LTT_EVENT_FACILITY_LOAD,
LTT_EVENT_FACILITY_UNLOAD,
LTT_EVENT_HEARTBEAT,
+ LTT_EVENT_HEARTBEAT_FULL,
LTT_EVENT_STATE_DUMP_FACILITY_LOAD
};
typedef struct _TimeHeartbeat {
} LTT_PACKED_STRUCT TimeHeartbeat;
+typedef struct _TimeHeartbeatFull {
+ guint64 tsc;
+} LTT_PACKED_STRUCT TimeHeartbeatFull;
+
struct ltt_event_header_hb {
uint32_t timestamp;
unsigned char facility_id;
uint64_t start_time_usec;
} LTT_PACKED_STRUCT;
+/* For version 0.8 */
+
+struct ltt_trace_header_0_8 {
+ uint32_t magic_number;
+ uint32_t arch_type;
+ uint32_t arch_variant;
+ uint32_t float_word_order;
+ uint8_t arch_size;
+ uint8_t major_version;
+ uint8_t minor_version;
+ uint8_t flight_recorder;
+ uint8_t has_heartbeat;
+ uint8_t has_alignment; /* Event header alignment */
+ uint8_t tsc_lsb_truncate;
+ uint8_t tscbits;
+ uint32_t freq_scale;
+ uint64_t start_freq;
+ uint64_t start_tsc;
+ uint64_t start_monotonic;
+ uint64_t start_time_sec;
+ uint64_t start_time_usec;
+} LTT_PACKED_STRUCT;
+
struct ltt_block_start_header {
struct {
guint size;
LttTypeEnum type_class; //which type
GHashTable *enum_map; //maps enum labels to numbers.
+ gint32 highest_value; //For enum
+ gint32 lowest_value; //For enum
GArray *fields; // Array of LttFields, for array, sequence, union, struct.
GData *fields_by_name;
guint network; // Is the type in network byte order ?
LttFacility * facility; //the facility that contains the event type
GArray * fields; //event's fields (LttField)
GData *fields_by_name;
+ int has_compact_data; //event header contains compact data (first field)
};
/* Structure LttEvent and LttEventPosition must begin with the _exact_ same
guint data_size;
guint event_size; //event_size field of the header :
//used to verify data_size from facility.
+ uint32_t compact_data;
int count; //the number of overflow of cycle count
gint64 overflow_nsec; //precalculated nsec for overflows
// (it's variable), then the field_size should be
// dynamically calculated while reading the trace
// and put here. Otherwise, the field_size always
- // equels the type size.
+ // equals the type size.
off_t array_offset; // offset of the beginning of the array (for array
// and sequences)
GArray * dynamic_offsets; // array of offsets calculated dynamically at
size_t has_alignment; //alignment of events in the tracefile.
// 0 or the architecture size in bytes.
+ guint8 has_heartbeat;
size_t buffer_header_size;
+ int compact; //compact tracefile ?
+ uint8_t tsc_lsb_truncate;
+ uint8_t tscbits;
+ uint8_t tsc_msb_cutoff;
+ uint64_t tsc_mask;
+ uint64_t tsc_mask_next_bit; //next MSB after the mask
/* Current event */
LttEvent event; //Event currently accessible in the trace
guint8 ltt_major_version;
guint8 ltt_minor_version;
guint8 flight_recorder;
- guint8 has_heartbeat;
guint32 freq_scale;
uint64_t start_freq;
uint64_t start_tsc;
uint64_t start_monotonic;
LttTime start_time;
LttTime start_time_from_tsc;
+ GArray *compact_facilities;
+ uint8_t compact_event_bits;
GData *tracefiles; //tracefiles groups
};