60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
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#ifndef PERF_H
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#define PERF_H
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#ifdef newc
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <strstream>
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#include <cmath>
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#include <cstdlib>
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#include <cstdio>
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using namespace std;
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#else
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#include <iostream.h>
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#include <iomanip.h>
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#include <fstream.h>
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#include <string.h>
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#endif
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/* for open/read/close */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <mpi.h>
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/* Real time */
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#define TimerSignal SIGALRM
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#define TimerType ITIMER_REAL
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class perf
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{
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public:
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static size_t mem_peak;
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static size_t mem_current;
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/* The sampling interval of the timer in ms, <= 0 disables the timer. */
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static int sampling_interval;
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static char statm[40];
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static bool have_statm;
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static struct itimerval new_it, old;
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static struct sigaction sa, old_sa;
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public:
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perf();
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~perf();
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static void sample_mem_usage(int dummy);
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size_t MemoryUsage(size_t *current_min, size_t *current_avg, size_t *current_max,
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size_t *peak_min, size_t *peak_avg, size_t *peak_max,
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int nprocs);
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};
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#endif /* PERF_H */
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