[dtrace-discuss] fbt:ip:tcp_xchg:entry does not exists

[przemolicc at poczta.fm]

Hello,

I am trying to use one of scripts from Dtrace toolkit and get:
bash-3.00# dtrace -l|wc -l
   47351
bash-3.00# cat /etc/release 
                        Solaris 10 6/06 s10x_u2wos_09a X86
           Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
                        Use is subject to license terms.
                             Assembled 09 June 2006
bash-3.00# uname -a
SunOS e2 5.10 Generic_118855-19 i86pc i386 i86pc
bash-3.00# ./tcpsnoop.d
dtrace: failed to compile script ./tcpsnoop.d: line 233: probe description fbt:ip:tcp_xchg:entry does not match any probes

Indeed, there is no such probe:
bash-3.00# dtrace -l|wc -l
   47351
bash-3.00# dtrace -l|grep tcp_xchg

On the other x86 system I get it:
# cat /etc/release
                        Solaris 10 6/06 s10x_u2wos_09a X86
           Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
                        Use is subject to license terms.
                             Assembled 09 June 2006
# uname -a
SunOS bolek 5.10 Generic_118855-19 i86pc i386 i86pc
# dtrace -l|grep tcp_xchg
25995        fbt                ip                          tcp_xchg entry
25996        fbt                ip                          tcp_xchg return
36350        fbt               nca                          tcp_xchg entry
36351        fbt               nca                          tcp_xchg return

Can anyone explain me what's going on ?

przemol

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