## AMD Athlon(tm)64 and AMD Opteron(tm) processor unit masks## Copyright OProfile authors# Copyright (c) Advanced Micro Devices, 2006-2008# Contributed by Ray Bryant <raybry@amd.com>, and others.## Source: BIOS and Kernel Developer's Guide for AMD NPT Family 0Fh Processors,#         Publication# 32559, Revision 3.08, July 2007## This file was last updated on 10 January 2008:##    Unit mask (writtentosystem) was added for the#    QUADWORD_WRITE_TRANSFERS event.#name:zero type:mandatory default:0x0	0x0 No unit maskname:moesi type:bitmask default:0x1f	0x01 (I)nvalid cache state	0x02 (S)hared cache state	0x04 (E)xclusive cache state	0x08 (O)wned cache state	0x10 (M)odified cache state	0x1f All cache statesname:moess type:bitmask default:0x1e	0x01 refill from system	0x02 (S)hared cache state from L2	0x04 (E)xclusive cache state from L2	0x08 (O)wned cache state from L2	0x10 (M)odified cache state from L2	0x1e All cache states except Invalidname:fpu_ops type:bitmask default:0x3f	0x01 Add pipe ops	0x02 Multiply pipe	0x04 Store pipe ops	0x08 Add pipe load ops	0x10 Multiply pipe load ops	0x20 Store pipe load opsname:segregload type:bitmask default:0x7f	0x01 ES register	0x02 CS register	0x04 SS register	0x08 DS register	0x10 FS register	0x20 GS register	0x40 HS registername:ecc type:bitmask default:0x03	0x01 Scrubber error	0x02 Piggyback scrubber errorsname:prefetch type:bitmask default:0x07	0x01 Load	0x02 Store	0x04 NTAname:fpu_instr type:bitmask default:0x0f	0x01 x87 instructions	0x02 Combined MMX & 3DNow instructions	0x04 Combined packed SSE & SSE2 instructions	0x08 Combined packed scalar SSE & SSE2 instructionsname:fpu_fastpath type:bitmask default:0x07	0x01 With low op in position 0	0x02 With low op in position 1	0x04 With low op in position 2name:fpu_exceptions type:bitmask default:0x0f	0x01 x87 reclass microfaults	0x02 SSE retype microfaults	0x04 SSE reclass microfaults	0x08 SSE and x87 microtrapsname:page_access type:bitmask default:0x07	0x01 Page hit	0x02 Page miss	0x04 Page conflictname:turnaround type:bitmask default:0x07	0x01 DIMM (chip select) turnaround	0x02 Read to write turnaround	0x04 Write to read turnaroundname:saturation type:bitmask default:0x0f	0x01 Memory controller high priority bypass	0x02 Memory controller low priority bypass	0x04 DRAM controller interface bypass	0x08 DRAM controller queue bypassname:sizecmds type:bitmask default:0x7f	0x01 Non-posted write byte	0x02 Non-posted write dword	0x04 Posted write byte	0x08 Posted write dword	0x10 Read byte (4 bytes)	0x20 Read dword (1-16 dwords)	0x40 Read-modify-writename:probe type:bitmask default:0x0f	0x01 Probe miss	0x02 Probe hit clean	0x04 Probe hit dirty without memory cancel	0x08 Probe hit dirty with memory cancel	0x10 Upstream display refresh reads	0x20 Upstream non-display refresh reads	0x40 Upstream writes (RevD and later)name:ht type:bitmask default:0x7	0x01 Command sent	0x02 Data sent	0x04 Buffer release sent	0x08 NOP sentname:l2_internal type:bitmask default:0x1f	0x01 IC fill	0x02 DC fill	0x04 TLB fill (page table walk)	0x08 Tag snoop request	0x10 Cancelled requestname:l2_req_miss type:bitmask default:0x07	0x01 IC fill	0x02 DC fill	0x04 TLB page table walkname:l2_fill type:bitmask default:0x03	0x01 L2 fills (victims from L1 caches, TLB page table walks and data prefetches)	0x02 L2 writebacks to systemname:gart type:bitmask default:0x07	0x01 GART aperture hit on access from CPU	0x02 GART aperture hit on access from I/O	0x04 GART missname:sizedblocks type:bitmask default:0x3c	0x04 32-byte Sized Writes (RevD and later)	0x08 64-byte Sized Writes (RevD and later)	0x10 32-byte Sized Reads (RevD and later)	0x20 64-byte Sized Reads (RevD and later)name:cpiorequests type:bitmask default:0xa2	0xa1 Requests Local I/O to Local I/O	0xa2 Requests Local I/O to Local Memory	0xa3 Requests Local I/O to Local (I/O or Mem) 	0xa4 Requests Local CPU to Local I/O	0xa5 Requests Local (CPU or I/O) to Local I/O	0xa8 Requests Local CPU to Local Memory	0xaa Requests Local (CPU or I/O) to Local Memory	0xac Requests Local CPU to Local (I/O or Mem)	0xaf Requests Local (CPU or I/O) to Local (I/O or Mem)	0x91 Requests Local I/O to Remote I/O	0x92 Requests Local I/O to Remote Memory	0x93 Requests Local I/O to Remote (I/O or Mem)	0x94 Requests Local CPU to Remote I/O	0x95 Requests Local (CPU or I/O) to Remote I/O	0x98 Requests Local CPU to Remote Memory	0x9a Requests Local (CPU or I/O) to Remote Memory	0x9c Requests Local CPU to Remote (I/O or Mem)	0x9f Requests Local (CPU or I/O) to Remote (I/O or Mem)	0xb1 Requests Local I/O to Any I/O	0xb2 Requests Local I/O to Any Memory	0xb3 Requests Local I/O to Any (I/O or Mem)	0xb4 Requests Local CPU to Any I/O	0xb5 Requests Local (CPU or I/O) to Any I/O	0xb8 Requests Local CPU to Any Memory	0xba Requests Local (CPU or I/O) to Any Memory	0xbc Requests Local CPU to Any (I/O or Mem)	0xbf Requests Local (CPU or I/O) to Any (I/O or Mem)	0x61 Requests Remote I/O to Local I/O	0x64 Requests Remote CPU to Local I/O	0x65 Requests Remote (CPU or I/O) to Local I/Oname:cacheblock type:bitmask default:0x3d	0x01 Victim Block (Writeback)	0x04 Read Block (Dcache load miss refill)	0x08 Read Block Shared (Icache refill)	0x10 Read Block Modified (Dcache store miss refill)	0x20 Change to Dirty (first store to clean block already in cache)name:dataprefetch type:bitmask default:0x03	0x01 Cancelled prefetches	0x02 Prefetch attemptsname:memreqtype type:bitmask default:0x83	0x01 Requests to non-cacheable (UC) memory	0x02 Requests to write-combining (WC) memory or WC buffer flushes to WB memory	0x80 Streaming store (SS) requestsname:systemreadresponse type:bitmask default:0x7	0x01 Exclusive	0x02 Modified	0x04 Sharedname:writtentosystem type:bitmask default:0x1	0x01 Quadword write transfer# BKDG 3.28 does not include unit_mask of 0x01 for "accesses by Locked instructions"name:dcachemisslocked type:bitmask default:0x02	0x02 Data cache misses by locked instructionsname:locked_ops type:bitmask default:0x04	0x01 The number of locked instructions executed	0x02 The number of cycles spent in speculative phase	0x04 The number of cycles spent in non-speculative phase (including cache miss penalty)name:thermalecc type:bitmask default:0x80	0x01 Number of clocks CPU is active when HTC is active (RevF)	0x02 Number of clocks CPU clock is inactive when HTC is active (RevF)	0x04 Number of clocks when die temperature is higher than the software high temperature threshold (RevF)	0x08 Number of clocks when high temperature threshold was exceeded (RevF)	0x80 Number of correctable and uncorrectable DRAM ECC errors (RevE)