drivers/server/src/main/resources/app/view/memory/memory.html

<!-- partial HTML -->
<div id="ov-memory">
    <div id="chart-loader" ng-show="!devId && showLoader">
        No Servers
    </div>
    <div ng-show="!devId">
        <canvas id="bar" class="chart chart-bar" chart-data="data"
                chart-labels="labels" chart-legend="true" chart-click="onClick"
                chart-series="series" chart-options="options" height="100%">
        </canvas>
    </div>
    <div ng-show="devId">
        <h2>
            Chart for Device {{devId || "(No device selected)"}}
        </h2>
        <div class="ctrl-btns">
            <select ng-options="deviceId as deviceId for deviceId in deviceIds"
                    ng-model="selectedItem" ng-change="onChange(selectedItem)">
                <option value="">-- select a device --</option>
            </select>
        </div>
        <canvas id="line" class="chart chart-line" chart-data="data"
                chart-labels="labels" chart-legend="true"
                chart-series="series" chart-options="options" height="100%">
        </canvas>
    </div>
</div>