append_filter_err 1620 kernel/trace/trace_events_filter.c append_filter_err(tr, pe, filter); append_filter_err 1750 kernel/trace/trace_events_filter.c append_filter_err(tr, pe, *filterp); append_filter_err 1788 kernel/trace/trace_events_filter.c append_filter_err(tr, pe, *filterp);