外贸网站wordpress加ssl,内江规划建设教育网站,千度搜索引擎,开展网络营销的方式现在多CPU的趋势越来越大了. 有时候为了更好地操作机器, 需要将某个进程绑定到具体的CPU上去. 下面给出了一个进程绑定到具体的CPU上去的一个例子.cpu.c[CODE]#include#include#include#include#include#define __USE_GNU#include#include#includeint main(int argc, char* arg…现在多CPU的趋势越来越大了. 有时候为了更好地操作机器, 需要将某个进程绑定到具体的CPU上去. 下面给出了一个进程绑定到具体的CPU上去的一个例子.cpu.c[CODE]#include#include#include#include#include#define __USE_GNU#include#include#includeint main(int argc, char* argv[]){int num sysconf(_SC_NPROCESSORS_CONF);int created_thread 0;int myid;int i;int j 0;cpu_set_t mask;cpu_set_t get;if (argc ! 2){printf(usage : ./cpu num\n); //输入要绑定的CPU序号exit(1);}myid atoi(argv[1]);printf(system has %i processor(s). \n, num);CPU_ZERO(mask);CPU_SET(myid, mask);if (sched_setaffinity(0, sizeof(mask), mask) -1) //绑定到CPU{printf(warning: could not set CPU affinity, continuing...\n);}while (1){CPU_ZERO(get);if (sched_getaffinity(0, sizeof(get), get) -1){printf(warning: cound not get cpu affinity, continuing...\n);}for (i 0; i {if (CPU_ISSET(i, get)){printf(this process %d is running processor : %d\n,getpid(), i);}}}return 0;}
