monitor_config.json

{
    "monitor": [
        {
            "height": 5,
            "charts": [
                {
                    "title": "total CPU Load",
                    "frequency": 1,
                    "command": "top -bn1 | grep load | awk '{printf \"%f\", $(NF-2)/8}'",
                    "delimiter": "\t",
                    "plotSpec": "G"
                }
            ]
        },
        {
            "height": 0,
            "charts": [
                {
                    "title": "CPU 1-2",
                    "frequency": 1,
                    "command": "top -bn1 -1 | awk -F \",\" 'NR==3,NR==4{printf \"%f\t\", 100-$4}'",
                    "delimiter": "\t",
                    "plotSpec": "L."
                },
                {
                    "title": "CPU 3-4",
                    "frequency": 1,
                    "command": "top -bn1 -1 | awk -F \",\" 'NR==4,NR==5{printf \"%f\t\", 100-$4}'",
                    "delimiter": "\t",
                    "plotSpec": "L."
                },
                {
                    "title": "CPU 5-8",
                    "frequency": 1,
                    "command": "top -bn1 -1 | awk -F \",\" 'NR==7,NR==10{printf \"%f\t\", 100-$4}'",
                    "delimiter": "\t",
                    "plotSpec": "L..."
                }
            ]
        },
        {
            "height": 0,
            "charts": [
                {
                    "title": "Memory/Swap Space",
                    "frequency": 1,
                    "command": "free -m | awk 'NR==2,NR==3{printf \"%f\t\", $3/$2 }'",
                    "delimiter": "\t",
                    "plotSpec": "L."
                }
            ]
        }
    ]
}