anchor.diff:  #PRESET,PAPI_HW_INT,NOT_DERIVED,HW_INTERRUPTS
   #
   
  -# Intel Haswell events (and most likely also Sandy Bridge)
  +# Intel Haswell events
  +# Using also for Broadwell events, this is what the Linux kernel does
   CPU,hsw
   CPU,hsw_ep
  +CPU,bdw
   PRESET,PAPI_TOT_CYC,NOT_DERIVED,CPU_CLK_THREAD_UNHALTED:THREAD_P
   PRESET,PAPI_TOT_INS,NOT_DERIVED,INST_RETIRED:ANY_P
   PRESET,PAPI_REF_CYC,NOT_DERIVED,CPU_CLK_THREAD_UNHALTED:REF_XCLK
  
positive.code: PRESET,PAPI_CA_SNP,NOT_DERIVED,OFFCORE_RESPONSE_0:SNP_ANY
  PRESET,PAPI_CA_SHR,NOT_DERIVED,OFFCORE_REQUESTS:ALL_DATA_RD
  PRESET,PAPI_CA_CLN,NOT_DERIVED,OFFCORE_REQUESTS:DEMAND_RFO
  PRESET,PAPI_CA_INV,NOT_DERIVED,OFFCORE_RESPONSE_0:SNP_HITM
  PRESET,PAPI_CA_ITV,NOT_DERIVED,OFFCORE_RESPONSE_0:SNP_FWD
  # TLB
  PRESET,PAPI_TLB_DM,DERIVED_ADD,DTLB_LOAD_MISSES:MISS_CAUSES_A_WALK,DTLB_STORE_MISSES:MISS_CAUSES_A_WALK
  
negative.code: PRESET,PAPI_BR_MSP,NOT_DERIVED,BR_MISP_RETIRED:CONDITIONAL
  PRESET,PAPI_BR_PRC,DERIVED_SUB,BR_INST_RETIRED:CONDITIONAL,BR_MISP_RETIRED:CONDITIONAL
  PRESET,PAPI_BR_INS,NOT_DERIVED,BR_INST_RETIRED:ALL_BRANCHES
  
  CPU,hsw
  CPU,hsw_ep
  PRESET,PAPI_CA_INV,NOT_DERIVED,OFFCORE_RESPONSE_0:SNP_HITM
  CPU,bdw
  PRESET,PAPI_CA_INV,NOT_DERIVED,OFFCORE_RESPONSE_0:HITM
  
  # End of hsw list
  #
  CPU,Intel Core2
  