[ { "BriefDescription": "Counts the total number when the front end is resteered, mainly when the BPU cannot provide a correct prediction and this is corrected by other branch handling mechanisms at the front end.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xE6", "EventName": "BACLEARS.ANY", "PublicDescription": "Number of front end re-steers due to BPU misprediction.", "SampleAfterValue": "100003", "UMask": "0x1f" }, { "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switches", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xAB", "EventName": "DSB2MITE_SWITCHES.COUNT", "PublicDescription": "Number of DSB to MITE switches.", "SampleAfterValue": "2000003", "UMask": "0x1" }, { "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switch true penalty cycles", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xAB", "EventName": "DSB2MITE_SWITCHES.PENALTY_CYCLES", "PublicDescription": "Cycles DSB to MITE switches caused delay.", "SampleAfterValue": "2000003", "UMask": "0x2" }, { "BriefDescription": "Cycles when Decode Stream Buffer (DSB) fill encounter more than 3 Decode Stream Buffer (DSB) lines", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xAC", "EventName": "DSB_FILL.EXCEED_DSB_LINES", "PublicDescription": "DSB Fill encountered > 3 DSB lines.", "SampleAfterValue": "2000003", "UMask": "0x8" }, { "BriefDescription": "Number of Instruction Cache, Streaming Buffer and Victim Cache Reads. both cacheable and noncacheable, including UC fetches", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x80", "EventName": "ICACHE.HIT", "PublicDescription": "Number of Instruction Cache, Streaming Buffer and Victim Cache Reads. both cacheable and noncacheable, including UC fetches.", "SampleAfterValue": "2000003", "UMask": "0x1" }, { "BriefDescription": "Cycles where a code-fetch stalled due to L1 instruction-cache miss or an iTLB miss", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x80", "EventName": "ICACHE.IFETCH_STALL", "PublicDescription": "Cycles where a code-fetch stalled due to L1 instruction-cache miss or an iTLB miss.", "SampleAfterValue": "2000003", "UMask": "0x4" }, { "BriefDescription": "Instruction cache, streaming buffer and victim cache misses", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x80", "EventName": "ICACHE.MISSES", "PublicDescription": "Number of Instruction Cache, Streaming Buffer and Victim Cache Misses. Includes UC accesses.", "SampleAfterValue": "200003", "UMask": "0x2" }, { "BriefDescription": "Cycles Decode Stream Buffer (DSB) is delivering 4 Uops", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "4", "EventCode": "0x79", "EventName": "IDQ.ALL_DSB_CYCLES_4_UOPS", "PublicDescription": "Counts cycles DSB is delivered four uops. Set Cmask = 4.", "SampleAfterValue": "2000003", "UMask": "0x18" }, { "BriefDescription": "Cycles Decode Stream Buffer (DSB) is delivering any Uop", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EventCode": "0x79", "EventName": "IDQ.ALL_DSB_CYCLES_ANY_UOPS", "PublicDescription": "Counts cycles DSB is delivered at least one uops. Set Cmask = 1.", "SampleAfterValue": "2000003", "UMask": "0x18" }, { "BriefDescription": "Cycles MITE is delivering 4 Uops", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "4", "EventCode": "0x79", "EventName": "IDQ.ALL_MITE_CYCLES_4_UOPS", "PublicDescription": "Counts cycles MITE is delivered four uops. Set Cmask = 4.", "SampleAfterValue": "2000003", "UMask": "0x24" }, { "BriefDescription": "Cycles MITE is delivering any Uop", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EventCode": "0x79", "EventName": "IDQ.ALL_MITE_CYCLES_ANY_UOPS", "PublicDescription": "Counts cycles MITE is delivered at least one uops. Set Cmask = 1.", "SampleAfterValue": "2000003", "UMask": "0x24" }, { "BriefDescription": "Cycles when uops are being delivered to Instruction Decode Queue (IDQ) from Decode Stream Buffer (DSB) path", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EventCode": "0x79", "EventName": "IDQ.DSB_CYCLES", "PublicDescription": "Cycles when uops are being delivered to Instruction Decode Queue (IDQ) from Decode Stream Buffer (DSB) path.", "SampleAfterValue": "2000003", "UMask": "0x8" }, { "BriefDescription": "Uops delivered to Instruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x79", "EventName": "IDQ.DSB_UOPS", "PublicDescription": "Increment each cycle. # of uops delivered to IDQ from DSB path. Set Cmask = 1 to count cycles.", "SampleAfterValue": "2000003", "UMask": "0x8" }, { "BriefDescription": "Instruction Decode Queue (IDQ) empty cycles", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3", "EventCode": "0x79", "EventName": "IDQ.EMPTY", "PublicDescription": "Counts cycles the IDQ is empty.", "SampleAfterValue": "2000003", "UMask": "0x2" }, { "BriefDescription": "Uops delivered to Instruction Decode Queue (IDQ) from MITE path", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x79", "EventName": "IDQ.MITE_ALL_UOPS", "PublicDescription": "Number of uops delivered to IDQ from any path.", "SampleAfterValue": "2000003", "UMask": "0x3c" }, { "BriefDescription": "Cycles when uops are being delivered to Instruction Decode Queue (IDQ) from MITE path", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EventCode": "0x79", "EventName": "IDQ.MITE_CYCLES", "PublicDescription": "Cycles when uops are being delivered to Instruction Decode Queue (IDQ) from MITE path.", "SampleAfterValue": "2000003", "UMask": "0x4" }, { "BriefDescription": "Uops delivered to Instruction Decode Queue (IDQ) from MITE path", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x79", "EventName": "IDQ.MITE_UOPS", "PublicDescription": "Increment each cycle # of uops delivered to IDQ from MITE path. Set Cmask = 1 to count cycles.", "SampleAfterValue": "2000003", "UMask": "0x4" }, { "BriefDescription": "Cycles when uops are being delivered to Instruction Decode Queue (IDQ) while Microcode Sequencer (MS) is busy", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EventCode": "0x79", "EventName": "IDQ.MS_CYCLES", "PublicDescription": "Cycles when uops are being delivered to Instruction Decode Queue (IDQ) while Microcode Sequencer (MS) is busy.", "SampleAfterValue": "2000003", "UMask": "0x30" }, { "BriefDescription": "Cycles when uops initiated by Decode Stream Buffer (DSB) are being delivered to Instruction Decode Queue (IDQ) while Microcode Sequencer (MS) is busy", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EventCode": "0x79", "EventName": "IDQ.MS_DSB_CYCLES", "PublicDescription": "Cycles when uops initiated by Decode Stream Buffer (DSB) are being delivered to Instruction Decode Queue (IDQ) while Microcode Sequencer (MS) is busy.", "SampleAfterValue": "2000003", "UMask": "0x10" }, { "BriefDescription": "Deliveries to Instruction Decode Queue (IDQ) initiated by Decode Stream Buffer (DSB) while Microcode Sequencer (MS) is busy", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EdgeDetect": "1", "EventCode": "0x79", "EventName": "IDQ.MS_DSB_OCCUR", "PublicDescription": "Deliveries to Instruction Decode Queue (IDQ) initiated by Decode Stream Buffer (DSB) while Microcode Sequencer (MS) is busy.", "SampleAfterValue": "2000003", "UMask": "0x10" }, { "BriefDescription": "Uops initiated by Decode Stream Buffer (DSB) that are being delivered to Instruction Decode Queue (IDQ) while Microcode Sequencer (MS) is busy", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x79", "EventName": "IDQ.MS_DSB_UOPS", "PublicDescription": "Increment each cycle # of uops delivered to IDQ when MS_busy by DSB. Set Cmask = 1 to count cycles. Add Edge=1 to count # of delivery.", "SampleAfterValue": "2000003", "UMask": "0x10" }, { "BriefDescription": "Uops initiated by MITE and delivered to Instruction Decode Queue (IDQ) while Microcode Sequencer (MS) is busy", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x79", "EventName": "IDQ.MS_MITE_UOPS", "PublicDescription": "Increment each cycle # of uops delivered to IDQ when MS_busy by MITE. Set Cmask = 1 to count cycles.", "SampleAfterValue": "2000003", "UMask": "0x20" }, { "BriefDescription": "Number of switches from DSB (Decode Stream Buffer) or MITE (legacy decode pipeline) to the Microcode Sequencer", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "CounterMask": "1", "EdgeDetect": "1", "EventCode": "0x79", "EventName": "IDQ.MS_SWITCHES", "PublicDescription": "Number of switches from DSB (Decode Stream Buffer) or MITE (legacy decode pipeline) to the Microcode Sequencer.", "SampleAfterValue": "2000003", "UMask": "0x30" }, { "BriefDescription": "Uops delivered to Instruction Decode Queue (IDQ) while Microcode Sequencer (MS) is busy", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x79", "EventName": "IDQ.MS_UOPS", "PublicDescription": "Increment each cycle # of uops delivered to IDQ from MS by either DSB or MITE. Set Cmask = 1 to count cycles.", "SampleAfterValue": "2000003", "UMask": "0x30" }, { "BriefDescription": "Uops not delivered to Resource Allocation Table (RAT) per thread when backend of the machine is not stalled", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3", "EventCode": "0x9C", "EventName": "IDQ_UOPS_NOT_DELIVERED.CORE", "PublicDescription": "Count issue pipeline slots where no uop was delivered from the front end to the back end when there is no back-end stall.", "SampleAfterValue": "2000003", "UMask": "0x1" }, { "BriefDescription": "Cycles per thread when 4 or more uops are not delivered to Resource Allocation Table (RAT) when backend of the machine is not stalled.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3", "CounterMask": "4", "EventCode": "0x9C", "EventName": "IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE", "SampleAfterValue": "2000003", "UMask": "0x1" }, { "BriefDescription": "Counts cycles FE delivered 4 uops or Resource Allocation Table (RAT) was stalling FE.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3", "CounterMask": "1", "EventCode": "0x9C", "EventName": "IDQ_UOPS_NOT_DELIVERED.CYCLES_FE_WAS_OK", "Invert": "1", "SampleAfterValue": "2000003", "UMask": "0x1" }, { "BriefDescription": "Cycles per thread when 3 or more uops are not delivered to Resource Allocation Table (RAT) when backend of the machine is not stalled.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3", "CounterMask": "3", "EventCode": "0x9C", "EventName": "IDQ_UOPS_NOT_DELIVERED.CYCLES_LE_1_UOP_DELIV.CORE", "SampleAfterValue": "2000003", "UMask": "0x1" }, { "BriefDescription": "Cycles with less than 2 uops delivered by the front end.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3", "CounterMask": "2", "EventCode": "0x9C", "EventName": "IDQ_UOPS_NOT_DELIVERED.CYCLES_LE_2_UOP_DELIV.CORE", "SampleAfterValue": "2000003", "UMask": "0x1" }, { "BriefDescription": "Cycles with less than 3 uops delivered by the front end.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3", "CounterMask": "1", "EventCode": "0x9C", "EventName": "IDQ_UOPS_NOT_DELIVERED.CYCLES_LE_3_UOP_DELIV.CORE", "SampleAfterValue": "2000003", "UMask": "0x1" } ]