From d675ff4684242402af02908e431ed5e9fe045320 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafael=20=C3=81vila=20de=20Esp=C3=ADndola?= Date: Thu, 17 Dec 2009 16:02:03 +0000 Subject: 2009-12-17 Rafael Avila de Espindola * Makefile.am (CCFILES): Add timer.cc. (HFILES): Add timer.h. * configure.ac: Check for sysconf and times. * main.cc: include timer.h. (main): Use Timer instead of get_run_time. * timer.cc: New. * timer.h: New. * workqueue.cc: include timer.h. (Workqueue::find_and_run_task): Report user, sys and wall time. * Makefile.in: Regenerate. * config.in: Regenerate. * configure: Regenerate. --- gold/timer.h | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 gold/timer.h (limited to 'gold/timer.h') diff --git a/gold/timer.h b/gold/timer.h new file mode 100644 index 0000000..ea360c2 --- /dev/null +++ b/gold/timer.h @@ -0,0 +1,69 @@ +// timer.h -- helper class for time accounting -*- C++ -*- + +// Copyright 2009 Free Software Foundation, Inc. +// Written by Rafael Avila de Espindola . + +// This file is part of gold. + +// 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, write to the Free Software +// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +// MA 02110-1301, USA. + +#ifndef GOLD_TIMER_H +#define GOLD_TIMER_H + +namespace gold +{ + +class Timer +{ + public: + // Used to report time statistics. All fields are in milliseconds. + struct TimeStats + { + /* User time in this process. */ + long user; + + /* System time in this process. */ + long sys; + + /* Wall clock time. */ + long wall; + }; + + Timer(); + + // Return the stats since start was called. + TimeStats + get_elapsed_time(); + + // Start couting the time. + void + start(); + + private: + // This class cannot be copied. + Timer(const Timer&); + Timer& operator=(const Timer&); + + // Write the current time infortamion. + static void + get_time(TimeStats *now); + + // The time of the last call to start. + TimeStats start_time_; +}; + +} +#endif -- cgit v1.1