| 1 | prtstat
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| 2 | ===
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| 3 |
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| 4 | 显示进程信息
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| 5 |
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| 6 | ## 补充说明
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| 7 |
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| 8 | **prtstat命令**打印指定进程的统计信息。这个信息来自/proc/PID/stat文件。
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| 9 |
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| 10 | ## 语法
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| 11 |
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| 12 | ```shell
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| 13 | prtstat [-r|--raw] pid
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| 14 | prtstat -V|--version
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| 15 | ```
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| 16 |
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| 17 | ## 例子
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| 18 |
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| 19 | ```shell
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| 20 | [root@localhost command]# ps -ef|grep nginx
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| 21 | root 4022 250867 0 16:39 pts/1 00:00:00 grep --color=auto nginx
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| 22 | root 224312 1 0 4月26 ? 00:00:00 nginx: master process /var/openresty/nginx/sbin/nginx
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| 23 | nobody 224313 224312 0 4月26 ? 00:00:00 nginx: worker process
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| 24 | [root@localhost command]# prtstat -r 224312
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| 25 | pid: 224312 comm: nginx
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| 26 | state: S ppid: 1
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| 27 | pgrp: 224312 session: 224312
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| 28 | tty_nr: 0 tpgid: -1
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| 29 | flags: 402040 minflt: 110
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| 30 | cminflt: 0 majflt: 0
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| 31 | cmajflt: 0 utime: 0
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| 32 | stime: 0 cutime: 0
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| 33 | cstime: 0 priority: 20
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| 34 | nice: 0 num_threads: 1
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| 35 | itrealvalue: 0 starttime: 6271470
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| 36 | vsize: 56369152 rss: 413
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| 37 | rsslim: 18446744073709551615 startcode: 4194304
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| 38 | endcode: 5772276 startstack: 140722783765648
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| 39 | kstkesp: 7FFC9389BFB8 kstkeip: 7F25CD42F6C6
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| 40 | wchan: 18446744071885754297 nswap: 0
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| 41 | cnswap: 18446744071885754297 exit_signal: 17
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| 42 | processor: 2 rt_priority: 0
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| 43 | policy: 0 delayaccr_blkio_ticks: 0
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| 44 | guest_time: 0 cguest_time: 0
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| 45 | ```
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| 46 |
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| 47 | ### 注意
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| 48 |
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| 49 | 1. `prtstat`命令来自于psmisc包。此包来自于base源仓库。
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| 50 | 2. psmisc.x86_64 : 用于管理系统上进程的实用程序
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| 51 |
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