FM / lib

/usr/local/lib/node_modules/pm2/node_modules/pm2-sysmonit/node_modules/pidusage/lib/

/usr/local/lib/node_modules/pm2/node_modules/pm2-sysmonit/node_modules/pidusage/lib

Name	Size	Mode	Actions
helpers/	-	0755	rm
bin.js	888	0644	edit dl rm
history.js	1729	0644	edit dl rm
procfile.js	3891	0644	edit dl rm
ps.js	3730	0644	edit dl rm
stats.js	1812	0644	edit dl rm
wmic.js	4049	0644	edit dl rm

Edit: /usr/local/lib/node_modules/pm2/node_modules/pm2-sysmonit/node_modules/pidusage/lib/ps.js (3730B)

'use strict'

var os = require('os')
var bin = require('./bin')
var history = require('./history')

var PLATFORM = os.platform()

function parseTime (timestr, centisec) {
  var time = 0
  var tpart = timestr.split(/-|:|\./)
  var i = tpart.length - 1
  if (i >= 0 && centisec && PLATFORM === 'darwin') {
    time += parseInt(tpart[i--], 10) * 10
  }
  if (i >= 0) { // Seconds
    time += parseInt(tpart[i--], 10) * 1000
  }
  if (i >= 0) { // Minutes
    time += parseInt(tpart[i--], 10) * 60000
  }
  if (i >= 0) { // Hours
    time += parseInt(tpart[i--], 10) * 3600000
  }
  if (i >= 0) { // Days
    time += parseInt(tpart[i--], 10) * 86400000
  }
  return time
}

/**
  * Get pid informations through ps command.
  * @param  {Number[]} pids
  * @param  {Object} options
  * @param  {Function} done(err, stat)
  */
function ps (pids, options, done) {
  var pArg = pids.join(',')
  var args = ['-o', 'etime,pid,ppid,pcpu,rss,time', '-p', pArg]

if (PLATFORM === 'aix') {
    args = ['-o', 'etime,pid,ppid,pcpu,rssize,time', '-p', pArg]
  }

bin('ps', args, function (err, stdout, code) {
    if (err) return done(err)
    if (code === 1) {
      const error = new Error('No matching pid found')
      error.code = 'ENOENT'
      return done(error)
    }
    if (code !== 0) {
      return done(new Error('pidusage ps command exited with code ' + code))
    }
    var date = Date.now()

// Example of stdout on *nix.
    // ELAPSED: format is [[dd-]hh:]mm:ss
    // RSS: is counted as blocks of 1024 bytes
    // TIME: format is [[dd-]hh:]mm:ss
    // %CPU: goes from 0 to vcore * 100
    //
    // Refs: http://www.manpages.info/linux/ps.1.html
    // NB: The columns are returned in the order given inside the -o option
    //
    //    ELAPSED   PID  PPID  %CPU     RSS        TIME
    // 2-40:50:53   430     1   3.0    5145  1-02:03:04
    //   40:50:53   432   430   0.0    2364  1-01:02:03
    //   01:50:50   727     1  10.0  348932       14:27
    //      00:20  7166     1   0.1    3756        0:00

// Example of stdout on Darwin
    // ELAPSED: format is [[dd-]hh:]mm:ss
    // RSS: is counted as blocks of 1024 bytes
    // TIME: format is [[dd-]hh:]mm:ss.cc (cc are centiseconds)
    // %CPU: goes from 0 to vcore * 100
    //
    // Refs: https://ss64.com/osx/ps.html
    // NB: The columns are returned in the order given inside the -o option
    //
    //    ELAPSED   PID  PPID  %CPU     RSS           TIME
    // 2-40:50:53   430     1   3.0    5145  1-02:03:04.07
    //   40:50:53   432   430   0.0    2364  1-01:02:03.10
    //   01:50:50   727     1  10.0  348932       14:27.26
    //      00:20  7166     1   0.1    3756        0:00.02

stdout = stdout.split(os.EOL)

var statistics = {}
    for (var i = 1; i < stdout.length; i++) {
      var line = stdout[i].trim().split(/\s+/)

if (!line || line.length !== 6) {
        continue
      }

var pid = parseInt(line[1], 10)
      var hst = history.get(pid, options.maxage)
      if (hst === undefined) hst = {}

var ppid = parseInt(line[2], 10)
      var memory = parseInt(line[4], 10) * 1024
      var etime = parseTime(line[0])
      var ctime = parseTime(line[5], true)

var total = (ctime - (hst.ctime || 0))
      // time elapsed between calls in seconds
      var seconds = Math.abs(hst.elapsed !== undefined ? etime - hst.elapsed : etime)
      var cpu = seconds > 0 ? (total / seconds) * 100 : 0

statistics[pid] = {
        cpu: cpu,
        memory: memory,
        ppid: ppid,
        pid: pid,
        ctime: ctime,
        elapsed: etime,
        timestamp: date
      }

history.set(pid, statistics[pid], options.maxage)
    }

done(null, statistics)
  })
}

module.exports = ps

cmd: