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 1//ÓÉÓÚʹÓÃgcc±àÒ룬ËùÒÔ±àÒëʱҪÁ´½ÓÉÏc++µÄ¿â£¬ÃüÁîÊÇgcc -lstdc++ main.cpp -o main
//±¾ÎÄС³ÌÐòʵÏÖµÄÊǶÔ/home/1.avi´óСµÄ¼ÆËã¡£ºÜ¼òµ¥£¬Ìù³öÀ´Ö»ÊÇΪÁË·½±ã²»ÖªµÀµÄÅóÓÑ
  2 #include <stdio.h>
  3 #include <stdlib.h>
  4 #include <sys/stat.h>
  5 #include <sys/types.h>
  6 #include <unistd.h>
  7 int main(int argc,char *argv[])
  8 {
  9     struct stat st;
 10     float size;
 11     if(stat("/home/1.avi",&st) == 0)
 12     {
 13         size =(((float)st.st_size)/1024)/1024;
 14         printf("the exe is : %f M\n",size);
 15
 16     }
 17
 18     return 0;
 19 }


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#include <list.h>
#include <dirent.h>
#include <iostream.h>
#include <sys/stat.h>
#include <sys/types.h>
/*****************************************************************
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* º¯Êý˵Ã÷: Åжϵ±Ç°path²ÎÊýÊÇ·ñΪһ¸ö¿É¶ÁµÄÎļþ
* º¯Êý·µ»Ø: 0 - Îļþ¿Ì¶È 1 - ȨÏ޾ܾø -1 -º¯Êý´íÎó
*   ²Î Êý : path Îļþ·¾¶.
***************************************************/
int isReadFile(const char *path)
{
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1. ²é¿´Âß¼­CPU¸öÊý
#pmcycles -m
CPU 0 runs at 4204 MHz
CPU 1 runs at 4204 MHz
CPU 2 runs at 4204 MHz
CPU 3 runs at 4204 MHz
CPU 4 runs at 4204 MHz
CPU 5 runs at 4204 MHz
CPU 6 runs at 4204 MHz
CPU 7 runs ......
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