An example filter for use with the Grails Profiler plugin that will profile *every* request

ProfilerFilters.groovy

class ProfilerFilters {
  def profilerLog

  def filters = {
    allUri(uri:'/**') {
      before = {
        if(Environment.getCurrent().equals(Environment.DEVELOPMENT) && System.getProperty('grails.profiler.on')) {
          profilerLog.startProfiling("grails.profiler")
        }
    }
  }
}