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/*
----------------------------------------------------------------
Notice that the following BSD-style license applies to this one
file (callgrind.h) only. The rest of Valgrind is licensed under the
terms of the GNU General Public License, version 2, unless
otherwise indicated. See the COPYING file in the source
distribution for details.
----------------------------------------------------------------
This file is part of callgrind, a valgrind tool for cache simulation
and call tree tracing.
Copyright (C) 2003-2007 Josef Weidendorfer. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.
3. Altered source versions must be plainly marked as such, and must
not be misrepresented as being the original software.
4. The name of the author may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------
Notice that the above BSD-style license applies to this one file
(vgprof.h) only. The entire rest of Valgrind is licensed under
the terms of the GNU General Public License, version 2. See the
COPYING file in the source distribution for details.
----------------------------------------------------------------
*/
#ifndef __CALLGRIND_H
#define __CALLGRIND_H
#include "valgrind_p.h"
/* !! ABIWARNING !! ABIWARNING !! ABIWARNING !! ABIWARNING !!
This enum comprises an ABI exported by Valgrind to programs
which use client requests. DO NOT CHANGE THE ORDER OF THESE
ENTRIES, NOR DELETE ANY -- add new ones at the end.
The identification ('C','T') for Callgrind has historical
reasons: it was called "Calltree" before. Besides, ('C','G') would
clash with cachegrind.
*/
typedef
enum {
VG_USERREQ__DUMP_STATS = VG_USERREQ_TOOL_BASE('C','T'),
VG_USERREQ__ZERO_STATS,
VG_USERREQ__TOGGLE_COLLECT,
VG_USERREQ__DUMP_STATS_AT,
VG_USERREQ__START_INSTRUMENTATION,
VG_USERREQ__STOP_INSTRUMENTATION
} Vg_CallgrindClientRequest;
/* Dump current state of cost centers, and zero them afterwards */
#define CALLGRIND_DUMP_STATS \
{unsigned int _qzz_res; \
VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \
VG_USERREQ__DUMP_STATS, \
0, 0, 0, 0, 0); \
}
/* Dump current state of cost centers, and zero them afterwards.
The argument is appended to a string stating the reason which triggered
the dump. This string is written as a description field into the
profile data dump. */
#define CALLGRIND_DUMP_STATS_AT(pos_str) \
{unsigned int _qzz_res; \
VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \
VG_USERREQ__DUMP_STATS_AT, \
pos_str, 0, 0, 0, 0); \
}
/* Zero cost centers */
#define CALLGRIND_ZERO_STATS \
{unsigned int _qzz_res; \
VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \
VG_USERREQ__ZERO_STATS, \
0, 0, 0, 0, 0); \
}
/* Toggles collection state.
The collection state specifies whether the happening of events
should be noted or if they are to be ignored. Events are noted
by increment of counters in a cost center */
#define CALLGRIND_TOGGLE_COLLECT \
{unsigned int _qzz_res; \
VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \
VG_USERREQ__TOGGLE_COLLECT, \
0, 0, 0, 0, 0); \
}
/* Start full callgrind instrumentation if not already switched on.
When cache simulation is done, it will flush the simulated cache;
this will lead to an artifical cache warmup phase afterwards with
cache misses which would not have happened in reality. */
#define CALLGRIND_START_INSTRUMENTATION \
{unsigned int _qzz_res; \
VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \
VG_USERREQ__START_INSTRUMENTATION, \
0, 0, 0, 0, 0); \
}
/* Stop full callgrind instrumentation if not already switched off.
This flushes Valgrinds translation cache, and does no additional
instrumentation afterwards, which effectivly will run at the same
speed as the "none" tool (ie. at minimal slowdown).
Use this to bypass Callgrind aggregation for uninteresting code parts.
To start Callgrind in this mode to ignore the setup phase, use
the option "--instr-atstart=no". */
#define CALLGRIND_STOP_INSTRUMENTATION \
{unsigned int _qzz_res; \
VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \
VG_USERREQ__STOP_INSTRUMENTATION, \
0, 0, 0, 0, 0); \
}
#endif /* __CALLGRIND_H */
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