Hari K. Pyla Bharath Ramesh Calvin J. Ribbens Srinidhi Varadarajan ScALPEL: A Scalable Adaptive Lightweight Performance Evaluation Library for application performance monitoring http://arxiv.org/abs/0903.0035 2009 CoRR abs/0903.0035 db/journals/corr/corr0903.html#abs-0903-0035 informal publication