[ { "BriefDescription": "Unhalted core cycles when the thread is in ring 0", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x5C", "EventName": "CPL_CYCLES.RING0", "PublicDescription": "Unhalted core cycles when the thread is in ring 0.", "SampleAfterValue": "2000003", "UMask": "0x1" }, { "BriefDescription": "Number of intervals between processor halts while thread is in ring 0", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EdgeDetect": "1", "EventCode": "0x5C", "EventName": "CPL_CYCLES.RING0_TRANS", "PublicDescription": "Number of intervals between processor halts while thread is in ring 0.", "SampleAfterValue": "100007", "UMask": "0x1" }, { "BriefDescription": "Unhalted core cycles when thread is in rings 1, 2, or 3", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x5C", "EventName": "CPL_CYCLES.RING123", "PublicDescription": "Unhalted core cycles when the thread is not in ring 0.", "SampleAfterValue": "2000003", "UMask": "0x2" }, { "BriefDescription": "Cycles when L1 and L2 are locked due to UC or split lock", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x63", "EventName": "LOCK_CYCLES.SPLIT_LOCK_UC_LOCK_DURATION", "PublicDescription": "Cycles in which the L1D and L2 are locked, due to a UC lock or split lock.", "SampleAfterValue": "2000003", "UMask": "0x1" } ]