+++ /dev/null
-/* This file is part of the Linux Trace Toolkit trace reading library
- * Copyright (C) 2003-2004 Michel Dagenais
- * 2005 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 TRACE_H
-#define TRACE_H
-
-#include <ltt/ltt.h>
-#include <stdint.h>
-#include <glib.h>
-
-struct LttTrace {
- GQuark pathname; //the pathname of the trace
- //LttSystemDescription * system_description;//system description
-
- 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;
-
- GData *tracefiles; //tracefiles groups
- /* Support for markers */
- GArray *markers; //indexed by marker ID
- GHashTable *markers_hash; //indexed by name hash
-};
-
-
-
-extern GQuark LTT_FACILITY_NAME_HEARTBEAT,
- LTT_EVENT_NAME_HEARTBEAT,
- LTT_EVENT_NAME_HEARTBEAT_FULL;
-
-/* A trace is specified as a pathname to the directory containing all the
- associated data (control tracefiles, per cpu tracefiles, event
- descriptions...).
-
- When a trace is closed, all the associated facilities, types and fields
- are released as well.
-
- return value is NULL if there is an error when opening the trace.
-
- */
-
-LttTrace *ltt_trace_open(const gchar *pathname);
-
-/* copy reopens a trace
- *
- * return value NULL if error while opening the trace
- */
-LttTrace *ltt_trace_copy(LttTrace *self);
-
-GQuark ltt_trace_name(const LttTrace *t);
-
-void ltt_trace_close(LttTrace *t);
-
-guint ltt_trace_get_num_cpu(LttTrace *t);
-
-LttSystemDescription *ltt_trace_system_description(LttTrace *t);
-
-
-/* Functions to discover the facilities in the trace. Once the number
- of facilities is known, they may be accessed by position. Multiple
- versions of a facility (same name, different checksum) have consecutive
- positions. */
-
-//unsigned ltt_trace_facility_number(LttTrace *t);
-
-//LttFacility * ltt_trace_facility_by_id(LttTrace * trace, guint8 id);
-
-/* Returns an array of indexes (guint) that matches the facility name */
-//GArray *ltt_trace_facility_get_by_name(LttTrace *t, GQuark name);
-
-/* Functions to discover all the event types in the trace */
-
-//unsigned ltt_trace_eventtype_number(LttTrace *t);
-
-//LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned i);
-
-
-/* Get the start time and end time of the trace */
-
-void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end);
-
-
-/* Get the name of a tracefile */
-
-GQuark ltt_tracefile_name(const LttTracefile *tf);
-GQuark ltt_tracefile_long_name(const LttTracefile *tf);
-
-/* get the cpu number of the tracefile */
-
-guint ltt_tracefile_cpu(LttTracefile *tf);
-
-/* For usertrace */
-guint ltt_tracefile_tid(LttTracefile *tf);
-guint ltt_tracefile_pgid(LttTracefile *tf);
-guint64 ltt_tracefile_creation(LttTracefile *tf);
-
-
-LttTrace *ltt_tracefile_get_trace(LttTracefile *tf);
-
-/* Get the number of blocks in the tracefile */
-
-unsigned ltt_tracefile_block_number(LttTracefile *tf);
-
-
-/* Seek to the first event of the trace with time larger or equal to time */
-
-int ltt_tracefile_seek_time(LttTracefile *t, LttTime time);
-
-/* Seek to the first event with position equal or larger to ep */
-
-int ltt_tracefile_seek_position(LttTracefile *t,
- const LttEventPosition *ep);
-
-/* Read the next event */
-
-int ltt_tracefile_read(LttTracefile *t);
-
-/* ltt_tracefile_read cut down in pieces */
-int ltt_tracefile_read_seek(LttTracefile *t);
-int ltt_tracefile_read_update_event(LttTracefile *t);
-int ltt_tracefile_read_op(LttTracefile *t);
-
-/* Get the current event of the tracefile : valid until the next read */
-LttEvent *ltt_tracefile_get_event(LttTracefile *tf);
-
-/* open tracefile */
-
-gint ltt_tracefile_open(LttTrace *t, gchar * fileName, LttTracefile *tf);
-
-/* get the data type size and endian type of the local machine */
-
-void getDataEndianType(LttArchSize * size, LttArchEndian * endian);
-
-/* get an integer number */
-gint64 get_int(gboolean reverse_byte_order, gint size, void *data);
-
-/* get the node name of the system */
-
-gchar * ltt_trace_system_description_node_name (LttSystemDescription * s);
-
-
-/* get the domain name of the system */
-
-gchar * ltt_trace_system_description_domain_name (LttSystemDescription * s);
-
-
-/* get the description of the system */
-
-gchar * ltt_trace_system_description_description (LttSystemDescription * s);
-
-
-/* get the NTP start time of the trace */
-
-LttTime ltt_trace_start_time(LttTrace *t);
-
-/* get the monotonic start time of the trace */
-
-LttTime ltt_trace_start_time_monotonic(LttTrace *t);
-
-/* copy tracefile info over another. Used for sync. */
-LttTracefile *ltt_tracefile_new();
-void ltt_tracefile_destroy(LttTracefile *tf);
-void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src);
-
-void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname);
-
-/* May return a NULL tracefile group */
-GData **ltt_trace_get_tracefiles_groups(LttTrace *trace);
-
-typedef void (*ForEachTraceFileFunc)(LttTracefile *tf, gpointer func_args);
-
-struct compute_tracefile_group_args {
- ForEachTraceFileFunc func;
- gpointer func_args;
-};
-
-
-void compute_tracefile_group(GQuark key_id,
- GArray *group,
- struct compute_tracefile_group_args *args);
-
-//LttFacility *ltt_trace_get_facility_by_num(LttTrace *t, guint num);
-
-
-//gint check_fields_compatibility(LttEventType *event_type1,
-// LttEventType *event_type2,
-// LttField *field1, LttField *field2);
-
-gint64 ltt_get_int(gboolean reverse_byte_order, gint size, void *data);
-
-guint64 ltt_get_uint(gboolean reverse_byte_order, gint size, void *data);
-
-LttTime ltt_interpolate_time_from_tsc(LttTracefile *tf, guint64 tsc);
-
-/* Set to enable event debugging output */
-void ltt_event_debug(int state);
-
-#endif // TRACE_H
projects / lttv.git / blobdiff