usr/src/cmd/dtrace/test/tst/common/cpc/tst.allcpus.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 # This script verifies that we can fire a probe on each CPU that is in
  30 # an online state.
  31 #
  32 # The script will fail if:
  33 #       1) The system under test does not define the 'PAPI_tot_ins' event.
  34 #
  35
  36 if [ $# != 1 ]; then
  37         echo expected one argument: '<'dtrace-path'>'
  38         exit 2
  39 fi
  40
  41 dtrace=$1
  42 numproc=`psrinfo | tail -1 | cut -f1`
  43 cpu=0
  44 dtraceout=/var/tmp/dtrace.out.$$
  45 scriptout=/var/tmp/script.out.$$
  46
  47 spin()
  48 {
  49         while [ 1 ]; do
  50                 :
  51         done
  52 }
  53
  54 script()
  55 {
  56         $dtrace -o $dtraceout -s /dev/stdin <<EOF
  57         #pragma D option bufsize=128k
  58         #pragma D option quiet
  59
  60         cpc:::PAPI_tot_ins-user-10000
  61         /cpus[cpu] != 1/
  62         {
  63                 cpus[cpu] = 1;
  64                 @a[cpu] = count();
  65         }
  66
  67         tick-1s
  68         /n++ > 10/
  69         {
  70                 printa(@a);
  71                 exit(0);
  72         }
  73 EOF
  74 }
  75
  76 echo "" > $scriptout
  77 while [ $cpu -le $numproc ]
  78 do
  79         if [ "`psrinfo -s $cpu 2> /dev/null`" -eq 1 ]; then
  80                 printf "%9d %16d\n" $cpu 1 >> $scriptout
  81                 spin &
  82                 allpids[$cpu]=$!
  83                 pbind -b $cpu $!
  84         fi
  85         cpu=$(($cpu+1))
  86 done
  87 echo "" >> $scriptout
  88
  89 script
  90
  91 diff $dtraceout $scriptout >/dev/null 2>&1
  92 status=$?
  93
  94 # kill off the spinner processes
  95 cpu=0
  96 while [ $cpu -le $numproc ]
  97 do
  98         if [ "`psrinfo -s $cpu 2> /dev/null`" -eq 1 ]; then
  99                 kill ${allpids[$cpu]}
 100         fi
 101         cpu=$(($cpu+1))
 102 done
 103
 104 rm $dtraceout
 105 rm $scriptout
 106
 107 exit $status