86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
/**************************************************************************
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* *
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* This file is a part of BMC4LTLK, *
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* a program for Bounded Model Checking of LTLK. *
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* *
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* Copyright (C) 2002-2010 Andrzej Zbrzezny <a.zbrzezny@gmail.com> *
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* *
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* This program is released under the terms of the license contained *
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* in the file LICENSE. *
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* *
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**************************************************************************/
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/* WARNING: LICENSE VIOLATION. THIS PROGRAM IS USED FOR TEST PURPOSES ONLY
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* THIS CODE WILL BE REPLACED BEFORE ANY RELEASE!!!!
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*/
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/* Based on MiniSat 1.14 */
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#ifndef __MEMTIME_H__
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#define __MEMTIME_H__
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#include <sys/time.h>
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#include <sys/resource.h>
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#if defined(__APPLE__)
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#include <malloc/malloc.h>
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#endif
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#include <stdio.h>
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#include <unistd.h>
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#include "macro.hh"
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typedef long long int64;
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static inline double cpuTime(void)
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{
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struct rusage ru;
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getrusage(RUSAGE_SELF, &ru);
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return (double)ru.ru_utime.tv_sec + (double)ru.ru_utime.tv_usec / 1000000;
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}
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static inline int memReadStat(void)
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{
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char name[256];
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pid_t pid = getpid();
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sprintf(name, "/proc/%d/statm", pid);
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FILE *in = fopen(name, "rb");
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if (in == nullptr) {
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return 0;
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}
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int value;
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for (int field = 0; field >= 0; --field) {
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if (fscanf(in, "%d", &value) == EOF) {
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FERROR("EOF");
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}
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}
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fclose(in);
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return value;
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}
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static inline int64 memUsedInt64()
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{
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return (int64)memReadStat() * (int64)getpagesize();
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}
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#if defined(__APPLE__)
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static inline double memUsed() {
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malloc_statistics_t t;
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malloc_zone_statistics(NULL, &t);
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return (double)t.max_size_in_use / (1024*1024); }
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#else
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static inline double memUsed()
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{
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return memUsedInt64() / (1024*1024);
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}
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#endif
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#endif
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