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(ltt_event
*e
);
18 /* Facility and type for the event */
20 ltt_facility
*ltt_event_facility(ltt_event
*e
);
22 ltt_eventtype
*ltt_event_eventtype(ltt_event
*e
);
25 /* Root field for the event */
27 ltt_field
*ltt_event_field(ltt_event
*e
);
30 /* Time and cycle count for the event */
32 ltt_time
ltt_event_time(ltt_event
*e
);
34 ltt_cycle_count
ltt_event_cycle_count(ltt_event
*e
);
37 /* CPU id and system name of the event */
39 unsigned ltt_event_cpu_id(ltt_event
*e
);
41 char *ltt_event_system_name(ltt_event
*e
);
44 /* Pointer to the raw data for the event. This should not be used directly
45 unless prepared to do all the architecture specific conversions. */
47 void *ltt_event_data(ltt_event
*e
);
50 /* The number of elements in a sequence field is specific to each event.
51 This function returns the number of elements for an array or sequence
54 unsigned ltt_event_field_element_number(ltt_event
*e
, ltt_field
*f
);
57 /* Set the currently selected element for a sequence or array field. */
59 int ltt_event_field_element_select(ltt_event
*e
, ltt_field
*f
, unsigned i
);
62 /* These functions extract data from an event after architecture specific
65 unsigned ltt_event_get_unsigned(ltt_event
*e
, ltt_field
*f
);
67 int ltt_event_get_int(ltt_event
*e
, ltt_field
*f
);
69 unsigned long ltt_event_get_long_unsigned(ltt_event
*e
, ltt_field
*f
);
71 long int ltt_event_get_long_int(ltt_event
*e
, ltt_field
*f
);
73 float ltt_event_get_float(ltt_event
*e
, ltt_field
*f
);
75 double ltt_event_get_double(ltt_event
*e
, ltt_field
*f
);
78 /* The string obtained is only valid until the next read from
79 the same tracefile. */
81 char *ltt_event_get_string(ltt_event
*e
, ltt_field
*f
);
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