803 static void hist_err(struct trace_array *tr, u8 err_type, u16 err_pos)  in hist_err()  argument
808 	tracing_log_err(tr, last_cmd_loc, last_cmd, err_text,  in hist_err()
869 	struct trace_array *tr = hist_data->event_file->tr;  in hist_field_timestamp()  local
873 	if (hist_data->attrs->ts_in_usecs && trace_clock_in_ns(tr))  in hist_field_timestamp()
969 	struct trace_array *tr = hist_data->event_file->tr;  in find_any_var_ref()  local
973 	list_for_each_entry(var_data, &tr->hist_vars, list) {  in find_any_var_ref()
1018 	struct trace_array *tr = hist_data->event_file->tr;  in find_hist_vars()  local
1021 	list_for_each_entry(var_data, &tr->hist_vars, list) {  in find_hist_vars()
1073 	struct trace_array *tr = hist_data->event_file->tr;  in save_hist_vars()  local
1080 	if (tracing_check_open_get_tr(tr))  in save_hist_vars()
1085 		trace_array_put(tr);  in save_hist_vars()
1090 	list_add(&var_data->list, &tr->hist_vars);  in save_hist_vars()
1097 	struct trace_array *tr = hist_data->event_file->tr;  in remove_hist_vars()  local
1111 	trace_array_put(tr);  in remove_hist_vars()
1158 static struct trace_event_file *find_var_file(struct trace_array *tr,  in find_var_file()  argument
1168 		return find_event_file(tr, system, event_name);  in find_var_file()
1170 	list_for_each_entry(var_data, &tr->hist_vars, list) {  in find_var_file()
1178 				hist_err(tr, HIST_ERR_VAR_NOT_UNIQUE, errpos(var_name));  in find_var_file()
1213 	struct trace_array *tr = hist_data->event_file->tr;  in find_match_var()  local
1225 			file = find_var_file(tr, system, event_name, var_name);  in find_match_var()
1231 					hist_err(tr, HIST_ERR_VAR_NOT_UNIQUE,  in find_match_var()
1248 	struct trace_array *tr = hist_data->event_file->tr;  in find_event_var()  local
1260 	file = find_var_file(tr, system, event_name, var_name);  in find_event_var()
1469 static int parse_assignment(struct trace_array *tr,  in parse_assignment()  argument
1522 			hist_err(tr, HIST_ERR_TOO_MANY_VARS, errpos(str));  in parse_assignment()
1540 parse_hist_trigger_attrs(struct trace_array *tr, char *trigger_str)  in parse_hist_trigger_attrs()  argument
1557 				hist_err(tr, HIST_ERR_EMPTY_ASSIGNMENT, errpos(str));  in parse_hist_trigger_attrs()
1560 			ret = parse_assignment(tr, str, attrs);  in parse_hist_trigger_attrs()
2292 	struct trace_array *tr = hist_data->event_file->tr;  in parse_var_ref()  local
2305 		hist_err(tr, HIST_ERR_VAR_NOT_FOUND, errpos(var_name));  in parse_var_ref()
2316 	struct trace_array *tr = file->tr;  in parse_field()  local
2369 			hist_err(tr, HIST_ERR_BAD_FIELD_MODIFIER, errpos(modifier));  in parse_field()
2405 				hist_err(tr, HIST_ERR_FIELD_NOT_FOUND,  in parse_field()
2446 	struct trace_array *tr = hist_data->event_file->tr;  in parse_const()  local
2451 		hist_err(tr, HIST_ERR_EXPECT_NUMBER, errpos(str));  in parse_const()
2558 		hist_err(file->tr, HIST_ERR_TOO_MANY_SUBEXPR, errpos(str));  in parse_unary()
2577 			hist_err(file->tr, HIST_ERR_UNARY_MINUS_SUBEXPR,  in parse_unary()
2604 		hist_err(file->tr, HIST_ERR_INVALID_STR_OPERAND, errpos(str));  in parse_unary()
2634 static int check_expr_operands(struct trace_array *tr,  in check_expr_operands()  argument
2667 		hist_err(tr, HIST_ERR_TIMESTAMP_MISMATCH, 0);  in check_expr_operands()
2688 		hist_err(file->tr, HIST_ERR_TOO_MANY_SUBEXPR, errpos(str));  in parse_expr()
2723 		hist_err(file->tr, HIST_ERR_INVALID_STR_OPERAND, errpos(operand1_str));  in parse_expr()
2736 		hist_err(file->tr, HIST_ERR_INVALID_STR_OPERAND, errpos(str));  in parse_expr()
2759 	ret = check_expr_operands(file->tr, operand1, operand2, &var1, &var2);  in parse_expr()
2795 			hist_err(file->tr, HIST_ERR_DIVISION_BY_ZERO, errpos(str));  in parse_expr()
2933 static struct trace_event_file *event_file(struct trace_array *tr,  in event_file()  argument
2938 	file = __find_event_file(tr, system, event_name);  in event_file()
2995 	struct trace_array *tr = target_hist_data->event_file->tr;  in create_field_var_hist()  local
3007 		hist_err(tr, HIST_ERR_TOO_MANY_FIELD_VARS, errpos(field_name));  in create_field_var_hist()
3011 	file = event_file(tr, subsys_name, event_name);  in create_field_var_hist()
3014 		hist_err(tr, HIST_ERR_EVENT_FILE_NOT_FOUND, errpos(field_name));  in create_field_var_hist()
3027 		hist_err(tr, HIST_ERR_HIST_NOT_FOUND, errpos(field_name));  in create_field_var_hist()
3088 		hist_err(tr, HIST_ERR_HIST_CREATE_FAIL, errpos(field_name));  in create_field_var_hist()
3100 		hist_err(tr, HIST_ERR_SYNTH_VAR_NOT_FOUND, errpos(field_name));  in create_field_var_hist()
3255 	struct trace_array *tr = file->tr;  in create_field_var()  local
3260 		hist_err(tr, HIST_ERR_TOO_MANY_FIELD_VARS, errpos(field_name));  in create_field_var()
3267 		hist_err(tr, HIST_ERR_FIELD_VAR_PARSE_FAIL, errpos(field_name));  in create_field_var()
3274 		hist_err(tr, HIST_ERR_VAR_CREATE_FIND_FAIL, errpos(field_name));  in create_field_var()
3405 static bool cond_snapshot_update(struct trace_array *tr, void *cond_data)  in cond_snapshot_update()  argument
3408 	struct track_data *track_data = tr->cond_snapshot->cond_data;  in cond_snapshot_update()
3451 	tracing_snapshot_cond(file->tr, &context);  in save_track_data_snapshot()
3483 	track_data = tracing_cond_snapshot_data(file->tr);  in track_data_snapshot_print()
3504 static bool cond_snapshot_update(struct trace_array *tr, void *cond_data)  in cond_snapshot_update()  argument
3595 		track_data = tracing_cond_snapshot_data(file->tr);  in track_data_destroy()
3597 			tracing_snapshot_cond_disable(file->tr);  in track_data_destroy()
3615 	struct trace_array *tr = file->tr;  in track_data_create()  local
3621 		hist_err(tr, HIST_ERR_ONX_NOT_VAR, errpos(track_data_var_str));  in track_data_create()
3628 		hist_err(tr, HIST_ERR_ONX_VAR_NOT_FOUND, errpos(track_data_var_str));  in track_data_create()
3641 		hist_err(tr, HIST_ERR_ONX_VAR_CREATE_FAIL, 0);  in track_data_create()
3649 		hist_err(tr, HIST_ERR_ONX_VAR_CREATE_FAIL, 0);  in track_data_create()
3660 static int parse_action_params(struct trace_array *tr, char *params,  in parse_action_params()  argument
3669 			hist_err(tr, HIST_ERR_TOO_MANY_PARAMS, 0);  in parse_action_params()
3676 			hist_err(tr, HIST_ERR_PARAM_NOT_FOUND, 0);  in parse_action_params()
3683 			hist_err(tr, HIST_ERR_INVALID_PARAM, errpos(param));  in parse_action_params()
3707 static int action_parse(struct trace_array *tr, char *str, struct action_data *data,  in action_parse()  argument
3715 		hist_err(tr, HIST_ERR_ACTION_NOT_FOUND, 0);  in action_parse()
3722 		hist_err(tr, HIST_ERR_ACTION_NOT_FOUND, 0);  in action_parse()
3731 			hist_err(tr, HIST_ERR_NO_SAVE_PARAMS, 0);  in action_parse()
3736 		ret = parse_action_params(tr, params, data);  in action_parse()
3745 			hist_err(tr, HIST_ERR_ACTION_MISMATCH, errpos(action_name));  in action_parse()
3757 			hist_err(tr, HIST_ERR_NO_CLOSING_PAREN, errpos(params));  in action_parse()
3767 			hist_err(tr, HIST_ERR_ACTION_MISMATCH, errpos(action_name));  in action_parse()
3782 			ret = parse_action_params(tr, params, data);  in action_parse()
3835 	ret = action_parse(hist_data->event_file->tr, str, data, handler);  in track_data_parse()
3924 	struct trace_array *tr = hist_data->event_file->tr;  in trace_action_find_var()  local
3940 		hist_err(tr, HIST_ERR_PARAM_NOT_FOUND, errpos(var));  in trace_action_find_var()
4000 	struct trace_array *tr = hist_data->event_file->tr;  in trace_action_create()  local
4022 		hist_err(tr, HIST_ERR_SYNTH_EVENT_NOT_FOUND, errpos(synth_event_name));  in trace_action_create()
4090 		hist_err(tr, HIST_ERR_SYNTH_TYPE_MISMATCH, errpos(param));  in trace_action_create()
4097 		hist_err(tr, HIST_ERR_SYNTH_COUNT_MISMATCH, errpos(event->name));  in trace_action_create()
4115 	struct trace_array *tr = file->tr;  in action_create()  local
4132 		ret = tracing_snapshot_cond_enable(file->tr, track_data,  in action_create()
4143 			hist_err(tr, HIST_ERR_TOO_MANY_SAVE_ACTIONS, 0);  in action_create()
4156 				hist_err(tr, HIST_ERR_FIELD_VAR_CREATE_FAIL,  in action_create()
4180 static struct action_data *onmatch_parse(struct trace_array *tr, char *str)  in onmatch_parse()  argument
4192 		hist_err(tr, HIST_ERR_NO_CLOSING_PAREN, errpos(match_event));  in onmatch_parse()
4198 		hist_err(tr, HIST_ERR_SUBSYS_NOT_FOUND, errpos(match_event_system));  in onmatch_parse()
4202 	if (IS_ERR(event_file(tr, match_event_system, match_event))) {  in onmatch_parse()
4203 		hist_err(tr, HIST_ERR_INVALID_SUBSYS_EVENT, errpos(match_event));  in onmatch_parse()
4219 	ret = action_parse(tr, str, data, HANDLER_ONMATCH);  in onmatch_parse()
4286 	hist_err(file->tr, HIST_ERR_BAD_FIELD_MODIFIER, errpos(field_str));  in __create_val_field()
4426 	struct trace_array *tr = hist_data->event_file->tr;  in create_var_field()  local
4434 		hist_err(tr, HIST_ERR_DUPLICATE_VAR, errpos(var_name));  in create_var_field()
4491 		hist_err(hist_data->event_file->tr, HIST_ERR_NEED_NOHC_VAL, 0);  in create_val_fields()
4504 	struct trace_array *tr = hist_data->event_file->tr;  in create_key_field()  local
4528 			hist_err(tr, HIST_ERR_INVALID_REF_KEY, errpos(field_str));  in create_key_field()
4625 	struct trace_array *tr = hist_data->event_file->tr;  in parse_var_defs()  local
4639 				hist_err(tr, HIST_ERR_MALFORMED_ASSIGNMENT,  in parse_var_defs()
4646 				hist_err(tr, HIST_ERR_TOO_MANY_VARS, errpos(var_name));  in parse_var_defs()
4703 static int is_descending(struct trace_array *tr, const char *str)  in is_descending()  argument
4714 	hist_err(tr, HIST_ERR_INVALID_SORT_MODIFIER, errpos((char *)str));  in is_descending()
4721 	struct trace_array *tr = hist_data->event_file->tr;  in create_sort_keys()  local
4745 			hist_err(tr, HIST_ERR_EMPTY_SORT_FIELD, errpos("sort="));  in create_sort_keys()
4750 			hist_err(tr, HIST_ERR_TOO_MANY_SORT_FIELDS, errpos("sort="));  in create_sort_keys()
4758 			hist_err(tr, HIST_ERR_EMPTY_SORT_FIELD, errpos("sort="));  in create_sort_keys()
4763 			descending = is_descending(tr, field_str);  in create_sort_keys()
4785 				descending = is_descending(tr, field_str);  in create_sort_keys()
4796 			hist_err(tr, HIST_ERR_INVALID_SORT_FIELD, errpos(field_name));  in create_sort_keys()
4825 	struct trace_array *tr = hist_data->event_file->tr;  in parse_actions()  local
4849 			data = onmatch_parse(tr, action_str);  in parse_actions()
6518 	struct trace_array *tr = file->tr;  in hist_register_trigger()  local
6526 				hist_err(tr, HIST_ERR_NAMED_MISMATCH, errpos(hist_data->attrs->name));  in hist_register_trigger()
6541 				hist_err(tr, HIST_ERR_TRIGGER_EEXIST, 0);  in hist_register_trigger()
6549 		hist_err(tr, HIST_ERR_TRIGGER_ENOENT_CLEAR, 0);  in hist_register_trigger()
6583 		ret = tracing_set_clock(file->tr, hist_data->attrs->clock);  in hist_register_trigger()
6585 			hist_err(tr, HIST_ERR_SET_CLOCK_FAIL, errpos(clock));  in hist_register_trigger()
6589 		tracing_set_filter_buffering(file->tr, true);  in hist_register_trigger()
6694 			tracing_set_filter_buffering(file->tr, false);  in hist_unregister_trigger()
6741 				tracing_set_filter_buffering(file->tr, false);  in hist_unreg_all()
6820 	attrs = parse_hist_trigger_attrs(file->tr, param);  in event_hist_trigger_parse()