Skip to content

Instantly share code, notes, and snippets.

@phaus phaus/plotPS.sh Secret
Last active Dec 22, 2015

Embed
What would you like to do?
#!/usr/bin/env node
var sys = require('sys')
var exec = require('child_process').exec;
var fs = require('fs');
var cmd;
switch(process.platform){
case 'darwin':
cmd = 'ps -A -c -o pid,ppid,pcpu,comm,uid -r';
break;
}
function parse(line){
var parts = line.split(" ");
var out = [];
var c = 0;
for(var i in parts){
if(parts[i].trim().length > 0){
out[c] = parts[i].trim();
c++;
}
}
return out;
}
function header(){
console.log("graph G {");
console.log("layout=twopi;");
console.log("rankdir=TB;");
console.log("nodesep=5.0;");
console.log("ratio=auto;");
console.log("ranksep=15.0;");
console.log("root=\"0\";");
console.log("0 [label=\"0\"]");
}
function scanCli(error, stdout, stderr) {
if (error) {
return console.log(error);
}
header();
var lines = stdout.split("\n");
for(var c in lines){
if(lines[c].length > 0 && c > 0){
var parts = parse(lines[c]);
var entry = {
pid: parts[0].trim(),
ppid: parts[1].trim(),
pcpu: parts[2].trim(),
cmd: parts[3].trim(),
uid: parts[4].trim()
};
console.log(entry.pid+" [label=\""+entry.cmd+" ("+entry.uid+")\"]");
console.log(entry.ppid+" -- "+entry.pid);
}
}
console.log("}");
}
function scanFile(err,data){
if (err) {
return console.log(err);
}
header();
var lines = data.split("\n");
for(var c in lines){
if(lines[c].length > 0 && c > 0){
var parts = parse(lines[c]);
var entry = {
pid: parts[0].trim(),
ppid: parts[1].trim(),
pcpu: parts[2].trim(),
cmd: parts[3].trim(),
uid: parts[4].trim()
};
console.log(entry.pid+" [label=\""+entry.cmd+" ("+entry.uid+")\"]");
console.log(entry.ppid+" -- "+entry.pid);
}
}
console.log("}");
}
if(process.argv.length == 2){
exec(cmd, scanCli);
} else {
fs.readFile(process.argv[2], 'utf8', scanFile);
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.
You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session.