ps&CPU

#include <pthread.h>

void f();
int main() {
f();
return 0;
}

void f() {
int i=0;
//volatile int i=0;
while (i<100) { i=10; }
}

 

root@x:~# ps aux|grep xxx|grep -v grep
root 825 96.5 0.0 2460 724 pts/2 R+ 11:33 0:03 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 95.6 0.0 2460 724 pts/2 R+ 11:33 0:04 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 93.0 0.0 2460 724 pts/2 R+ 11:33 0:05 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 107 0.0 2460 724 pts/2 R+ 11:33 0:06 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 100 0.0 2460 724 pts/2 R+ 11:33 0:07 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 96.2 0.0 2460 724 pts/2 R+ 11:33 0:07 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 104 0.0 2460 724 pts/2 R+ 11:33 0:08 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 99.5 0.0 2460 724 pts/2 R+ 11:33 0:08 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 97.0 0.0 2460 724 pts/2 R+ 11:33 0:09 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 103 0.0 2460 724 pts/2 R+ 11:33 0:10 ./xxx
root@x:~# ps aux|grep xxx|grep -v grep
root 825 102 0.0 2460 724 pts/2 R+ 11:33 0:11 ./xxx

 

 

#include <pthread.h>

void f();
int main() {
f();
return 0;
}

void f() {
//int i=0;
volatile int i=0;
while (i<100) {
++i; i=10;
}
}    本文转自eyjian 51CTO博客，原文链接：http://blog.51cto.com/mooon/904863，如需转载请自行联系原作者