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RocketLink!--> Man page versions: OpenBSD NetBSD

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

     trsp - transliterate sequenced packet protocol trace

     trsp [-a] [-j] [-p hex-address] [-s] [-t] [-z] [-N system] [-M core]

     Trsp 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.

     -z      Clear the in-kernel debugging buffers.

     -M core
             Extract values associated with the name list from core instead of
             the default /dev/kmem.

     -N system
             Extract the name list from system instead of the default /bsd.

     The recommended use of trsp is as follows.  Isolate the problem and en-
     able debugging on the socket(s) involved in the connection.  Find the ad-
     dress 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.

     /dev/kmem  default kernel memory
     /bsd       default system namelist

     netstat(1),  setsockopt(2),  trpt(8)

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

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

     The output format is inscrutable and should be described here.

     The trsp command appeared in 4.3BSD.

4.3 Berkeley Distribution        June 6, 1993                                2

Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY
SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts
Institute of Technology, Free Software Foundation, FreeBSD Inc., and others.

(Corrections, notes, and links courtesy of RocketAware.com)

[Detailed Topics]
OpenBSD sources for trsp(8)

[Overview Topics]

Up to: Communication Debugging - Status, tracing, and debugging communications and protocols.

RocketLink!--> Man page versions: OpenBSD NetBSD

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