| 975e44c7 |
1 | |
| 2 | /* Events and their content, including the raw data, are only valid |
| 3 | until reading another event from the same tracefile. |
| 4 | Indeed, since event reading is critical to the performance, |
| 5 | the memory associated with an event may be reused at each read. */ |
| 6 | |
| 7 | |
| 8 | /* Obtain the tracefile unique integer id associated with the type of |
| 9 | this event */ |
| 10 | |
| 11 | unsigned ltt_event_eventtype_id(ltt_event *e); |
| 12 | |
| 13 | |
| 14 | /* Facility and type for the event */ |
| 15 | |
| 16 | ltt_facility *ltt_event_facility(ltt_event *e); |
| 17 | |
| 18 | ltt_eventtype *ltt_event_eventtype(ltt_event *e); |
| 19 | |
| 20 | ltt_field *ltt_event_field(ltt_event *e); |
| 21 | |
| 22 | /* Time and cycle count for the event */ |
| 23 | |
| 24 | ltt_time ltt_event_time(ltt_event *e); |
| 25 | |
| 26 | ltt_cycle_count ltt_event_cycle_count(ltt_event *e); |
| 27 | |
| 28 | |
| 29 | /* CPU id and system name of the event */ |
| 30 | |
| 31 | unsigned ltt_event_cpu_id(ltt_event *e); |
| 32 | |
| 33 | char *ltt_event_system_name(ltt_event *e); |
| 34 | |
| 35 | |
| 36 | /* Pointer to the raw data for the event. This should not be used directly |
| 37 | unless prepared to do all the architecture specific conversions. */ |
| 38 | |
| 39 | void *ltt_event_data(ltt_event *e); |
| 40 | |
| 41 | |
| 42 | /* The number of elements in a sequence field is specific to each event. |
| 43 | This function returns the number of elements for an array or sequence |
| 44 | field in an event. */ |
| 45 | |
| 46 | unsigned ltt_event_field_element_number(ltt_event *e, ltt_field *f); |
| 47 | |
| 48 | |
| 49 | /* Set the currently selected element for a sequence or array field. */ |
| 50 | |
| 51 | int ltt_event_field_element_select(ltt_event *e, ltt_field *f, unsigned i); |
| 52 | |
| 53 | |
| 54 | /* These functions extract data from an event after architecture specific |
| 55 | conversions. */ |
| 56 | |
| 57 | unsigned ltt_event_get_unsigned(ltt_event *e, ltt_field *f); |
| 58 | |
| 59 | int ltt_event_get_int(ltt_event *e, ltt_field *f); |
| 60 | |
| 61 | unsigned long ltt_event_get_long_unsigned(ltt_event *e, ltt_field *f); |
| 62 | |
| 63 | long int ltt_event_get_long_int(ltt_event *e, ltt_field *f); |
| 64 | |
| 65 | float ltt_event_get_float(ltt_event *e, ltt_field *f); |
| 66 | |
| 67 | double ltt_event_get_double(ltt_event *e, ltt_field *f); |
| 68 | |
| 69 | |
| 70 | /* The string obtained is only valid until the next read from |
| 71 | the same tracefile. */ |
| 72 | |
| 73 | char *ltt_event_get_string(ltt_event *e, ltt_field *f); |
projects / lttv.git / blame