trsp man page on 4.4BSD

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TRSP(8)			  BSD System Manager's Manual		       TRSP(8)

NAME
     trsp — transliterate sequenced packet protocol trace

SYNOPSIS
     trsp [-a] [-s] [-t] [-j] [-p hex-address] [system [core]]

DESCRIPTION
     Trpt interrogates the buffer of SPP trace records created when a socket
     is marked for “debugging” (see setsockopt(2)), and prints a readable
     description of these records.  When no options are supplied, trsp prints
     all the trace records found in the system grouped according to SPP con‐
     nection protocol control block (PCB).  The following options may be used
     to alter this behavior.

     -a	     In addition to the normal output, print the values of the source
	     and destination addresses for each packet recorded.

     -j	     Just give a list of the protocol control block addresses for
	     which there are trace records.

     -p	     Show only trace records associated with the protocol control
	     block at the given address, hex-address.

     -s	     in addition to the normal output, print a detailed description of
	     the packet sequencing information.

     -t	     in addition to the normal output, print the values for all timers
	     at each point in the trace,

     The recommended use of trsp is as follows.	 Isolate the problem and
     enable debugging on the socket(s) involved in the connection.  Find the
     address of the protocol control blocks associated with the sockets using
     the -A option to netstat(1).  Then run trsp with the -p option, supplying
     the associated protocol control block addresses.  If there are many sock‐
     ets using the debugging option, the -j option may be useful in checking
     to see if any trace records are present for the socket in question.

     If debugging is being performed on a system or core file other than the
     default, the last two arguments may be used to supplant the defaults.

FILES
     /vmunix
     /dev/kmem

SEE ALSO
     netstat(1), setsockopt(2)

DIAGNOSTICS
     no namelist
	     When the system image doesn't contain the proper symbols to find
	     the trace buffer; others which should be self explanatory.

BUGS
     Should also print the data for each input or output, but this is not
     saved in the race record.

     The output format is inscrutable and should be described here.

HISTORY
     The trsp command appeared in 4.3BSD.

4.2 Berkeley Distribution	 June 6, 1993	     4.2 Berkeley Distribution
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