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<h1 align="center"> pidtree </h1>  <a href="https://www.npmjs.com/package/pidtree"> <img src="https://img.shields.io/npm/v/pidtree.svg" alt="Latest version on npm" /> </a>  <a href="https://npm-stat.com/charts.html?package=pidtree"> <img src="https://img.shields.io/npm/dt/pidtree.svg" alt="Downloads on npm" /> </a>  <a href="https://github.com/simonepri/pidtree/tree/master/license"> <img src="https://img.shields.io/github/license/simonepri/pidtree.svg" alt="Project license" /> </a>  <a href="https://github.com/simonepri/pidtree/actions?query=workflow:lint+branch:master"> <img src="https://github.com/simonepri/pidtree/workflows/lint/badge.svg?branch=master" alt="Lint status" /> </a>  <a href="https://github.com/simonepri/pidtree/actions?query=workflow:test-macos+branch:master"> <img src="https://github.com/simonepri/pidtree/workflows/test-macos/badge.svg?branch=master" alt="Test macOS status" /> </a>  <a href="https://github.com/simonepri/pidtree/actions?query=workflow:test-ubuntu+branch:master"> <img src="https://github.com/simonepri/pidtree/workflows/test-ubuntu/badge.svg?branch=master" alt="Test Ubuntu status" /> </a>  <a href="https://github.com/simonepri/pidtree/actions?query=workflow:test-windows+branch:master"> <img src="https://github.com/simonepri/pidtree/workflows/test-windows/badge.svg?branch=master" alt="Test Windows status" /> </a>  <a href="https://codecov.io/gh/simonepri/pidtree"> <img src="https://img.shields.io/codecov/c/github/simonepri/pidtree/master.svg" alt="Codecov Coverage report" /> </a>  <a href="https://snyk.io/test/github/simonepri/pidtree?targetFile=package.json"> <img src="https://snyk.io/test/github/simonepri/pidtree/badge.svg?targetFile=package.json" alt="Known Vulnerabilities" /> </a>  <a href="https://github.com/xojs/xo"> <img src="https://img.shields.io/badge/code_style-XO+Prettier-5ed9c7.svg" alt="XO Code Style used" /> </a>  <a href="https://github.com/avajs/ava"> <img src="https://img.shields.io/badge/test_runner-AVA-fb3170.svg" alt="AVA Test Runner used" /> </a>  <a href="https://github.com/istanbuljs/nyc"> <img src="https://img.shields.io/badge/test_coverage-NYC-fec606.svg" alt="Istanbul Test Coverage used" /> </a>  <a href="https://github.com/simonepri/ni"> <img src="https://img.shields.io/badge/initialized_with-ni-e74c3c.svg" alt="NI Scaffolding System used" /> </a>  <a href="https://github.com/sindresorhus/np"> <img src="https://img.shields.io/badge/released_with-np-6c8784.svg" alt="NP Release System used" /> </a> 🚸 Cross platform children list of a PID. Coded with ❤️ by <a href="#authors">Simone Primarosa</a>.

Synopsis

This package is really similar to ps-tree but is faster, safer and provides sub-children results.
Furthermore ps-tree is unmaintained.

Uuh, and a fancy CLI is also available!

Usage

var pidtree = require('pidtree')

// Get childs of current process
pidtree(process.pid, function (err, pids) {
  console.log(pids)
  // => []
})

// Include the given pid in the result array
pidtree(process.pid, {root: true}, function (err, pids) {
  console.log(pids)
  // => [727]
})

// Get all the processes of the System (-1 is a special value of this package)
pidtree(-1, function (err, pids) {
  console.log(pids)
  // => [530, 42, ..., 41241]
})

// Include PPID in the results
pidtree(1, {advanced: true}, function (err, pids) {
  console.log(pids)
  // => [{ppid: 1, pid: 530}, {ppid: 1, pid: 42}, ..., {ppid: 1, pid: 41241}]
})

// If no callback is given it returns a promise instead
const pids = await pidtree(1)
console.log(pids)
// => [141, 42, ..., 15242]

Compatibility

Linux	FreeBSD	NetBSD	SunOS	macOS	Win	AIX
✅	❓	❓	❓	✅	✅	❓

✅ = Working ❓ = Not tested but should work

Please if your platform is not supported file an issue.

CLI

<img src="https://github.com/simonepri/pidtree/raw/master/media/cli.gif" alt="pidtree cli" width="300" align="right"/> Show a tree of the processes inside your system inside your terminal.

npx pidtree $PPID

Just replace $PPID with one of the pids inside your system.

Or don't pass anything if you want all the pids inside your system.

npx pidtree

To display the output as a list, similar to the one produced from pgrep -P $PID, pass the --list flag.

npx pidtree --list

API

pidtree(pid, [options], [callback]) ⇒ <code>[Promise.<Array.<Object>>]</code>

Get the list of children pids of the given pid.

Kind: global function
Returns: <code>Promise.<Array.<Object>></code> - Only when the callback is not provided.
Access: public

Param	Type	Default	Description
pid	<code>Number</code> \| <code>String</code>		A pid. If -1 will return all the pids.
[options]	<code>Object</code>		Optional options object.
[options.root]	<code>Boolean</code>	<code>false</code>	Include the provided pid in the list. Ignored if -1 is passed as pid.
[callback]	<code>function</code>		Called when the list is ready. If not provided a promise is returned instead.

pidusage - Cross-platform process cpu % and memory usage of a PID

Authors

Simone Primarosa - simonepri

See also the list of contributors who participated in this project.

License

This project is licensed under the MIT License - see the license file for details.