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local_callgrind.h
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1
2 /*
3 ----------------------------------------------------------------
4
5 Notice that the following BSD-style license applies to this one
6 file (callgrind.h) only. The rest of Valgrind is licensed under the
7 terms of the GNU General Public License, version 2, unless
8 otherwise indicated. See the COPYING file in the source
9 distribution for details.
10
11 ----------------------------------------------------------------
12
13 This file is part of callgrind, a valgrind tool for cache simulation
14 and call tree tracing.
15
16 Copyright (C) 2003-2013 Josef Weidendorfer. All rights reserved.
17
18 Redistribution and use in source and binary forms, with or without
19 modification, are permitted provided that the following conditions
20 are met:
21
22 1. Redistributions of source code must retain the above copyright
23 notice, this list of conditions and the following disclaimer.
24
25 2. The origin of this software must not be misrepresented; you must
26 not claim that you wrote the original software. If you use this
27 software in a product, an acknowledgment in the product
28 documentation would be appreciated but is not required.
29
30 3. Altered source versions must be plainly marked as such, and must
31 not be misrepresented as being the original software.
32
33 4. The name of the author may not be used to endorse or promote
34 products derived from this software without specific prior written
35 permission.
36
37 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
38 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
39 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
40 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
41 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
42 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
43 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
44 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
45 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
46 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
47 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48
49 ----------------------------------------------------------------
50
51 Notice that the above BSD-style license applies to this one file
52 (callgrind.h) only. The entire rest of Valgrind is licensed under
53 the terms of the GNU General Public License, version 2. See the
54 COPYING file in the source distribution for details.
55
56 ----------------------------------------------------------------
57 */
58
59 #ifndef __CALLGRIND_H
60 #define __CALLGRIND_H
61
62 #include "local_valgrind.h"
63
64 /* !! ABIWARNING !! ABIWARNING !! ABIWARNING !! ABIWARNING !!
65 This enum comprises an ABI exported by Valgrind to programs
66 which use client requests. DO NOT CHANGE THE ORDER OF THESE
67 ENTRIES, NOR DELETE ANY -- add new ones at the end.
68
69 The identification ('C','T') for Callgrind has historical
70 reasons: it was called "Calltree" before. Besides, ('C','G') would
71 clash with cachegrind.
72 */
73
74 typedef
75 enum {
76 VG_USERREQ__DUMP_STATS = VG_USERREQ_TOOL_BASE('C','T'),
77 VG_USERREQ__ZERO_STATS,
78 VG_USERREQ__TOGGLE_COLLECT,
79 VG_USERREQ__DUMP_STATS_AT,
80 VG_USERREQ__START_INSTRUMENTATION,
81 VG_USERREQ__STOP_INSTRUMENTATION
82 } Vg_CallgrindClientRequest;
83
84 /* Dump current state of cost centers, and zero them afterwards */
85 #define CALLGRIND_DUMP_STATS \
86 VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__DUMP_STATS, \
87 0, 0, 0, 0, 0)
88
89 /* Dump current state of cost centers, and zero them afterwards.
90 The argument is appended to a string stating the reason which triggered
91 the dump. This string is written as a description field into the
92 profile data dump. */
93 #define CALLGRIND_DUMP_STATS_AT(pos_str) \
94 VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__DUMP_STATS_AT, \
95 pos_str, 0, 0, 0, 0)
96
97 /* Zero cost centers */
98 #define CALLGRIND_ZERO_STATS \
99 VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__ZERO_STATS, \
100 0, 0, 0, 0, 0)
101
102 /* Toggles collection state.
103 The collection state specifies whether the happening of events
104 should be noted or if they are to be ignored. Events are noted
105 by increment of counters in a cost center */
106 #define CALLGRIND_TOGGLE_COLLECT \
107 VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__TOGGLE_COLLECT, \
108 0, 0, 0, 0, 0)
109
110 /* Start full callgrind instrumentation if not already switched on.
111 When cache simulation is done, it will flush the simulated cache;
112 this will lead to an artifical cache warmup phase afterwards with
113 cache misses which would not have happened in reality. */
114 #define CALLGRIND_START_INSTRUMENTATION \
115 VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__START_INSTRUMENTATION, \
116 0, 0, 0, 0, 0)
117
118 /* Stop full callgrind instrumentation if not already switched off.
119 This flushes Valgrinds translation cache, and does no additional
120 instrumentation afterwards, which effectivly will run at the same
121 speed as the "none" tool (ie. at minimal slowdown).
122 Use this to bypass Callgrind aggregation for uninteresting code parts.
123 To start Callgrind in this mode to ignore the setup phase, use
124 the option "--instr-atstart=no". */
125 #define CALLGRIND_STOP_INSTRUMENTATION \
126 VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__STOP_INSTRUMENTATION, \
127 0, 0, 0, 0, 0)
128
129 #endif /* __CALLGRIND_H */
VG_USERREQ__DUMP_STATS
Definition: local_callgrind.h:76
VG_USERREQ__TOGGLE_COLLECT
Definition: local_callgrind.h:78
VG_USERREQ__START_INSTRUMENTATION
Definition: local_callgrind.h:80
local_valgrind.h
VG_USERREQ__ZERO_STATS
Definition: local_callgrind.h:77
VG_USERREQ__STOP_INSTRUMENTATION
Definition: local_callgrind.h:81
Vg_CallgrindClientRequest
Vg_CallgrindClientRequest
Definition: local_callgrind.h:74
VG_USERREQ__DUMP_STATS_AT
Definition: local_callgrind.h:79
VG_USERREQ_TOOL_BASE
#define VG_USERREQ_TOOL_BASE(a, b)
Definition: local_valgrind.h:4933