usr/src/cmd/smbsrv/dtrace/smbsrv.d

   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  * Developer dtrace program for smbsrv
  19  * Usage: dtrace -s smbsrv.d
  20  */
  21
  22 #pragma D option flowindent
  23
  24 self int trace;
  25 self int mask;
  26
  27 /*
  28  * Trace almost everything
  29  */
  30 fbt:smbsrv::entry
  31 {
  32         self->trace++;
  33 }
  34
  35 /*
  36  * If traced and not masked, print entry/return
  37  */
  38 fbt:smbsrv::entry
  39 /self->trace > 0 && self->mask == 0/
  40 {
  41         printf("\t0x%x", arg0);
  42         printf("\t0x%x", arg1);
  43         printf("\t0x%x", arg2);
  44         printf("\t0x%x", arg3);
  45         printf("\t0x%x", arg4);
  46         printf("\t0x%x", arg5);
  47 }
  48
  49 /*
  50  * Mask (don't print) all function calls below these functions.
  51  * These make many boring, repetitive function calls like
  52  * smb_mbtowc, mbc_marshal_...
  53  */
  54 fbt::smb_mbc_vdecodef:entry,
  55 fbt::smb_mbc_vencodef:entry,
  56 fbt::smb_msgbuf_decode:entry,
  57 fbt::smb_msgbuf_encode:entry,
  58 fbt::smb_strlwr:entry,
  59 fbt::smb_strupr:entry,
  60 fbt::smb_wcequiv_strlen:entry
  61 {
  62         self->mask++;
  63 }
  64
  65 /*
  66  * Now inverses of above, unwind order.
  67  */
  68
  69 fbt::smb_mbc_vdecodef:return,
  70 fbt::smb_mbc_vencodef:return,
  71 fbt::smb_msgbuf_decode:return,
  72 fbt::smb_msgbuf_encode:return,
  73 fbt::smb_strlwr:return,
  74 fbt::smb_strupr:return,
  75 fbt::smb_wcequiv_strlen:return
  76 {
  77         self->mask--;
  78 }
  79
  80 fbt:smbsrv::return
  81 /self->trace > 0 && self->mask == 0/
  82 {
  83         printf("\t0x%x", arg1);
  84 }
  85
  86 fbt:smbsrv::return
  87 {
  88         self->trace--;
  89 }