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/*--- Callgrind ---*/
/*--- events.h ---*/
This file is part of Callgrind, a Valgrind tool for call tracing.
Copyright (C) 2002-2013, Josef Weidendorfer (
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
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.
The GNU General Public License is contained in the file COPYING.
/* Abstractions for 64-bit cost lists (events.h) */
#ifndef CLG_EVENTS
#define CLG_EVENTS
#include "pub_tool_basics.h"
#define CLG_(str) VGAPPEND(vgCallgrind_,str)
/* Event groups consist of one or more named event types.
* Event sets are constructed from such event groups.
* Event groups have to be registered globally with a unique ID
* before they can be used in an event set.
* A group can appear at most once in a event set.
typedef struct _EventGroup EventGroup;
struct _EventGroup {
Int size;
const HChar* name[0];
/* return 0 if event group can not be registered */
EventGroup* CLG_(register_event_group) (int id, const HChar*);
EventGroup* CLG_(register_event_group2)(int id, const HChar*, const HChar*);
EventGroup* CLG_(register_event_group3)(int id, const HChar*, const HChar*,
const HChar*);
EventGroup* CLG_(register_event_group4)(int id, const HChar*, const HChar*,
const HChar*, const HChar*);
EventGroup* CLG_(get_event_group)(int id);
/* Event sets are defined by event groups they consist of. */
typedef struct _EventSet EventSet;
struct _EventSet {
/* if subset with ID x is in the set, then bit x is set */
UInt mask;
Int count;
Int size;
/* Same event set is returned when requesting same event groups */
EventSet* CLG_(get_event_set)(Int id);
EventSet* CLG_(get_event_set2)(Int id1, Int id2);
EventSet* CLG_(add_event_group)(EventSet*, Int id);
EventSet* CLG_(add_event_group2)(EventSet*, Int id1, Int id2);
EventSet* CLG_(add_event_set)(EventSet*, EventSet*);
/* Operations on costs. A cost pointer of 0 means zero cost.
* Functions ending in _lz allocate cost arrays only when needed
ULong* CLG_(get_eventset_cost)(EventSet*);
/* Set costs of event set to 0 */
void CLG_(init_cost)(EventSet*,ULong*);
/* This always allocates counter and sets them to 0 */
void CLG_(init_cost_lz)(EventSet*,ULong**);
/* Set costs of an event set to zero */
void CLG_(zero_cost)(EventSet*,ULong*);
Bool CLG_(is_zero_cost)(EventSet*,ULong*);
void CLG_(copy_cost)(EventSet*,ULong* dst, ULong* src);
void CLG_(copy_cost_lz)(EventSet*,ULong** pdst, ULong* src);
void CLG_(add_cost)(EventSet*,ULong* dst, ULong* src);
void CLG_(add_cost_lz)(EventSet*,ULong** pdst, ULong* src);
/* Adds src to dst and zeros src. Returns false if nothing changed */
Bool CLG_(add_and_zero_cost)(EventSet*,ULong* dst, ULong* src);
Bool CLG_(add_and_zero_cost2)(EventSet*,ULong* dst,EventSet*,ULong* src);
/* Adds difference of new and old to to dst, and set old to new.
* Returns false if nothing changed */
Bool CLG_(add_diff_cost)(EventSet*,ULong* dst, ULong* old, ULong* new_cost);
Bool CLG_(add_diff_cost_lz)(EventSet*,ULong** pdst, ULong* old, ULong* new_cost);
/* EventMapping: An ordered subset of events from an event set.
* This is used to print out part of an EventSet, or in another order.
struct EventMappingEntry {
Int group;
Int index;
Int offset;
typedef struct _EventMapping EventMapping;
struct _EventMapping {
EventSet* es;
Int size;
Int capacity;
struct EventMappingEntry entry[0];
/* Allocate space for an event mapping */
EventMapping* CLG_(get_eventmapping)(EventSet*);
void CLG_(append_event)(EventMapping*, const HChar*);
/* Returns number of characters written */
Int CLG_(sprint_eventmapping)(HChar* buf, EventMapping*);
/* Returns number of characters written */
Int CLG_(sprint_mappingcost)(HChar* buf, EventMapping*, ULong*);
#endif /* CLG_EVENTS */