tcl.fid
Display frame information.
Syntax
fid frame-id {(options)}
Description
displays information about a memory-resident frame.
Options
n Outputs report without pausing at the bottom of each page.
p Directs output to system printer, via the Spooler.
Example
fid 122
i i t n b r
w m o o o o a e
t l f w b p t t u
r o r r u h i c s
e c e i s s a h e
q k f t y h q b d
-----------------
0 1 1 0 0 1 0 0 0
A fwdhq fwdaq bckaq buffid btwa
- ------ ------ ------ ------ -------
0 000000 000000 000000 00007A 400CB800
In the 'vertical columns' above each of the bit settings for the
given are descriptions of each bit. Any column with a '0' underneath
indicates that the corresponding value is 'off'. Non zero indicates
that the value is 'on'.
'wtreq' indicates a 'write-required' state.
'mlock' indicates a 'memory-locked' (core-locked) state.
'fref' indicates that this frame has been referenced recently.
'iowrit' indicates that the frame is being written, or is enqueued
for writing.
'iobusy' indicates that this frame is being read from disk.
'tophsh' indicates that this buffer is at the top of the internal
memory hash list.
'notiaq' indicates that this buffer will soon be gone.
'batchb' indicates that this fid was brought into memory by a batch
process.
'reused' indicates that the buffer is eligible for immediate re-use.
'Attr' is the number of virtual registers attached to this buffer.
'fwdhq', 'bckaq' and 'fwdaq'
are all pointers to an internal management list.
'buffid' is the fid of the buffer.
'btwa' indicates the real address of the buffer.
See Also
Command Name
Type
Description
User Comments
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