Can anybody give me a guideto use PAPI-5.1. In internet the guide I get is for 3.5.0.I have heard that in 5 support for virtualization is added.I have a grate interest to see how it works for gust and host .
Go to the PAPI website at http://icl.cs.utk.edu/papi/ and select the Documentation link. The Overview of PAPI-C should give you what you're looking for. PAPI-C is a generic name for any version of PAPI after 4.0.