[ { "PublicDescription": "Counts demand data loads that caused a page walk of any page size (4K/2M/4M/1G). This implies it missed in all TLB levels, but the walk need not have completed.", "EventCode": "0x08", "Counter": "0,1,2,3", "UMask": "0x1", "EventName": "DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK", "SampleAfterValue": "100003", "BriefDescription": "Load misses in all DTLB levels that cause page walks", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts page walks completed due to demand data loads whose address translations missed in the TLB and were mapped to 4K pages. The page walks can end with or without a page fault.", "EventCode": "0x08", "Counter": "0,1,2,3", "UMask": "0x2", "EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_4K", "SampleAfterValue": "2000003", "BriefDescription": "Page walk completed due to a demand data load to a 4K page", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts page walks completed due to demand data loads whose address translations missed in the TLB and were mapped to 2M/4M pages. The page walks can end with or without a page fault.", "EventCode": "0x08", "Counter": "0,1,2,3", "UMask": "0x4", "EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_2M_4M", "SampleAfterValue": "2000003", "BriefDescription": "Page walk completed due to a demand data load to a 2M/4M page", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts page walks completed due to demand data loads whose address translations missed in the TLB and were mapped to 4K pages. The page walks can end with or without a page fault.", "EventCode": "0x08", "Counter": "0,1,2,3", "UMask": "0x8", "EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_1G", "SampleAfterValue": "2000003", "BriefDescription": "Page walk completed due to a demand data load to a 1G page", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts demand data loads that caused a completed page walk of any page size (4K/2M/4M/1G). This implies it missed in all TLB levels. The page walk can end with or without a fault.", "EventCode": "0x08", "Counter": "0,1,2,3", "UMask": "0xe", "EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED", "SampleAfterValue": "100003", "BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page sizes)", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts 1 per cycle for each PMH that is busy with a page walk for a load. EPT page walk duration are excluded in Skylake microarchitecture.", "EventCode": "0x08", "Counter": "0,1,2,3", "UMask": "0x10", "EventName": "DTLB_LOAD_MISSES.WALK_PENDING", "SampleAfterValue": "2000003", "BriefDescription": "Counts 1 per cycle for each PMH that is busy with a page walk for a load. EPT page walk duration are excluded in Skylake.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page walk for a load.", "EventCode": "0x08", "Counter": "0,1,2,3", "UMask": "0x10", "EventName": "DTLB_LOAD_MISSES.WALK_ACTIVE", "SampleAfterValue": "100003", "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a load. EPT page walk duration are excluded in Skylake.", "CounterMask": "1", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts loads that miss the DTLB (Data TLB) and hit the STLB (Second level TLB).", "EventCode": "0x08", "Counter": "0,1,2,3", "UMask": "0x20", "EventName": "DTLB_LOAD_MISSES.STLB_HIT", "SampleAfterValue": "2000003", "BriefDescription": "Loads that miss the DTLB and hit the STLB.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts demand data stores that caused a page walk of any page size (4K/2M/4M/1G). This implies it missed in all TLB levels, but the walk need not have completed.", "EventCode": "0x49", "Counter": "0,1,2,3", "UMask": "0x1", "EventName": "DTLB_STORE_MISSES.MISS_CAUSES_A_WALK", "SampleAfterValue": "100003", "BriefDescription": "Store misses in all DTLB levels that cause page walks", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts page walks completed due to demand data stores whose address translations missed in the TLB and were mapped to 4K pages. The page walks can end with or without a page fault.", "EventCode": "0x49", "Counter": "0,1,2,3", "UMask": "0x2", "EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_4K", "SampleAfterValue": "100003", "BriefDescription": "Page walk completed due to a demand data store to a 4K page", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts page walks completed due to demand data stores whose address translations missed in the TLB and were mapped to 2M/4M pages. The page walks can end with or without a page fault.", "EventCode": "0x49", "Counter": "0,1,2,3", "UMask": "0x4", "EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_2M_4M", "SampleAfterValue": "100003", "BriefDescription": "Page walk completed due to a demand data store to a 2M/4M page", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts page walks completed due to demand data stores whose address translations missed in the TLB and were mapped to 1G pages. The page walks can end with or without a page fault.", "EventCode": "0x49", "Counter": "0,1,2,3", "UMask": "0x8", "EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_1G", "SampleAfterValue": "100003", "BriefDescription": "Page walk completed due to a demand data store to a 1G page", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts demand data stores that caused a completed page walk of any page size (4K/2M/4M/1G). This implies it missed in all TLB levels. The page walk can end with or without a fault.", "EventCode": "0x49", "Counter": "0,1,2,3", "UMask": "0xe", "EventName": "DTLB_STORE_MISSES.WALK_COMPLETED", "SampleAfterValue": "100003", "BriefDescription": "Store misses in all TLB levels causes a page walk that completes. (All page sizes)", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts 1 per cycle for each PMH that is busy with a page walk for a store. EPT page walk duration are excluded in Skylake microarchitecture.", "EventCode": "0x49", "Counter": "0,1,2,3", "UMask": "0x10", "EventName": "DTLB_STORE_MISSES.WALK_PENDING", "SampleAfterValue": "2000003", "BriefDescription": "Counts 1 per cycle for each PMH that is busy with a page walk for a store. EPT page walk duration are excluded in Skylake.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page walk for a store.", "EventCode": "0x49", "Counter": "0,1,2,3", "UMask": "0x10", "EventName": "DTLB_STORE_MISSES.WALK_ACTIVE", "SampleAfterValue": "100003", "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a store. EPT page walk duration are excluded in Skylake.", "CounterMask": "1", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Stores that miss the DTLB (Data TLB) and hit the STLB (2nd Level TLB).", "EventCode": "0x49", "Counter": "0,1,2,3", "UMask": "0x20", "EventName": "DTLB_STORE_MISSES.STLB_HIT", "SampleAfterValue": "100003", "BriefDescription": "Stores that miss the DTLB and hit the STLB.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts cycles for each PMH (Page Miss Handler) that is busy with an EPT (Extended Page Table) walk for any request type.", "EventCode": "0x4F", "Counter": "0,1,2,3", "UMask": "0x10", "EventName": "EPT.WALK_PENDING", "SampleAfterValue": "2000003", "BriefDescription": "Counts 1 per cycle for each PMH that is busy with a EPT (Extended Page Table) walk for any request type.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts page walks of any page size (4K/2M/4M/1G) caused by a code fetch. This implies it missed in the ITLB and further levels of TLB, but the walk need not have completed.", "EventCode": "0x85", "Counter": "0,1,2,3", "UMask": "0x1", "EventName": "ITLB_MISSES.MISS_CAUSES_A_WALK", "SampleAfterValue": "100003", "BriefDescription": "Misses at all ITLB levels that cause page walks", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts completed page walks (4K page size) caused by a code fetch. This implies it missed in the ITLB and further levels of TLB. The page walk can end with or without a fault.", "EventCode": "0x85", "Counter": "0,1,2,3", "UMask": "0x2", "EventName": "ITLB_MISSES.WALK_COMPLETED_4K", "SampleAfterValue": "100003", "BriefDescription": "Code miss in all TLB levels causes a page walk that completes. (4K)", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts code misses in all ITLB levels that caused a completed page walk (2M and 4M page sizes). The page walk can end with or without a fault.", "EventCode": "0x85", "Counter": "0,1,2,3", "UMask": "0x4", "EventName": "ITLB_MISSES.WALK_COMPLETED_2M_4M", "SampleAfterValue": "100003", "BriefDescription": "Code miss in all TLB levels causes a page walk that completes. (2M/4M)", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts store misses in all DTLB levels that cause a completed page walk (1G page size). The page walk can end with or without a fault.", "EventCode": "0x85", "Counter": "0,1,2,3", "UMask": "0x8", "EventName": "ITLB_MISSES.WALK_COMPLETED_1G", "SampleAfterValue": "100003", "BriefDescription": "Code miss in all TLB levels causes a page walk that completes. (1G)", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts completed page walks (2M and 4M page sizes) caused by a code fetch. This implies it missed in the ITLB and further levels of TLB. The page walk can end with or without a fault.", "EventCode": "0x85", "Counter": "0,1,2,3", "UMask": "0xe", "EventName": "ITLB_MISSES.WALK_COMPLETED", "SampleAfterValue": "100003", "BriefDescription": "Code miss in all TLB levels causes a page walk that completes. (All page sizes)", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts 1 per cycle for each PMH (Page Miss Handler) that is busy with a page walk for an instruction fetch request. EPT page walk duration are excluded in Skylake michroarchitecture.", "EventCode": "0x85", "Counter": "0,1,2,3", "UMask": "0x10", "EventName": "ITLB_MISSES.WALK_PENDING", "SampleAfterValue": "100003", "BriefDescription": "Counts 1 per cycle for each PMH that is busy with a page walk for an instruction fetch request. EPT page walk duration are excluded in Skylake.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Cycles when at least one PMH is busy with a page walk for code (instruction fetch) request. EPT page walk duration are excluded in Skylake microarchitecture.", "EventCode": "0x85", "Counter": "0,1,2,3", "UMask": "0x10", "EventName": "ITLB_MISSES.WALK_ACTIVE", "SampleAfterValue": "100003", "BriefDescription": "Cycles when at least one PMH is busy with a page walk for code (instruction fetch) request. EPT page walk duration are excluded in Skylake.", "CounterMask": "1", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "EventCode": "0x85", "Counter": "0,1,2,3", "UMask": "0x20", "EventName": "ITLB_MISSES.STLB_HIT", "SampleAfterValue": "100003", "BriefDescription": "Instruction fetch requests that miss the ITLB and hit the STLB.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts the number of flushes of the big or small ITLB pages. Counting include both TLB Flush (covering all sets) and TLB Set Clear (set-specific).", "EventCode": "0xAE", "Counter": "0,1,2,3", "UMask": "0x1", "EventName": "ITLB.ITLB_FLUSH", "SampleAfterValue": "100007", "BriefDescription": "Flushing of the Instruction TLB (ITLB) pages, includes 4k/2M/4M pages.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts the number of DTLB flush attempts of the thread-specific entries.", "EventCode": "0xBD", "Counter": "0,1,2,3", "UMask": "0x1", "EventName": "TLB_FLUSH.DTLB_THREAD", "SampleAfterValue": "100007", "BriefDescription": "DTLB flush attempts of the thread-specific entries", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PublicDescription": "Counts the number of any STLB flush attempts (such as entire, VPID, PCID, InvPage, CR3 write, etc.).", "EventCode": "0xBD", "Counter": "0,1,2,3", "UMask": "0x20", "EventName": "TLB_FLUSH.STLB_ANY", "SampleAfterValue": "100007", "BriefDescription": "STLB flush attempts", "CounterHTOff": "0,1,2,3,4,5,6,7" } ]