usr/src/cmd/dtrace/test/tst/common/cpc/err.cpcvscpustatpart1.ksh

   1 #!/bin/ksh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22
  23 #
  24 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27
  28
  29 #
  30 # This tests that cpustat(1) should fail to start if the cpc provider
  31 # is already calling the shots.
  32 #
  33 # This script will fail if:
  34 #       1) The system under test does not define the 'PAPI_tot_ins'
  35 #       generic event.
  36
  37 script()
  38 {
  39         $dtrace -o $dtraceout -s /dev/stdin <<EOF
  40         #pragma D option bufsize=128k
  41
  42         cpc:::PAPI_tot_ins-all-10000
  43         {
  44                 @[probename] = count();
  45         }
  46 EOF
  47 }
  48
  49 if [ $# != 1 ]; then
  50         echo expected one argument: '<'dtrace-path'>'
  51         exit 2
  52 fi
  53
  54 dtrace=$1
  55 dtraceout=/tmp/dtrace.out.$$
  56 script 2>/dev/null &
  57 timeout=15
  58
  59 #
  60 # Sleep while the above script fires into life. To guard against dtrace dying
  61 # and us sleeping forever we allow 15 secs for this to happen. This should be
  62 # enough for even the slowest systems.
  63 #
  64 while [ ! -f $dtraceout ]; do
  65         sleep 1
  66         timeout=$(($timeout-1))
  67         if [ $timeout -eq 0 ]; then
  68                 echo "dtrace failed to start. Exiting."
  69                 exit 1
  70         fi
  71 done
  72
  73 cpustat -c PAPI_tot_ins 1 5
  74 status=$?
  75
  76 rm $dtraceout
  77
  78 exit $status