1 #!/usr/sbin/dtrace -s
   2 /*
   3  * This file and its contents are supplied under the terms of the
   4  * Common Development and Distribution License ("CDDL"), version 1.0.
   5  * You may only use this file in accordance with the terms of version
   6  * 1.0 of the CDDL.
   7  *
   8  * A full copy of the text of the CDDL should have accompanied this
   9  * source.  A copy of the CDDL is also available via the Internet at
  10  * http://www.illumos.org/license/CDDL.
  11  */
  12 
  13 /*
  14  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  15  */
  16 
  17 /*
  18  * User-level dtrace for fksmbd
  19  * Usage: dtrace -s Watch-all.d -p $PID
  20  */
  21 
  22 #pragma D option flowindent
  23 
  24 self int trace;
  25 self int mask;
  26 
  27 /*
  28  * Trace almost everything
  29  */
  30 pid$target:fksmbd::entry,
  31 pid$target:libfksmbsrv.so.1::entry,
  32 pid$target:libmlsvc.so.1::entry,
  33 pid$target:libmlrpc.so.1::entry,
  34 pid$target:libsmbns.so.1::entry,
  35 pid$target:libsmb.so.1::entry
  36 {
  37   self->trace++;
  38 }
  39 
  40 /*
  41  * If traced and not masked, print entry/return
  42  */
  43 pid$target:fksmbd::entry,
  44 pid$target:libfksmbsrv.so.1::entry,
  45 pid$target:libmlsvc.so.1::entry,
  46 pid$target:libmlrpc.so.1::entry,
  47 pid$target:libsmbns.so.1::entry,
  48 pid$target:libsmb.so.1::entry
  49 /self->trace > 0 && self->mask == 0/
  50 {
  51   printf("\t0x%x", arg0);
  52   printf("\t0x%x", arg1);
  53   printf("\t0x%x", arg2);
  54   printf("\t0x%x", arg3);
  55 }
  56 
  57 /*
  58  * Mask (don't print) all function calls below these functions.
  59  * These make many boring, repetitive function calls like
  60  * smb_mbtowc, mbc_marshal_...
  61  */
  62 pid$target::fop__getxvattr:entry,
  63 pid$target::fop__setxvattr:entry,
  64 pid$target::smb_mbc_vdecodef:entry,
  65 pid$target::smb_mbc_vencodef:entry,
  66 pid$target::smb_msgbuf_decode:entry,
  67 pid$target::smb_msgbuf_encode:entry,
  68 pid$target::smb_strlwr:entry,
  69 pid$target::smb_strupr:entry,
  70 pid$target::smb_wcequiv_strlen:entry
  71 {
  72   self->mask++;
  73 }
  74 
  75 /*
  76  * Now inverses of above, unwind order.
  77  */
  78 
  79 pid$target::fop__getxvattr:return,
  80 pid$target::fop__setxvattr:return,
  81 pid$target::smb_mbc_vdecodef:return,
  82 pid$target::smb_mbc_vencodef:return,
  83 pid$target::smb_msgbuf_decode:return,
  84 pid$target::smb_msgbuf_encode:return,
  85 pid$target::smb_strlwr:return,
  86 pid$target::smb_strupr:return,
  87 pid$target::smb_wcequiv_strlen:return
  88 {
  89   self->mask--;
  90 }
  91 
  92 pid$target:fksmbd::return,
  93 pid$target:libfksmbsrv.so.1::return,
  94 pid$target:libmlsvc.so.1::return,
  95 pid$target:libmlrpc.so.1::return,
  96 pid$target:libsmbns.so.1::return,
  97 pid$target:libsmb.so.1::return
  98 /self->trace > 0 && self->mask == 0/
  99 {
 100   printf("\t0x%x", arg1);
 101 }
 102 
 103 pid$target:fksmbd::return,
 104 pid$target:libfksmbsrv.so.1::return,
 105 pid$target:libmlsvc.so.1::return,
 106 pid$target:libmlrpc.so.1::return,
 107 pid$target:libsmbns.so.1::return,
 108 pid$target:libsmb.so.1::return
 109 {
 110   self->trace--;
 111 }