16c00db4bb
Pull AFS fixes from David Howells:
"Here's a set of patches that fix a number of bugs in the in-kernel AFS
client, including:
- Fix directory locking to not use individual page locks for
directory reading/scanning but rather to use a semaphore on the
afs_vnode struct as the directory contents must be read in a single
blob and data from different reads must not be mixed as the entire
contents may be shuffled about between reads.
- Fix address list parsing to handle port specifiers correctly.
- Only give up callback records on a server if we actually talked to
that server (we might not be able to access a server).
- Fix some callback handling bugs, including refcounting,
whole-volume callbacks and when callbacks actually get broken in
response to a CB.CallBack op.
- Fix some server/address rotation bugs, including giving up if we
can't probe a server; giving up if a server says it doesn't have a
volume, but there are more servers to try.
- Fix the decoding of fetched statuses to be OpenAFS compatible.
- Fix the handling of server lookups in Cache Manager ops (such as
CB.InitCallBackState3) to use a UUID if possible and to handle no
server being found.
- Fix a bug in server lookup where not all addresses are compared.
- Fix the non-encryption of calls that prevents some servers from
being accessed (this also requires an AF_RXRPC patch that has
already gone in through the net tree).
There's also a patch that adds tracepoints to log Cache Manager ops
that don't find a matching server, either by UUID or by address"
* tag 'afs-fixes-20180514' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
afs: Fix the non-encryption of calls
afs: Fix CB.CallBack handling
afs: Fix whole-volume callback handling
afs: Fix afs_find_server search loop
afs: Fix the handling of an unfound server in CM operations
afs: Add a tracepoint to record callbacks from unlisted servers
afs: Fix the handling of CB.InitCallBackState3 to find the server by UUID
afs: Fix VNOVOL handling in address rotation
afs: Fix AFSFetchStatus decoder to provide OpenAFS compatibility
afs: Fix server rotation's handling of fileserver probe failure
afs: Fix refcounting in callback registration
afs: Fix giving up callbacks on server destruction
afs: Fix address list parsing
afs: Fix directory page locking
484 lines
No EOL
19 KiB
JSON
484 lines
No EOL
19 KiB
JSON
[
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{
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"PublicDescription": "Misses in all TLB levels that cause a page walk of any page size.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x1",
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"EventName": "DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK",
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"SampleAfterValue": "100003",
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"BriefDescription": "Load misses in all DTLB levels that cause page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks due to demand load misses that caused 4K page walks in any TLB levels.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x2",
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"EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_4K",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Demand load Miss in all translation lookaside buffer (TLB) levels causes a page walk that completes (4K).",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks due to demand load misses that caused 2M/4M page walks in any TLB levels.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x4",
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"EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_2M_4M",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Demand load Miss in all translation lookaside buffer (TLB) levels causes a page walk that completes (2M/4M).",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x8",
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"EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED_1G",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (1G)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks in any TLB of any page size due to demand load misses.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0xe",
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"EventName": "DTLB_LOAD_MISSES.WALK_COMPLETED",
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"SampleAfterValue": "100003",
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"BriefDescription": "Demand load Miss in all translation lookaside buffer (TLB) levels causes a page walk that completes of any page size.",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "This event counts cycles when the page miss handler (PMH) is servicing page walks caused by DTLB load misses.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x10",
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"EventName": "DTLB_LOAD_MISSES.WALK_DURATION",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Cycles when PMH is busy with page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"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.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x20",
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"EventName": "DTLB_LOAD_MISSES.STLB_HIT_4K",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Load misses that miss the DTLB and hit the STLB (4K)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"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.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x40",
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"EventName": "DTLB_LOAD_MISSES.STLB_HIT_2M",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Load misses that miss the DTLB and hit the STLB (2M)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Number of cache load STLB hits. No page walk.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x60",
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"EventName": "DTLB_LOAD_MISSES.STLB_HIT",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Load operations that miss the first DTLB level but hit the second and do not cause page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "DTLB demand load misses with low part of linear-to-physical address translation missed.",
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"EventCode": "0x08",
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"Counter": "0,1,2,3",
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"UMask": "0x80",
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"EventName": "DTLB_LOAD_MISSES.PDE_CACHE_MISS",
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"SampleAfterValue": "100003",
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"BriefDescription": "DTLB demand load misses with low part of linear-to-physical address translation missed",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Miss in all TLB levels causes a page walk of any page size (4K/2M/4M/1G).",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x1",
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"EventName": "DTLB_STORE_MISSES.MISS_CAUSES_A_WALK",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store misses in all DTLB levels that cause page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks due to store misses in one or more TLB levels of 4K page structure.",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x2",
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"EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_4K",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store miss in all TLB levels causes a page walk that completes. (4K)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks due to store misses in one or more TLB levels of 2M/4M page structure.",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x4",
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"EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_2M_4M",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store misses in all DTLB levels that cause completed page walks (2M/4M)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x8",
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"EventName": "DTLB_STORE_MISSES.WALK_COMPLETED_1G",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store misses in all DTLB levels that cause completed page walks. (1G)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks due to store miss in any TLB levels of any page size (4K/2M/4M/1G).",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0xe",
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"EventName": "DTLB_STORE_MISSES.WALK_COMPLETED",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store misses in all DTLB levels that cause completed page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "This event counts cycles when the page miss handler (PMH) is servicing page walks caused by DTLB store misses.",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x10",
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"EventName": "DTLB_STORE_MISSES.WALK_DURATION",
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"SampleAfterValue": "100003",
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"BriefDescription": "Cycles when PMH is busy with page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"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.",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x20",
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"EventName": "DTLB_STORE_MISSES.STLB_HIT_4K",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store misses that miss the DTLB and hit the STLB (4K)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"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.",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x40",
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"EventName": "DTLB_STORE_MISSES.STLB_HIT_2M",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store misses that miss the DTLB and hit the STLB (2M)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Store operations that miss the first TLB level but hit the second and do not cause page walks.",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x60",
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"EventName": "DTLB_STORE_MISSES.STLB_HIT",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store operations that miss the first TLB level but hit the second and do not cause page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "DTLB store misses with low part of linear-to-physical address translation missed.",
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"EventCode": "0x49",
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"Counter": "0,1,2,3",
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"UMask": "0x80",
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"EventName": "DTLB_STORE_MISSES.PDE_CACHE_MISS",
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"SampleAfterValue": "100003",
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"BriefDescription": "DTLB store misses with low part of linear-to-physical address translation missed",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"EventCode": "0x4f",
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"Counter": "0,1,2,3",
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"UMask": "0x10",
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"EventName": "EPT.WALK_CYCLES",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Cycle count for an Extended Page table walk.",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Misses in ITLB that causes a page walk of any page size.",
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0x1",
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"EventName": "ITLB_MISSES.MISS_CAUSES_A_WALK",
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"SampleAfterValue": "100003",
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"BriefDescription": "Misses at all ITLB levels that cause page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks due to misses in ITLB 4K page entries.",
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0x2",
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"EventName": "ITLB_MISSES.WALK_COMPLETED_4K",
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"SampleAfterValue": "100003",
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"BriefDescription": "Code miss in all TLB levels causes a page walk that completes. (4K)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks due to misses in ITLB 2M/4M page entries.",
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0x4",
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"EventName": "ITLB_MISSES.WALK_COMPLETED_2M_4M",
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"SampleAfterValue": "100003",
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"BriefDescription": "Code miss in all TLB levels causes a page walk that completes. (2M/4M)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0x8",
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"EventName": "ITLB_MISSES.WALK_COMPLETED_1G",
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"SampleAfterValue": "100003",
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"BriefDescription": "Store miss in all TLB levels causes a page walk that completes. (1G)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Completed page walks in ITLB of any page size.",
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0xe",
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"EventName": "ITLB_MISSES.WALK_COMPLETED",
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"SampleAfterValue": "100003",
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"BriefDescription": "Misses in all ITLB levels that cause completed page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "This event counts cycles when the page miss handler (PMH) is servicing page walks caused by ITLB misses.",
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0x10",
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"EventName": "ITLB_MISSES.WALK_DURATION",
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"SampleAfterValue": "100003",
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"BriefDescription": "Cycles when PMH is busy with page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "ITLB misses that hit STLB (4K).",
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0x20",
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"EventName": "ITLB_MISSES.STLB_HIT_4K",
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"SampleAfterValue": "100003",
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"BriefDescription": "Core misses that miss the DTLB and hit the STLB (4K)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "ITLB misses that hit STLB (2M).",
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0x40",
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"EventName": "ITLB_MISSES.STLB_HIT_2M",
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"SampleAfterValue": "100003",
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"BriefDescription": "Code misses that miss the DTLB and hit the STLB (2M)",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "ITLB misses that hit STLB. No page walk.",
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"EventCode": "0x85",
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"Counter": "0,1,2,3",
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"UMask": "0x60",
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"EventName": "ITLB_MISSES.STLB_HIT",
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"SampleAfterValue": "100003",
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"BriefDescription": "Operations that miss the first ITLB level but hit the second and do not cause any page walks",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Counts the number of ITLB flushes, includes 4k/2M/4M pages.",
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"EventCode": "0xae",
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"Counter": "0,1,2,3",
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"UMask": "0x1",
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"EventName": "ITLB.ITLB_FLUSH",
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"SampleAfterValue": "100003",
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"BriefDescription": "Flushing of the Instruction TLB (ITLB) pages, includes 4k/2M/4M pages.",
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"CounterHTOff": "0,1,2,3,4,5,6,7"
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},
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{
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"PublicDescription": "Number of DTLB page walker loads that hit in the L1+FB.",
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"EventCode": "0xBC",
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"Counter": "0,1,2,3",
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"UMask": "0x11",
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"EventName": "PAGE_WALKER_LOADS.DTLB_L1",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Number of DTLB page walker hits in the L1+FB",
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"CounterHTOff": "0,1,2,3"
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},
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{
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"PublicDescription": "Number of DTLB page walker loads that hit in the L2.",
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"EventCode": "0xBC",
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"Counter": "0,1,2,3",
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"UMask": "0x12",
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"EventName": "PAGE_WALKER_LOADS.DTLB_L2",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Number of DTLB page walker hits in the L2",
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"CounterHTOff": "0,1,2,3"
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},
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{
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"PublicDescription": "Number of DTLB page walker loads that hit in the L3.",
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"EventCode": "0xBC",
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"Counter": "0,1,2,3",
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"UMask": "0x14",
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"Errata": "HSD25",
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"EventName": "PAGE_WALKER_LOADS.DTLB_L3",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Number of DTLB page walker hits in the L3 + XSNP",
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"CounterHTOff": "0,1,2,3"
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},
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{
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"PublicDescription": "Number of DTLB page walker loads from memory.",
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"EventCode": "0xBC",
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"Counter": "0,1,2,3",
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"UMask": "0x18",
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"Errata": "HSD25",
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"EventName": "PAGE_WALKER_LOADS.DTLB_MEMORY",
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"SampleAfterValue": "2000003",
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"BriefDescription": "Number of DTLB page walker hits in Memory",
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"CounterHTOff": "0,1,2,3"
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},
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{
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"PublicDescription": "Number of ITLB page walker loads that hit in the L1+FB.",
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"EventCode": "0xBC",
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"Counter": "0,1,2,3",
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"UMask": "0x21",
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"EventName": "PAGE_WALKER_LOADS.ITLB_L1",
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"SampleAfterValue": "2000003",
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"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"
|
|
}
|
|
] |