filter_func_t 1035 kernel/trace/trace_uprobe.c typedef bool (*filter_func_t)(struct uprobe_consumer *self, filter_func_t 1039 kernel/trace/trace_uprobe.c static int trace_uprobe_enable(struct trace_uprobe *tu, filter_func_t filter) filter_func_t 1077 kernel/trace/trace_uprobe.c struct trace_event_file *file, filter_func_t filter)