0001 [
0002 {
0003 "BriefDescription": "Machine clears due to memory ordering issue",
0004 "CollectPEBSRecord": "1",
0005 "Counter": "0,1,2,3",
0006 "EventCode": "0xC3",
0007 "EventName": "MACHINE_CLEARS.MEMORY_ORDERING",
0008 "PDIR_COUNTER": "na",
0009 "PEBScounters": "0,1,2,3",
0010 "PublicDescription": "Counts machine clears due to memory ordering issues. This occurs when a snoop request happens and the machine is uncertain if memory ordering will be preserved - as another core is in the process of modifying the data.",
0011 "SampleAfterValue": "20003",
0012 "UMask": "0x2"
0013 },
0014 {
0015 "BriefDescription": "Load uops that split a page (Precise event capable)",
0016 "CollectPEBSRecord": "2",
0017 "Counter": "0,1,2,3",
0018 "EventCode": "0x13",
0019 "EventName": "MISALIGN_MEM_REF.LOAD_PAGE_SPLIT",
0020 "PEBS": "2",
0021 "PEBScounters": "0,1,2,3",
0022 "PublicDescription": "Counts when a memory load of a uop spans a page boundary (a split) is retired.",
0023 "SampleAfterValue": "200003",
0024 "UMask": "0x2"
0025 },
0026 {
0027 "BriefDescription": "Store uops that split a page (Precise event capable)",
0028 "CollectPEBSRecord": "2",
0029 "Counter": "0,1,2,3",
0030 "EventCode": "0x13",
0031 "EventName": "MISALIGN_MEM_REF.STORE_PAGE_SPLIT",
0032 "PEBS": "2",
0033 "PEBScounters": "0,1,2,3",
0034 "PublicDescription": "Counts when a memory store of a uop spans a page boundary (a split) is retired.",
0035 "SampleAfterValue": "200003",
0036 "UMask": "0x4"
0037 }
0038 ]
