#include <sys/types.h>
#include <ltt/ltt.h>
#include <endian.h>
+#include <ltt/event.h>
+#include <ltt/marker.h>
+#include <ltt/trace.h>
#ifndef max
#define max(a,b) ((a)>(b)?(a):(b))
typedef guint32 uint32_t;
typedef guint64 uint64_t;
-/* Hardcoded facility load event : this plus an preceding "name" string */
-struct LttFacilityLoad {
- guint32 checksum;
- guint32 id;
- guint32 int_size;
- guint32 long_size;
- guint32 pointer_size;
- guint32 size_t_size;
- guint32 has_alignment;
-} LTT_PACKED_STRUCT;
-
-struct LttFacilityUnload {
- guint32 id;
-} LTT_PACKED_STRUCT;
-
-struct LttStateDumpFacilityLoad {
- guint32 checksum;
- guint32 id;
- guint32 int_size;
- guint32 long_size;
- guint32 pointer_size;
- guint32 size_t_size;
- guint32 has_alignment;
-} LTT_PACKED_STRUCT;
-
-/* Empty event */
-typedef struct _TimeHeartbeat {
-} LTT_PACKED_STRUCT TimeHeartbeat;
-
-typedef struct _TimeHeartbeatFull {
- guint64 tsc;
-} LTT_PACKED_STRUCT TimeHeartbeatFull;
-
struct ltt_event_header_hb {
uint32_t timestamp;
uint16_t event_id;
uint8_t minor_version;
uint8_t flight_recorder;
uint8_t has_heartbeat;
- uint8_t has_alignment; /* Event header alignment */
+ uint8_t alignment; /* Event header alignment */
uint32_t freq_scale;
} LTT_PACKED_STRUCT;
uint8_t minor_version;
uint8_t flight_recorder;
uint8_t has_heartbeat;
- uint8_t has_alignment; /* Event header alignment */
+ uint8_t alignment; /* Event header alignment */
uint8_t tsc_lsb_truncate;
uint8_t tscbits;
+ uint8_t compact_data_shift;
uint32_t freq_scale;
uint64_t start_freq;
uint64_t start_tsc;
} LTT_PACKED_STRUCT;
+#if 0
struct _LttType{
// LTTV does not care about type names. Everything is a field.
// GQuark type_name; //type name if it is a named type
char *separator;
char *footer;
};
+#endif //0
#if 0
struct _LttEventType{
};
#endif //0
-/* Structure LttEvent and LttEventPosition must begin with the _exact_ same
- * fields in the exact same order. LttEventPosition is a parent of LttEvent. */
-struct _LttEvent{
-
- /* Begin of LttEventPosition fields */
- LttTracefile *tracefile;
- unsigned int block;
- unsigned int offset;
-
- /* Timekeeping */
- uint64_t tsc; /* Current timestamp counter */
-
- /* End of LttEventPosition fields */
-
- guint32 timestamp; /* truncated timestamp */
-
- guint16 event_id;
-
- LttTime event_time;
-
- void * data; //event data
- 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
-};
-
-struct _LttEventPosition{
- LttTracefile *tracefile;
- unsigned int block;
- unsigned int offset;
-
- /* Timekeeping */
- uint64_t tsc; /* Current timestamp counter */
-};
-
-
enum field_status { FIELD_UNKNOWN, FIELD_VARIABLE, FIELD_FIXED };
+#if 0
struct _LttField{
GQuark name;
gchar *description;
// each event for sequences and arrays that
// contain variable length fields.
};
-
+#endif //0
#if 0
struct _LttFacility{
LttTrace *trace;
guint32 cyc2ns_scale;
} LttBuffer;
-struct _LttTracefile{
+struct LttTracefile {
gboolean cpu_online; //is the cpu online ?
GQuark long_name; //tracefile complete filename
GQuark name; //tracefile name
guint num_blocks; //number of blocks in the file
gboolean reverse_bo; //must we reverse byte order ?
gboolean float_word_order; //what is the byte order of floats ?
- size_t has_alignment; //alignment of events in the tracefile.
+ size_t alignment; //alignment of events in the tracefile.
// 0 or the architecture size in bytes.
guint8 has_heartbeat;
uint8_t tsc_lsb_truncate;
uint8_t tscbits;
uint8_t tsc_msb_cutoff;
+ uint8_t compact_event_bits;
uint64_t tsc_mask;
uint64_t tsc_mask_next_bit; //next MSB after the mask
//LttCycleCount pre_cycle_count; //previous cycle count of the event
};
-struct _LttTrace{
- GQuark pathname; //the pathname of the trace
- //LttSystemDescription * system_description;//system description
-
- GArray *facilities_by_num; /* fac_id as index in array */
- GData *facilities_by_name; /* fac name (GQuark) as index */
- /* Points to array of fac_id of all the
- * facilities that has this name. */
- guint num_cpu;
-
- guint32 arch_type;
- guint32 arch_variant;
- guint8 arch_size;
- guint8 ltt_major_version;
- guint8 ltt_minor_version;
- guint8 flight_recorder;
- guint32 freq_scale;
- uint64_t start_freq;
- uint64_t start_tsc;
- uint64_t start_monotonic;
- LttTime start_time;
- LttTime start_time_from_tsc;
- uint8_t compact_event_bits;
-
- GData *tracefiles; //tracefiles groups
- /* Support for markers */
- GArray *markers; //indexed by marker ID
- GHashTable *markers_hash; //indexed by name hash
-};
-
/* The characteristics of the system on which the trace was obtained
is described in a LttSystemDescription structure. */
-struct _LttSystemDescription {
+struct LttSystemDescription {
gchar *description;
gchar *node_name;
gchar *domain_name;
//#define EVENT_HEADER_SIZE (TIMESTAMP_SIZE + EVENT_ID_SIZE)
-off_t get_alignment(LttField *field);
+//off_t get_alignment(LttField *field);
/* Calculate the offset needed to align the type.
- * If has_alignment is 0, alignment is disactivated.
+ * If alignment is 0, alignment is disactivated.
* else, the function returns the offset needed to
- * align align_drift on the has_alignment value (should be
+ * align align_drift on the alignment value (should be
* the size of the architecture). */
static inline unsigned int ltt_align(size_t align_drift,
size_t size_of_type,
- size_t has_alignment)
+ size_t alignment)
{
- size_t alignment = min(has_alignment, size_of_type);
+ size_t align_offset = min(alignment, size_of_type);
- if(!has_alignment) return 0;
+ if(!alignment)
+ return 0;
g_assert(size_of_type != 0);
- return ((alignment - align_drift) & (alignment-1));
+ return ((align_offset - align_drift) & (align_offset-1));
}