使用getrusage获取进程使用系统资源信息
print?#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>
#include <time.h>
#include <unistd.h>
int main(void)
{
while(1)
{
struct rusage ru;
memset(&ru, 0, sizeof(struct rusage));
getrusage(RUSAGE_SELF, &ru);
printf("ou/inblock:%ld,%ld,snd/rcvmsg:%ld,%ld,max/ix/idrss:%ld,%ld,%ld,min/majflt:%ld,%ld,signal:%ld,nv/nivcsw:%ld,%ld,swap:%ld,utime:%lu,%lu,stime:%lu,%lu\r\n",
ru.ru_oublock, ru.ru_inblock,
ru.ru_msgsnd, ru.ru_msgrcv,
ru.ru_maxrss, ru.ru_ixrss, ru.ru_idrss,
ru.ru_minflt, ru.ru_majflt,
ru.ru_nsignals,
ru.ru_nvcsw, ru.ru_nivcsw,
ru.ru_nswap,
ru.ru_utime.tv_usec, ru.ru_utime.tv_sec,
ru.ru_stime.tv_usec, ru.ru_stime.tv_sec);
/*
ru_oublock: 块输出操作
ru_inblock: 块输入操作
ru_msgsnd: 发送的message
ru_msgrcv: 收到的message
ru_maxrss: 最大驻留集大小
ru_ixrss: 全部共享内存大小
ru_idrss:全部非共享内存大小
ru_minflt: 页回收
ru_majflt: 页失效
ru_nsignals: 收到的信号
ru_nvcsw: 主动上下文切换
ru_nivcsw: 被动上下文切换
ru_nswap: 交换区
ru_utime.tv_usec: 用户态时间 (microseconds)
ru_utime.tv_sec: 用户态时间(seconds)
ru_stime.tv_usec: 系统内核时间 (microseconds)
ru_stime.tv_sec: 系统内核时间(seconds)
*/
//do something
sleep(1);
}
return 0;
}
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>
#include <time.h>
#include <unistd.h>
int main(void)
{
while(1)
{
struct rusage ru;
memset(&ru, 0, sizeof(struct rusage));
getrusage(RUSAGE_SELF, &ru);
printf("ou/inblock:%ld,%ld,snd/rcvmsg:%ld,%ld,max/ix/idrss:%ld,%ld,%ld,min/majflt:%ld,%ld,signal:%ld,nv/nivcsw:%ld,%ld,swap:%ld,utime:%lu,%lu,stime:%lu,%lu\r\n",
ru.ru_oublock, ru.ru_inblock,
ru.ru_msgsnd, ru.ru_msgrcv,
ru.ru_maxrss, ru.ru_ixrss, ru.ru_idrss,
ru.ru_minflt, ru.ru_majflt,
ru.ru_nsignals,
ru.ru_nvcsw, ru.ru_nivcsw,
ru.ru_nswap,
ru.ru_utime.tv_usec, ru.ru_utime.tv_sec,
ru.ru_stime.tv_usec, ru.ru_stime.tv_sec);
/*
ru_oublock: 块输出操作
ru_inblock: 块输入操作
ru_msgsnd: 发送的message
ru_msgrcv: 收到的message
ru_maxrss: 最大驻留集大小
ru_ixrss: 全部共享内存大小
ru_idrss:全部非共享内存大小
ru_minflt: 页回收
ru_majflt: 页失效
ru_nsignals: 收到的信号
ru_nvcsw: 主动上下文切换
ru_nivcsw: 被动上下文切换
ru_nswap: 交换区
ru_utime.tv_usec: 用户态时间 (microseconds)
ru_utime.tv_sec: 用户态时间(seconds)
ru_stime.tv_usec: 系统内核时间 (microseconds)
ru_stime.tv_sec: 系统内核时间(seconds)
*/
//do something
sleep(1);
}
return 0;
}
补充：软件开发 , C++ ,
