Using the Experience Sampling Method to Evaluate Ubicomp Applications
IEEE Pervasive Computing
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HostView: annotating end-host performance measurements with user feedback
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There is much interest recently in doing automated performance diagnosis on user laptops or desktops. One interesting aspect of performance diagnosis that has received little attention is the user perspective on performance. To conduct research on both end-host performance diagnosis and user perception of network and application performance, we designed an end-host data collection tool, called HostView. HostView not only collects network, application and machine level data, but also gathers feedback directly from users. User feedback is obtained via two mechanisms, a system-triggered questionnaire and a user-triggered feedback form, that for example asks users to rate the performance of their network and applications. In this paper, we describe our experience with the first deployment of HostView. Using data from 40 users, we illustrate the diversity of our users, articulate the challenges in this line of research, and report on initial findings in correlating user data to system-level data.