Staging
v0.8.1
v0.8.1
https://github.com/torvalds/linux
Tip revision: 1c163f4c7b3f621efff9b28a47abb36f7378d783 authored by Linus Torvalds on 03 March 2019, 23:21:29 UTC
Linux 5.0
Linux 5.0
Tip revision: 1c163f4
virtual-memory.json
[
{
"PublicDescription": "Misses in all TLB levels that cause a page walk of any page size.",
"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": "Completed page walks due to demand load misses that caused 4K page walks in any TLB levels.",
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0x2",
"EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_4K",
"SampleAfterValue": "2000003",
"BriefDescription": "Demand load Miss in all translation lookaside buffer (TLB) levels causes a page walk that completes (4K).",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Completed page walks due to demand load misses that caused 2M/4M page walks in any TLB levels.",
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0x4",
"EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_2M_4M",
"SampleAfterValue": "2000003",
"BriefDescription": "Demand load Miss in all translation lookaside buffer (TLB) levels causes a page walk that completes (2M/4M).",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0x8",
"EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_1G",
"SampleAfterValue": "2000003",
"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (1G)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Completed page walks in any TLB of any page size due to demand load misses.",
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0xe",
"EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED",
"SampleAfterValue": "100003",
"BriefDescription": "Demand load Miss in all translation lookaside buffer (TLB) levels causes a page walk that completes of any page size.",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "This event counts cycles when the page miss handler (PMH) is servicing page walks caused by DTLB load misses.",
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0x10",
"EventName": "DTLB_LOAD_MISSES.WALK_DURATION",
"SampleAfterValue": "2000003",
"BriefDescription": "Cycles when PMH is busy with page walks",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "This event counts load operations from a 4K page that miss the first DTLB level but hit the second and do not cause page walks.",
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0x20",
"EventName": "DTLB_LOAD_MISSES.STLB_HIT_4K",
"SampleAfterValue": "2000003",
"BriefDescription": "Load misses that miss the DTLB and hit the STLB (4K)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "This event counts load operations from a 2M page that miss the first DTLB level but hit the second and do not cause page walks.",
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0x40",
"EventName": "DTLB_LOAD_MISSES.STLB_HIT_2M",
"SampleAfterValue": "2000003",
"BriefDescription": "Load misses that miss the DTLB and hit the STLB (2M)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Number of cache load STLB hits. No page walk.",
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0x60",
"EventName": "DTLB_LOAD_MISSES.STLB_HIT",
"SampleAfterValue": "2000003",
"BriefDescription": "Load operations that miss the first DTLB level but hit the second and do not cause page walks",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "DTLB demand load misses with low part of linear-to-physical address translation missed.",
"EventCode": "0x08",
"Counter": "0,1,2,3",
"UMask": "0x80",
"EventName": "DTLB_LOAD_MISSES.PDE_CACHE_MISS",
"SampleAfterValue": "100003",
"BriefDescription": "DTLB demand load misses with low part of linear-to-physical address translation missed",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Miss in all TLB levels causes a page walk of any page size (4K/2M/4M/1G).",
"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": "Completed page walks due to store misses in one or more TLB levels of 4K page structure.",
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0x2",
"EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_4K",
"SampleAfterValue": "100003",
"BriefDescription": "Store miss in all TLB levels causes a page walk that completes. (4K)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Completed page walks due to store misses in one or more TLB levels of 2M/4M page structure.",
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0x4",
"EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_2M_4M",
"SampleAfterValue": "100003",
"BriefDescription": "Store misses in all DTLB levels that cause completed page walks (2M/4M)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0x8",
"EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_1G",
"SampleAfterValue": "100003",
"BriefDescription": "Store misses in all DTLB levels that cause completed page walks. (1G)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Completed page walks due to store miss in any TLB levels of any page size (4K/2M/4M/1G).",
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0xe",
"EventName": "DTLB_STORE_MISSES.WALK_COMPLETED",
"SampleAfterValue": "100003",
"BriefDescription": "Store misses in all DTLB levels that cause completed page walks",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "This event counts cycles when the page miss handler (PMH) is servicing page walks caused by DTLB store misses.",
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0x10",
"EventName": "DTLB_STORE_MISSES.WALK_DURATION",
"SampleAfterValue": "100003",
"BriefDescription": "Cycles when PMH is busy with page walks",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "This event counts store operations from a 4K page that miss the first DTLB level but hit the second and do not cause page walks.",
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0x20",
"EventName": "DTLB_STORE_MISSES.STLB_HIT_4K",
"SampleAfterValue": "100003",
"BriefDescription": "Store misses that miss the DTLB and hit the STLB (4K)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "This event counts store operations from a 2M page that miss the first DTLB level but hit the second and do not cause page walks.",
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0x40",
"EventName": "DTLB_STORE_MISSES.STLB_HIT_2M",
"SampleAfterValue": "100003",
"BriefDescription": "Store misses that miss the DTLB and hit the STLB (2M)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Store operations that miss the first TLB level but hit the second and do not cause page walks.",
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0x60",
"EventName": "DTLB_STORE_MISSES.STLB_HIT",
"SampleAfterValue": "100003",
"BriefDescription": "Store operations that miss the first TLB level but hit the second and do not cause page walks",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "DTLB store misses with low part of linear-to-physical address translation missed.",
"EventCode": "0x49",
"Counter": "0,1,2,3",
"UMask": "0x80",
"EventName": "DTLB_STORE_MISSES.PDE_CACHE_MISS",
"SampleAfterValue": "100003",
"BriefDescription": "DTLB store misses with low part of linear-to-physical address translation missed",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"EventCode": "0x4f",
"Counter": "0,1,2,3",
"UMask": "0x10",
"EventName": "EPT.WALK_CYCLES",
"SampleAfterValue": "2000003",
"BriefDescription": "Cycle count for an Extended Page table walk.",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Misses in ITLB that causes a page walk of any page size.",
"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": "Completed page walks due to misses in ITLB 4K page entries.",
"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": "Completed page walks due to misses in ITLB 2M/4M page entries.",
"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"
},
{
"EventCode": "0x85",
"Counter": "0,1,2,3",
"UMask": "0x8",
"EventName": "ITLB_MISSES.WALK_COMPLETED_1G",
"SampleAfterValue": "100003",
"BriefDescription": "Store miss in all TLB levels causes a page walk that completes. (1G)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Completed page walks in ITLB of any page size.",
"EventCode": "0x85",
"Counter": "0,1,2,3",
"UMask": "0xe",
"EventName": "ITLB_MISSES.WALK_COMPLETED",
"SampleAfterValue": "100003",
"BriefDescription": "Misses in all ITLB levels that cause completed page walks",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "This event counts cycles when the page miss handler (PMH) is servicing page walks caused by ITLB misses.",
"EventCode": "0x85",
"Counter": "0,1,2,3",
"UMask": "0x10",
"EventName": "ITLB_MISSES.WALK_DURATION",
"SampleAfterValue": "100003",
"BriefDescription": "Cycles when PMH is busy with page walks",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "ITLB misses that hit STLB (4K).",
"EventCode": "0x85",
"Counter": "0,1,2,3",
"UMask": "0x20",
"EventName": "ITLB_MISSES.STLB_HIT_4K",
"SampleAfterValue": "100003",
"BriefDescription": "Core misses that miss the DTLB and hit the STLB (4K)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "ITLB misses that hit STLB (2M).",
"EventCode": "0x85",
"Counter": "0,1,2,3",
"UMask": "0x40",
"EventName": "ITLB_MISSES.STLB_HIT_2M",
"SampleAfterValue": "100003",
"BriefDescription": "Code misses that miss the DTLB and hit the STLB (2M)",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "ITLB misses that hit STLB. No page walk.",
"EventCode": "0x85",
"Counter": "0,1,2,3",
"UMask": "0x60",
"EventName": "ITLB_MISSES.STLB_HIT",
"SampleAfterValue": "100003",
"BriefDescription": "Operations that miss the first ITLB level but hit the second and do not cause any page walks",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Counts the number of ITLB flushes, includes 4k/2M/4M pages.",
"EventCode": "0xae",
"Counter": "0,1,2,3",
"UMask": "0x1",
"EventName": "ITLB.ITLB_FLUSH",
"SampleAfterValue": "100003",
"BriefDescription": "Flushing of the Instruction TLB (ITLB) pages, includes 4k/2M/4M pages.",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Number of DTLB page walker loads that hit in the L1+FB.",
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x11",
"EventName": "PAGE_WALKER_LOADS.DTLB_L1",
"SampleAfterValue": "2000003",
"BriefDescription": "Number of DTLB page walker hits in the L1+FB",
"CounterHTOff": "0,1,2,3"
},
{
"PublicDescription": "Number of DTLB page walker loads that hit in the L2.",
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x12",
"EventName": "PAGE_WALKER_LOADS.DTLB_L2",
"SampleAfterValue": "2000003",
"BriefDescription": "Number of DTLB page walker hits in the L2",
"CounterHTOff": "0,1,2,3"
},
{
"PublicDescription": "Number of DTLB page walker loads that hit in the L3.",
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x14",
"Errata": "HSD25",
"EventName": "PAGE_WALKER_LOADS.DTLB_L3",
"SampleAfterValue": "2000003",
"BriefDescription": "Number of DTLB page walker hits in the L3 + XSNP",
"CounterHTOff": "0,1,2,3"
},
{
"PublicDescription": "Number of DTLB page walker loads from memory.",
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x18",
"Errata": "HSD25",
"EventName": "PAGE_WALKER_LOADS.DTLB_MEMORY",
"SampleAfterValue": "2000003",
"BriefDescription": "Number of DTLB page walker hits in Memory",
"CounterHTOff": "0,1,2,3"
},
{
"PublicDescription": "Number of ITLB page walker loads that hit in the L1+FB.",
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x21",
"EventName": "PAGE_WALKER_LOADS.ITLB_L1",
"SampleAfterValue": "2000003",
"BriefDescription": "Number of ITLB page walker hits in the L1+FB",
"CounterHTOff": "0,1,2,3"
},
{
"PublicDescription": "Number of ITLB page walker loads that hit in the L2.",
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x22",
"EventName": "PAGE_WALKER_LOADS.ITLB_L2",
"SampleAfterValue": "2000003",
"BriefDescription": "Number of ITLB page walker hits in the L2",
"CounterHTOff": "0,1,2,3"
},
{
"PublicDescription": "Number of ITLB page walker loads that hit in the L3.",
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x24",
"Errata": "HSD25",
"EventName": "PAGE_WALKER_LOADS.ITLB_L3",
"SampleAfterValue": "2000003",
"BriefDescription": "Number of ITLB page walker hits in the L3 + XSNP",
"CounterHTOff": "0,1,2,3"
},
{
"PublicDescription": "Number of ITLB page walker loads from memory.",
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x28",
"Errata": "HSD25",
"EventName": "PAGE_WALKER_LOADS.ITLB_MEMORY",
"SampleAfterValue": "2000003",
"BriefDescription": "Number of ITLB page walker hits in Memory",
"CounterHTOff": "0,1,2,3"
},
{
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x41",
"EventName": "PAGE_WALKER_LOADS.EPT_DTLB_L1",
"SampleAfterValue": "2000003",
"BriefDescription": "Counts the number of Extended Page Table walks from the DTLB that hit in the L1 and FB.",
"CounterHTOff": "0,1,2,3"
},
{
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x42",
"EventName": "PAGE_WALKER_LOADS.EPT_DTLB_L2",
"SampleAfterValue": "2000003",
"BriefDescription": "Counts the number of Extended Page Table walks from the DTLB that hit in the L2.",
"CounterHTOff": "0,1,2,3"
},
{
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x44",
"EventName": "PAGE_WALKER_LOADS.EPT_DTLB_L3",
"SampleAfterValue": "2000003",
"BriefDescription": "Counts the number of Extended Page Table walks from the DTLB that hit in the L3.",
"CounterHTOff": "0,1,2,3"
},
{
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x48",
"EventName": "PAGE_WALKER_LOADS.EPT_DTLB_MEMORY",
"SampleAfterValue": "2000003",
"BriefDescription": "Counts the number of Extended Page Table walks from the DTLB that hit in memory.",
"CounterHTOff": "0,1,2,3"
},
{
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x81",
"EventName": "PAGE_WALKER_LOADS.EPT_ITLB_L1",
"SampleAfterValue": "2000003",
"BriefDescription": "Counts the number of Extended Page Table walks from the ITLB that hit in the L1 and FB.",
"CounterHTOff": "0,1,2,3"
},
{
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x82",
"EventName": "PAGE_WALKER_LOADS.EPT_ITLB_L2",
"SampleAfterValue": "2000003",
"BriefDescription": "Counts the number of Extended Page Table walks from the ITLB that hit in the L2.",
"CounterHTOff": "0,1,2,3"
},
{
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x84",
"EventName": "PAGE_WALKER_LOADS.EPT_ITLB_L3",
"SampleAfterValue": "2000003",
"BriefDescription": "Counts the number of Extended Page Table walks from the ITLB that hit in the L2.",
"CounterHTOff": "0,1,2,3"
},
{
"EventCode": "0xBC",
"Counter": "0,1,2,3",
"UMask": "0x88",
"EventName": "PAGE_WALKER_LOADS.EPT_ITLB_MEMORY",
"SampleAfterValue": "2000003",
"BriefDescription": "Counts the number of Extended Page Table walks from the ITLB that hit in memory.",
"CounterHTOff": "0,1,2,3"
},
{
"PublicDescription": "DTLB flush attempts of the thread-specific entries.",
"EventCode": "0xBD",
"Counter": "0,1,2,3",
"UMask": "0x1",
"EventName": "TLB_FLUSH.DTLB_THREAD",
"SampleAfterValue": "100003",
"BriefDescription": "DTLB flush attempts of the thread-specific entries",
"CounterHTOff": "0,1,2,3,4,5,6,7"
},
{
"PublicDescription": "Count number of STLB flush attempts.",
"EventCode": "0xBD",
"Counter": "0,1,2,3",
"UMask": "0x20",
"EventName": "TLB_FLUSH.STLB_ANY",
"SampleAfterValue": "100003",
"BriefDescription": "STLB flush attempts",
"CounterHTOff": "0,1,2,3,4,5,6,7"
}
]