| |
| /*--------------------------------------------------------------------*/ |
| /*--- For printing superblock profiles m_sbprofile.c ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2012-2013 Mozilla Foundation |
| |
| 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 |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 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. |
| */ |
| |
| /* Contributed by Julian Seward <jseward@acm.org> */ |
| |
| #include "pub_core_basics.h" |
| #include "pub_core_transtab.h" |
| #include "pub_core_libcbase.h" |
| #include "pub_core_libcprint.h" |
| #include "pub_core_libcassert.h" |
| #include "pub_core_debuginfo.h" |
| #include "pub_core_translate.h" |
| #include "pub_core_options.h" |
| #include "pub_core_sbprofile.h" // self |
| |
| /*====================================================================*/ |
| /*=== SB profiling ===*/ |
| /*====================================================================*/ |
| |
| static UInt n_profiles = 0; |
| |
| static |
| void show_SB_profile ( SBProfEntry tops[], UInt n_tops, |
| ULong score_total, ULong ecs_done ) |
| { |
| ULong score_cumul, score_cumul_saved, score_here; |
| HChar buf_cumul[10], buf_here[10]; |
| HChar name[64]; |
| Int r; /* must be signed */ |
| |
| HChar ecs_txt[50]; |
| if (ecs_done > 0) { |
| VG_(sprintf)(ecs_txt, "%'llu ecs done", ecs_done); |
| } else { |
| VG_(strcpy)(ecs_txt, "for the entire run"); |
| } |
| |
| vg_assert(VG_(clo_profyle_sbs)); |
| |
| VG_(printf)("\n"); |
| VG_(printf)("<<<---<<<---<<<---<<<---<<<---<<<---<<<---" |
| "<<<---<<<---<<<---<<<---<<<---<<<\n"); |
| VG_(printf)("<<<---<<<---<<<---<<<---<<<---<<<---<<<---" |
| "<<<---<<<---<<<---<<<---<<<---<<<\n"); |
| VG_(printf)("\n"); |
| VG_(printf)("<<< BEGIN SB Profile #%u (%s)\n", |
| ++n_profiles, ecs_txt); |
| VG_(printf)("<<<\n"); |
| VG_(printf)("\n"); |
| |
| VG_(printf)("Total score = %'lld\n\n", score_total); |
| |
| /* Print an initial per-block summary. */ |
| VG_(printf)("rank ---cumulative--- -----self-----\n"); |
| score_cumul = 0; |
| for (r = 0; r < n_tops; r++) { |
| if (tops[r].addr == 0) |
| continue; |
| if (tops[r].score == 0) |
| continue; |
| name[0] = 0; |
| VG_(get_fnname_w_offset)(tops[r].addr, name, 64); |
| name[63] = 0; |
| score_here = tops[r].score; |
| score_cumul += score_here; |
| VG_(percentify)(score_cumul, score_total, 2, 6, buf_cumul); |
| VG_(percentify)(score_here, score_total, 2, 6, buf_here); |
| VG_(printf)("%3d: (%9lld %s) %9lld %s 0x%llx %s\n", |
| r, |
| score_cumul, buf_cumul, |
| score_here, buf_here, tops[r].addr, name ); |
| } |
| score_cumul_saved = score_cumul; |
| |
| if (VG_(clo_profyle_flags) > 0) { |
| |
| /* Show the details, if requested. */ |
| VG_(printf)("\n"); |
| VG_(printf)("-----------------------------" |
| "------------------------------\n"); |
| VG_(printf)("--- SB Profile (SB details) " |
| " ---\n"); |
| VG_(printf)("-----------------------------" |
| "------------------------------\n"); |
| VG_(printf)("\n"); |
| |
| score_cumul = 0; |
| for (r = 0; r < n_tops; r++) { |
| if (tops[r].addr == 0) |
| continue; |
| if (tops[r].score == 0) |
| continue; |
| name[0] = 0; |
| VG_(get_fnname_w_offset)(tops[r].addr, name, 64); |
| name[63] = 0; |
| score_here = tops[r].score; |
| score_cumul += score_here; |
| VG_(percentify)(score_cumul, score_total, 2, 6, buf_cumul); |
| VG_(percentify)(score_here, score_total, 2, 6, buf_here); |
| VG_(printf)("\n"); |
| VG_(printf)("=-=-=-=-=-=-=-=-=-=-=-=-=-= begin SB rank %d " |
| "=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n", r); |
| VG_(printf)("%3d: (%9lld %s) %9lld %s 0x%llx %s\n", |
| r, |
| score_cumul, buf_cumul, |
| score_here, buf_here, tops[r].addr, name ); |
| VG_(printf)("\n"); |
| VG_(discard_translations)(tops[r].addr, 1, "bb profile"); |
| VG_(translate)(0, tops[r].addr, True, VG_(clo_profyle_flags), 0, True); |
| VG_(printf)("=-=-=-=-=-=-=-=-=-=-=-=-=-= end SB rank %d " |
| "=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n", r); |
| } |
| |
| /* Print a final per-block summary, in reverse order, for the |
| convenience of people reading up from the end. */ |
| score_cumul = score_cumul_saved; |
| for (r = n_tops-1; r >= 0; r--) { |
| if (tops[r].addr == 0) |
| continue; |
| if (tops[r].score == 0) |
| continue; |
| name[0] = 0; |
| VG_(get_fnname_w_offset)(tops[r].addr, name, 64); |
| name[63] = 0; |
| score_here = tops[r].score; |
| VG_(percentify)(score_cumul, score_total, 2, 6, buf_cumul); |
| VG_(percentify)(score_here, score_total, 2, 6, buf_here); |
| VG_(printf)("%3d: (%9lld %s) %9lld %s 0x%llx %s\n", |
| r, |
| score_cumul, buf_cumul, |
| score_here, buf_here, tops[r].addr, name ); |
| score_cumul -= score_here; |
| } |
| VG_(printf)("rank ---cumulative--- -----self-----\n"); |
| |
| } |
| |
| VG_(printf)("\n"); |
| VG_(printf)(">>>\n"); |
| VG_(printf)(">>> END SB Profile #%u (%s)\n", |
| n_profiles, ecs_txt); |
| VG_(printf)(">>>\n"); |
| VG_(printf)(">>>--->>>--->>>--->>>--->>>--->>>--->>>---" |
| ">>>--->>>--->>>--->>>--->>>--->>>\n"); |
| VG_(printf)(">>>--->>>--->>>--->>>--->>>--->>>--->>>---" |
| ">>>--->>>--->>>--->>>--->>>--->>>\n"); |
| VG_(printf)("\n"); |
| } |
| |
| |
| /* Get and print a profile. Also, zero out the counters so that if we |
| call it again later, the second call will only show new work done |
| since the first call. ecs_done == 0 is taken to mean this is a |
| run-end profile. */ |
| void VG_(get_and_show_SB_profile) ( ULong ecs_done ) |
| { |
| /* The number of blocks to show for a end-of-run profile */ |
| # define N_MAX_END 200 |
| /* The number of blocks to show for a mid-run profile. */ |
| # define N_MAX_INTERVAL 20 |
| vg_assert(N_MAX_INTERVAL <= N_MAX_END); |
| SBProfEntry tops[N_MAX_END]; |
| Int nToShow = ecs_done == 0 ? N_MAX_END : N_MAX_INTERVAL; |
| ULong score_total = VG_(get_SB_profile)(tops, nToShow); |
| show_SB_profile(tops, nToShow, score_total, ecs_done); |
| # undef N_MAX_END |
| # undef N_MAX_INTERVAL |
| } |
| |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end m_sbprofile.c ---*/ |
| /*--------------------------------------------------------------------*/ |
