mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-30 13:33:53 +08:00
3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/* User/system CPU time clocks that follow the std::chrono interface.
|
|
Copyright (C) 2016-2021 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
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 3 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef COMMON_RUN_TIME_CLOCK_H
|
|
#define COMMON_RUN_TIME_CLOCK_H
|
|
|
|
#include <chrono>
|
|
|
|
/* Count the total amount of time spent executing in user mode. */
|
|
|
|
struct user_cpu_time_clock
|
|
{
|
|
using duration = std::chrono::microseconds;
|
|
using rep = duration::rep;
|
|
using period = duration::period;
|
|
using time_point = std::chrono::time_point<user_cpu_time_clock>;
|
|
|
|
static constexpr bool is_steady = true;
|
|
|
|
/* Use run_time_clock::now instead. */
|
|
static time_point now () noexcept = delete;
|
|
};
|
|
|
|
/* Count the total amount of time spent executing in kernel mode. */
|
|
|
|
struct system_cpu_time_clock
|
|
{
|
|
using duration = std::chrono::microseconds;
|
|
using rep = duration::rep;
|
|
using period = duration::period;
|
|
using time_point = std::chrono::time_point<system_cpu_time_clock>;
|
|
|
|
static constexpr bool is_steady = true;
|
|
|
|
/* Use run_time_clock::now instead. */
|
|
static time_point now () noexcept = delete;
|
|
};
|
|
|
|
/* Count the total amount of time spent executing in userspace+kernel
|
|
mode. */
|
|
|
|
struct run_time_clock
|
|
{
|
|
using duration = std::chrono::microseconds;
|
|
using rep = duration::rep;
|
|
using period = duration::period;
|
|
using time_point = std::chrono::time_point<run_time_clock>;
|
|
|
|
static constexpr bool is_steady = true;
|
|
|
|
static time_point now () noexcept;
|
|
|
|
/* Return the user/system time as separate time points, if
|
|
supported. If not supported, then the combined user+kernel time
|
|
is returned in USER and SYSTEM is set to zero. */
|
|
static void now (user_cpu_time_clock::time_point &user,
|
|
system_cpu_time_clock::time_point &system) noexcept;
|
|
};
|
|
|
|
#endif /* COMMON_RUN_TIME_CLOCK_H */
|