probe_vfs_getname.sh

# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017

perf probe -l |& grep -q probe:vfs_getname
had_vfs_getname=$?

cleanup_probe_vfs_getname() {
	if [ $had_vfs_getname -eq 1 ] ; then
		perf probe -q -d probe:vfs_getname
	fi
}

add_probe_vfs_getname() {
	local verbose=$1
	if [ $had_vfs_getname -eq 1 ] ; then
               line=$(perf probe -L getname_flags | egrep 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*/\1/')
               perf probe $verbose "vfs_getname=getname_flags:${line} pathname=result->name:string"
	fi
}

skip_if_no_debuginfo() {
	add_probe_vfs_getname -v 2>&1 | grep -q "^Failed to find the path for kernel" && return 2
	return 1
}