128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file debug.h Functions related to debugging. */
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#ifndef DEBUG_H
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#define DEBUG_H
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#include "cpu.h"
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#include <chrono>
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/* Debugging messages policy:
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* These should be the severities used for direct DEBUG() calls
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* maximum debugging level should be 10 if really deep, deep
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* debugging is needed.
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* (there is room for exceptions, but you have to have a good cause):
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* 0 - errors or severe warnings
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* 1 - other non-fatal, non-severe warnings
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* 2 - crude progress indicator of functionality
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* 3 - important debugging messages (function entry)
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* 4 - debugging messages (crude loop status, etc.)
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* 5 - detailed debugging information
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* 6.. - extremely detailed spamming
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*/
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/**
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* Output a line of debugging information.
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* @param name Category
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* @param level Debugging level, higher levels means more detailed information.
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*/
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#define DEBUG(name, level, ...) if ((level) == 0 || _debug_ ## name ## _level >= (level)) debug(#name, __VA_ARGS__)
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extern int _debug_driver_level;
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extern int _debug_grf_level;
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extern int _debug_map_level;
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extern int _debug_misc_level;
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extern int _debug_net_level;
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extern int _debug_sprite_level;
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extern int _debug_oldloader_level;
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extern int _debug_npf_level;
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extern int _debug_yapf_level;
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extern int _debug_freetype_level;
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extern int _debug_script_level;
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extern int _debug_sl_level;
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extern int _debug_gamelog_level;
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extern int _debug_desync_level;
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extern int _debug_console_level;
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#ifdef RANDOM_DEBUG
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extern int _debug_random_level;
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#endif
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void CDECL debug(const char *dbg, const char *format, ...) WARN_FORMAT(2, 3);
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char *DumpDebugFacilityNames(char *buf, char *last);
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void SetDebugString(const char *s);
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const char *GetDebugString();
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/* Shorter form for passing filename and linenumber */
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#define FILE_LINE __FILE__, __LINE__
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/* Used for profiling
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*
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* Usage:
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* TIC();
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* --Do your code--
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* TOC("A name", 1);
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*
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* When you run the TIC() / TOC() multiple times, you can increase the '1'
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* to only display average stats every N values. Some things to know:
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*
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* for (int i = 0; i < 5; i++) {
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* TIC();
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* --Do your code--
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* TOC("A name", 5);
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* }
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*
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* Is the correct usage for multiple TIC() / TOC() calls.
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*
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* TIC() / TOC() creates its own block, so make sure not the mangle
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* it with another block.
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*
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* The output is counted in CPU cycles, and not comparable across
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* machines. Mainly useful for local optimisations.
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**/
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#define TIC() {\
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uint64 _xxx_ = ottd_rdtsc();\
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static uint64 _sum_ = 0;\
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static uint32 _i_ = 0;
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#define TOC(str, count)\
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_sum_ += ottd_rdtsc() - _xxx_;\
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if (++_i_ == count) {\
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DEBUG(misc, 0, "[%s] " OTTD_PRINTF64 " [avg: %.1f]", str, _sum_, _sum_/(double)_i_);\
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_i_ = 0;\
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_sum_ = 0;\
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}\
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}
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/* Chrono based version. The output is in microseconds. */
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#define TICC() {\
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auto _start_ = std::chrono::high_resolution_clock::now();\
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static uint64 _sum_ = 0;\
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static uint32 _i_ = 0;
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#define TOCC(str, _count_)\
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_sum_ += (std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - _start_)).count();\
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if (++_i_ == _count_) {\
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DEBUG(misc, 0, "[%s] " OTTD_PRINTF64 " us [avg: %.1f us]", str, _sum_, _sum_/(double)_i_);\
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_i_ = 0;\
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_sum_ = 0;\
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}\
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}
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void ShowInfo(const char *str);
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void CDECL ShowInfoF(const char *str, ...) WARN_FORMAT(1, 2);
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const char *GetLogPrefix();
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/** The real time in the game. */
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extern uint32 _realtime_tick;
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#endif /* DEBUG_H */
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