custom widget for geckoboard

newrelic.erb

<?xml version="1.0" encoding="UTF-8"?>
<% epm = @newrelic_data["Errors"][0..-5].to_i %>
<% rpm = @newrelic_data["Throughput"][0..-5].to_i %>
<% response_time = @newrelic_data["Response Time"][0..-4].to_i %>
<% db = @newrelic_data["DB"][0..-2].to_f %>
<% cpu = @newrelic_data["CPU"][0..-2].to_f %>
<% db_time = db.to_f/100*response_time.to_f %>
<% cpu_time = cpu.to_f/100*response_time.to_f %>
<% other_time = response_time.to_f - db_time - cpu_time %>
<root>
  <item>
    <value><%= response_time %></value>
    <text>Response time (ms)</text>
  </item>
  <item>
    <value><%= epm.to_i %></value>
    <text>Errors per minute (<%= @newrelic_data["Error Rate"] %>)</text>
  </item>
  <item>
    <value><%= rpm.to_i %></value>
    <text>Requests per minute</text>
  </item>
</root>