Process Treemap

psmap

#!/bin/bash

# This script generates a treemap of the current memory usage (RSS)

awkcode='
$1 == "PID" { next }
/.*/ {
    cmd = substr($0,index($0,$4));
    sub(/.*\//,"",cmd);
    gsub(/\//,"_",cmd);
    cmds[$1] = cmd;
    ppid[$1] = $2;
    size[$1] = $3;
}
END {
    for (id in cmds) {
        mem = size[id]*1024;
        path = id ":" cmds[id];
        while (id = ppid[id]) {
            path = id ":" cmds[id] "/" path;
        }
        print mem, path;
    }
}
'
ps -axo pid,ppid,rss,comm | awk "$awkcode" | npx webtreemap-cli