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) 2003-2010 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 "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 {unsigned int _qzz_res; \ 87 VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \ 88 VG_USERREQ__DUMP_STATS, \ 89 0, 0, 0, 0, 0); \ 90 } 91 92 /* Dump current state of cost centers, and zero them afterwards. 93 The argument is appended to a string stating the reason which triggered 94 the dump. This string is written as a description field into the 95 profile data dump. */ 96 #define CALLGRIND_DUMP_STATS_AT(pos_str) \ 97 {unsigned int _qzz_res; \ 98 VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \ 99 VG_USERREQ__DUMP_STATS_AT, \ 100 pos_str, 0, 0, 0, 0); \ 101 } 102 103 /* Zero cost centers */ 104 #define CALLGRIND_ZERO_STATS \ 105 {unsigned int _qzz_res; \ 106 VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \ 107 VG_USERREQ__ZERO_STATS, \ 108 0, 0, 0, 0, 0); \ 109 } 110 111 /* Toggles collection state. 112 The collection state specifies whether the happening of events 113 should be noted or if they are to be ignored. Events are noted 114 by increment of counters in a cost center */ 115 #define CALLGRIND_TOGGLE_COLLECT \ 116 {unsigned int _qzz_res; \ 117 VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \ 118 VG_USERREQ__TOGGLE_COLLECT, \ 119 0, 0, 0, 0, 0); \ 120 } 121 122 /* Start full callgrind instrumentation if not already switched on. 123 When cache simulation is done, it will flush the simulated cache; 124 this will lead to an artifical cache warmup phase afterwards with 125 cache misses which would not have happened in reality. */ 126 #define CALLGRIND_START_INSTRUMENTATION \ 127 {unsigned int _qzz_res; \ 128 VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \ 129 VG_USERREQ__START_INSTRUMENTATION, \ 130 0, 0, 0, 0, 0); \ 131 } 132 133 /* Stop full callgrind instrumentation if not already switched off. 134 This flushes Valgrinds translation cache, and does no additional 135 instrumentation afterwards, which effectivly will run at the same 136 speed as the "none" tool (ie. at minimal slowdown). 137 Use this to bypass Callgrind aggregation for uninteresting code parts. 138 To start Callgrind in this mode to ignore the setup phase, use 139 the option "--instr-atstart=no". */ 140 #define CALLGRIND_STOP_INSTRUMENTATION \ 141 {unsigned int _qzz_res; \ 142 VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0, \ 143 VG_USERREQ__STOP_INSTRUMENTATION, \ 144 0, 0, 0, 0, 0); \ 145 } 146 147 #endif /* __CALLGRIND_H */ 148
