6 /* Events and their content, including the raw data, are only valid
7 until reading another event from the same tracefile.
8 Indeed, since event reading is critical to the performance,
9 the memory associated with an event may be reused at each read. */
12 /* Obtain the trace unique integer id associated with the type of
15 unsigned ltt_event_eventtype_id(LttEvent
*e
);
18 /* Facility and type for the event */
20 LttFacility
*ltt_event_facility(LttEvent
*e
);
22 LttEventType
*ltt_event_eventtype(LttEvent
*e
);
25 /* Root field for the event */
27 LttField
*ltt_event_field(LttEvent
*e
);
30 /* Time and cycle count for the event */
32 LttTime
ltt_event_time(LttEvent
*e
);
34 LttCycleCount
ltt_event_cycle_count(LttEvent
*e
);
37 /* CPU id of the event */
39 unsigned ltt_event_cpu_id(LttEvent
*e
);
42 /* Pointer to the raw data for the event. This should not be used directly
43 unless prepared to do all the architecture specific conversions. */
45 void *ltt_event_data(LttEvent
*e
);
48 /* The number of elements in a sequence field is specific to each event
49 instance. This function returns the number of elements for an array or
50 sequence field in an event. */
52 unsigned ltt_event_field_element_number(LttEvent
*e
, LttField
*f
);
55 /* Set the currently selected element for a sequence or array field. */
57 void ltt_event_field_element_select(LttEvent
*e
, LttField
*f
, unsigned i
);
60 /* A union is like a structure except that only a single member at a time
61 is present depending on the specific event instance. This function tells
62 the active member for a union field in an event. */
64 unsigned ltt_event_field_union_member(LttEvent
*e
, LttField
*f
);
67 /* These functions extract data from an event after architecture specific
70 unsigned ltt_event_get_unsigned(LttEvent
*e
, LttField
*f
);
72 int ltt_event_get_int(LttEvent
*e
, LttField
*f
);
74 unsigned long ltt_event_get_long_unsigned(LttEvent
*e
, LttField
*f
);
76 long int ltt_event_get_long_int(LttEvent
*e
, LttField
*f
);
78 float ltt_event_get_float(LttEvent
*e
, LttField
*f
);
80 double ltt_event_get_double(LttEvent
*e
, LttField
*f
);
83 /* The string obtained is only valid until the next read from
84 the same tracefile. */
86 char *ltt_event_get_string(LttEvent
*e
, LttField
*f
);
This page took 0.030237 seconds and 4 git commands to generate.