IA-32 architecture AMD K7 PeMo events event part #1 unit #2 description 00h ? ? documented as unused 01h ? ? documented as unused 02h ? ? documented as unused 03h ? ? documented as unused 04h ? ? documented as unused 05h ? ? documented as unused 06h ? ? documented as unused 07h ? ? documented as unused 08h ? ? documented as unused 09h ? ? documented as unused 0Ah ? ? documented as unused 0Bh ? ? documented as unused 0Ch ? ? documented as unused 0Dh ? ? documented as unused 0Eh ? ? documented as unused 0Fh ? ? documented as unused 10h ? ? documented as unused 11h ? ? documented as unused 12h ? ? documented as unused 13h ? ? documented as unused 14h ? ? documented as unused 15h ? ? documented as unused 16h ? ? documented as unused 17h ? ? documented as unused 18h ? ? documented as unused 19h ? ? documented as unused 1Ah ? ? documented as unused 1Bh ? ? documented as unused 1Ch ? ? documented as unused 1Dh ? ? documented as unused 1Eh ? ? documented as unused 1Fh ? ? documented as unused 20h LS #20 segment register loads 21h LS self-modifying code occurences 22h LS snoops resyncs 23h LS load/store queue for L2 cache and memory full 24h ? ? documented as unused 25h ? ? documented as unused 26h ? ? documented as unused 27h ? ? documented as unused 28h ? ? documented as unused 29h ? ? documented as unused 2Ah ? ? documented as unused 2Bh ? ? documented as unused 2Ch ? ? documented as unused 2Dh ? ? documented as unused 2Eh ? ? documented as unused 2Fh ? ? documented as unused 30h ? ? documented as unused 31h ? ? documented as unused 32h ? ? documented as unused 33h ? ? documented as unused 34h ? ? documented as unused 35h ? ? documented as unused 36h ? ? documented as unused 37h ? ? documented as unused 38h ? ? documented as unused 39h ? ? documented as unused 3Ah ? ? documented as unused 3Bh ? ? documented as unused 3Ch ? ? documented as unused 3Dh ? ? documented as unused 3Eh ? ? documented as unused 3Fh ? ? documented as unused 40h DC data cache accesses 41h DC data cache misses 42h DC MOESI MOESI state of data reloaded from L2 43h DC MOESI MOESI state of data reloaded from memory 44h DC MOESI MOESI state of evicted line 45h DC L1 data TLB misses and L2 data TLB hits 46h DC L1 data TLB and L2 data TLB misses 47h DC misaligned data memory references 48h ? ? documented as unused 49h ? ? documented as unused 4Ah ? ? documented as unused 4Bh ? ? documented as unused 4Ch ? ? documented as unused 4Dh ? ? documented as unused 4Eh ? ? documented as unused 4Fh ? ? documented as unused 50h ? ? documented as unused 51h ? ? documented as unused 52h ? ? documented as unused 53h ? ? documented as unused 54h ? ? documented as unused 55h ? ? documented as unused 56h ? ? documented as unused 57h ? ? documented as unused 58h ? ? documented as unused 59h ? ? documented as unused 5Ah ? ? documented as unused 5Bh ? ? documented as unused 5Ch ? ? documented as unused 5Dh ? ? documented as unused 5Eh ? ? documented as unused 5Fh ? ? documented as unused 60h BU #60 commands related to victim buffers 61h BU #61 commands related to masked operations 62h BU #62 commands related to read block operations 63h BU #63 commands related to change to dirty operations 64h BU DRAM system requests 65h BU #65 requests with the indicated memory type 66h BU #66 requests in the indicated memory region 67h ? ? documented as unused 68h BU #68 fill requests for the indicated miss buffer 69h BU #69 cycles that miss buffer waited for fill data 6Ah BU #6A cycles that command limit existed 6Bh ? ? documented as unused 6Ch BU #6C type of SysDC group 1 commands 6Dh BU #6D type of SysDC group 2 commands 6Eh BU fill data did not receive critical datum first 6Fh BU SysDC fills aborted by SysFillVal=0 70h BU #70 probe next tag state commands 71h BU #71 probe data movement function commands 72h BU #72 probe responses 73h BU #73 snoop cache hits 74h BU #74 single-bit ECC errors detected/corrected 75h BU #75 cross invalidates 76h BU cycles BU_Connect mask is asserted (not during HLT or STPCLK) 77h ? ? documented as unused 78h BU L2 partial tag misses 79h BU #79 L2 requests 7Ah BU cycles while at least one fill request waited to use the L2 7Bh ? ? documented as unused 7Ch BU SysDatMinLat errors 7Dh ? ? documented as unused 7Eh ? ? documented as unused 7Fh ? ? documented as unused 80h PC instruction fetches from L1 81h PC instruction fetch misses from L1 82h PC instruction fetches from L2 83h PC instruction fetches from memory 84h PC L1 code TLB misses and L2 code TLB hits 85h PC L1 code TLB and L2 code TLB misses 86h PC snoop resyncs 87h PC instruction fetch stall cycles 88h PC return stack hits 89h PC return stack overflows 8Ah ? ? documented as unused 8Bh ? ? documented as unused 8Ch ? ? documented as unused 8Dh ? ? documented as unused 8Eh ? ? documented as unused 8Fh ? ? documented as unused 90h ? ? documented as unused 91h ? ? documented as unused 92h ? ? documented as unused 93h ? ? documented as unused 94h ? ? documented as unused 95h ? ? documented as unused 96h ? ? documented as unused 97h ? ? documented as unused 98h ? ? documented as unused 99h ? ? documented as unused 9Ah ? ? documented as unused 9Bh ? ? documented as unused 9Ch ? ? documented as unused 9Dh ? ? documented as unused 9Eh ? ? documented as unused 9Fh ? ? documented as unused A0h ? ? documented as unused A1h ? ? documented as unused A2h ? ? documented as unused A3h ? ? documented as unused A4h ? ? documented as unused A5h ? ? documented as unused A6h ? ? documented as unused A7h ? ? documented as unused A8h ? ? documented as unused A9h ? ? documented as unused AAh ? ? documented as unused ABh ? ? documented as unused ACh ? ? documented as unused ADh ? ? documented as unused AEh ? ? documented as unused AFh ? ? documented as unused B0h ? ? documented as unused B1h ? ? documented as unused B2h ? ? documented as unused B3h ? ? documented as unused B4h ? ? documented as unused B5h ? ? documented as unused B6h ? ? documented as unused B7h ? ? documented as unused B8h ? ? documented as unused B9h ? ? documented as unused BAh ? ? documented as unused BBh ? ? documented as unused BCh ? ? documented as unused BDh ? ? documented as unused BEh ? ? documented as unused BFh ? ? documented as unused C0h FR retired instructions (incl. exceptions/interrupts/resyncs) C1h FR retired ops C2h FR retired branches C3h FR retired mispredicted branches C4h FR retired taken branches C5h FR retired mispredicted taken branches C6h FR retired far control transfers (always mispredicted) C7h FR retired resync branches (non-control transfer branches only) C8h FR retired near returns C9h FR retired mispredicted near returns CAh FR retired mispredicted taken branches due to address miscompare CBh ? ? documented as unused CCh ? ? documented as unused CDh FR disabled interrupts cycles CEh FR disabled interrupts pending cycles CFh FR taken hardware interrupts D0h FR nothing to dispatch (MEDEC empty) D1h FR dispatch stalls (ie. combined D2..DAh events) D2h FR branch abort to retire stalls D3h FR serialize stalls D4h FR segment load stalls D5h FR ICU full stalls D6h FR reservation stations full stalls D7h FR FPU full stalls D8h FR load/store queue full stalls D9h FR all quiet stalls DAh FR far transfer or resync branch pending stalls DBh ? ? documented as unused DCh FR DR0 breakpoint hits DDh FR DR1 breakpoint hits DEh FR DR2 breakpoint hits DFh FR DR3 breakpoint hits E0h ? ? documented as unused E1h ? ? documented as unused E2h ? ? documented as unused E3h ? ? documented as unused E4h ? ? documented as unused E5h ? ? documented as unused E6h ? ? documented as unused E7h ? ? documented as unused E8h ? ? documented as unused E9h ? ? documented as unused EAh ? ? documented as unused EBh ? ? documented as unused ECh ? ? documented as unused EDh ? ? documented as unused EEh ? ? documented as unused EFh ? ? documented as unused F0h ? ? documented as unused F1h ? ? documented as unused F2h ? ? documented as unused F3h ? ? documented as unused F4h ? ? documented as unused F5h ? ? documented as unused F6h ? ? documented as unused F7h ? ? documented as unused F8h ? ? documented as unused F9h ? ? documented as unused FAh ? ? documented as unused FBh ? ? documented as unused FCh ? ? documented as unused FDh ? ? documented as unused FEh ? ? documented as unused FFh ? ? documented as unused notes description #1 LS load/store DC data cache BU bus unit PC prefetch/cache? FR functional/retire? #2 #20 01h=ES, 02h=CS, 04h=SS, 08h=DS 10h=FS, 20h=GS, 40h=HS MOESI 01h=invalid, 02h=shared, 04h=exclusive, 08h=owner, 10h=modified #60 08h=VDBFlushRequest, 10h=WrVicBlk, 20h=ClVicBlk, 80h=lock #61 01h=RdByte, 02h=RdLW, 04h=RdQW, 10h=WrByte, 20h=WrLW, 40h=WrQW #62 01h=RdBlk, 02h=RdBlkMod, 04h=RdBlkI, 08h=FetchBlk, 10h=RdBlkSpec, 20h=RdBlkSpecMod, 40h=RdBlkSpecI #63 10h=CleanToDirty, 20h=SharedToDirty #65 01h=UC, 02h=WC, 10h=WT, 20h=WP, 40h=WB #66 01h=PCI, 02h=Region 1, 04h=Region 2, 08h=Region 3 #68 01..07h=encoded miss buffer ID #69 01..07h=encoded miss buffer ID #6A 01h=SysVicLimit, 02h=SysAckLimit, 04h=SysCommitLimit #6C 01h=ReadDataE, 02h=ReadDataM, 04h=ReadDataS, 08h=ReadDataO, 10h=ReadDataErr #6D 01h=WriteData, 02h=ReleaseBuffer, 04h=ChangeToDirtySuccess, 08h=ChangeToDirtyFail #70 01h=NOP, 02h=E, 04h=S, 08h=T3, 10h=O, 20h=I, 40h=T1 #71 01h=NOP, 02h=ReadIfHit, 04h=ReadIfDirty, 08h=ReadAnyWay #72 01h=M1 or M2, 02h=M2 and CH, 04h=DM/VS/MS:1/0/0, 08h=DM/VS/MS:1/1/0, 10h=DM/VS/MS:0/0/1, 20h=DM/VS/MS:1/0/1 #73 01h=L1 code cache, 02h=L1 data cache, 04h=L2 cache #74 01h=system, 02h=L2 cache #75 01h=D invalidates I, 02h=D invalidates D, 04h=I invalidates I, 08h=I invalidates D #79 01h=tag read, 02h=tag write, 04h=code, 08h=data load, 10h=data store, 20h=write from system, 40h=write from L1 cache, 80h=write from L2 cache