sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- For printing superblock profiles m_sbprofile.c ---*/ |
| 4 | /*--------------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
| 7 | This file is part of Valgrind, a dynamic binary instrumentation |
| 8 | framework. |
| 9 | |
Elliott Hughes | ed39800 | 2017-06-21 14:41:24 -0700 | [diff] [blame] | 10 | Copyright (C) 2012-2017 Mozilla Foundation |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 11 | |
| 12 | This program is free software; you can redistribute it and/or |
| 13 | modify it under the terms of the GNU General Public License as |
| 14 | published by the Free Software Foundation; either version 2 of the |
| 15 | License, or (at your option) any later version. |
| 16 | |
| 17 | This program is distributed in the hope that it will be useful, but |
| 18 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 20 | General Public License for more details. |
| 21 | |
| 22 | You should have received a copy of the GNU General Public License |
| 23 | along with this program; if not, write to the Free Software |
| 24 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 25 | 02111-1307, USA. |
| 26 | |
| 27 | The GNU General Public License is contained in the file COPYING. |
| 28 | */ |
| 29 | |
| 30 | /* Contributed by Julian Seward <jseward@acm.org> */ |
| 31 | |
| 32 | #include "pub_core_basics.h" |
| 33 | #include "pub_core_transtab.h" |
| 34 | #include "pub_core_libcbase.h" |
| 35 | #include "pub_core_libcprint.h" |
| 36 | #include "pub_core_libcassert.h" |
| 37 | #include "pub_core_debuginfo.h" |
| 38 | #include "pub_core_translate.h" |
| 39 | #include "pub_core_options.h" |
| 40 | #include "pub_core_sbprofile.h" // self |
| 41 | |
| 42 | /*====================================================================*/ |
| 43 | /*=== SB profiling ===*/ |
| 44 | /*====================================================================*/ |
| 45 | |
| 46 | static UInt n_profiles = 0; |
| 47 | |
| 48 | static |
florian | 518850b | 2014-10-22 22:25:30 +0000 | [diff] [blame] | 49 | void show_SB_profile ( const SBProfEntry tops[], UInt n_tops, |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 50 | ULong score_total, ULong ecs_done ) |
| 51 | { |
| 52 | ULong score_cumul, score_cumul_saved, score_here; |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 53 | Int r; /* must be signed */ |
| 54 | |
florian | f44ff62 | 2014-12-20 16:52:08 +0000 | [diff] [blame] | 55 | HChar ecs_txt[50]; // large enough |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 56 | if (ecs_done > 0) { |
| 57 | VG_(sprintf)(ecs_txt, "%'llu ecs done", ecs_done); |
| 58 | } else { |
| 59 | VG_(strcpy)(ecs_txt, "for the entire run"); |
| 60 | } |
| 61 | |
| 62 | vg_assert(VG_(clo_profyle_sbs)); |
| 63 | |
| 64 | VG_(printf)("\n"); |
| 65 | VG_(printf)("<<<---<<<---<<<---<<<---<<<---<<<---<<<---" |
| 66 | "<<<---<<<---<<<---<<<---<<<---<<<\n"); |
| 67 | VG_(printf)("<<<---<<<---<<<---<<<---<<<---<<<---<<<---" |
| 68 | "<<<---<<<---<<<---<<<---<<<---<<<\n"); |
| 69 | VG_(printf)("\n"); |
| 70 | VG_(printf)("<<< BEGIN SB Profile #%u (%s)\n", |
| 71 | ++n_profiles, ecs_txt); |
| 72 | VG_(printf)("<<<\n"); |
| 73 | VG_(printf)("\n"); |
| 74 | |
florian | a5e06c3 | 2015-08-05 21:16:09 +0000 | [diff] [blame] | 75 | VG_(printf)("Total score = %'llu\n\n", score_total); |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 76 | |
| 77 | /* Print an initial per-block summary. */ |
| 78 | VG_(printf)("rank ---cumulative--- -----self-----\n"); |
| 79 | score_cumul = 0; |
| 80 | for (r = 0; r < n_tops; r++) { |
| 81 | if (tops[r].addr == 0) |
| 82 | continue; |
| 83 | if (tops[r].score == 0) |
| 84 | continue; |
florian | 46cc045 | 2014-10-25 19:20:38 +0000 | [diff] [blame] | 85 | |
| 86 | const HChar *name; |
| 87 | VG_(get_fnname_w_offset)(tops[r].addr, &name); |
| 88 | |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 89 | score_here = tops[r].score; |
| 90 | score_cumul += score_here; |
florian | 227a1ec | 2014-12-12 19:32:10 +0000 | [diff] [blame] | 91 | |
| 92 | /* Careful: do not divide by zero. score_total == 0 implies |
| 93 | score_cumul == 0 and also score_here == 0. */ |
| 94 | Double percent_cumul = |
| 95 | score_total == 0 ? 100.0 : score_cumul * 100.0 / score_total; |
| 96 | Double percent_here = |
| 97 | score_total == 0 ? 100.0 : score_here * 100.0 / score_total; |
| 98 | |
florian | a5e06c3 | 2015-08-05 21:16:09 +0000 | [diff] [blame] | 99 | VG_(printf)("%3d: (%9llu %5.2f%%) %9llu %5.2f%% 0x%lx %s\n", |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 100 | r, |
florian | 227a1ec | 2014-12-12 19:32:10 +0000 | [diff] [blame] | 101 | score_cumul, percent_cumul, |
| 102 | score_here, percent_here, tops[r].addr, name); |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 103 | } |
| 104 | score_cumul_saved = score_cumul; |
| 105 | |
| 106 | if (VG_(clo_profyle_flags) > 0) { |
| 107 | |
| 108 | /* Show the details, if requested. */ |
| 109 | VG_(printf)("\n"); |
| 110 | VG_(printf)("-----------------------------" |
| 111 | "------------------------------\n"); |
| 112 | VG_(printf)("--- SB Profile (SB details) " |
| 113 | " ---\n"); |
| 114 | VG_(printf)("-----------------------------" |
| 115 | "------------------------------\n"); |
| 116 | VG_(printf)("\n"); |
| 117 | |
| 118 | score_cumul = 0; |
| 119 | for (r = 0; r < n_tops; r++) { |
| 120 | if (tops[r].addr == 0) |
| 121 | continue; |
| 122 | if (tops[r].score == 0) |
| 123 | continue; |
florian | 46cc045 | 2014-10-25 19:20:38 +0000 | [diff] [blame] | 124 | |
| 125 | const HChar *name; |
| 126 | VG_(get_fnname_w_offset)(tops[r].addr, &name); |
| 127 | |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 128 | score_here = tops[r].score; |
| 129 | score_cumul += score_here; |
florian | 227a1ec | 2014-12-12 19:32:10 +0000 | [diff] [blame] | 130 | |
| 131 | /* Careful: do not divide by zero. score_total == 0 implies |
| 132 | score_cumul == 0 and also score_here == 0. */ |
| 133 | Double percent_cumul = |
| 134 | score_total == 0 ? 100.0 : score_cumul * 100.0 / score_total; |
| 135 | Double percent_here = |
| 136 | score_total == 0 ? 100.0 : score_here * 100.0 / score_total; |
| 137 | |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 138 | VG_(printf)("\n"); |
| 139 | VG_(printf)("=-=-=-=-=-=-=-=-=-=-=-=-=-= begin SB rank %d " |
| 140 | "=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n", r); |
florian | a5e06c3 | 2015-08-05 21:16:09 +0000 | [diff] [blame] | 141 | VG_(printf)("%3d: (%9llu %5.2f%%) %9llu %5.2f%% 0x%lx %s\n", |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 142 | r, |
florian | 227a1ec | 2014-12-12 19:32:10 +0000 | [diff] [blame] | 143 | score_cumul, percent_cumul, |
| 144 | score_here, percent_here, tops[r].addr, name ); |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 145 | VG_(printf)("\n"); |
| 146 | VG_(discard_translations)(tops[r].addr, 1, "bb profile"); |
| 147 | VG_(translate)(0, tops[r].addr, True, VG_(clo_profyle_flags), 0, True); |
| 148 | VG_(printf)("=-=-=-=-=-=-=-=-=-=-=-=-=-= end SB rank %d " |
| 149 | "=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n", r); |
| 150 | } |
| 151 | |
| 152 | /* Print a final per-block summary, in reverse order, for the |
| 153 | convenience of people reading up from the end. */ |
| 154 | score_cumul = score_cumul_saved; |
| 155 | for (r = n_tops-1; r >= 0; r--) { |
| 156 | if (tops[r].addr == 0) |
| 157 | continue; |
| 158 | if (tops[r].score == 0) |
| 159 | continue; |
florian | 46cc045 | 2014-10-25 19:20:38 +0000 | [diff] [blame] | 160 | |
| 161 | const HChar *name; |
| 162 | VG_(get_fnname_w_offset)(tops[r].addr, &name); |
| 163 | |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 164 | score_here = tops[r].score; |
florian | 227a1ec | 2014-12-12 19:32:10 +0000 | [diff] [blame] | 165 | |
| 166 | /* Careful: do not divide by zero. score_total == 0 implies |
| 167 | score_cumul == 0 and also score_here == 0. */ |
| 168 | Double percent_cumul = |
| 169 | score_total == 0 ? 100.0 : score_cumul * 100.0 / score_total; |
| 170 | Double percent_here = |
| 171 | score_total == 0 ? 100.0 : score_here * 100.0 / score_total; |
| 172 | |
florian | a5e06c3 | 2015-08-05 21:16:09 +0000 | [diff] [blame] | 173 | VG_(printf)("%3d: (%9llu %5.2f%%) %9llu %5.2f%% 0x%lx %s\n", |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 174 | r, |
florian | 227a1ec | 2014-12-12 19:32:10 +0000 | [diff] [blame] | 175 | score_cumul, percent_cumul, |
| 176 | score_here, percent_here, tops[r].addr, name ); |
sewardj | 17c5e2e | 2012-12-28 09:12:14 +0000 | [diff] [blame] | 177 | score_cumul -= score_here; |
| 178 | } |
| 179 | VG_(printf)("rank ---cumulative--- -----self-----\n"); |
| 180 | |
| 181 | } |
| 182 | |
| 183 | VG_(printf)("\n"); |
| 184 | VG_(printf)(">>>\n"); |
| 185 | VG_(printf)(">>> END SB Profile #%u (%s)\n", |
| 186 | n_profiles, ecs_txt); |
| 187 | VG_(printf)(">>>\n"); |
| 188 | VG_(printf)(">>>--->>>--->>>--->>>--->>>--->>>--->>>---" |
| 189 | ">>>--->>>--->>>--->>>--->>>--->>>\n"); |
| 190 | VG_(printf)(">>>--->>>--->>>--->>>--->>>--->>>--->>>---" |
| 191 | ">>>--->>>--->>>--->>>--->>>--->>>\n"); |
| 192 | VG_(printf)("\n"); |
| 193 | } |
| 194 | |
| 195 | |
| 196 | /* Get and print a profile. Also, zero out the counters so that if we |
| 197 | call it again later, the second call will only show new work done |
| 198 | since the first call. ecs_done == 0 is taken to mean this is a |
| 199 | run-end profile. */ |
| 200 | void VG_(get_and_show_SB_profile) ( ULong ecs_done ) |
| 201 | { |
| 202 | /* The number of blocks to show for a end-of-run profile */ |
| 203 | # define N_MAX_END 200 |
| 204 | /* The number of blocks to show for a mid-run profile. */ |
| 205 | # define N_MAX_INTERVAL 20 |
| 206 | vg_assert(N_MAX_INTERVAL <= N_MAX_END); |
| 207 | SBProfEntry tops[N_MAX_END]; |
| 208 | Int nToShow = ecs_done == 0 ? N_MAX_END : N_MAX_INTERVAL; |
| 209 | ULong score_total = VG_(get_SB_profile)(tops, nToShow); |
| 210 | show_SB_profile(tops, nToShow, score_total, ecs_done); |
| 211 | # undef N_MAX_END |
| 212 | # undef N_MAX_INTERVAL |
| 213 | } |
| 214 | |
| 215 | |
| 216 | /*--------------------------------------------------------------------*/ |
| 217 | /*--- end m_sbprofile.c ---*/ |
| 218 | /*--------------------------------------------------------------------*/ |