#define LTT_GET_FLOAT_BO(t) \
(((t)->float_word_order==__BYTE_ORDER)?0:1)
-
/* Hardcoded core events */
enum ltt_core_events {
LTT_EVENT_FACILITY_LOAD,
uint8_t has_tsc;
} LTT_PACKED_STRUCT;
+/* For version 0.4 */
+
+struct ltt_trace_header_0_4 {
+ 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 has_tsc;
+ uint64_t start_freq;
+ uint64_t start_tsc;
+ uint64_t start_monotonic;
+ struct timespec start_time;
+} LTT_PACKED_STRUCT;
struct ltt_block_start_header {
struct {
struct timeval timestamp;
uint64_t cycle_count;
+ uint64_t freq;
} begin;
struct {
struct timeval timestamp;
uint64_t cycle_count;
+ uint64_t freq;
} end;
uint32_t lost_size; /* Size unused at the end of the buffer */
uint32_t buf_size; /* The size of this sub-buffer */
- char trace[0];
+ struct ltt_trace_header_any trace[0];
} LTT_PACKED_STRUCT;
-
-
-
-
struct _LttType{
GQuark type_name; //type name if it is a named type
GQuark element_name; //elements name of the struct
struct {
LttTime timestamp;
uint64_t cycle_count;
+ uint64_t freq; /* Frequency in khz */
} begin;
struct {
LttTime timestamp;
uint64_t cycle_count;
+ uint64_t freq; /* Frequency in khz */
} end;
uint32_t lost_size; /* Size unused at the end of the buffer */
/* Timekeeping */
uint64_t tsc; /* Current timestamp counter */
- double nsecs_per_cycle;
+ uint64_t freq; /* Frequency in khz */
+ //double nsecs_per_cycle; /* Precalculated from freq */
+ guint32 cyc2ns_scale;
} LttBuffer;
struct _LttTracefile{
gboolean reverse_bo; //must we reverse byte order ?
gboolean float_word_order; //what is the byte order of floats ?
+ size_t buffer_header_size;
+
/* Current event */
LttEvent event; //Event currently accessible in the trace
guint8 has_heartbeat;
guint8 has_alignment;
guint8 has_tsc;
+ uint64_t start_freq;
+ uint64_t start_tsc;
+ uint64_t start_monotonic;
+ LttTime start_time;
+ LttTime start_time_from_tsc;
GData *tracefiles; //tracefiles groups
};