文件操作 - unit_masks
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文件: /usr/share/oprofile/i386/pii/unit_masks
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# Pentium II possible unit masks # name:zero type:mandatory default:0x0 0x0 No unit mask name:mesi type:bitmask default:0x0f 0x08 (M)odified cache state 0x04 (E)xclusive cache state 0x02 (S)hared cache state 0x01 (I)nvalid cache state 0x0f All cache states name:ebl type:exclusive default:0x20 0x00 self-generated transactions 0x20 any transactions name:mmx_uops type:mandatory default:0xf 0x0f mandatory name:mmx_instr_type_exec type:bitmask default:0x3f 0x01 MMX packed multiplies 0x02 MMX packed shifts 0x04 MMX pack operations 0x08 MMX unpack operations 0x10 MMX packed logical 0x20 MMX packed arithmetic 0x3f all of the above name:mmx_trans type:exclusive default:0x0 0x00 MMX->float operations 0x01 float->MMX operations name:seg_rename type:bitmask default:0xf 0x1 ES register 0x2 DS register 0x4 FS register # IA manual says this is actually FS again - no mention in errata # but test show that is really a typo error from IA manual 0x8 GS register 0xf ES, DS, FS, GS registers
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