1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 
  22 #
  23 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 
  27 #
  28 # ASSERTION: Make sure that we can map in and read the Xen trace buffers.
  29 #
  30 
  31 if [ $# != 1 ]; then
  32         echo expected one argument: '<'dtrace-path'>'
  33         exit 2
  34 fi
  35 
  36 #
  37 # Do not fail the test in a domU
  38 #
  39 if [ ! -c /dev/xen/privcmd ]; then
  40         exit 0
  41 fi
  42 
  43 dtrace=$1
  44 
  45 script()
  46 {
  47         $dtrace -qs /dev/stdin <<EOF
  48         xdt:sched::on-cpu
  49         /arg0 == 0/
  50         {
  51                 self->on++;
  52         }
  53 
  54         xdt:sched::off-cpu
  55         /arg0 == 0 && self->on/
  56         {
  57                 self->off++;
  58         }
  59 
  60         xdt:sched::off-cpu
  61         /self->on > 50 && self->off > 50/
  62         {
  63                 exit(0);
  64         }
  65 
  66         profile:::tick-1sec
  67         /n++ > 10/
  68         {
  69                 exit(1);
  70         }
  71 EOF
  72 }
  73 
  74 script
  75 status=$?
  76 
  77 exit $status