81 lines
1.8 KiB
C++
81 lines
1.8 KiB
C++
// OpenSTA, Static Timing Analyzer
|
|
// Copyright (c) 2024, Parallax Software, Inc.
|
|
//
|
|
// 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 <https://www.gnu.org/licenses/>.
|
|
|
|
#include "Machine.hh"
|
|
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>
|
|
#include <thread>
|
|
|
|
#include "StaConfig.hh"
|
|
#include "StringUtil.hh"
|
|
|
|
namespace sta {
|
|
|
|
static struct timeval elapsed_begin_time_;
|
|
|
|
int
|
|
processorCount()
|
|
{
|
|
return std::thread::hardware_concurrency();
|
|
}
|
|
|
|
void
|
|
initElapsedTime()
|
|
{
|
|
struct timezone tz;
|
|
gettimeofday(&elapsed_begin_time_, &tz);
|
|
}
|
|
|
|
double
|
|
elapsedRunTime()
|
|
{
|
|
static struct timeval time;
|
|
struct timezone tz;
|
|
gettimeofday(&time, &tz);
|
|
return time.tv_sec - elapsed_begin_time_.tv_sec
|
|
+ (time.tv_usec - elapsed_begin_time_.tv_usec) * 1E-6;
|
|
}
|
|
|
|
double
|
|
userRunTime()
|
|
{
|
|
struct rusage rusage;
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
return rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec * 1e-6;
|
|
}
|
|
|
|
double
|
|
systemRunTime()
|
|
{
|
|
struct rusage rusage;
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
return rusage.ru_stime.tv_sec + rusage.ru_stime.tv_usec * 1e-6;
|
|
}
|
|
|
|
size_t
|
|
memoryUsage()
|
|
{
|
|
struct rusage rusage;
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
return rusage.ru_maxrss;
|
|
}
|
|
|
|
} // namespace
|