进程 の 内存和父进程

在嵌入式系统中，内存非常宝贵，监控内存情况是必做工作之一。

• proc @ kernel.org；
• proc @ wikipedia；
• /proc/meminfo

父进程

• ps -ef|grep superd |grep -v grep | awk '{print $1}'
• cat /proc/32036/status | grep PPid | awk '{print $2}'
• How to get parent PID of a given process in GNU/Linux from command line？

/proc/$PID>/statm

• statm
  Process memory status information
  The statm file contains more detailed information about the process
  memory usage. Its seven fields are explained in Table statm.