+ return $self->write_to_path("/sys/fs/cgroup/cpuset/$cgroup");
+}
+
+# Takes the cgroup directory containing the cpuset.cpus file (to be closer to
+# new_from_path behavior this doesn't take the complete file name).
+sub write_to_path {
+ my ($self, $path) = @_;
+
+ my $filename = "$path/cpuset.cpus";