src/ck-perf/trace-memory.h

   1 #ifndef __TRACE_MEMORY_H__
   2 #define __TRACE_MEMORY_H__
   3
   4 #include "charm++.h"
   5 #include "trace.h"
   6 #include "trace-common.h"
   7 #include <errno.h>
   8
   9 /** A representant of a memory operation */
  10
  11 class MemEntry {
  12   friend class TraceMemory;
  13  private:
  14   int type;
  15   void *where;
  16   int size;
  17   int stackSize;
  18
  19  public:
  20   MemEntry();
  21   void write(FILE *fp);
  22   void set(int t, void *w, int s) {
  23     type = t;
  24     where = w;
  25     size = s;
  26     stackSize = 0;
  27   }
  28   void setStack(int ss, void **s) {
  29     stackSize = ss;
  30     memcpy(this+1, s, ss*sizeof(void*));
  31   }
  32 };
  33
  34 /**
  35    class to trace all memory related events. Currently works only in conjunction
  36    with "-memory charmdebug".
  37 */
  38 class TraceMemory : public Trace {
  39  private:
  40   bool firstTime;
  41   bool recordStack;
  42   bool traceDisabled;
  43   int logBufSize;
  44   int usedBuffer;
  45   char *logBuffer;
  46
  47   void checkFlush(int add);
  48   void flush();
  49  public:
  50   TraceMemory(char **argv);
  51
  52   void traceBegin();
  53   void traceClose();
  54   void malloc(void *where, int size, void **stack, int stackSize);
  55   void free(void *where, int size);
  56 };
  57
  58 #endif