regress/sys/fs/ffs/estimatecompare

   1 #!/bin/sh
   2 ##  First arg is expected number of blocks.  Rest are args to be passed to dump.
   3 expectedest=$1
   4 shift
   5
   6 echo "Expecting estimate around $expectedest blocks:"
   7 est=`/sbin/dump $* 2>&1 | grep estimated`
   8 echo $est
   9 blkest=`echo $est | awk '{print $3;}'`
  10
  11 diff=`echo $expectedest $blkest |\
  12     awk '{if ($1<$2) print $2-$1; else print $1-$2;}'`
  13
  14 thresh=10
  15 ##  Use an error threshold of $thresh blocks.  The error could arise from
  16 ##  one machine with a larger / and /tmp than the system on which this
  17 ##  test was developed.
  18
  19 if [ $diff -gt $thresh ]; then
  20   echo "Error:  estimated $blkest blocks!"
  21   exit 1
  22 fi