X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fltt-private.h;h=5ffca29b3f66b3bf12daa8968b2687f5dc2196bd;hb=c88ddec5a160400eaa2f7ee1c255d1bd1c62ffa5;hp=eceadc437c36f12879912ccb0fb109c889839add;hpb=ae3d0f50f89e7b965795a9b9ad7e1f533f760598;p=lttv.git diff --git a/ltt/branches/poly/ltt/ltt-private.h b/ltt/branches/poly/ltt/ltt-private.h index eceadc43..5ffca29b 100644 --- a/ltt/branches/poly/ltt/ltt-private.h +++ b/ltt/branches/poly/ltt/ltt-private.h @@ -106,11 +106,11 @@ typedef guint64 uint64_t; struct LttFacilityLoad { guint32 checksum; guint32 id; - guint32 int_size; + guint32 int_size; guint32 long_size; guint32 pointer_size; guint32 size_t_size; - guint32 has_alignment; + guint32 has_alignment; } LTT_PACKED_STRUCT; struct LttFacilityUnload { @@ -120,11 +120,11 @@ struct LttFacilityUnload { struct LttStateDumpFacilityLoad { guint32 checksum; guint32 id; - guint32 int_size; + guint32 int_size; guint32 long_size; guint32 pointer_size; guint32 size_t_size; - guint32 has_alignment; + guint32 has_alignment; } LTT_PACKED_STRUCT; /* Empty event */ @@ -159,7 +159,7 @@ struct ltt_trace_header_any { uint8_t flight_recorder; uint8_t has_heartbeat; uint8_t has_alignment; /* Event header alignment */ - uint32_t freq_scale; + uint32_t freq_scale; } LTT_PACKED_STRUCT; @@ -176,7 +176,7 @@ struct ltt_trace_header_0_3 { uint8_t flight_recorder; uint8_t has_heartbeat; uint8_t has_alignment; /* Event header alignment */ - uint32_t freq_scale; + uint32_t freq_scale; } LTT_PACKED_STRUCT; /* For version 0.7 */ @@ -225,7 +225,7 @@ struct _LttType{ GHashTable *enum_map; //maps enum labels to numbers. GArray *fields; // Array of LttFields, for array, sequence, union, struct. GData *fields_by_name; - guint network; // Is the type in network byte order ? + guint network; // Is the type in network byte order ? }; struct _LttEventType{ @@ -251,9 +251,9 @@ struct _LttEvent{ /* End of LttEventPosition fields */ - guint32 timestamp; /* truncated timestamp */ + guint32 timestamp; /* truncated timestamp */ - unsigned char facility_id; /* facility ID are never reused. */ + unsigned char facility_id; /* facility ID are never reused. */ unsigned char event_id; LttTime event_time; @@ -347,9 +347,9 @@ struct _LttTracefile{ GQuark long_name; //tracefile complete filename GQuark name; //tracefile name guint cpu_num; //cpu number of the tracefile - guint tid; //Usertrace tid, else 0 - guint pgid; //Usertrace pgid, else 0 - guint64 creation; //Usertrace creation, else 0 + guint tid; //Usertrace tid, else 0 + guint pgid; //Usertrace pgid, else 0 + guint64 creation; //Usertrace creation, else 0 LttTrace * trace; //trace containing the tracefile int fd; //file descriptor off_t file_size; //file size @@ -357,19 +357,19 @@ struct _LttTracefile{ 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. - // 0 or the architecture size in bytes. + size_t has_alignment; //alignment of events in the tracefile. + // 0 or the architecture size in bytes. size_t buffer_header_size; - /* Current event */ + /* Current event */ LttEvent event; //Event currently accessible in the trace - /* Current block */ + /* Current block */ LttBuffer buffer; //current buffer guint32 buf_size; /* The size of blocks */ - /* Time flow */ + /* Time flow */ //unsigned int count; //the number of overflow of cycle count //double nsec_per_cycle; //Nsec per cycle //TimeHeartbeat * last_heartbeat; //last heartbeat @@ -399,7 +399,7 @@ struct _LttTrace{ guint8 ltt_minor_version; guint8 flight_recorder; guint8 has_heartbeat; - guint32 freq_scale; + guint32 freq_scale; uint64_t start_freq; uint64_t start_tsc; uint64_t start_monotonic; @@ -440,20 +440,23 @@ struct _LttSystemDescription { //#define EVENT_HEADER_SIZE (TIMESTAMP_SIZE + EVENT_ID_SIZE) +off_t get_alignment(LttField *field); + /* Calculate the offset needed to align the type. * If has_alignment is 0, alignment is disactivated. * else, the function returns the offset needed to * align align_drift on the has_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 size_of_type, + size_t has_alignment) { - size_t alignment = min(has_alignment, size_of_type); - - if(!has_alignment) return 0; - - return ((alignment - align_drift) & (alignment-1)); + size_t alignment = min(has_alignment, size_of_type); + + if(!has_alignment) return 0; + + g_assert(size_of_type != 0); + return ((alignment - align_drift) & (alignment-1)); }