83 static nokprobe_inline bool trace_kprobe_is_return(struct trace_kprobe *tk)  in trace_kprobe_is_return()  argument
85 	return tk->rp.handler != NULL;  in trace_kprobe_is_return()
88 static nokprobe_inline const char *trace_kprobe_symbol(struct trace_kprobe *tk)  in trace_kprobe_symbol()  argument
90 	return tk->symbol ? tk->symbol : "unknown";  in trace_kprobe_symbol()
93 static nokprobe_inline unsigned long trace_kprobe_offset(struct trace_kprobe *tk)  in trace_kprobe_offset()  argument
95 	return tk->rp.kp.offset;  in trace_kprobe_offset()
98 static nokprobe_inline bool trace_kprobe_has_gone(struct trace_kprobe *tk)  in trace_kprobe_has_gone()  argument
100 	return !!(kprobe_gone(&tk->rp.kp));  in trace_kprobe_has_gone()
103 static nokprobe_inline bool trace_kprobe_within_module(struct trace_kprobe *tk,  in trace_kprobe_within_module()  argument
107 	const char *name = trace_kprobe_symbol(tk);  in trace_kprobe_within_module()
112 static nokprobe_inline bool trace_kprobe_module_exist(struct trace_kprobe *tk)  in trace_kprobe_module_exist()  argument
117 	if (!tk->symbol)  in trace_kprobe_module_exist()
119 	p = strchr(tk->symbol, ':');  in trace_kprobe_module_exist()
124 	ret = !!find_module(tk->symbol);  in trace_kprobe_module_exist()
133 	struct trace_kprobe *tk = to_trace_kprobe(ev);  in trace_kprobe_is_busy()  local
135 	return trace_probe_is_enabled(&tk->tp);  in trace_kprobe_is_busy()
138 static bool trace_kprobe_match_command_head(struct trace_kprobe *tk,  in trace_kprobe_match_command_head()  argument
146 	if (!tk->symbol)  in trace_kprobe_match_command_head()
147 		snprintf(buf, sizeof(buf), "0x%p", tk->rp.kp.addr);  in trace_kprobe_match_command_head()
148 	else if (tk->rp.kp.offset)  in trace_kprobe_match_command_head()
150 			 trace_kprobe_symbol(tk), tk->rp.kp.offset);  in trace_kprobe_match_command_head()
152 		snprintf(buf, sizeof(buf), "%s", trace_kprobe_symbol(tk));  in trace_kprobe_match_command_head()
157 	return trace_probe_match_command_args(&tk->tp, argc, argv);  in trace_kprobe_match_command_head()
163 	struct trace_kprobe *tk = to_trace_kprobe(ev);  in trace_kprobe_match()  local
165 	return strcmp(trace_probe_name(&tk->tp), event) == 0 &&  in trace_kprobe_match()
166 	    (!system || strcmp(trace_probe_group_name(&tk->tp), system) == 0) &&  in trace_kprobe_match()
167 	    trace_kprobe_match_command_head(tk, argc, argv);  in trace_kprobe_match()
170 static nokprobe_inline unsigned long trace_kprobe_nhit(struct trace_kprobe *tk)  in trace_kprobe_nhit()  argument
176 		nhit += *per_cpu_ptr(tk->nhit, cpu);  in trace_kprobe_nhit()
181 static nokprobe_inline bool trace_kprobe_is_registered(struct trace_kprobe *tk)  in trace_kprobe_is_registered()  argument
183 	return !(list_empty(&tk->rp.kp.list) &&  in trace_kprobe_is_registered()
184 		 hlist_unhashed(&tk->rp.kp.hlist));  in trace_kprobe_is_registered()
189 unsigned long trace_kprobe_address(struct trace_kprobe *tk)  in trace_kprobe_address()  argument
193 	if (tk->symbol) {  in trace_kprobe_address()
195 			kallsyms_lookup_name(trace_kprobe_symbol(tk));  in trace_kprobe_address()
197 			addr += tk->rp.kp.offset;  in trace_kprobe_address()
199 		addr = (unsigned long)tk->rp.kp.addr;  in trace_kprobe_address()
218 	struct trace_kprobe *tk = trace_kprobe_primary_from_call(call);  in trace_kprobe_on_func_entry()  local
220 	return tk ? (kprobe_on_func_entry(tk->rp.kp.addr,  in trace_kprobe_on_func_entry()
221 			tk->rp.kp.addr ? NULL : tk->rp.kp.symbol_name,  in trace_kprobe_on_func_entry()
222 			tk->rp.kp.addr ? 0 : tk->rp.kp.offset) == 0) : false;  in trace_kprobe_on_func_entry()
227 	struct trace_kprobe *tk = trace_kprobe_primary_from_call(call);  in trace_kprobe_error_injectable()  local
229 	return tk ? within_error_injection_list(trace_kprobe_address(tk)) :  in trace_kprobe_error_injectable()
233 static int register_kprobe_event(struct trace_kprobe *tk);
234 static int unregister_kprobe_event(struct trace_kprobe *tk);
240 static void free_trace_kprobe(struct trace_kprobe *tk)  in free_trace_kprobe()  argument
242 	if (tk) {  in free_trace_kprobe()
243 		trace_probe_cleanup(&tk->tp);  in free_trace_kprobe()
244 		kfree(tk->symbol);  in free_trace_kprobe()
245 		free_percpu(tk->nhit);  in free_trace_kprobe()
246 		kfree(tk);  in free_trace_kprobe()
261 	struct trace_kprobe *tk;  in alloc_trace_kprobe()  local
264 	tk = kzalloc(struct_size(tk, tp.args, nargs), GFP_KERNEL);  in alloc_trace_kprobe()
265 	if (!tk)  in alloc_trace_kprobe()
268 	tk->nhit = alloc_percpu(unsigned long);  in alloc_trace_kprobe()
269 	if (!tk->nhit)  in alloc_trace_kprobe()
273 		tk->symbol = kstrdup(symbol, GFP_KERNEL);  in alloc_trace_kprobe()
274 		if (!tk->symbol)  in alloc_trace_kprobe()
276 		tk->rp.kp.symbol_name = tk->symbol;  in alloc_trace_kprobe()
277 		tk->rp.kp.offset = offs;  in alloc_trace_kprobe()
279 		tk->rp.kp.addr = addr;  in alloc_trace_kprobe()
282 		tk->rp.handler = kretprobe_dispatcher;  in alloc_trace_kprobe()
284 		tk->rp.kp.pre_handler = kprobe_dispatcher;  in alloc_trace_kprobe()
286 	tk->rp.maxactive = maxactive;  in alloc_trace_kprobe()
287 	INIT_HLIST_NODE(&tk->rp.kp.hlist);  in alloc_trace_kprobe()
288 	INIT_LIST_HEAD(&tk->rp.kp.list);  in alloc_trace_kprobe()
290 	ret = trace_probe_init(&tk->tp, event, group, false);  in alloc_trace_kprobe()
294 	dyn_event_init(&tk->devent, &trace_kprobe_ops);  in alloc_trace_kprobe()
295 	return tk;  in alloc_trace_kprobe()
297 	free_trace_kprobe(tk);  in alloc_trace_kprobe()
305 	struct trace_kprobe *tk;  in find_trace_kprobe()  local
307 	for_each_trace_kprobe(tk, pos)  in find_trace_kprobe()
308 		if (strcmp(trace_probe_name(&tk->tp), event) == 0 &&  in find_trace_kprobe()
309 		    strcmp(trace_probe_group_name(&tk->tp), group) == 0)  in find_trace_kprobe()
310 			return tk;  in find_trace_kprobe()
314 static inline int __enable_trace_kprobe(struct trace_kprobe *tk)  in __enable_trace_kprobe()  argument
318 	if (trace_kprobe_is_registered(tk) && !trace_kprobe_has_gone(tk)) {  in __enable_trace_kprobe()
319 		if (trace_kprobe_is_return(tk))  in __enable_trace_kprobe()
320 			ret = enable_kretprobe(&tk->rp);  in __enable_trace_kprobe()
322 			ret = enable_kprobe(&tk->rp.kp);  in __enable_trace_kprobe()
331 	struct trace_kprobe *tk;  in __disable_trace_kprobe()  local
334 		tk = container_of(pos, struct trace_kprobe, tp);  in __disable_trace_kprobe()
335 		if (!trace_kprobe_is_registered(tk))  in __disable_trace_kprobe()
337 		if (trace_kprobe_is_return(tk))  in __disable_trace_kprobe()
338 			disable_kretprobe(&tk->rp);  in __disable_trace_kprobe()
340 			disable_kprobe(&tk->rp.kp);  in __disable_trace_kprobe()
352 	struct trace_kprobe *tk;  in enable_trace_kprobe()  local
373 		tk = container_of(pos, struct trace_kprobe, tp);  in enable_trace_kprobe()
374 		if (trace_kprobe_has_gone(tk))  in enable_trace_kprobe()
376 		ret = __enable_trace_kprobe(tk);  in enable_trace_kprobe()
452 static bool within_notrace_func(struct trace_kprobe *tk)  in within_notrace_func()  argument
454 	unsigned long addr = trace_kprobe_address(tk);  in within_notrace_func()
474 #define within_notrace_func(tk)	(false)  argument
478 static int __register_trace_kprobe(struct trace_kprobe *tk)  in __register_trace_kprobe()  argument
486 	if (trace_kprobe_is_registered(tk))  in __register_trace_kprobe()
489 	if (within_notrace_func(tk)) {  in __register_trace_kprobe()
491 			trace_kprobe_symbol(tk));  in __register_trace_kprobe()
495 	for (i = 0; i < tk->tp.nr_args; i++) {  in __register_trace_kprobe()
496 		ret = traceprobe_update_arg(&tk->tp.args[i]);  in __register_trace_kprobe()
502 	if (trace_probe_is_enabled(&tk->tp))  in __register_trace_kprobe()
503 		tk->rp.kp.flags &= ~KPROBE_FLAG_DISABLED;  in __register_trace_kprobe()
505 		tk->rp.kp.flags |= KPROBE_FLAG_DISABLED;  in __register_trace_kprobe()
507 	if (trace_kprobe_is_return(tk))  in __register_trace_kprobe()
508 		ret = register_kretprobe(&tk->rp);  in __register_trace_kprobe()
510 		ret = register_kprobe(&tk->rp.kp);  in __register_trace_kprobe()
516 static void __unregister_trace_kprobe(struct trace_kprobe *tk)  in __unregister_trace_kprobe()  argument
518 	if (trace_kprobe_is_registered(tk)) {  in __unregister_trace_kprobe()
519 		if (trace_kprobe_is_return(tk))  in __unregister_trace_kprobe()
520 			unregister_kretprobe(&tk->rp);  in __unregister_trace_kprobe()
522 			unregister_kprobe(&tk->rp.kp);  in __unregister_trace_kprobe()
524 		INIT_HLIST_NODE(&tk->rp.kp.hlist);  in __unregister_trace_kprobe()
525 		INIT_LIST_HEAD(&tk->rp.kp.list);  in __unregister_trace_kprobe()
526 		if (tk->rp.kp.symbol_name)  in __unregister_trace_kprobe()
527 			tk->rp.kp.addr = NULL;  in __unregister_trace_kprobe()
532 static int unregister_trace_kprobe(struct trace_kprobe *tk)  in unregister_trace_kprobe()  argument
535 	if (trace_probe_has_sibling(&tk->tp))  in unregister_trace_kprobe()
539 	if (trace_probe_is_enabled(&tk->tp))  in unregister_trace_kprobe()
543 	if (trace_event_dyn_busy(trace_probe_event_call(&tk->tp)))  in unregister_trace_kprobe()
547 	if (unregister_kprobe_event(tk))  in unregister_trace_kprobe()
551 	__unregister_trace_kprobe(tk);  in unregister_trace_kprobe()
552 	dyn_event_remove(&tk->devent);  in unregister_trace_kprobe()
553 	trace_probe_unlink(&tk->tp);  in unregister_trace_kprobe()
589 static int append_trace_kprobe(struct trace_kprobe *tk, struct trace_kprobe *to)  in append_trace_kprobe()  argument
593 	ret = trace_probe_compare_arg_type(&tk->tp, &to->tp);  in append_trace_kprobe()
600 	if (trace_kprobe_has_same_kprobe(to, tk)) {  in append_trace_kprobe()
607 	ret = trace_probe_append(&tk->tp, &to->tp);  in append_trace_kprobe()
612 	ret = __register_trace_kprobe(tk);  in append_trace_kprobe()
613 	if (ret == -ENOENT && !trace_kprobe_module_exist(tk)) {  in append_trace_kprobe()
619 		trace_probe_unlink(&tk->tp);  in append_trace_kprobe()
621 		dyn_event_add(&tk->devent, trace_probe_event_call(&tk->tp));  in append_trace_kprobe()
627 static int register_trace_kprobe(struct trace_kprobe *tk)  in register_trace_kprobe()  argument
634 	old_tk = find_trace_kprobe(trace_probe_name(&tk->tp),  in register_trace_kprobe()
635 				   trace_probe_group_name(&tk->tp));  in register_trace_kprobe()
637 		if (trace_kprobe_is_return(tk) != trace_kprobe_is_return(old_tk)) {  in register_trace_kprobe()
642 			ret = append_trace_kprobe(tk, old_tk);  in register_trace_kprobe()
648 	ret = register_kprobe_event(tk);  in register_trace_kprobe()
659 	ret = __register_trace_kprobe(tk);  in register_trace_kprobe()
660 	if (ret == -ENOENT && !trace_kprobe_module_exist(tk)) {  in register_trace_kprobe()
666 		unregister_kprobe_event(tk);  in register_trace_kprobe()
668 		dyn_event_add(&tk->devent, trace_probe_event_call(&tk->tp));  in register_trace_kprobe()
681 	struct trace_kprobe *tk;  in trace_kprobe_module_callback()  local
689 	for_each_trace_kprobe(tk, pos) {  in trace_kprobe_module_callback()
690 		if (trace_kprobe_within_module(tk, mod)) {  in trace_kprobe_module_callback()
692 			__unregister_trace_kprobe(tk);  in trace_kprobe_module_callback()
693 			ret = __register_trace_kprobe(tk);  in trace_kprobe_module_callback()
696 					trace_probe_name(&tk->tp),  in trace_kprobe_module_callback()
736 	struct trace_kprobe *tk = NULL;  in __trace_kprobe_create()  local
857 	tk = alloc_trace_kprobe(group, event, addr, symbol, offset, maxactive,  in __trace_kprobe_create()
859 	if (IS_ERR(tk)) {  in __trace_kprobe_create()
860 		ret = PTR_ERR(tk);  in __trace_kprobe_create()
870 		ret = traceprobe_parse_probe_arg(&tk->tp, i, argv[i], flags);  in __trace_kprobe_create()
876 	ret = traceprobe_set_print_fmt(&tk->tp, ptype);  in __trace_kprobe_create()
880 	ret = register_trace_kprobe(tk);  in __trace_kprobe_create()
900 	free_trace_kprobe(tk);  in __trace_kprobe_create()
1089 	struct trace_kprobe *tk = to_trace_kprobe(ev);  in trace_kprobe_release()  local
1090 	int ret = unregister_trace_kprobe(tk);  in trace_kprobe_release()
1093 		free_trace_kprobe(tk);  in trace_kprobe_release()
1099 	struct trace_kprobe *tk = to_trace_kprobe(ev);  in trace_kprobe_show()  local
1102 	seq_putc(m, trace_kprobe_is_return(tk) ? 'r' : 'p');  in trace_kprobe_show()
1103 	if (trace_kprobe_is_return(tk) && tk->rp.maxactive)  in trace_kprobe_show()
1104 		seq_printf(m, "%d", tk->rp.maxactive);  in trace_kprobe_show()
1105 	seq_printf(m, ":%s/%s", trace_probe_group_name(&tk->tp),  in trace_kprobe_show()
1106 				trace_probe_name(&tk->tp));  in trace_kprobe_show()
1108 	if (!tk->symbol)  in trace_kprobe_show()
1109 		seq_printf(m, " 0x%p", tk->rp.kp.addr);  in trace_kprobe_show()
1110 	else if (tk->rp.kp.offset)  in trace_kprobe_show()
1111 		seq_printf(m, " %s+%u", trace_kprobe_symbol(tk),  in trace_kprobe_show()
1112 			   tk->rp.kp.offset);  in trace_kprobe_show()
1114 		seq_printf(m, " %s", trace_kprobe_symbol(tk));  in trace_kprobe_show()
1116 	for (i = 0; i < tk->tp.nr_args; i++)  in trace_kprobe_show()
1117 		seq_printf(m, " %s=%s", tk->tp.args[i].name, tk->tp.args[i].comm);  in trace_kprobe_show()
1177 	struct trace_kprobe *tk;  in probes_profile_seq_show()  local
1182 	tk = to_trace_kprobe(ev);  in probes_profile_seq_show()
1184 		   trace_probe_name(&tk->tp),  in probes_profile_seq_show()
1185 		   trace_kprobe_nhit(tk),  in probes_profile_seq_show()
1186 		   tk->rp.kp.nmissed);  in probes_profile_seq_show()
1373 __kprobe_trace_func(struct trace_kprobe *tk, struct pt_regs *regs,  in NOKPROBE_SYMBOL()
1377 	struct trace_event_call *call = trace_probe_event_call(&tk->tp);  in NOKPROBE_SYMBOL()
1389 	dsize = __get_data_size(&tk->tp, regs);  in NOKPROBE_SYMBOL()
1394 					sizeof(*entry) + tk->tp.size + dsize,  in NOKPROBE_SYMBOL()
1401 	entry->ip = (unsigned long)tk->rp.kp.addr;  in NOKPROBE_SYMBOL()
1402 	store_trace_args(&entry[1], &tk->tp, regs, sizeof(*entry), dsize);  in NOKPROBE_SYMBOL()
1408 kprobe_trace_func(struct trace_kprobe *tk, struct pt_regs *regs)  in kprobe_trace_func()  argument
1412 	trace_probe_for_each_link_rcu(link, &tk->tp)  in kprobe_trace_func()
1413 		__kprobe_trace_func(tk, regs, link->file);  in kprobe_trace_func()
1419 __kretprobe_trace_func(struct trace_kprobe *tk, struct kretprobe_instance *ri,  in __kretprobe_trace_func()  argument
1425 	struct trace_event_call *call = trace_probe_event_call(&tk->tp);  in __kretprobe_trace_func()
1436 	dsize = __get_data_size(&tk->tp, regs);  in __kretprobe_trace_func()
1440 					sizeof(*entry) + tk->tp.size + dsize,  in __kretprobe_trace_func()
1447 	entry->func = (unsigned long)tk->rp.kp.addr;  in __kretprobe_trace_func()
1449 	store_trace_args(&entry[1], &tk->tp, regs, sizeof(*entry), dsize);  in __kretprobe_trace_func()
1455 kretprobe_trace_func(struct trace_kprobe *tk, struct kretprobe_instance *ri,  in kretprobe_trace_func()  argument
1460 	trace_probe_for_each_link_rcu(link, &tk->tp)  in kretprobe_trace_func()
1461 		__kretprobe_trace_func(tk, ri, regs, link->file);  in kretprobe_trace_func()
1568 kprobe_perf_func(struct trace_kprobe *tk, struct pt_regs *regs)  in kprobe_perf_func()  argument
1570 	struct trace_event_call *call = trace_probe_event_call(&tk->tp);  in kprobe_perf_func()
1597 	dsize = __get_data_size(&tk->tp, regs);  in kprobe_perf_func()
1598 	__size = sizeof(*entry) + tk->tp.size + dsize;  in kprobe_perf_func()
1606 	entry->ip = (unsigned long)tk->rp.kp.addr;  in kprobe_perf_func()
1608 	store_trace_args(&entry[1], &tk->tp, regs, sizeof(*entry), dsize);  in kprobe_perf_func()
1617 kretprobe_perf_func(struct trace_kprobe *tk, struct kretprobe_instance *ri,  in kretprobe_perf_func()  argument
1620 	struct trace_event_call *call = trace_probe_event_call(&tk->tp);  in kretprobe_perf_func()
1633 	dsize = __get_data_size(&tk->tp, regs);  in kretprobe_perf_func()
1634 	__size = sizeof(*entry) + tk->tp.size + dsize;  in kretprobe_perf_func()
1642 	entry->func = (unsigned long)tk->rp.kp.addr;  in kretprobe_perf_func()
1644 	store_trace_args(&entry[1], &tk->tp, regs, sizeof(*entry), dsize);  in kretprobe_perf_func()
1656 	struct trace_kprobe *tk;  in bpf_get_kprobe_info()  local
1659 		tk = find_trace_kprobe(pevent, group);  in bpf_get_kprobe_info()
1661 		tk = trace_kprobe_primary_from_call(event->tp_event);  in bpf_get_kprobe_info()
1662 	if (!tk)  in bpf_get_kprobe_info()
1665 	*fd_type = trace_kprobe_is_return(tk) ? BPF_FD_TYPE_KRETPROBE  in bpf_get_kprobe_info()
1667 	if (tk->symbol) {  in bpf_get_kprobe_info()
1668 		*symbol = tk->symbol;  in bpf_get_kprobe_info()
1669 		*probe_offset = tk->rp.kp.offset;  in bpf_get_kprobe_info()
1674 		*probe_addr = (unsigned long)tk->rp.kp.addr;  in bpf_get_kprobe_info()
1714 	struct trace_kprobe *tk = container_of(kp, struct trace_kprobe, rp.kp);  in kprobe_dispatcher()  local
1717 	raw_cpu_inc(*tk->nhit);  in kprobe_dispatcher()
1719 	if (trace_probe_test_flag(&tk->tp, TP_FLAG_TRACE))  in kprobe_dispatcher()
1720 		kprobe_trace_func(tk, regs);  in kprobe_dispatcher()
1722 	if (trace_probe_test_flag(&tk->tp, TP_FLAG_PROFILE))  in kprobe_dispatcher()
1723 		ret = kprobe_perf_func(tk, regs);  in kprobe_dispatcher()
1733 	struct trace_kprobe *tk = container_of(rp, struct trace_kprobe, rp);  in kretprobe_dispatcher()  local
1735 	raw_cpu_inc(*tk->nhit);  in kretprobe_dispatcher()
1737 	if (trace_probe_test_flag(&tk->tp, TP_FLAG_TRACE))  in kretprobe_dispatcher()
1738 		kretprobe_trace_func(tk, ri, regs);  in kretprobe_dispatcher()
1740 	if (trace_probe_test_flag(&tk->tp, TP_FLAG_PROFILE))  in kretprobe_dispatcher()
1741 		kretprobe_perf_func(tk, ri, regs);  in kretprobe_dispatcher()
1767 static inline void init_trace_event_call(struct trace_kprobe *tk)  in init_trace_event_call()  argument
1769 	struct trace_event_call *call = trace_probe_event_call(&tk->tp);  in init_trace_event_call()
1771 	if (trace_kprobe_is_return(tk)) {  in init_trace_event_call()
1783 static int register_kprobe_event(struct trace_kprobe *tk)  in register_kprobe_event()  argument
1785 	init_trace_event_call(tk);  in register_kprobe_event()
1787 	return trace_probe_register_event_call(&tk->tp);  in register_kprobe_event()
1790 static int unregister_kprobe_event(struct trace_kprobe *tk)  in unregister_kprobe_event()  argument
1792 	return trace_probe_unregister_event_call(&tk->tp);  in unregister_kprobe_event()
1802 	struct trace_kprobe *tk;  in create_local_trace_kprobe()  local
1813 	tk = alloc_trace_kprobe(KPROBE_EVENT_SYSTEM, event, (void *)addr, func,  in create_local_trace_kprobe()
1817 	if (IS_ERR(tk)) {  in create_local_trace_kprobe()
1819 			(int)PTR_ERR(tk));  in create_local_trace_kprobe()
1820 		return ERR_CAST(tk);  in create_local_trace_kprobe()
1823 	init_trace_event_call(tk);  in create_local_trace_kprobe()
1825 	ptype = trace_kprobe_is_return(tk) ?  in create_local_trace_kprobe()
1827 	if (traceprobe_set_print_fmt(&tk->tp, ptype) < 0) {  in create_local_trace_kprobe()
1832 	ret = __register_trace_kprobe(tk);  in create_local_trace_kprobe()
1836 	return trace_probe_event_call(&tk->tp);  in create_local_trace_kprobe()
1838 	free_trace_kprobe(tk);  in create_local_trace_kprobe()
1844 	struct trace_kprobe *tk;  in destroy_local_trace_kprobe()  local
1846 	tk = trace_kprobe_primary_from_call(event_call);  in destroy_local_trace_kprobe()
1847 	if (unlikely(!tk))  in destroy_local_trace_kprobe()
1850 	if (trace_probe_is_enabled(&tk->tp)) {  in destroy_local_trace_kprobe()
1855 	__unregister_trace_kprobe(tk);  in destroy_local_trace_kprobe()
1857 	free_trace_kprobe(tk);  in destroy_local_trace_kprobe()
1865 	struct trace_kprobe *tk;  in enable_boot_kprobe_events()  local
1869 	for_each_trace_kprobe(tk, pos) {  in enable_boot_kprobe_events()
1871 			if (file->event_call == trace_probe_event_call(&tk->tp))  in enable_boot_kprobe_events()
1951 find_trace_probe_file(struct trace_kprobe *tk, struct trace_array *tr)  in find_trace_probe_file()  argument
1956 		if (file->event_call == trace_probe_event_call(&tk->tp))  in find_trace_probe_file()
1970 	struct trace_kprobe *tk;  in kprobe_trace_self_tests_init()  local
1989 		tk = find_trace_kprobe("testprobe", KPROBE_EVENT_SYSTEM);  in kprobe_trace_self_tests_init()
1990 		if (WARN_ON_ONCE(tk == NULL)) {  in kprobe_trace_self_tests_init()
1994 			file = find_trace_probe_file(tk, top_trace_array());  in kprobe_trace_self_tests_init()
2000 					trace_probe_event_call(&tk->tp), file);  in kprobe_trace_self_tests_init()
2010 		tk = find_trace_kprobe("testprobe2", KPROBE_EVENT_SYSTEM);  in kprobe_trace_self_tests_init()
2011 		if (WARN_ON_ONCE(tk == NULL)) {  in kprobe_trace_self_tests_init()
2015 			file = find_trace_probe_file(tk, top_trace_array());  in kprobe_trace_self_tests_init()
2021 					trace_probe_event_call(&tk->tp), file);  in kprobe_trace_self_tests_init()
2039 	tk = find_trace_kprobe("testprobe", KPROBE_EVENT_SYSTEM);  in kprobe_trace_self_tests_init()
2040 	if (WARN_ON_ONCE(tk == NULL)) {  in kprobe_trace_self_tests_init()
2044 		if (trace_kprobe_nhit(tk) != 1) {  in kprobe_trace_self_tests_init()
2049 		file = find_trace_probe_file(tk, top_trace_array());  in kprobe_trace_self_tests_init()
2055 				trace_probe_event_call(&tk->tp), file);  in kprobe_trace_self_tests_init()
2058 	tk = find_trace_kprobe("testprobe2", KPROBE_EVENT_SYSTEM);  in kprobe_trace_self_tests_init()
2059 	if (WARN_ON_ONCE(tk == NULL)) {  in kprobe_trace_self_tests_init()
2063 		if (trace_kprobe_nhit(tk) != 1) {  in kprobe_trace_self_tests_init()
2068 		file = find_trace_probe_file(tk, top_trace_array());  in kprobe_trace_self_tests_init()
2074 				trace_probe_event_call(&tk->tp), file);  in kprobe_trace_self_tests_init()