[pl-seminar] Practice talk for ICSE 2010 - 3pm Friday April 23 in 1240 CS

[Piramanayagam Arumuga Nainar <arumuga@xxxxxxxxxxx>]

Hi,

I am planning to give a practice talk for ICSE 2010 today (Friday) at 
3pm.  It is in room 1240 (different from the earlier email I sent to 
some of you).  It'd be great if you can attend and give your feedback.
Title: Adaptive Bug Isolation
Abstract:
Statistical debugging uses lightweight instrumentation and statistical 
models to identify program behaviors that are strongly predictive of 
failure. However, most software is mostly correct; nearly all monitored 
behaviors are poor predictors of failure. We propose an adaptive 
monitoring strategy that mitigates the overhead associated with 
monitoring poor failure predictors. We begin by monitoring a small 
portion of the program, then automatically refine instrumentation over 
time to zero in on bugs. We formulate this approach as a search on 
control-dependence graph of the program. We present and evaluate various 
heuristics that can be used for this search. We also discuss the 
construction of a binary instrumentor for incorporating the feedback 
loop into post-deployment monitoring. Performance measurements show that 
adaptive bug isolation yields an average performance overhead of 1% for 
a class of large applications, as opposed to 87% for realistic 
sampling-based instrumentation and 300% for complete binary instrumentation.
Thanks,
-Arumuga