+++ /dev/null
-/* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2003-2004 Xiangxiu Yang
- * 2006 Mathieu Desnoyers
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License Version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; 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>
-#include <ltt/event.h>
-#include <ltt/marker.h>
-#include <ltt/trace.h>
-
-#ifndef max
-#define max(a,b) ((a)>(b)?(a):(b))
-#endif
-
-#ifndef min
-#define min(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)
-
-#define SEQUENCE_AVG_ELEMENTS 1000
-
-/* Hardcoded core events */
-enum ltt_core_events {
- LTT_EVENT_FACILITY_LOAD,
- LTT_EVENT_FACILITY_UNLOAD,
- LTT_EVENT_HEARTBEAT,
- LTT_EVENT_HEARTBEAT_FULL,
- 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;
-
-struct ltt_event_header_hb {
- uint32_t timestamp;
- uint16_t event_id;
- uint16_t event_size;
-} LTT_PACKED_STRUCT;
-
-struct ltt_event_header_nohb {
- uint64_t timestamp;
- uint16_t 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 alignment; /* Event header alignment */
- uint32_t freq_scale;
-} LTT_PACKED_STRUCT;
-
-struct ltt_trace_header_1_0 {
- 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 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;
- uint64_t start_monotonic;
- uint64_t start_time_sec;
- uint64_t start_time_usec;
-} LTT_PACKED_STRUCT;
-
-
-struct ltt_block_start_header {
- struct {
- uint64_t cycle_count;
- uint64_t freq;
- } begin;
- struct {
- 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;
-
-
-#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
- gchar * fmt;
- 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 ?
- //part added by gaby for fmt:
- char *header;
- char *separator;
- char *footer;
-};
-#endif //0
-
-#if 0
-struct _LttEventType{
- GQuark name;
- gchar * description;
- guint index; //id of the event type within the facility
- struct marker_info *info;
- GArray * fields; //event's fields (LttField)
- GData *fields_by_name;
- int has_compact_data; //event header contains compact data (first field)
-};
-#endif //0
-
-enum field_status { FIELD_UNKNOWN, FIELD_VARIABLE, FIELD_FIXED };
-
-#if 0
-struct _LttField{
- GQuark name;
- gchar *description;
- LttType field_type; //field type
-
- off_t offset_root; //offset from the root
- enum field_status fixed_root; //offset fixed according to the root
-
- guint field_size; // size of the field
- // Only if field type size is set to 0
- // (it's variable), then the field_size should be
- // dynamically calculated while reading the trace
- // and put here. Otherwise, the field_size always
- // 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
- // each event for sequences and arrays that
- // contain variable length fields.
-};
-#endif //0
-#if 0
-struct _LttFacility{
- LttTrace *trace;
- GQuark name;
- guint32 checksum; //checksum of the facility
- guint32 id; //id of the facility
-
- guint32 int_size;
- guint32 long_size;
- guint32 pointer_size;
- guint32 size_t_size;
- guint32 alignment;
-
- GArray *events;
- GData *events_by_name;
- // not necessary in LTTV GData *named_types;
-
- unsigned char exists; /* 0 does not exist, 1 exists */
-};
-#endif //0
-
-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
- 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
- //unsigned block_size; //block_size
- 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 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;
- uint8_t compact_event_bits;
- 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
-
- /* 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
-};
-
-/* 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)
-
-
-//off_t get_alignment(LttField *field);
-
-/* Calculate the offset needed to align the type.
- * If alignment is 0, alignment is disactivated.
- * else, the function returns the offset needed to
- * 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 alignment)
-{
- size_t align_offset = min(alignment, size_of_type);
-
- if(!alignment)
- return 0;
-
- g_assert(size_of_type != 0);
- return ((align_offset - align_drift) & (align_offset-1));
-}
-
-
-#endif /* LTT_PRIVATE_H */
projects / lttv.git / blobdiff