Brooklyn/tools/perf/pmu-events/arch/x86/ivybridge/frontend.json

[
    {
        "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 Sequenser (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 Sequenser (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 Sequenser (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 Sequenser (MS) is busy.",
        "SampleAfterValue": "2000003",
        "UMask": "0x10"
    },
    {
        "BriefDescription": "Deliveries to Instruction Decode Queue (IDQ) initiated by Decode Stream Buffer (DSB) while Microcode Sequenser (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 Sequenser (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 Sequenser (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 Sequenser (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 Sequenser (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"
    }
]