1/* Support for GDB maintenance commands.
2   Copyright (C) 2013-2020 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
25extern void set_per_command_time (int);
26
27extern void set_per_command_space (int);
28
29/* Records a run time and space usage to be used as a base for
30   reporting elapsed time or change in space.  */
31
32class scoped_command_stats
33{
34 public:
35
36  explicit scoped_command_stats (bool msg_type);
37  ~scoped_command_stats ();
38
39 private:
40
41  DISABLE_COPY_AND_ASSIGN (scoped_command_stats);
42
43  /* Print the time, along with a string.  */
44  void print_time (const char *msg);
45
46  /* Zero if the saved time is from the beginning of GDB execution.
47     One if from the beginning of an individual command execution.  */
48  bool m_msg_type;
49  /* Track whether the stat was enabled at the start of the command
50     so that we can avoid printing anything if it gets turned on by
51     the current command.  */
52  int m_time_enabled : 1;
53  int m_space_enabled : 1;
54  int m_symtab_enabled : 1;
55  run_time_clock::time_point m_start_cpu_time;
56  std::chrono::steady_clock::time_point m_start_wall_time;
57  long m_start_space;
58  /* Total number of symtabs (over all objfiles).  */
59  int m_start_nr_symtabs;
60  /* A count of the compunits.  */
61  int m_start_nr_compunit_symtabs;
62  /* Total number of blocks.  */
63  int m_start_nr_blocks;
64};
65
66#endif /* MAINT_H */
67