asc26 amss-ncku initialized

AMSS_NCKU_source/perf.h

@@ -0,0 +1,59 @@
+
+#ifndef PERF_H
+#define PERF_H
+#ifdef newc
+#include <iostream>
+#include <iomanip>
+#include <fstream>
+#include <strstream>
+#include <cmath>
+#include <cstdlib>
+#include <cstdio>
+using namespace std;
+#else
+#include <iostream.h>
+#include <iomanip.h>
+#include <fstream.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#endif
+
+/* for open/read/close */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <signal.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include <mpi.h>
+
+/* Real time */
+#define TimerSignal SIGALRM
+#define TimerType ITIMER_REAL
+
+class perf
+{
+public:
+   static size_t mem_peak;
+   static size_t mem_current;
+   /* The sampling interval of the timer in ms, <= 0 disables the timer. */
+   static int sampling_interval;
+   static char statm[40];
+   static bool have_statm;
+   static struct itimerval new_it, old;
+   static struct sigaction sa, old_sa;
+
+public:
+   perf();
+   ~perf();
+   static void sample_mem_usage(int dummy);
+   size_t MemoryUsage(size_t *current_min, size_t *current_avg, size_t *current_max,
+                      size_t *peak_min, size_t *peak_avg, size_t *peak_max,
+                      int nprocs);
+};
+#endif /* PERF_H */