gpu metrics for telegraf and chronograf

gpu_mem.json

{
	"id": "20850d4a-310a-4ab7-b33d-d33528b832af",
	"measurement": "gpu_mycollector",
	"app": "gpu_mem",
			"cells": [{
		"x": 0,
		"y": 0,
		"w": 4,
		"h": 4,
		"i": "da71e439-25ac-4bf7-9276-697ff69e1604",
		"name": "GPU Memory Usage",
		"queries": [{
			"query": "select mean(\"memory_used\") / 1000 as \"memory_used\" from gpu_mycollector",
			"groupbys": ["\"gpu\""],
			"wheres": []
				}]
			}]
}

gpu_stat.sh

#!/bin/bash
nvidia-smi --format=csv,noheader,nounits --query-gpu=uuid,name,memory.total,memory.used,memory.free,temperature.gpu | awk -F", " '{gsub(/ /,"_",$2); print "gpu,gpu="NR-1",gpu_name="$2,"memory_total="$3",memory_used="$4",memory_free="$5}'