anchor.diff:  #
   PRESET,PAPI_TLB_IM,NOT_DERIVED,ITLB_MISSES:ANY
   PRESET,PAPI_TLB_DM,NOT_DERIVED,DTLB_MISSES:ANY
  +PRESET,PAPI_TLB_TL,DERIVED_ADD,ITLB_MISSES:ANY, DTLB_MISSES:ANY
   #
   PRESET,PAPI_BR_TKN,NOT_DERIVED,BR_INST_EXEC:TAKEN
   PRESET,PAPI_BR_NTK,DERIVED_SUB,BR_INST_EXEC:ANY, BR_INST_EXEC:TAKEN
  
positive.code: #
  PRESET,PAPI_L1_ICM,NOT_DERIVED,L1I:MISSES
  PRESET,PAPI_L1_ICA,NOT_DERIVED,L1I:READS
  PRESET,PAPI_L1_ICH,DERIVED_SUB,L1I:HITS
  #PRESET,PAPI_L1_DCM,NOT_DERIVED,L1D_REPL
  PRESET,PAPI_L1_DCA,NOT_DERIVED,L1D_ALL_REF:ANY
  #PRESET,PAPI_L1_DCH,DERIVED_SUB,L1D_ALL_REF,L1D_REPL
  
negative.code: PRESET,PAPI_BR_MSP,NOT_DERIVED,BR_MISP_EXEC:ANY
  PRESET,PAPI_BR_CN,NOT_DERIVED,BR_INST_EXEC:COND
  PRESET,PAPI_BR_UCN,NOT_DERIVED,BR_INST_EXEC:DIRECT
  PRESET,PAPI_BR_PRC,DERIVED_SUB,BR_INST_EXEC:COND, BR_MISP_EXEC:COND
  #
  PRESET,PAPI_TOT_IIS,NOT_DERIVED,MACRO_INSTS:DECODED
  #PRESET,PAPI_HW_INT,NOT_DERIVED,HW_INT_RCV
  