[dtrace-discuss] Is there way to trace memory in the dtrace ?

[Vladimir Marek]

N_conreq:entry {
        self->x=1;

        calledaddr=(struct xaddrf *)arg3;
        callingaddr=(struct xaddrf *)arg4;

        trace(calledaddr->link_id);
        tracemem(calledaddr->DTE_MAC.lsap_add, 80);

        trace(callingaddr->link_id);
        tracemem(callingaddr->DTE_MAC.lsap_add, 80);
}

  0  -> N_conreq                                    255                        
<===== first link_id
             0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f  0123456789abcdef  
<===== first tracemem
         0: 12 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00  .0..............
        10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
        20: 00 ff 00 03 45 60 00 00 00 00 00 00 00 00 00 00  ....E`..........
        30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
        40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
      255  E`
      ^    ^-- dtrace being smart here? The memory is 0x45 0x60 0x00 ... which 
is E` in ascii.
2nd link_id

Is there a way to really trace 80 bytes of memory?

Thank you

-- 
        Vlad

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