+++ /dev/null
-/* This file is part of the Linux Trace Toolkit trace reading library
- * Copyright (C) 2003-2004 Michel Dagenais
- * 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 EVENT_H
-#define EVENT_H
-
-#include <glib.h>
-#include <ltt/ltt.h>
-#include <sys/types.h>
-
-LttEvent *ltt_event_new();
-
-void ltt_event_destroy(LttEvent *event);
-
-/* Events and their content, including the raw data, are only valid
- until reading another event from the same tracefile.
- Indeed, since event reading is critical to the performance,
- the memory associated with an event may be reused at each read. */
-
-/* Obtain the trace unique integer id associated with the type of
- this event */
-
-unsigned ltt_event_eventtype_id(const LttEvent *e);
-
-unsigned ltt_event_facility_id(const LttEvent *e);
-
-/* Facility and type for the event */
-
-LttFacility *ltt_event_facility(const LttEvent *e);
-
-LttEventType *ltt_event_eventtype(const LttEvent *e);
-
-
-
-/* Time and cycle count for the event */
-
-LttTime ltt_event_time(const LttEvent *e);
-
-LttCycleCount ltt_event_cycle_count(const LttEvent *e);
-
-
-/* Obtain the position of the event within the tracefile. This
- is used to seek back to this position later or to seek to another
- position, computed relative to this position. The event position
- structure is opaque and contains several fields, only two
- of which are user accessible: block number and event index
- within the block. */
-
-void ltt_event_position(LttEvent *e, LttEventPosition *ep);
-
-LttEventPosition * ltt_event_position_new();
-
-void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf,
- guint *block, guint *offset, guint64 *tsc);
-
-void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf,
- guint block, guint offset, guint64 tsc);
-
-gint ltt_event_position_compare(const LttEventPosition *ep1,
- const LttEventPosition *ep2);
-
-void ltt_event_position_copy(LttEventPosition *dest,
- const LttEventPosition *src);
-
-LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep);
-
-/* CPU id of the event */
-
-unsigned ltt_event_cpu_id(LttEvent *e);
-
-
-/* Pointer to the raw data for the event. This should not be used directly
- unless prepared to do all the architecture specific conversions. */
-
-void *ltt_event_data(LttEvent *e);
-
-
-/* The number of elements in a sequence field is specific to each event
- instance. This function returns the number of elements for an array or
- sequence field in an event. */
-
-guint64 ltt_event_field_element_number(LttEvent *e, LttField *f);
-
-
-/* Set the currently selected element for a sequence or array field. */
-
-LttField *ltt_event_field_element_select(LttEvent *e, LttField *f, gulong i);
-
-off_t ltt_event_field_offset(LttEvent *e, LttField *f);
-
-/* A union is like a structure except that only a single member at a time
- is present depending on the specific event instance. This function tells
- the active member for a union field in an event. */
-
-unsigned ltt_event_field_union_member(LttEvent *e, LttField *f);
-
-
-/* These functions extract data from an event after architecture specific
- conversions. */
-
-guint32 ltt_event_get_unsigned(LttEvent *e, LttField *f);
-
-gint32 ltt_event_get_int(LttEvent *e, LttField *f);
-
-guint64 ltt_event_get_long_unsigned(LttEvent *e, LttField *f);
-
-gint64 ltt_event_get_long_int(LttEvent *e, LttField *f);
-
-float ltt_event_get_float(LttEvent *e, LttField *f);
-
-double ltt_event_get_double(LttEvent *e, LttField *f);
-
-
-/* The string obtained is only valid until the next read from
- the same tracefile. */
-
-gchar *ltt_event_get_string(LttEvent *e, LttField *f);
-
-void compute_offsets(LttTracefile *tf, LttFacility *fac,
- LttEventType *event, off_t *offset, void *root);
-
-#endif // EVENT_H
projects / lttv.git / blobdiff