+++ /dev/null
-/* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2003-2004 Xiangxiu Yang
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation;
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#ifndef LTT_PRIVATE_H
-#define LTT_PRIVATE_H
-
-#include <glib.h>
-#include <sys/types.h>
-#include <ltt/ltt.h>
-#include <endian.h>
-
-
-#ifndef max
-#define max(a,b) ((a)>(b)?(a):(b))
-#endif
-
-
-#define LTT_MAGIC_NUMBER 0x00D6B7ED
-#define LTT_REV_MAGIC_NUMBER 0xEDB7D600
-
-#define NSEC_PER_USEC 1000
-
-#define LTT_PACKED_STRUCT __attribute__ ((packed))
-
-/* Hardcoded facilities */
-#define LTT_FACILITY_CORE 0
-
-/* Byte ordering */
-#define LTT_GET_BO(t) ((t)->reverse_bo)
-
-#define LTT_HAS_FLOAT(t) ((t)->float_word_order!=0)
-#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,
- LTT_EVENT_FACILITY_UNLOAD,
- LTT_EVENT_HEARTBEAT,
- LTT_EVENT_STATE_DUMP_FACILITY_LOAD
-};
-
-
-#if 0
-/* enumeration definition */
-
-typedef enum _BuildinEvent{
- TRACE_FACILITY_LOAD = 0,
- TRACE_BLOCK_START = 17,
- TRACE_BLOCK_END = 18,
- TRACE_TIME_HEARTBEAT= 19
-} BuildinEvent;
-
-
-/* structure definition */
-
-typedef struct _FacilityLoad{
- gchar * name;
- LttChecksum checksum;
- guint32 base_code;
-} LTT_PACKED_STRUCT FacilityLoad;
-
-typedef struct _BlockStart {
- LttTime time; //Time stamp of this block
- LttCycleCount cycle_count; //cycle count of the event
- guint32 block_id; //block id
-} LTT_PACKED_STRUCT BlockStart;
-
-typedef struct _BlockEnd {
- LttTime time; //Time stamp of this block
- LttCycleCount cycle_count; //cycle count of the event
- guint32 block_id; //block id
-} LTT_PACKED_STRUCT BlockEnd;
-#endif //0
-
-
-typedef guint8 uint8_t;
-typedef guint16 uint16_t;
-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 long_size;
- guint32 pointer_size;
- guint32 size_t_size;
- guint32 alignment;
-} LTT_PACKED_STRUCT;
-
-struct LttFacilityUnload {
- guint32 id;
-} LTT_PACKED_STRUCT;
-
-struct LttStateDumpFacilityLoad {
- guint32 checksum;
- guint32 id;
- guint32 long_size;
- guint32 pointer_size;
- guint32 size_t_size;
- guint32 alignment;
-} LTT_PACKED_STRUCT;
-
-typedef struct _TimeHeartbeat {
- LttTime time; //Time stamp of this block
- uint64_t cycle_count; //cycle count of the event
-} LTT_PACKED_STRUCT TimeHeartbeat;
-
-struct ltt_event_header_hb {
- uint32_t timestamp;
- unsigned char facility_id;
- unsigned char event_id;
- uint16_t event_size;
-} LTT_PACKED_STRUCT;
-
-struct ltt_event_header_nohb {
- uint64_t timestamp;
- unsigned char facility_id;
- unsigned char event_id;
- uint16_t event_size;
-} LTT_PACKED_STRUCT;
-
-
-/* Block and trace headers */
-
-struct ltt_trace_header_any {
- 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;
-} LTT_PACKED_STRUCT;
-
-
-/* For version 0.3 */
-
-struct ltt_trace_header_0_3 {
- 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;
-} 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 */
- 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
- gchar * fmt;
- unsigned int size;
- LttTypeEnum type_class; //which type
- GQuark * enum_strings; //for enum labels
- struct _LttType ** element_type; //for array, sequence and struct
- unsigned element_number; //the number of elements
- //for enum, array, sequence and structure
-};
-
-struct _LttEventType{
- GQuark name;
- gchar * description;
- guint index; //id of the event type within the facility
- LttFacility * facility; //the facility that contains the event type
- LttField * root_field; //root field
-};
-
-/* 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 */
-
- union { /* choice by trace has_tsc */
- guint32 timestamp; /* truncated timestamp */
- LttTime delta;
- } time;
-
- unsigned char facility_id; /* facility ID are never reused. */
- unsigned char 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.
-
- 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 };
-
-struct _LttField{
- //guint field_pos; //field position within its parent
- LttType * field_type; //field type, if it is root field
- //then it must be struct type
-
- off_t offset_root; //offset from the root, -1:uninitialized
- enum field_status fixed_root; //offset fixed according to the root
- //-1:uninitialized, 0:unfixed, 1:fixed
- off_t offset_parent; //offset from the parent,-1:uninitialized
- enum field_status fixed_parent; //offset fixed according to its parent
- //-1:uninitialized, 0:unfixed, 1:fixed
- // void * base_address; //base address of the field ????
-
- guint field_size; // //>0: size of the field,
- // //0 : uncertain
- // //-1: uninitialize
- enum field_status fixed_size;
-
- /* for sequence */
- gint sequ_number_size; //the size of unsigned used to save the
- //number of elements in the sequence
-
- gint element_size; //the element size of the sequence
- //int field_fixed; //0: field has string or sequence
- //1: field has no string or sequenc
- //-1: uninitialize
-
- struct _LttField * parent;
- struct _LttField ** child; //for array, sequence, struct and union:
- //list of fields, it may have only one
- //field if the element is not a struct or
- //union
- unsigned current_element; //which element is currently processed
- // Used for sequences and arrays.
-};
-
-
-struct _LttFacility{
- LttTrace *trace;
- //gchar * name; //facility name
- GQuark name;
- guint32 checksum; //checksum of the facility
- guint32 id; //id of the facility
-
- guint32 pointer_size;
- guint32 long_size;
- guint32 size_t_size;
- guint32 alignment;
-
-
- //LttEventType ** events; //array of event types
- //unsigned int event_number; //number of events in the facility
- //LttType ** named_types;
- //unsigned int named_types_number;
-
- GArray *events;
- GData *events_by_name;
- // GArray *named_types;
- //GData *named_types_by_name;
- GData *named_types;
-
- unsigned char exists; /* 0 does not exist, 1 exists */
-};
-
-typedef struct _LttBuffer {
- void * head;
- unsigned int index;
-
- 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 */
- uint64_t freq; /* Frequency in khz */
- //double nsecs_per_cycle; /* Precalculated from freq */
- guint32 cyc2ns_scale;
-} LttBuffer;
-
-struct _LttTracefile{
- gboolean cpu_online; //is the cpu online ?
- GQuark long_name; //tracefile complete filename
- GQuark name; //tracefile name
- guint cpu_num; //cpu number of the tracefile
- LttTrace * trace; //trace containing the tracefile
- int fd; //file descriptor
- off_t file_size; //file size
- //unsigned block_size; //block_size
- unsigned int 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 buffer_header_size;
-
- /* Current event */
- LttEvent event; //Event currently accessible in the trace
-
- /* Current block */
- LttBuffer buffer; //current buffer
- guint32 buf_size; /* The size of blocks */
-
- /* Time flow */
- //unsigned int count; //the number of overflow of cycle count
- //double nsec_per_cycle; //Nsec per cycle
- //TimeHeartbeat * last_heartbeat; //last heartbeat
-
- //LttCycleCount cycles_per_nsec_reciprocal; // Optimisation for speed
- //void * last_event_pos;
-
- //LttTime prev_block_end_time; //the end time of previous block
- //LttTime prev_event_time; //the time of the previous event
- //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;
- 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
-};
-
-/* The characteristics of the system on which the trace was obtained
- is described in a LttSystemDescription structure. */
-
-struct _LttSystemDescription {
- gchar *description;
- gchar *node_name;
- gchar *domain_name;
- unsigned nb_cpu;
- LttArchSize size;
- LttArchEndian endian;
- gchar *kernel_name;
- gchar *kernel_release;
- gchar *kernel_version;
- gchar *machine;
- gchar *processor;
- gchar *hardware_platform;
- gchar *operating_system;
- LttTime trace_start;
- LttTime trace_end;
-};
-
-/*****************************************************************************
- macro for size of some data types
- *****************************************************************************/
-// alignment -> dynamic!
-
-//#define TIMESTAMP_SIZE sizeof(guint32)
-//#define EVENT_ID_SIZE sizeof(guint16)
-//#define EVENT_HEADER_SIZE (TIMESTAMP_SIZE + EVENT_ID_SIZE)
-
-
-#endif /* LTT_PRIVATE_H */
projects / lttv.git / blobdiff