kernel/trace/trace_events_synth.c

1630 			 struct synth_event_trace_state *trace_state)
1634 	memset(trace_state, '\0', sizeof(*trace_state));
1647 		trace_state->disabled = true;
1652 	trace_state->event = file->event_call->data;
1659 			  struct synth_event_trace_state *trace_state,
1665 	fields_size = trace_state->event->n_u64 * sizeof(u64);
1672 	trace_state->buffer = file->tr->array_buffer.buffer;
1673 	ring_buffer_nest_start(trace_state->buffer);
1675 	entry_size = sizeof(*trace_state->entry) + fields_size;
1676 	trace_state->entry = trace_event_buffer_reserve(&trace_state->fbuffer,
1679 	if (!trace_state->entry) {
1680 		ring_buffer_nest_end(trace_state->buffer);
1688 __synth_event_trace_end(struct synth_event_trace_state *trace_state)
1690 	trace_event_buffer_commit(&trace_state->fbuffer);
1692 	ring_buffer_nest_end(trace_state->buffer);
1895  * @trace_state: A pointer to object tracking the piecewise trace state
1905  * A pointer to a trace_state object is passed in, which will keep
1921 			    struct synth_event_trace_state *trace_state)
1925 	if (!trace_state)
1928 	ret = __synth_event_trace_init(file, trace_state);
1935 	if (trace_state->event->n_dynamic_fields)
1938 	ret = __synth_event_trace_start(file, trace_state, 0);
1945 				 struct synth_event_trace_state *trace_state)
1952 	if (!trace_state) {
1959 		if (trace_state->add_next) {
1963 		trace_state->add_name = true;
1965 		if (trace_state->add_name) {
1969 		trace_state->add_next = true;
1972 	if (trace_state->disabled)
1975 	event = trace_state->event;
1976 	if (trace_state->add_name) {
1987 		if (trace_state->cur_field >= event->n_fields) {
1991 		field = event->fields[trace_state->cur_field++];
1994 	entry = trace_state->entry;
2014 			trace_state->entry->fields[field->offset].as_u8 = (u8)val;
2018 			trace_state->entry->fields[field->offset].as_u16 = (u16)val;
2022 			trace_state->entry->fields[field->offset].as_u32 = (u32)val;
2026 			trace_state->entry->fields[field->offset].as_u64 = val;
2037  * @trace_state: A pointer to object tracking the piecewise trace state
2063 			     struct synth_event_trace_state *trace_state)
2065 	return __synth_event_add_val(NULL, val, trace_state);
2073  * @trace_state: A pointer to object tracking the piecewise trace state
2098 			struct synth_event_trace_state *trace_state)
2100 	return __synth_event_add_val(field_name, val, trace_state);
2106  * @trace_state: A pointer to object tracking the piecewise trace state
2114  * A pointer to a trace_state object is passed in, which will keep
2124 int synth_event_trace_end(struct synth_event_trace_state *trace_state)
2126 	if (!trace_state)
2129 	__synth_event_trace_end(trace_state);