+/* 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
char * type_name; //type name if it is a named type
char * element_name; //elements name of the struct
char * fmt;
- int size;
+ unsigned int size;
LttTypeEnum type_class; //which type
char ** enum_strings; //for enum labels
struct _LttType ** element_type; //for array, sequence and struct
int index; //id of the event type within the facility
LttFacility * facility; //the facility that contains the event type
LttField * root_field; //root field
- int latest_block; //the latest block using the event type
- int latest_event; //the latest event using the event type
+ unsigned int latest_block; //the latest block using the event type
+ unsigned int latest_event; //the latest event using the event type
+};
+
+struct _LttEvent{
+ guint16 event_id;
+ guint32 time_delta;
+ LttTime event_time;
+ LttCycleCount event_cycle_count;
+ LttTracefile * tracefile;
+ void * data; //event data
+ unsigned int which_block; //the current block of the event
+ unsigned int which_event; //the position of the event
+ /* This is a workaround for fast position seek */
+ 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
+ int count; //the number of overflow of cycle count
+ gint64 overflow_nsec; //precalculated nsec for overflows
+ /* end of workaround */
};
+
struct _LttField{
unsigned field_pos; //field position within its parent
LttType * field_type; //field type, if it is root field
unsigned current_element; //which element is currently processed
};
-struct _LttEvent{
- guint16 event_id;
- guint32 time_delta;
- LttTime event_time;
- LttCycleCount event_cycle_count;
- LttTracefile * tracefile;
- void * data; //event data
- int which_block; //the current block of the event
- int which_event; //the position of the event
-};
struct _LttFacility{
char * name; //facility name
- int event_number; //number of events in the facility
+ unsigned int event_number; //number of events in the facility
LttChecksum checksum; //checksum of the facility
guint32 base_id; //base id of the facility
LttEventType ** events; //array of event types
LttType ** named_types;
- int named_types_number;
+ unsigned int named_types_number;
};
struct _LttTracefile{
int fd; //file descriptor
off_t file_size; //file size
unsigned block_size; //block_size
- int block_number; //number of blocks in the file
- int which_block; //which block the current block is
- int which_event; //which event of the current block
+ unsigned int block_number; //number of blocks in the file
+ unsigned int which_block; //which block the current block is
+ unsigned int which_event; //which event of the current block
//is currently processed
LttTime current_event_time; //time of the current event
BlockStart * a_block_start; //block start of the block
BlockEnd * a_block_end; //block end of the block
void * cur_event_pos; //the position of the current event
void * buffer; //the buffer containing the block
- double cycle_per_nsec; //Cycles per nsec
+ double nsec_per_cycle; //Nsec per cycle
+ guint64 one_overflow_nsec; //nsec for one overflow
+ gint64 overflow_nsec; //precalculated nsec for overflows
+ //can be negative to include value
+ //of block start cycle count.
+ //incremented at each overflow while
+ //reading.
+ //LttCycleCount cycles_per_nsec_reciprocal; // Optimisation for speed
unsigned cur_heart_beat_number; //current number of heart beat in the buf
LttCycleCount cur_cycle_count; //current cycle count of the event
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
- LttEvent an_event;
LttCycleCount pre_cycle_count; //previous cycle count of the event
- int count; //the number of overflow of cycle count
+ unsigned int count; //the number of overflow of cycle count
};
struct _LttTrace{
LttTracefile *tf; //tracefile containing the event
gboolean old_position; //flag to show if it is the position
//being remembered
+ /* This is a workaround for fast position seek */
+ 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
+ int count; //the number of overflow of cycle count
+ gint64 overflow_nsec; //precalculated nsec for overflows
+ /* end of workaround */
};
/* The characteristics of the system on which the trace was obtained
projects / lttv.git / blobdiff