4474 DTrace Userland CTF Support
4475 DTrace userland Keyword
4476 DTrace tests should be better citizens
4479 pid provider types
4480 dof emulation missing checks
Reviewed by: Bryan Cantrill <bryan@joyent.com>

          --- old/usr/src/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh
          +++ new/usr/src/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh

   1    1  #
   2    2  # CDDL HEADER START
   3    3  #
   4    4  # The contents of this file are subject to the terms of the
   5    5  # Common Development and Distribution License (the "License").
   6    6  # You may not use this file except in compliance with the License.
   7    7  #
   8    8  # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9  # or http://www.opensolaris.org/os/licensing.
  10   10  # See the License for the specific language governing permissions
  11   11  # and limitations under the License.
  12   12  #
  13   13  # When distributing Covered Code, include this CDDL HEADER in each
  14   14  # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15  # If applicable, add the following below this CDDL HEADER, with the
  16   16  # fields enclosed by brackets "[]" replaced with your own identifying
  17   17  # information: Portions Copyright [yyyy] [name of copyright owner]
  18   18  #
  19   19  # CDDL HEADER END
  20   20  #
  21   21  
  22   22  #
  23   23  # Copyright (c) 2011, Joyent, Inc. All rights reserved.
  24   24  #
  25   25  
  26   26  if [ $# != 1 ]; then
  27   27          echo expected one argument: '<'dtrace-path'>'
  28   28          exit 2
  29   29  fi
  30   30  
  31   31  dtrace=$1
  32   32  DIR=/var/tmp/dtest.$$
  33   33  
  34   34  mkdir $DIR
  35   35  cd $DIR
  36   36  
  37   37  cat > test.c <<EOF
  38   38  #include <unistd.h>
  39   39  #include <sys/sdt.h>
  40   40  
  41   41  int
  42   42  main(int argc, char **argv)
  43   43  {

  44   44          DTRACE_PROBE(test_prov, probe1);
  45   45  }
  46   46  EOF
  47   47  
  48   48  cat > prov.d <<EOF
  49   49  provider test_prov {
  50   50          probe probe1();
  51   51  };
  52   52  EOF
  53   53  
  54      -gcc -c test.c
       54 +gcc -m32 -c test.c
  55   55  if [ $? -ne 0 ]; then
  56   56          print -u2 "failed to compile test.c"
  57   57          exit 1
  58   58  fi
  59   59  $dtrace -G -32 -s prov.d test.o
  60   60  if [ $? -ne 0 ]; then
  61   61          print -u2 "failed to create DOF"
  62   62          exit 1
  63   63  fi
  64      -gcc -o test test.o prov.o
       64 +
       65 +gcc -m32 -o test test.o prov.o
  65   66  if [ $? -ne 0 ]; then
  66   67          print -u2 "failed to link final executable"
  67   68          exit 1
  68   69  fi
  69   70  
  70   71  script()
  71   72  {
  72   73          $dtrace -Zwqs /dev/stdin <<EOF
  73   74  
  74   75          BEGIN

  75   76          {
  76   77                  spec = speculation();
  77   78                  speculate(spec);
  78   79                  printf("this is speculative!\n");
  79   80          }
  80   81  
  81   82          test_prov*:::
  82   83          {
  83   84                  probeid = id;
  84   85          }
  85   86  
  86   87          tick-1sec
  87   88          /probeid == 0/
  88   89          {
  89   90                  printf("launching test\n");
  90   91                  system("./test");
  91   92          }
  92   93  
  93   94          tick-1sec
  94   95          /probeid != 0/
  95   96          {
  96   97                  printf("attempting re-enabling\n");
  97   98                  system("dtrace -e -x errtags -i %d", probeid);
  98   99                  attempts++;
  99  100          }
 100  101  
 101  102          tick-1sec
 102  103          /attempts > 10/
 103  104          {
 104  105                  exit(0);
 105  106          }
 106  107  EOF
 107  108  }
 108  109  
 109  110  script 2>&1 | tee test.out
 110  111  
 111  112  #
 112  113  # It should be true that our probe was not reaped after the provider was made
 113  114  # defunct: the speculative tracing action prevents reaping of any ECB in the
 114  115  # enabling.
 115  116  # 
 116  117  status=0
 117  118  
 118  119  if grep D_PDESC_INVAL test.out 2> /dev/null 1>&2 ; then
 119  120          status=1
 120  121  else
 121  122          grep D_PROC_GRAB test.out 2> /dev/null 1>&2
 122  123          status=$?
 123  124  fi
 124  125  
 125  126  cd /
 126  127  /usr/bin/rm -rf $DIR
 127  128  
 128  129  exit $status

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