41 	struct trace_eprobe	*ep;  member
45 #define for_each_trace_eprobe_tp(ep, _tp) \  argument
46 	list_for_each_entry(ep, trace_probe_probe_list(_tp), tp.list)
50 static void trace_event_probe_cleanup(struct trace_eprobe *ep)  in trace_event_probe_cleanup()  argument
52 	if (!ep)  in trace_event_probe_cleanup()
54 	trace_probe_cleanup(&ep->tp);  in trace_event_probe_cleanup()
55 	kfree(ep->event_name);  in trace_event_probe_cleanup()
56 	kfree(ep->event_system);  in trace_event_probe_cleanup()
57 	if (ep->event)  in trace_event_probe_cleanup()
58 		trace_event_put_ref(ep->event);  in trace_event_probe_cleanup()
59 	kfree(ep->filter_str);  in trace_event_probe_cleanup()
60 	kfree(ep);  in trace_event_probe_cleanup()
75 	struct trace_eprobe *ep = to_trace_eprobe(ev);  in eprobe_dyn_event_show()  local
78 	seq_printf(m, "e:%s/%s", trace_probe_group_name(&ep->tp),  in eprobe_dyn_event_show()
79 				trace_probe_name(&ep->tp));  in eprobe_dyn_event_show()
80 	seq_printf(m, " %s.%s", ep->event_system, ep->event_name);  in eprobe_dyn_event_show()
82 	for (i = 0; i < ep->tp.nr_args; i++)  in eprobe_dyn_event_show()
83 		seq_printf(m, " %s=%s", ep->tp.args[i].name, ep->tp.args[i].comm);  in eprobe_dyn_event_show()
89 static int unregister_trace_eprobe(struct trace_eprobe *ep)  in unregister_trace_eprobe()  argument
92 	if (trace_probe_has_sibling(&ep->tp))  in unregister_trace_eprobe()
96 	if (trace_probe_is_enabled(&ep->tp))  in unregister_trace_eprobe()
100 	if (trace_probe_unregister_event_call(&ep->tp))  in unregister_trace_eprobe()
104 	dyn_event_remove(&ep->devent);  in unregister_trace_eprobe()
105 	trace_probe_unlink(&ep->tp);  in unregister_trace_eprobe()
112 	struct trace_eprobe *ep = to_trace_eprobe(ev);  in eprobe_dyn_event_release()  local
113 	int ret = unregister_trace_eprobe(ep);  in eprobe_dyn_event_release()
116 		trace_event_probe_cleanup(ep);  in eprobe_dyn_event_release()
122 	struct trace_eprobe *ep = to_trace_eprobe(ev);  in eprobe_dyn_event_is_busy()  local
124 	return trace_probe_is_enabled(&ep->tp);  in eprobe_dyn_event_is_busy()
130 	struct trace_eprobe *ep = to_trace_eprobe(ev);  in eprobe_dyn_event_match()  local
152 	if (system && strcmp(trace_probe_group_name(&ep->tp), system) != 0)  in eprobe_dyn_event_match()
156 	if (event[0] != '\0' && strcmp(trace_probe_name(&ep->tp), event) != 0)  in eprobe_dyn_event_match()
171 	if (strncmp(ep->event_system, argv[0], slash - argv[0]))  in eprobe_dyn_event_match()
173 	if (strcmp(ep->event_name, slash + 1))  in eprobe_dyn_event_match()
183 	return trace_probe_match_command_args(&ep->tp, argc, argv);  in eprobe_dyn_event_match()
199 	struct trace_eprobe *ep;  in alloc_event_probe()  local
210 	ep = kzalloc(struct_size(ep, tp.args, nargs), GFP_KERNEL);  in alloc_event_probe()
211 	if (!ep) {  in alloc_event_probe()
215 	ep->event = event;  in alloc_event_probe()
216 	ep->event_name = kstrdup(event_name, GFP_KERNEL);  in alloc_event_probe()
217 	if (!ep->event_name)  in alloc_event_probe()
219 	ep->event_system = kstrdup(sys_name, GFP_KERNEL);  in alloc_event_probe()
220 	if (!ep->event_system)  in alloc_event_probe()
223 	ret = trace_probe_init(&ep->tp, this_event, group, false, nargs);  in alloc_event_probe()
227 	dyn_event_init(&ep->devent, &eprobe_dyn_event_ops);  in alloc_event_probe()
228 	return ep;  in alloc_event_probe()
230 	trace_event_probe_cleanup(ep);  in alloc_event_probe()
261 	struct trace_eprobe *ep;  in print_eprobe_event()  local
271 	ep = container_of(tp, struct trace_eprobe, tp);  in print_eprobe_event()
272 	type = ep->event->event.type;  in print_eprobe_event()
422 	struct trace_event_call *call = trace_probe_event_call(&edata->ep->tp);  in NOKPROBE_SYMBOL()
432 	dsize = get_eprobe_size(&edata->ep->tp, rec);  in NOKPROBE_SYMBOL()
435 					   sizeof(*entry) + edata->ep->tp.size + dsize);  in NOKPROBE_SYMBOL()
441 	store_trace_args(&entry[1], &edata->ep->tp, rec, NULL, sizeof(*entry), dsize);  in NOKPROBE_SYMBOL()
529 new_eprobe_trigger(struct trace_eprobe *ep, struct trace_event_file *file)  in new_eprobe_trigger()  argument
556 	if (ep->filter_str) {  in new_eprobe_trigger()
557 		ret = create_event_filter(file->tr, ep->event,  in new_eprobe_trigger()
558 					ep->filter_str, false, &filter);  in new_eprobe_trigger()
565 	edata->ep = ep;  in new_eprobe_trigger()
576 static int enable_eprobe(struct trace_eprobe *ep,  in enable_eprobe()  argument
583 	file = find_event_file(tr, ep->event_system, ep->event_name);  in enable_eprobe()
586 	trigger = new_eprobe_trigger(ep, eprobe_file);  in enable_eprobe()
602 static int disable_eprobe(struct trace_eprobe *ep,  in disable_eprobe()  argument
610 	file = find_event_file(tr, ep->event_system, ep->event_name);  in disable_eprobe()
618 		if (edata->ep == ep) {  in disable_eprobe()
648 	struct trace_eprobe *ep;  in enable_trace_eprobe()  local
669 	for_each_trace_eprobe_tp(ep, tp) {  in enable_trace_eprobe()
670 		ret = enable_eprobe(ep, file);  in enable_trace_eprobe()
686 			for_each_trace_eprobe_tp(ep, tp) {  in enable_trace_eprobe()
687 				disable_eprobe(ep, file->tr);  in enable_trace_eprobe()
705 	struct trace_eprobe *ep;  in disable_trace_eprobe()  local
721 		for_each_trace_eprobe_tp(ep, tp)  in disable_trace_eprobe()
722 			disable_eprobe(ep, file->tr);  in disable_trace_eprobe()
761 static inline void init_trace_eprobe_call(struct trace_eprobe *ep)  in init_trace_eprobe_call()  argument
763 	struct trace_event_call *call = trace_probe_event_call(&ep->tp);  in init_trace_eprobe_call()
798 static int trace_eprobe_tp_update_arg(struct trace_eprobe *ep, const char *argv[], int i)  in trace_eprobe_tp_update_arg()  argument
801 		.event = ep->event,  in trace_eprobe_tp_update_arg()
806 	ret = traceprobe_parse_probe_arg(&ep->tp, i, argv[i], &ctx);  in trace_eprobe_tp_update_arg()
809 		ret = traceprobe_update_arg(&ep->tp.args[i]);  in trace_eprobe_tp_update_arg()
815 static int trace_eprobe_parse_filter(struct trace_eprobe *ep, int argc, const char *argv[])  in trace_eprobe_parse_filter()  argument
830 	ep->filter_str = kzalloc(len, GFP_KERNEL);  in trace_eprobe_parse_filter()
831 	if (!ep->filter_str)  in trace_eprobe_parse_filter()
834 	p = ep->filter_str;  in trace_eprobe_parse_filter()
848 	ret = create_event_filter(top_trace_array(), ep->event, ep->filter_str,  in trace_eprobe_parse_filter()
856 	kfree(ep->filter_str);  in trace_eprobe_parse_filter()
857 	ep->filter_str = NULL;  in trace_eprobe_parse_filter()
872 	struct trace_eprobe *ep = NULL;  in __trace_eprobe_create()  local
922 	ep = alloc_event_probe(group, event, event_call, argc - 2);  in __trace_eprobe_create()
925 	if (IS_ERR(ep)) {  in __trace_eprobe_create()
926 		ret = PTR_ERR(ep);  in __trace_eprobe_create()
931 		ep = NULL;  in __trace_eprobe_create()
937 		ret = trace_eprobe_parse_filter(ep, filter_cnt, argv + filter_idx);  in __trace_eprobe_create()
941 		ep->filter_str = NULL;  in __trace_eprobe_create()
947 		ret = trace_eprobe_tp_update_arg(ep, argv, i);  in __trace_eprobe_create()
951 	ret = traceprobe_set_print_fmt(&ep->tp, PROBE_PRINT_EVENT);  in __trace_eprobe_create()
954 	init_trace_eprobe_call(ep);  in __trace_eprobe_create()
956 	ret = trace_probe_register_event_call(&ep->tp);  in __trace_eprobe_create()
965 	ret = dyn_event_add(&ep->devent, &ep->tp.event->call);  in __trace_eprobe_create()
967 		trace_probe_unregister_event_call(&ep->tp);  in __trace_eprobe_create()
976 	trace_event_probe_cleanup(ep);  in __trace_eprobe_create()