PAPI papers

• Proposed sampling interface changes
  PAPI PEBS and IBS (1 August 2016)
• Proposed changes in PAPI 6.0
  papi_v6_changes.pdf (9 June 2014)
• Changes in PAPI 5.0
  papi_v5_changes.pdf (21 June 2012)
• Proposed ABI Changes for PAPI v5
  papi_abi_changes.pdf (13 March 2012)
• PAPI Component Writing Documentation
  papi_components.pdf (21 June 2012)