testsuite/buildok/fortytwo.stp

   1 #! /bin/sh
   2
   3 # This is a roundabout test of kernel.statement().
   4
   5 set -e
   6
   7 fn="do_readv_writev@fs/read_write.c"
   8 var="file"
   9
  10 fullfn=`stap $@ -wp2 -e 'probe kernel.statement("'$fn'") {}' | grep kernel | cut -f2 -d'"'`
  11 lineno=`echo $fullfn | cut -f2 -d:`
  12
  13 echo "$0: $fn found, starting line $lineno"
  14
  15 for i in 0 1 2 4 6 10 15 20 25 # some random numbers, not larger than the number of lines in fn
  16 do
  17     ilineno=`expr $lineno + $i`
  18     errors=`stap $@ -u -p4 -e 'probe kernel.statement("'$fn':'$ilineno'") {$'$var'}' 2>&1 >/dev/null ||true `
  19     if echo "$errors" | grep -q unable.to.find.local
  20     then
  21         echo "Unexpected error $errors"; exit 1
  22     fi
  23     echo 'probe kernel.statement("'$fn':'$ilineno'") {$'$var'}' '#' OK
  24 done
  25
  26 errors=`stap $@ -u -p4 -e 'probe kernel.statement("'$fn':'$lineno'").nearest {$'$var'}' 2>&1 >/dev/null ||true `
  27 if echo "$errors" | grep -q unable.to.find.local
  28 then
  29     echo "Unexpected error $errors"; exit 1
  30 fi
  31 echo 'probe kernel.statement("'$fn':'$lineno'").nearest {$'$var'}' '#' OK