proctree

Retrieve or display given a process tree

Install

`npm install -g proctree`

Functions

• getProcessTree(pid) to get process tree information
• getpids(pid) to get process ids only in an array format
• show(pid) to see process trees in a text format
• treeKill(pid) to kill all processes in the process tree

Usage With Bash Shell:

$ pstree 89982
  * 32034 node index.js
    * 32038 node node_modules/.bin/chromedriver --port=60397
      * 32039 /Users/allen.kim/github/webtest/node_modules/chromedriver/lib/chromedriver/ch ...
        * 32040 /Applications/Google Chrome.app/Contents/MacOS/Google Chrome --disable-backgr ...
          * 32045 /Applications/Google Chrome.app/Contents/Versions/60.0.3112.113/Google Chrome ...
          * 32048 /Applications/Google Chrome.app/Contents/Versions/60.0.3112.113/Google Chrome ...
          * 32050 /Applications/Google Chrome.app/Contents/Versions/60.0.3112.113/Google Chrome ...

Usage With NodeJs Program

```
var PsTree = require('proctree');
  
PsTree.getProcessTree(pid); // to get process tree object
PsTree.getPidse(pid);       // to get list of process ids
PsTree.show(pid);           // to display process tree
```

NodeJS Example:

   > PsTree.getProcessTree(32034)
   Process {
     pid: '32034',
     name: 'node index.js',
     level: 0,
     children:
      [ Process {
          pid: '32038',
          name: 'node node_modules/.bin/chromedriver --port=60397',
          level: 1,
          children: [Object] } ] }

   > PsTree.show(32034)
    * 32034 node index.js
      * 32038 node node_modules/.bin/chromedriver --port=60397
        * 32039 /Users/allen.kim/github/webtest/node_modules/chromedriver/lib/chromedriver/ch ...
          * 32040 /Applications/Google Chrome.app/Contents/MacOS/Google Chrome --disable-backgr ...
            * 32045 /Applications/Google Chrome.app/Contents/Versions/60.0.3112.113/Google Chrome ...
            * 32048 /Applications/Google Chrome.app/Contents/Versions/60.0.3112.113/Google Chrome ...
            * 32050 /Applications/Google Chrome.app/Contents/Versions/60.0.3112.113/Google Chrome ...

   > PsTree.getPids(32034)
     [ [ '32034' ], [ '32038' ], [ '32039' ], [ '32040' ], [ '32045', '32048', '32050' ] ]

   > PsTree.treeKill(32034)
     'killed 47673 47671 47668 47664 47663 47662 47658'