xref: /linux/tools/perf/pmu-events/arch/x86/tigerlake/uncore-memory.json (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
1[
2    {
3        "BriefDescription": "Counts every read (RdCAS) issued by the Memory Controller to DRAM (sum of all channels). All requests result in 64 byte data transfers from DRAM.",
4        "Counter": "1",
5        "EventCode": "0xff",
6        "EventName": "UNC_MC0_RDCAS_COUNT_FREERUN",
7        "PerPkg": "1",
8        "UMask": "0x20",
9        "Unit": "imc_free_running_0"
10    },
11    {
12        "BriefDescription": "Counts every 64B read and write request entering the Memory Controller to DRAM (sum of all channels). Each write request counts as a new request incrementing this counter. However, same cache line write requests (both full and partial) are combined to a single 64 byte data transfer to DRAM.",
13        "Counter": "0",
14        "EventCode": "0xff",
15        "EventName": "UNC_MC0_TOTAL_REQCOUNT_FREERUN",
16        "PerPkg": "1",
17        "UMask": "0x10",
18        "Unit": "imc_free_running_0"
19    },
20    {
21        "BriefDescription": "Counts every write (WrCAS) issued by the Memory Controller to DRAM (sum of all channels). All requests result in 64 byte data transfers from DRAM.",
22        "Counter": "2",
23        "EventCode": "0xff",
24        "EventName": "UNC_MC0_WRCAS_COUNT_FREERUN",
25        "PerPkg": "1",
26        "UMask": "0x30",
27        "Unit": "imc_free_running_0"
28    },
29    {
30        "BriefDescription": "Counts every read (RdCAS) issued by the Memory Controller to DRAM (sum of all channels). All requests result in 64 byte data transfers from DRAM.",
31        "Counter": "4",
32        "EventCode": "0xff",
33        "EventName": "UNC_MC1_RDCAS_COUNT_FREERUN",
34        "PerPkg": "1",
35        "UMask": "0x20",
36        "Unit": "imc_free_running_1"
37    },
38    {
39        "BriefDescription": "Counts every 64B read and write request entering the Memory Controller to DRAM (sum of all channels). Each write request counts as a new request incrementing this counter. However, same cache line write requests (both full and partial) are combined to a single 64 byte data transfer to DRAM.",
40        "Counter": "3",
41        "EventCode": "0xff",
42        "EventName": "UNC_MC1_TOTAL_REQCOUNT_FREERUN",
43        "PerPkg": "1",
44        "UMask": "0x10",
45        "Unit": "imc_free_running_1"
46    },
47    {
48        "BriefDescription": "Counts every write (WrCAS) issued by the Memory Controller to DRAM (sum of all channels). All requests result in 64 byte data transfers from DRAM.",
49        "Counter": "5",
50        "EventCode": "0xff",
51        "EventName": "UNC_MC1_WRCAS_COUNT_FREERUN",
52        "PerPkg": "1",
53        "UMask": "0x30",
54        "Unit": "imc_free_running_1"
55    }
56]
57