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