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 2017 Nexenta Systems, Inc.  All rights reserved.
  15  */
  16 
  17 /*
  18  * User-level dtrace for testoplock
  19  * Usage: dtrace -s tol.d -c ./testoplock
  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$target:testoplock::entry
  31 {
  32   self->trace++;
  33 }
  34 
  35 /*
  36  * If traced and not masked, print entry/return
  37  */
  38 pid$target:testoplock::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 /* Skip the bsearch calls. */
  50 pid$target:testoplock:xlate_nt_status:entry
  51 {
  52   self->mask++;
  53 }
  54 
  55 pid$target:testoplock:xlate_nt_status:return
  56 {
  57   self->mask--;
  58 }
  59 
  60 pid$target:testoplock::return
  61 /self->trace > 0 && self->mask == 0/
  62 {
  63   printf("\t0x%x", arg1);
  64 }
  65 
  66 pid$target:testoplock::return
  67 {
  68   self->trace--;
  69 }
  70 
  71 /* ---------------------- */
  72 
  73 pid$target::smb_oplock_request:entry
  74 {
  75         self->sr = arg0;
  76         self->of = arg1;
  77         self->statep = arg2;
  78         this->state = *(uint32_t *)copyin(self->statep, 4);
  79         printf(" entry state=0x%x\n", this->state);
  80 }
  81 
  82 pid$target::smb_oplock_request:return
  83 {
  84         this->sr = (userland pid`smb_request_t *)self->sr;
  85         this->state = *(uint32_t *)copyin(self->statep, 4);
  86         printf(" return state=0x%x\n", this->state);
  87         printf("\nsr->arg.open = ");
  88         print(this->sr->arg.open);
  89 }
  90 
  91 pid$target::smb_oplock_break_cmn:entry
  92 {
  93         this->node = (userland pid`smb_node_t *)arg0;
  94         this->ofile = (userland pid`smb_ofile_t *)arg1;
  95         printf("\nnode->n_oplock = ");
  96         print(this->node->n_oplock);
  97         printf("\nofile->f_oplock = ");
  98         print(this->ofile->f_oplock);
  99 }
 100 
 101 pid$target::smb_oplock_ind_break:entry
 102 {
 103         this->ofile = (userland pid`smb_ofile_t *)arg0;
 104         printf("\nofile->f_oplock = ");
 105         print(this->ofile->f_oplock);
 106 }