kernel/trace/trace_functions.c

25 function_trace_call(unsigned long ip, unsigned long parent_ip,
28 function_stack_trace_call(unsigned long ip, unsigned long parent_ip,
31 function_no_repeats_trace_call(unsigned long ip, unsigned long parent_ip,
34 function_stack_no_repeats_trace_call(unsigned long ip, unsigned long parent_ip,
172 function_trace_call(unsigned long ip, unsigned long parent_ip,
184 	bit = ftrace_test_recursion_trylock(ip, parent_ip);
193 		trace_function(tr, ip, parent_ip, trace_ctx);
217 function_stack_trace_call(unsigned long ip, unsigned long parent_ip,
241 		trace_function(tr, ip, parent_ip, trace_ctx);
251 				   unsigned long ip, unsigned long parent_ip)
253 	if (last_info->ip == ip &&
266 				   unsigned long ip, unsigned long parent_ip,
275 	last_info->ip = ip;
280 function_no_repeats_trace_call(unsigned long ip, unsigned long parent_ip,
295 	bit = ftrace_test_recursion_trylock(ip, parent_ip);
312 	if (is_repeat_check(tr, last_info, ip, parent_ip))
317 	process_repeats(tr, ip, parent_ip, last_info, trace_ctx);
319 	trace_function(tr, ip, parent_ip, trace_ctx);
326 function_stack_no_repeats_trace_call(unsigned long ip, unsigned long parent_ip,
352 		if (is_repeat_check(tr, last_info, ip, parent_ip))
356 		process_repeats(tr, ip, parent_ip, last_info, trace_ctx);
358 		trace_function(tr, ip, parent_ip, trace_ctx);
444 				 unsigned long ip,
481 	count = (long *)ftrace_func_mapper_find_ip(mapper, ip);
505 ftrace_traceon_count(unsigned long ip, unsigned long parent_ip,
509 	update_traceon_count(ops, ip, tr, 1, data);
513 ftrace_traceoff_count(unsigned long ip, unsigned long parent_ip,
517 	update_traceon_count(ops, ip, tr, 0, data);
521 ftrace_traceon(unsigned long ip, unsigned long parent_ip,
532 ftrace_traceoff(unsigned long ip, unsigned long parent_ip,
574 ftrace_stacktrace(unsigned long ip, unsigned long parent_ip,
582 ftrace_stacktrace_count(unsigned long ip, unsigned long parent_ip,
600 	count = (long *)ftrace_func_mapper_find_ip(mapper, ip);
623 static int update_count(struct ftrace_probe_ops *ops, unsigned long ip,
630 		count = (long *)ftrace_func_mapper_find_ip(mapper, ip);
642 ftrace_dump_probe(unsigned long ip, unsigned long parent_ip,
646 	if (update_count(ops, ip, data))
652 ftrace_cpudump_probe(unsigned long ip, unsigned long parent_ip,
656 	if (update_count(ops, ip, data))
662 		   unsigned long ip, struct ftrace_probe_ops *ops,
668 	seq_printf(m, "%ps:%s", (void *)ip, name);
671 		count = (long *)ftrace_func_mapper_find_ip(mapper, ip);
682 ftrace_traceon_print(struct seq_file *m, unsigned long ip,
686 	return ftrace_probe_print("traceon", m, ip, ops, data);
690 ftrace_traceoff_print(struct seq_file *m, unsigned long ip,
693 	return ftrace_probe_print("traceoff", m, ip, ops, data);
697 ftrace_stacktrace_print(struct seq_file *m, unsigned long ip,
700 	return ftrace_probe_print("stacktrace", m, ip, ops, data);
704 ftrace_dump_print(struct seq_file *m, unsigned long ip,
707 	return ftrace_probe_print("dump", m, ip, ops, data);
711 ftrace_cpudump_print(struct seq_file *m, unsigned long ip,
714 	return ftrace_probe_print("cpudump", m, ip, ops, data);
720 		  unsigned long ip, void *init_data, void **data)
731 	return ftrace_func_mapper_add_ip(mapper, ip, init_data);
736 		  unsigned long ip, void *data)
740 	if (!ip) {
745 	ftrace_func_mapper_remove_ip(mapper, ip);