WORKING_SET_LIST = LOCKED | Displays pages locked into the process's working set. |
/WORKING_SET_LIST = MODIFIED | Displays working set list entries marked modified. |
/WORKING_SET_LIST = PPT | Displays process page table pages. |
/WORKING_SET_LIST = PROCESS | Displays process private pages. |
6480P006.HTM OSSG Documentation 5-DEC-1996 13:50:23.76
Copyright © Digital Equipment Corporation 1996. All Rights Reserved.