gdb/maint.h

   1 /* Support for GDB maintenance commands.
   2    Copyright (C) 2013-2019 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef MAINT_H
  20 #define MAINT_H
  21
  22 #include "gdbsupport/run-time-clock.h"
  23 #include <chrono>
  24
  25 extern void set_per_command_time (int);
  26
  27 extern void set_per_command_space (int);
  28
  29 extern bool worker_threads_disabled ();
  30
  31 /* Records a run time and space usage to be used as a base for
  32    reporting elapsed time or change in space.  */
  33
  34 class scoped_command_stats
  35 {
  36  public:
  37
  38   explicit scoped_command_stats (bool msg_type);
  39   ~scoped_command_stats ();
  40
  41  private:
  42
  43   DISABLE_COPY_AND_ASSIGN (scoped_command_stats);
  44
  45   /* Print the time, along with a string.  */
  46   void print_time (const char *msg);
  47
  48   /* Zero if the saved time is from the beginning of GDB execution.
  49      One if from the beginning of an individual command execution.  */
  50   bool m_msg_type;
  51   /* Track whether the stat was enabled at the start of the command
  52      so that we can avoid printing anything if it gets turned on by
  53      the current command.  */
  54   int m_time_enabled : 1;
  55   int m_space_enabled : 1;
  56   int m_symtab_enabled : 1;
  57   run_time_clock::time_point m_start_cpu_time;
  58   std::chrono::steady_clock::time_point m_start_wall_time;
  59   long m_start_space;
  60   /* Total number of symtabs (over all objfiles).  */
  61   int m_start_nr_symtabs;
  62   /* A count of the compunits.  */
  63   int m_start_nr_compunit_symtabs;
  64   /* Total number of blocks.  */
  65   int m_start_nr_blocks;
  66 };
  67
  68 #endif /* MAINT_H */