mirror of https://gerrit.osmocom.org/libusrp
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/* -*- c++ -*- */
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/*
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* Copyright 2003 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "time_stuff.h"
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#include <sys/time.h>
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#include <unistd.h>
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static double
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timeval_to_secs (struct timeval *tv)
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{
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return (double) tv->tv_sec + (double) tv->tv_usec * 1e-6;
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}
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double
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get_cpu_usage (void)
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{
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#ifdef HAVE_GETRUSAGE
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struct rusage ru;
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if (getrusage (RUSAGE_SELF, &ru) != 0)
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return 0;
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return timeval_to_secs (&ru.ru_utime) + timeval_to_secs (&ru.ru_stime);
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#else
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return 0; /* FIXME */
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#endif
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}
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/*
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* return elapsed time (wall time) in seconds
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*/
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double
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get_elapsed_time (void)
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{
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struct timeval tv;
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if (gettimeofday (&tv, 0) != 0)
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return 0;
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return timeval_to_secs (&tv);
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}
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