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.

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