linux-zen-desktop/tools/perf/pmu-events/arch/s390/cf_z13/transaction.json

[
  {
    "BriefDescription": "Transaction count",
    "MetricName": "transaction",
    "MetricExpr": "TX_C_TEND + TX_NC_TEND + TX_NC_TABORT + TX_C_TABORT_SPECIAL + TX_C_TABORT_NO_SPECIAL"
  }
]