fileop.c

硬盘速度测试 linux下 源码 c/c

	   if(verbose)
	   {
	      printf("unlink:  Files = %9lld ",stats[_STAT_UNLINK].counter);
	      printf("Total Time = %12.9f seconds\n", stats[_STAT_UNLINK].total_time);
	      printf("         Avg unlink(s)/sec    = %12.2f (%12.9f seconds/op)\n",
			stats[_STAT_UNLINK].counter/stats[_STAT_UNLINK].total_time,
			stats[_STAT_UNLINK].total_time/stats[_STAT_UNLINK].counter);
	      printf("         Best unlink(s)/sec   = %12.2f (%12.9f seconds/op)\n",
			1/stats[_STAT_UNLINK].best,stats[_STAT_UNLINK].best);
	      printf("         Worst unlink(s)/sec  = %12.2f (%12.9f seconds/op)\n\n",
			1/stats[_STAT_UNLINK].worst,stats[_STAT_UNLINK].worst);
	   }
#endif
	   /*
	    * Delete test 
	    */
	   file_delete(x);
	   if(verbose)
	   {
	      printf("delete:  Files = %9lld ",stats[_STAT_DELETE].counter);
	      printf("Total Time = %12.9f seconds\n", stats[_STAT_DELETE].total_time);
	      printf("         Avg delete(s)/sec    = %12.2f (%12.9f seconds/op)\n",
			stats[_STAT_DELETE].counter/stats[_STAT_DELETE].total_time,
			stats[_STAT_DELETE].total_time/stats[_STAT_DELETE].counter);
	      printf("         Best delete(s)/sec   = %12.2f (%12.9f seconds/op)\n",
			1/stats[_STAT_DELETE].best,stats[_STAT_DELETE].best);
	      printf("         Worst delete(s)/sec  = %12.2f (%12.9f seconds/op)\n\n",
			1/stats[_STAT_DELETE].worst,stats[_STAT_DELETE].worst);
	   }
	   if(!verbose)
	   {
	         printf("%c %4d %6.0f ",'A',x,stats[_STAT_DIR_CREATE].counter/stats[_STAT_DIR_CREATE].total_time);
	         printf("%6.0f ",stats[_STAT_DIR_DELETE].counter/stats[_STAT_DIR_DELETE].total_time);
	         printf("%6.0f ",stats[_STAT_CREATE].counter/stats[_STAT_CREATE].total_time);
	         printf("%6.0f ",stats[_STAT_READ].counter/stats[_STAT_READ].total_time);
	         printf("%6.0f ",stats[_STAT_WRITE].counter/stats[_STAT_WRITE].total_time);
	         printf("%6.0f ",stats[_STAT_CLOSE].counter/stats[_STAT_CLOSE].total_time);
	         printf("%6.0f ",stats[_STAT_STAT].counter/stats[_STAT_STAT].total_time);
	         printf("%6.0f ",stats[_STAT_ACCESS].counter/stats[_STAT_ACCESS].total_time);
	         printf("%6.0f ",stats[_STAT_CHMOD].counter/stats[_STAT_CHMOD].total_time);
	         printf("%6.0f ",stats[_STAT_READDIR].counter/stats[_STAT_READDIR].total_time);
#ifndef Windows
	         printf("%6.0f ",stats[_STAT_LINK].counter/stats[_STAT_LINK].total_time);
	         printf("%6.0f ",stats[_STAT_UNLINK].counter/stats[_STAT_UNLINK].total_time);
#endif
	         printf("%6.0f ",stats[_STAT_DELETE].counter/stats[_STAT_DELETE].total_time);
	         printf("%12d ",x*x*x);
	         printf("\n");
  	   	 fflush(stdout);

		if(best)
		{
	         printf("%c %4d %6.0f ",'B',x, 1/stats[_STAT_DIR_CREATE].best);
	         printf("%6.0f ",1/stats[_STAT_DIR_DELETE].best);
	         printf("%6.0f ",1/stats[_STAT_CREATE].best);
	         printf("%6.0f ",1/stats[_STAT_READ].best);
	         printf("%6.0f ",1/stats[_STAT_WRITE].best);
	         printf("%6.0f ",1/stats[_STAT_CLOSE].best);
	         printf("%6.0f ",1/stats[_STAT_STAT].best);
	         printf("%6.0f ",1/stats[_STAT_ACCESS].best);
	         printf("%6.0f ",1/stats[_STAT_CHMOD].best);
	         printf("%6.0f ",1/stats[_STAT_READDIR].best);
#ifndef Windows
	         printf("%6.0f ",1/stats[_STAT_LINK].best);
	         printf("%6.0f ",1/stats[_STAT_UNLINK].best);
#endif
	         printf("%6.0f ",1/stats[_STAT_DELETE].best);
	         printf("%12d ",x*x*x);
		 printf("\n");
  	   	 fflush(stdout);
		}
		if(worst)
		{
	         printf("%c %4d %6.0f ",'W',x, 1/stats[_STAT_DIR_CREATE].worst);
	         printf("%6.0f ",1/stats[_STAT_DIR_DELETE].worst);
	         printf("%6.0f ",1/stats[_STAT_CREATE].worst);
	         printf("%6.0f ",1/stats[_STAT_READ].worst);
	         printf("%6.0f ",1/stats[_STAT_WRITE].worst);
	         printf("%6.0f ",1/stats[_STAT_CLOSE].worst);
	         printf("%6.0f ",1/stats[_STAT_STAT].worst);
	         printf("%6.0f ",1/stats[_STAT_ACCESS].worst);
	         printf("%6.0f ",1/stats[_STAT_CHMOD].worst);
	         printf("%6.0f ",1/stats[_STAT_READDIR].worst);
#ifndef Windows
	         printf("%6.0f ",1/stats[_STAT_LINK].worst);
	         printf("%6.0f ",1/stats[_STAT_UNLINK].worst);
#endif
	         printf("%6.0f ",1/stats[_STAT_DELETE].worst);
	         printf("%12d ",x*x*x);
		 printf("\n");
  	   	 fflush(stdout);
		}
	   }
	}
	return(0);
}

void 
dir_create(int x)
{
	int i,j;
	int ret;
	char buf[100];
	stats[_STAT_DIR_CREATE].best=(double)99999.9;
	stats[_STAT_DIR_CREATE].worst=(double)0.00000000;
	chdir(thedir); /* change starting point */
	for(i=0;i<x;i++)
	{
	  sprintf(buf,"iozone_L1_%d",i);
	  stats[_STAT_DIR_CREATE].starttime=time_so_far();
	  ret=mkdir(buf,0777);
	  if(ret < 0)
	  {
	      printf("Mkdir failed\n");
	      exit(1);
	  }
	  stats[_STAT_DIR_CREATE].endtime=time_so_far();
	  stats[_STAT_DIR_CREATE].speed=stats[_STAT_DIR_CREATE].endtime-stats[_STAT_DIR_CREATE].starttime;
	  if(stats[_STAT_DIR_CREATE].speed < (double)0.0)
		stats[_STAT_DIR_CREATE].speed=(double)0.0;
	  stats[_STAT_DIR_CREATE].total_time+=stats[_STAT_DIR_CREATE].speed;
	  stats[_STAT_DIR_CREATE].counter++;
	  if(stats[_STAT_DIR_CREATE].speed < stats[_STAT_DIR_CREATE].best)
	 	stats[_STAT_DIR_CREATE].best=stats[_STAT_DIR_CREATE].speed;
	  if(stats[_STAT_DIR_CREATE].speed > stats[_STAT_DIR_CREATE].worst)
		 stats[_STAT_DIR_CREATE].worst=stats[_STAT_DIR_CREATE].speed;
	  chdir(buf);
	  for(j=0;j<x;j++)
	  {
	    sprintf(buf,"iozone_L1_%d_L2_%d",i,j);
	    stats[_STAT_DIR_CREATE].starttime=time_so_far();
	    ret=mkdir(buf,0777);
	    if(ret < 0)
	    {
	      printf("Mkdir failed\n");
	      exit(1);
	    }
	    stats[_STAT_DIR_CREATE].endtime=time_so_far();
	    stats[_STAT_DIR_CREATE].speed=stats[_STAT_DIR_CREATE].endtime-stats[_STAT_DIR_CREATE].starttime;
	    if(stats[_STAT_DIR_CREATE].speed < (double)0.0)
		stats[_STAT_DIR_CREATE].speed=(double) 0.0;
	    stats[_STAT_DIR_CREATE].total_time+=stats[_STAT_DIR_CREATE].speed;
	    stats[_STAT_DIR_CREATE].counter++;
	    if(stats[_STAT_DIR_CREATE].speed < stats[_STAT_DIR_CREATE].best)
		 stats[_STAT_DIR_CREATE].best=stats[_STAT_DIR_CREATE].speed;
	    if(stats[_STAT_DIR_CREATE].speed > stats[_STAT_DIR_CREATE].worst)
		 stats[_STAT_DIR_CREATE].worst=stats[_STAT_DIR_CREATE].speed;
	    chdir(buf);
	    chdir("..");
	  }
	  chdir("..");
	}
}

void 
file_create(int x)
{
	int i,j,k;
	int fd;
	int ret;
	char buf[100];
	char value;
	stats[_STAT_CREATE].best=(double)999999.9;
	stats[_STAT_CREATE].worst=(double)0.0;
	stats[_STAT_WRITE].best=(double)999999.9;
	stats[_STAT_WRITE].worst=(double)0.0;
	stats[_STAT_CLOSE].best=(double)999999.9;
	stats[_STAT_CLOSE].worst=(double)0.0;
	for(i=0;i<x;i++)
	{
	  sprintf(buf,"iozone_L1_%d",i);
	  ret=mkdir(buf,0777);
	  if(ret < 0)
	  {
	      printf("Mkdir failed\n");
	      exit(1);
	  }
	  chdir(buf);
	  for(j=0;j<x;j++)
	  {
	    sprintf(buf,"iozone_L1_%d_L2_%d",i,j);
	    ret=mkdir(buf,0777);
	    if(ret < 0)
	    {
	      printf("Mkdir failed\n");
	      exit(1);
	    }
	    chdir(buf);
	    for(k=0;k<x;k++)
	    {
	      sprintf(buf,"iozone_file_%d_%d_%d",i,j,k);
	      value=(char) ((i^j^k) & 0xff);
	      memset(mbuffer,value,sz);
	      stats[_STAT_CREATE].starttime=time_so_far();
	      fd=creat(buf,O_RDWR|0600);
	      if(fd < 0)
	      {
	        printf("Create failed\n");
	        exit(1);
	      }
	      stats[_STAT_CREATE].endtime=time_so_far();
	      stats[_STAT_CREATE].speed=stats[_STAT_CREATE].endtime-stats[_STAT_CREATE].starttime;
	      if(stats[_STAT_CREATE].speed < (double)0.0)
		stats[_STAT_CREATE].speed=(double)0.0;
	      stats[_STAT_CREATE].total_time+=stats[_STAT_CREATE].speed;
	      stats[_STAT_CREATE].counter++;
	      if(stats[_STAT_CREATE].speed < stats[_STAT_CREATE].best)
		 stats[_STAT_CREATE].best=stats[_STAT_CREATE].speed;
	      if(stats[_STAT_CREATE].speed > stats[_STAT_CREATE].worst)
		 stats[_STAT_CREATE].worst=stats[_STAT_CREATE].speed;

	      stats[_STAT_WRITE].starttime=time_so_far();
	      write(fd,mbuffer,sz);
	      stats[_STAT_WRITE].endtime=time_so_far();
	      stats[_STAT_WRITE].counter++;
	      stats[_STAT_WRITE].speed=stats[_STAT_WRITE].endtime-stats[_STAT_WRITE].starttime;
	      if(stats[_STAT_WRITE].speed < (double)0.0)
		stats[_STAT_WRITE].speed=(double)0.0;
	      stats[_STAT_WRITE].total_time+=stats[_STAT_WRITE].speed;
	      if(stats[_STAT_WRITE].speed < stats[_STAT_WRITE].best)
		 stats[_STAT_WRITE].best=stats[_STAT_WRITE].speed;
	      if(stats[_STAT_WRITE].speed > stats[_STAT_WRITE].worst)
		 stats[_STAT_WRITE].worst=stats[_STAT_WRITE].speed;

	      fsync(fd);
	      stats[_STAT_CLOSE].starttime=time_so_far();
	      close(fd);
	      stats[_STAT_CLOSE].endtime=time_so_far();
	      stats[_STAT_CLOSE].speed=stats[_STAT_CLOSE].endtime-stats[_STAT_CLOSE].starttime;
	      if(stats[_STAT_CLOSE].speed < (double)0.0)
		stats[_STAT_CLOSE].speed=(double)0.0;
	      stats[_STAT_CLOSE].total_time+=stats[_STAT_CLOSE].speed;
	      stats[_STAT_CLOSE].counter++;
	      if(stats[_STAT_CLOSE].speed < stats[_STAT_CLOSE].best)
		 stats[_STAT_CLOSE].best=stats[_STAT_CLOSE].speed;
	      if(stats[_STAT_CLOSE].speed > stats[_STAT_CLOSE].worst)
		 stats[_STAT_CLOSE].worst=stats[_STAT_CLOSE].speed;
	    }
	    chdir("..");
	  }
	  chdir("..");
	}
}

void 
file_stat(int x)
{
	int i,j,k,y;
	char buf[100];
	struct stat mystat;
	stats[_STAT_STAT].best=(double)99999.9;
	stats[_STAT_STAT].worst=(double)0.00000000;
	for(i=0;i<x;i++)
	{
	  sprintf(buf,"iozone_L1_%d",i);
	  chdir(buf);
	  for(j=0;j<x;j++)
	  {
	    sprintf(buf,"iozone_L1_%d_L2_%d",i,j);
	    chdir(buf);
	    for(k=0;k<x;k++)
	    {
	      sprintf(buf,"iozone_file_%d_%d_%d",i,j,k);
	      stats[_STAT_STAT].starttime=time_so_far();
	      y=stat(buf,&mystat);
	      if(y < 0)
	      {
	        printf("Stat failed\n");
	        exit(1);
	      }
	      stats[_STAT_STAT].endtime=time_so_far();
	      stats[_STAT_STAT].speed=stats[_STAT_STAT].endtime-stats[_STAT_STAT].starttime;
	      if(stats[_STAT_STAT].speed < (double)0.0)
		stats[_STAT_STAT].speed=(double)0.0;
	      stats[_STAT_STAT].total_time+=stats[_STAT_STAT].speed;
	      stats[_STAT_STAT].counter++;
	      if(stats[_STAT_STAT].speed < stats[_STAT_STAT].best)
		 stats[_STAT_STAT].best=stats[_STAT_STAT].speed;
	      if(stats[_STAT_STAT].speed > stats[_STAT_STAT].worst)
		 stats[_STAT_STAT].worst=stats[_STAT_STAT].speed;
	    }
	    chdir("..");
	  }
	  chdir("..");
	}
}

void 
file_access(int x)
{
	int i,j,k,y;
	char buf[100];
	stats[_STAT_ACCESS].best=(double)999999.9;
	stats[_STAT_ACCESS].worst=(double)0.0;
	for(i=0;i<x;i++)
	{
	  sprintf(buf,"iozone_L1_%d",i);
	  chdir(buf);
	  for(j=0;j<x;j++)
	  {
	    sprintf(buf,"iozone_L1_%d_L2_%d",i,j);
	    chdir(buf);
	    for(k=0;k<x;k++)
	    {
	      sprintf(buf,"iozone_file_%d_%d_%d",i,j,k);
	      stats[_STAT_ACCESS].starttime=time_so_far();
	      y=access(buf,W_OK|F_OK);
	      if(y < 0)
	      {
	        printf("access failed\n");
		perror("what");
	        exit(1);
	      }
	      stats[_STAT_ACCESS].endtime=time_so_far();
	      stats[_STAT_ACCESS].speed=stats[_STAT_ACCESS].endtime-stats[_STAT_ACCESS].starttime;
	      if(stats[_STAT_ACCESS].speed < (double)0.0)
		stats[_STAT_ACCESS].speed=(double)0.0;
	      stats[_STAT_ACCESS].total_time+=stats[_STAT_ACCESS].speed;
	      stats[_STAT_ACCESS].counter++;
	      if(stats[_STAT_ACCESS].speed < stats[_STAT_ACCESS].best)
		 stats[_STAT_ACCESS].best=stats[_STAT_ACCESS].speed;
	      if(stats[_STAT_ACCESS].speed > stats[_STAT_ACCESS].worst)
		 stats[_STAT_ACCESS].worst=stats[_STAT_ACCESS].speed;
	    }
	    chdir("..");
	  }
	  chdir("..");
	}
}

void 
file_chmod(int x)
{
	int i,j,k,y;
	char buf[100];
	stats[_STAT_CHMOD].best=(double)999999.9;
	stats[_STAT_CHMOD].worst=(double)0.0;
	for(i=0;i<x;i++)
	{
	  sprintf(buf,"iozone_L1_%d",i);
	  chdir(buf);
	  for(j=0;j<x;j++)
	  {
	    sprintf(buf,"iozone_L1_%d_L2_%d",i,j);
	    chdir(buf);
	    for(k=0;k<x;k++)
	    {
	      sprintf(buf,"iozone_file_%d_%d_%d",i,j,k);
	      stats[_STAT_CHMOD].starttime=time_so_far();
	      y=chmod(buf,0666);
	      if(y < 0)
	      {
	        printf("chmod failed\n");
		perror("what");
	        exit(1);
	      }
	      stats[_STAT_CHMOD].endtime=time_so_far();
	      stats[_STAT_CHMOD].speed=stats[_STAT_CHMOD].endtime-stats[_STAT_CHMOD].starttime;
	      if(stats[_STAT_CHMOD].speed < (double)0.0)
		stats[_STAT_CHMOD].speed=(double)0.0;
	      stats[_STAT_CHMOD].total_time+=stats[_STAT_CHMOD].speed;
	      stats[_STAT_CHMOD].counter++;
	      if(stats[_STAT_CHMOD].speed < stats[_STAT_CHMOD].best)
		 stats[_STAT_CHMOD].best=stats[_STAT_CHMOD].speed;
	      if(stats[_STAT_CHMOD].speed > stats[_STAT_CHMOD].worst)
		 stats[_STAT_CHMOD].worst=stats[_STAT_CHMOD].speed;
	    }
	    chdir("..");
	  }
	  chdir("..");
	}
}

void 
file_readdir(int x)
{
	int i,j,ret1;
	char buf[100];
	DIR *dirbuf;
	struct dirent *y;
	stats[_STAT_READDIR].best=(double)999999.9;
	stats[_STAT_READDIR].worst=(double)0.0;
	for(i=0;i<x;i++)
	{
	  sprintf(buf,"iozone_L1_%d",i);
	  chdir(buf);