package fs import ( "github.com/dotcloud/docker/pkg/cgroups" ) type perfEventGroup struct { } func (s *perfEventGroup) Set(d *data) error { // we just want to join this group even though we don't set anything if _, err := d.join("perf_event"); err != nil && err != cgroups.ErrNotFound { return err } return nil } func (s *perfEventGroup) Remove(d *data) error { return removePath(d.path("perf_event")) }