1[
2    {
3        "BriefDescription": "Unhalted core cycles when the thread is in ring 0",
4        "EventCode": "0x5C",
5        "EventName": "CPL_CYCLES.RING0",
6        "PublicDescription": "This event counts the unhalted core cycles during which the thread is in the ring 0 privileged mode.",
7        "SampleAfterValue": "2000003",
8        "UMask": "0x1"
9    },
10    {
11        "BriefDescription": "Number of intervals between processor halts while thread is in ring 0",
12        "CounterMask": "1",
13        "EdgeDetect": "1",
14        "EventCode": "0x5C",
15        "EventName": "CPL_CYCLES.RING0_TRANS",
16        "PublicDescription": "This event counts when there is a transition from ring 1,2 or 3 to ring0.",
17        "SampleAfterValue": "100007",
18        "UMask": "0x1"
19    },
20    {
21        "BriefDescription": "Unhalted core cycles when thread is in rings 1, 2, or 3",
22        "EventCode": "0x5C",
23        "EventName": "CPL_CYCLES.RING123",
24        "PublicDescription": "This event counts unhalted core cycles during which the thread is in rings 1, 2, or 3.",
25        "SampleAfterValue": "2000003",
26        "UMask": "0x2"
27    },
28    {
29        "BriefDescription": "Cycles when L1 and L2 are locked due to UC or split lock",
30        "EventCode": "0x63",
31        "EventName": "LOCK_CYCLES.SPLIT_LOCK_UC_LOCK_DURATION",
32        "PublicDescription": "This event counts cycles in which the L1 and L2 are locked due to a UC lock or split lock. A lock is asserted in case of locked memory access, due to noncacheable memory, locked operation that spans two cache lines, or a page walk from the noncacheable page table. L1D and L2 locks have a very high performance penalty and it is highly recommended to avoid such access.",
33        "SampleAfterValue": "2000003",
34        "UMask": "0x1"
35    }
36]
37