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1491 giacomo 1 
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *    Giacomo Guidi      <giacomo@gandalf.sssup.it>
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <FTrace.h>
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#define READ_BUFFER 2000
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#define DELTA_BUFFER 100
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int main(int argc, char *argv[])
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{
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  char buffer[READ_BUFFER+DELTA_BUFFER];
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  void *p, *last;
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  int n,delta,size;
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  unsigned long long ev = 0, tsc_value;
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  FILE *input_file;
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  if (argc < 2) {
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    printf("%s: Enter the input file name [%s filename]\n",argv[0],argv[0]);
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    exit(1);
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  }
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  input_file = fopen(argv[1],"rb");
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  last = buffer + READ_BUFFER;
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  while(!feof(input_file)) {
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    //move remaining byte
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    delta = (unsigned int)(buffer) + READ_BUFFER - (unsigned int)(last);
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    if (delta > 0) memcpy(buffer,last,delta);    
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    n = fread(buffer+delta,1,READ_BUFFER+10,input_file);
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    fseek(input_file,-(delta+10),SEEK_CUR);
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    p = buffer;
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    while ((unsigned int)(p) + 16 <= (unsigned int)(buffer + READ_BUFFER) &&
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           (unsigned int)(p) + 16 <= (unsigned int)(buffer + n + delta)) {
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        switch (*(unsigned short int *)(p)) {
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          case FTrace_EVT_ipoint:
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                printf("%d ",*(unsigned short int *)(p+2));
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                break;
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          case FTrace_EVT_trace_start:
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                printf("0 ");
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                break;
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          case FTrace_EVT_trace_stop:
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                printf("1 ");
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                break;
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          case FTrace_EVT_timer_wakeup_start:
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          case FTrace_EVT_interrupt_start:
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                printf("2 ");
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                break;
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          case FTrace_EVT_timer_wakeup_end:
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          case FTrace_EVT_interrupt_end:
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                printf("3 ");
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                break;
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          case FTrace_EVT_context_switch:
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                printf("4 ");
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                break;
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        }
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        tsc_value = (unsigned long long)(*(unsigned int *)(p+4)) << 32;
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        tsc_value += (unsigned long long)(*(unsigned int *)(p+8));
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        printf("%llu ",tsc_value);
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        size = 16;
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      ev++;
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      p += 16;
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      if ((unsigned int)(p) + 10 > (unsigned int)(buffer + n + delta)) break;
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      last = p;
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    }
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    if ((unsigned int)(p) + 10 > (unsigned int)(buffer + n + delta)) break;
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  }
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  fclose(input_file);
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  return 0;
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}
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