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Date:   Tue, 26 Jul 2022 09:25:08 +0800
From:   Xing Zhengjun <zhengjun.xing@...ux.intel.com>
To:     Ian Rogers <irogers@...gle.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     "Taylor, Perry" <perry.taylor@...el.com>,
        "Biggers, Caleb" <caleb.biggers@...el.com>,
        "Bopardikar, Kshipra" <kshipra.bopardikar@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Andi Kleen <ak@...ux.intel.com>,
        James Clark <james.clark@....com>,
        John Garry <john.garry@...wei.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-perf-users <linux-perf-users@...r.kernel.org>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v1 02/31] perf vendor events: Update Intel broadwellx


HI Arnaldo,

On 7/25/2022 9:06 PM, Ian Rogers wrote:
> 
> 
> On Sun, Jul 24, 2022, 6:34 PM Xing Zhengjun 
> <zhengjun.xing@...ux.intel.com <mailto:zhengjun.xing@...ux.intel.com>> 
> wrote:
> 
>     Hi Ian,
> 
>     On 7/23/2022 6:32 AM, Ian Rogers wrote:
>      > Use script at:
>      >
>     https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
>     <https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py>
>      >
> 
>     It is better to add the event JSON file version and TMA version for the
>     future track. For example, the event list is based on broadwellx JSON
>     file v19, the metrics are based on TMA4.4-full.
> 
> 
> Thanks Xing,
> 
> I'll add that in v2. I'd skipped it this time as I'd been adding it to 
> the mapfile. I'll also break apart the tremontx to snowridgex change to 
> match yours. I also will rebase to see if that'll fix the git am issue. 
> Apologies in advance to everyone's inboxes :-)
> 
Hi Arnaldo,

Except for Snowridgex, I also post SPR/ADL/HSX/BDX event list last 
month, Can these be merged in or do I need to update them?  Thanks.

https://lore.kernel.org/all/20220609094222.2030167-1-zhengjun.xing@linux.intel.com/
https://lore.kernel.org/all/20220609094222.2030167-2-zhengjun.xing@linux.intel.com/

https://lore.kernel.org/all/20220607092749.1976878-1-zhengjun.xing@linux.intel.com/
https://lore.kernel.org/all/20220607092749.1976878-2-zhengjun.xing@linux.intel.com/
https://lore.kernel.org/all/20220614145019.2177071-1-zhengjun.xing@linux.intel.com/
https://lore.kernel.org/all/20220614145019.2177071-2-zhengjun.xing@linux.intel.com/

> Thanks,
> Ian
> 
> 
>      > to download and generate the latest events and metrics. Manually copy
>      > the broadwellx files into perf and update mapfile.csv.
>      >
>      > Tested with 'perf test':
>      >   10: PMU events                                                 
>          :
>      >   10.1: PMU event table sanity                                   
>          : Ok
>      >   10.2: PMU event map aliases                                   
>           : Ok
>      >   10.3: Parsing of PMU event table metrics                       
>          : Ok
>      >   10.4: Parsing of PMU event table metrics with fake PMUs       
>           : Ok
>      >   90: perf all metricgroups test                                 
>          : Ok
>      >   91: perf all metrics test                                     
>           : Skip
>      >   93: perf all PMU test                                         
>           : Ok
>      >
>      > Signed-off-by: Ian Rogers <irogers@...gle.com
>     <mailto:irogers@...gle.com>>
>      > ---
>      >   .../arch/x86/broadwellx/bdx-metrics.json      |  570 ++-
>      >   .../pmu-events/arch/x86/broadwellx/cache.json |   22 +-
>      >   .../arch/x86/broadwellx/floating-point.json   |    9 +-
>      >   .../arch/x86/broadwellx/frontend.json         |    2 +-
>      >   .../arch/x86/broadwellx/memory.json           |   39 +-
>      >   .../pmu-events/arch/x86/broadwellx/other.json |    2 +-
>      >   .../arch/x86/broadwellx/pipeline.json         |    4 +-
>      >   .../arch/x86/broadwellx/uncore-cache.json     | 3788
>     ++++++++++++++++-
>      >   .../x86/broadwellx/uncore-interconnect.json   | 1438 ++++++-
>      >   .../arch/x86/broadwellx/uncore-memory.json    | 2849 ++++++++++++-
>      >   .../arch/x86/broadwellx/uncore-other.json     | 3252 ++++++++++++++
>      >   .../arch/x86/broadwellx/uncore-power.json     |  437 +-
>      >   .../arch/x86/broadwellx/virtual-memory.json   |    2 +-
>      >   tools/perf/pmu-events/arch/x86/mapfile.csv    |    2 +-
>      >   14 files changed, 12103 insertions(+), 313 deletions(-)
>      >   create mode 100644
>     tools/perf/pmu-events/arch/x86/broadwellx/uncore-other.json
>      >
>      > diff --git
>     a/tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json
>     b/tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json
>      > index b055947c0afe..720ee7c9332d 100644
>      > --- a/tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json
>      > +++ b/tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json
>      > @@ -74,12 +74,6 @@
>      >           "MetricGroup": "Branches;Fed;FetchBW",
>      >           "MetricName": "UpTB"
>      >       },
>      > -    {
>      > -        "BriefDescription": "Cycles Per Instruction (per Logical
>     Processor)",
>      > -        "MetricExpr": "1 / (INST_RETIRED.ANY /
>     CPU_CLK_UNHALTED.THREAD)",
>      > -        "MetricGroup": "Pipeline;Mem",
>      > -        "MetricName": "CPI"
>      > -    },
>      >       {
>      >           "BriefDescription": "Per-Logical Processor actual
>     clocks when the Logical Processor is active.",
>      >           "MetricExpr": "CPU_CLK_UNHALTED.THREAD",
>      > @@ -130,43 +124,25 @@
>      >           "MetricName": "FLOPc_SMT"
>      >       },
>      >       {
>      > -        "BriefDescription": "Actual per-core usage of the
>     Floating Point execution units (regardless of the vector width)",
>      > +        "BriefDescription": "Actual per-core usage of the
>     Floating Point non-X87 execution units (regardless of precision or
>     vector-width)",
>      >           "MetricExpr": "( (FP_ARITH_INST_RETIRED.SCALAR_SINGLE +
>     FP_ARITH_INST_RETIRED.SCALAR_DOUBLE) +
>     (FP_ARITH_INST_RETIRED.128B_PACKED_DOUBLE +
>     FP_ARITH_INST_RETIRED.128B_PACKED_SINGLE +
>     FP_ARITH_INST_RETIRED.256B_PACKED_DOUBLE +
>     FP_ARITH_INST_RETIRED.256B_PACKED_SINGLE) ) / ( 2 *
>     CPU_CLK_UNHALTED.THREAD )",
>      >           "MetricGroup": "Cor;Flops;HPC",
>      >           "MetricName": "FP_Arith_Utilization",
>      > -        "PublicDescription": "Actual per-core usage of the
>     Floating Point execution units (regardless of the vector width).
>     Values > 1 are possible due to Fused-Multiply Add (FMA) counting."
>      > +        "PublicDescription": "Actual per-core usage of the
>     Floating Point non-X87 execution units (regardless of precision or
>     vector-width). Values > 1 are possible due to ([BDW+] Fused-Multiply
>     Add (FMA) counting - common; [ADL+] use all of ADD/MUL/FMA in Scalar
>     or 128/256-bit vectors - less common)."
>      >       },
>      >       {
>      > -        "BriefDescription": "Actual per-core usage of the
>     Floating Point execution units (regardless of the vector width). SMT
>     version; use when SMT is enabled and measuring per logical CPU.",
>      > +        "BriefDescription": "Actual per-core usage of the
>     Floating Point non-X87 execution units (regardless of precision or
>     vector-width). SMT version; use when SMT is enabled and measuring
>     per logical CPU.",
>      >           "MetricExpr": "( (FP_ARITH_INST_RETIRED.SCALAR_SINGLE +
>     FP_ARITH_INST_RETIRED.SCALAR_DOUBLE) +
>     (FP_ARITH_INST_RETIRED.128B_PACKED_DOUBLE +
>     FP_ARITH_INST_RETIRED.128B_PACKED_SINGLE +
>     FP_ARITH_INST_RETIRED.256B_PACKED_DOUBLE +
>     FP_ARITH_INST_RETIRED.256B_PACKED_SINGLE) ) / ( 2 * ( (
>     CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK ) ) )",
>      >           "MetricGroup": "Cor;Flops;HPC_SMT",
>      >           "MetricName": "FP_Arith_Utilization_SMT",
>      > -        "PublicDescription": "Actual per-core usage of the
>     Floating Point execution units (regardless of the vector width).
>     Values > 1 are possible due to Fused-Multiply Add (FMA) counting.
>     SMT version; use when SMT is enabled and measuring per logical CPU."
>      > +        "PublicDescription": "Actual per-core usage of the
>     Floating Point non-X87 execution units (regardless of precision or
>     vector-width). Values > 1 are possible due to ([BDW+] Fused-Multiply
>     Add (FMA) counting - common; [ADL+] use all of ADD/MUL/FMA in Scalar
>     or 128/256-bit vectors - less common). SMT version; use when SMT is
>     enabled and measuring per logical CPU."
>      >       },
>      >       {
>      > -        "BriefDescription": "Instruction-Level-Parallelism
>     (average number of uops executed when there is at least 1 uop
>     executed)",
>      > +        "BriefDescription": "Instruction-Level-Parallelism
>     (average number of uops executed when there is execution) per-core",
>      >           "MetricExpr": "UOPS_EXECUTED.THREAD / ((
>     cpu@...S_EXECUTED.CORE\\,cmask\\=1@ / 2 ) if #SMT_on else
>     UOPS_EXECUTED.CYCLES_GE_1_UOP_EXEC)",
>      >           "MetricGroup": "Backend;Cor;Pipeline;PortsUtil",
>      >           "MetricName": "ILP"
>      >       },
>      > -    {
>      > -        "BriefDescription": "Branch Misprediction Cost: Fraction
>     of TMA slots wasted per non-speculative branch misprediction
>     (retired JEClear)",
>      > -        "MetricExpr": " ( ((BR_MISP_RETIRED.ALL_BRANCHES / (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT )) * ((
>     UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 *
>     INT_MISC.RECOVERY_CYCLES ) / (4 * CPU_CLK_UNHALTED.THREAD))) + (4 *
>     IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / (4 *
>     CPU_CLK_UNHALTED.THREAD)) * (BR_MISP_RETIRED.ALL_BRANCHES * (12 * (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT + BACLEARS.ANY )
>     / CPU_CLK_UNHALTED.THREAD) / ( BR_MISP_RETIRED.ALL_BRANCHES +
>     MACHINE_CLEARS.COUNT + BACLEARS.ANY )) / #(4 *
>     IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / (4 *
>     CPU_CLK_UNHALTED.THREAD)) ) * (4 * CPU_CLK_UNHALTED.THREAD) /
>     BR_MISP_RETIRED.ALL_BRANCHES",
>      > -        "MetricGroup": "Bad;BrMispredicts",
>      > -        "MetricName": "Branch_Misprediction_Cost"
>      > -    },
>      > -    {
>      > -        "BriefDescription": "Branch Misprediction Cost: Fraction
>     of TMA slots wasted per non-speculative branch misprediction
>     (retired JEClear)",
>      > -        "MetricExpr": " ( ((BR_MISP_RETIRED.ALL_BRANCHES / (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT )) * ((
>     UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) ) / (4 * ( (
>     CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK )
>     )))) + (4 * IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / (4 * (
>     ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK ) )))
>     * (BR_MISP_RETIRED.ALL_BRANCHES * (12 * (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT + BACLEARS.ANY )
>     / CPU_CLK_UNHALTED.THREAD) / ( BR_MISP_RETIRED.ALL_BRANCHES +
>     MACHINE_CLEARS.COUNT + BACLEARS.ANY )) / #(4 *
>     IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / (4 * ( (
>     CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK ) )))
>     ) * (4 * ( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK ) ))
>     / BR_MISP_RETIRED.ALL_BRANCHES",
>      > -        "MetricGroup": "Bad;BrMispredicts_SMT",
>      > -        "MetricName": "Branch_Misprediction_Cost_SMT"
>      > -    },
>      > -    {
>      > -        "BriefDescription": "Number of Instructions per
>     non-speculative Branch Misprediction (JEClear)",
>      > -        "MetricExpr": "INST_RETIRED.ANY /
>     BR_MISP_RETIRED.ALL_BRANCHES",
>      > -        "MetricGroup": "Bad;BadSpec;BrMispredicts",
>      > -        "MetricName": "IpMispredict"
>      > -    },
>      >       {
>      >           "BriefDescription": "Core actual clocks when any
>     Logical Processor is active on the Physical Core",
>      >           "MetricExpr": "( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1
>     + CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK ) )",
>      > @@ -256,6 +232,18 @@
>      >           "MetricGroup": "Summary;TmaL1",
>      >           "MetricName": "Instructions"
>      >       },
>      > +    {
>      > +        "BriefDescription": "Average number of Uops retired in
>     cycles where at least one uop has retired.",
>      > +        "MetricExpr": "UOPS_RETIRED.RETIRE_SLOTS /
>     cpu@...S_RETIRED.RETIRE_SLOTS\\,cmask\\=1@",
>      > +        "MetricGroup": "Pipeline;Ret",
>      > +        "MetricName": "Retire"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "",
>      > +        "MetricExpr": "UOPS_EXECUTED.THREAD /
>     cpu@...S_EXECUTED.THREAD\\,cmask\\=1@",
>      > +        "MetricGroup": "Cor;Pipeline;PortsUtil;SMT",
>      > +        "MetricName": "Execute"
>      > +    },
>      >       {
>      >           "BriefDescription": "Fraction of Uops delivered by the
>     DSB (aka Decoded ICache; or Uop Cache)",
>      >           "MetricExpr": "IDQ.DSB_UOPS / (( IDQ.DSB_UOPS +
>     LSD.UOPS + IDQ.MITE_UOPS + IDQ.MS_UOPS ) )",
>      > @@ -263,35 +251,34 @@
>      >           "MetricName": "DSB_Coverage"
>      >       },
>      >       {
>      > -        "BriefDescription": "Actual Average Latency for L1
>     data-cache miss demand load instructions (in core cycles)",
>      > -        "MetricExpr": "L1D_PEND_MISS.PENDING / (
>     MEM_LOAD_UOPS_RETIRED.L1_MISS + mem_load_uops_retired.hit_lfb )",
>      > -        "MetricGroup": "Mem;MemoryBound;MemoryLat",
>      > -        "MetricName": "Load_Miss_Real_Latency",
>      > -        "PublicDescription": "Actual Average Latency for L1
>     data-cache miss demand load instructions (in core cycles). Latency
>     may be overestimated for multi-load instructions - e.g. repeat strings."
>      > +        "BriefDescription": "Number of Instructions per
>     non-speculative Branch Misprediction (JEClear) (lower number means
>     higher occurrence rate)",
>      > +        "MetricExpr": "INST_RETIRED.ANY /
>     BR_MISP_RETIRED.ALL_BRANCHES",
>      > +        "MetricGroup": "Bad;BadSpec;BrMispredicts",
>      > +        "MetricName": "IpMispredict"
>      >       },
>      >       {
>      > -        "BriefDescription": "Memory-Level-Parallelism (average
>     number of L1 miss demand load when there is at least one such miss.
>     Per-Logical Processor)",
>      > -        "MetricExpr": "L1D_PEND_MISS.PENDING /
>     L1D_PEND_MISS.PENDING_CYCLES",
>      > -        "MetricGroup": "Mem;MemoryBound;MemoryBW",
>      > -        "MetricName": "MLP"
>      > +        "BriefDescription": "Branch Misprediction Cost: Fraction
>     of TMA slots wasted per non-speculative branch misprediction
>     (retired JEClear)",
>      > +        "MetricExpr": " ( ((BR_MISP_RETIRED.ALL_BRANCHES / (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT )) * ((
>     UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 *
>     INT_MISC.RECOVERY_CYCLES ) / (4 * CPU_CLK_UNHALTED.THREAD))) + (4 *
>     IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / (4 *
>     CPU_CLK_UNHALTED.THREAD)) * (BR_MISP_RETIRED.ALL_BRANCHES * (12 * (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT + BACLEARS.ANY )
>     / CPU_CLK_UNHALTED.THREAD) / ( BR_MISP_RETIRED.ALL_BRANCHES +
>     MACHINE_CLEARS.COUNT + BACLEARS.ANY )) / #(4 *
>     IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / (4 *
>     CPU_CLK_UNHALTED.THREAD)) ) * (4 * CPU_CLK_UNHALTED.THREAD) /
>     BR_MISP_RETIRED.ALL_BRANCHES",
>      > +        "MetricGroup": "Bad;BrMispredicts",
>      > +        "MetricName": "Branch_Misprediction_Cost"
>      >       },
>      >       {
>      > -        "BriefDescription": "Average data fill bandwidth to the
>     L1 data cache [GB / sec]",
>      > -        "MetricExpr": "64 * L1D.REPLACEMENT / 1000000000 /
>     duration_time",
>      > -        "MetricGroup": "Mem;MemoryBW",
>      > -        "MetricName": "L1D_Cache_Fill_BW"
>      > +        "BriefDescription": "Branch Misprediction Cost: Fraction
>     of TMA slots wasted per non-speculative branch misprediction
>     (retired JEClear)",
>      > +        "MetricExpr": " ( ((BR_MISP_RETIRED.ALL_BRANCHES / (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT )) * ((
>     UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) ) / (4 * ( (
>     CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK )
>     )))) + (4 * IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / (4 * (
>     ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK ) )))
>     * (BR_MISP_RETIRED.ALL_BRANCHES * (12 * (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT + BACLEARS.ANY )
>     / CPU_CLK_UNHALTED.THREAD) / ( BR_MISP_RETIRED.ALL_BRANCHES +
>     MACHINE_CLEARS.COUNT + BACLEARS.ANY )) / #(4 *
>     IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / (4 * ( (
>     CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK ) )))
>     ) * (4 * ( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 +
>     CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_XCLK ) ))
>     / BR_MISP_RETIRED.ALL_BRANCHES",
>      > +        "MetricGroup": "Bad;BrMispredicts_SMT",
>      > +        "MetricName": "Branch_Misprediction_Cost_SMT"
>      >       },
>      >       {
>      > -        "BriefDescription": "Average data fill bandwidth to the
>     L2 cache [GB / sec]",
>      > -        "MetricExpr": "64 * L2_LINES_IN.ALL / 1000000000 /
>     duration_time",
>      > -        "MetricGroup": "Mem;MemoryBW",
>      > -        "MetricName": "L2_Cache_Fill_BW"
>      > +        "BriefDescription": "Actual Average Latency for L1
>     data-cache miss demand load operations (in core cycles)",
>      > +        "MetricExpr": "L1D_PEND_MISS.PENDING / (
>     MEM_LOAD_UOPS_RETIRED.L1_MISS + mem_load_uops_retired.hit_lfb )",
>      > +        "MetricGroup": "Mem;MemoryBound;MemoryLat",
>      > +        "MetricName": "Load_Miss_Real_Latency"
>      >       },
>      >       {
>      > -        "BriefDescription": "Average per-core data fill
>     bandwidth to the L3 cache [GB / sec]",
>      > -        "MetricExpr": "64 * LONGEST_LAT_CACHE.MISS / 1000000000
>     / duration_time",
>      > -        "MetricGroup": "Mem;MemoryBW",
>      > -        "MetricName": "L3_Cache_Fill_BW"
>      > +        "BriefDescription": "Memory-Level-Parallelism (average
>     number of L1 miss demand load when there is at least one such miss.
>     Per-Logical Processor)",
>      > +        "MetricExpr": "L1D_PEND_MISS.PENDING /
>     L1D_PEND_MISS.PENDING_CYCLES",
>      > +        "MetricGroup": "Mem;MemoryBound;MemoryBW",
>      > +        "MetricName": "MLP"
>      >       },
>      >       {
>      >           "BriefDescription": "L1 cache true misses per kilo
>     instruction for retired demand loads",
>      > @@ -306,13 +293,13 @@
>      >           "MetricName": "L2MPKI"
>      >       },
>      >       {
>      > -        "BriefDescription": "L2 cache misses per kilo
>     instruction for all request types (including speculative)",
>      > +        "BriefDescription": "L2 cache ([RKL+] true) misses per
>     kilo instruction for all request types (including speculative)",
>      >           "MetricExpr": "1000 * L2_RQSTS.MISS / INST_RETIRED.ANY",
>      >           "MetricGroup": "Mem;CacheMisses;Offcore",
>      >           "MetricName": "L2MPKI_All"
>      >       },
>      >       {
>      > -        "BriefDescription": "L2 cache misses per kilo
>     instruction for all demand loads  (including speculative)",
>      > +        "BriefDescription": "L2 cache ([RKL+] true) misses per
>     kilo instruction for all demand loads  (including speculative)",
>      >           "MetricExpr": "1000 * L2_RQSTS.DEMAND_DATA_RD_MISS /
>     INST_RETIRED.ANY",
>      >           "MetricGroup": "Mem;CacheMisses",
>      >           "MetricName": "L2MPKI_Load"
>      > @@ -348,6 +335,48 @@
>      >           "MetricGroup": "Mem;MemoryTLB_SMT",
>      >           "MetricName": "Page_Walks_Utilization_SMT"
>      >       },
>      > +    {
>      > +        "BriefDescription": "Average per-core data fill
>     bandwidth to the L1 data cache [GB / sec]",
>      > +        "MetricExpr": "64 * L1D.REPLACEMENT / 1000000000 /
>     duration_time",
>      > +        "MetricGroup": "Mem;MemoryBW",
>      > +        "MetricName": "L1D_Cache_Fill_BW"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average per-core data fill
>     bandwidth to the L2 cache [GB / sec]",
>      > +        "MetricExpr": "64 * L2_LINES_IN.ALL / 1000000000 /
>     duration_time",
>      > +        "MetricGroup": "Mem;MemoryBW",
>      > +        "MetricName": "L2_Cache_Fill_BW"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average per-core data fill
>     bandwidth to the L3 cache [GB / sec]",
>      > +        "MetricExpr": "64 * LONGEST_LAT_CACHE.MISS / 1000000000
>     / duration_time",
>      > +        "MetricGroup": "Mem;MemoryBW",
>      > +        "MetricName": "L3_Cache_Fill_BW"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average per-thread data fill
>     bandwidth to the L1 data cache [GB / sec]",
>      > +        "MetricExpr": "(64 * L1D.REPLACEMENT / 1000000000 /
>     duration_time)",
>      > +        "MetricGroup": "Mem;MemoryBW",
>      > +        "MetricName": "L1D_Cache_Fill_BW_1T"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average per-thread data fill
>     bandwidth to the L2 cache [GB / sec]",
>      > +        "MetricExpr": "(64 * L2_LINES_IN.ALL / 1000000000 /
>     duration_time)",
>      > +        "MetricGroup": "Mem;MemoryBW",
>      > +        "MetricName": "L2_Cache_Fill_BW_1T"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average per-thread data fill
>     bandwidth to the L3 cache [GB / sec]",
>      > +        "MetricExpr": "(64 * LONGEST_LAT_CACHE.MISS / 1000000000
>     / duration_time)",
>      > +        "MetricGroup": "Mem;MemoryBW",
>      > +        "MetricName": "L3_Cache_Fill_BW_1T"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average per-thread data access
>     bandwidth to the L3 cache [GB / sec]",
>      > +        "MetricExpr": "0",
>      > +        "MetricGroup": "Mem;MemoryBW;Offcore",
>      > +        "MetricName": "L3_Cache_Access_BW_1T"
>      > +    },
>      >       {
>      >           "BriefDescription": "Average CPU Utilization",
>      >           "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC / msr@tsc@",
>      > @@ -364,7 +393,8 @@
>      >           "BriefDescription": "Giga Floating Point Operations Per
>     Second",
>      >           "MetricExpr": "( ( 1 * (
>     FP_ARITH_INST_RETIRED.SCALAR_SINGLE +
>     FP_ARITH_INST_RETIRED.SCALAR_DOUBLE ) + 2 *
>     FP_ARITH_INST_RETIRED.128B_PACKED_DOUBLE + 4 * (
>     FP_ARITH_INST_RETIRED.128B_PACKED_SINGLE +
>     FP_ARITH_INST_RETIRED.256B_PACKED_DOUBLE ) + 8 *
>     FP_ARITH_INST_RETIRED.256B_PACKED_SINGLE ) / 1000000000 ) /
>     duration_time",
>      >           "MetricGroup": "Cor;Flops;HPC",
>      > -        "MetricName": "GFLOPs"
>      > +        "MetricName": "GFLOPs",
>      > +        "PublicDescription": "Giga Floating Point Operations Per
>     Second. Aggregate across all supported options of: FP precisions,
>     scalar and vector instructions, vector-width and AMX engine."
>      >       },
>      >       {
>      >           "BriefDescription": "Average Frequency Utilization
>     relative nominal frequency",
>      > @@ -461,5 +491,439 @@
>      >           "MetricExpr": "(cstate_pkg@c7\\-residency@ / msr@tsc@)
>     * 100",
>      >           "MetricGroup": "Power",
>      >           "MetricName": "C7_Pkg_Residency"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "CPU operating frequency (in GHz)",
>      > +        "MetricExpr": "( CPU_CLK_UNHALTED.THREAD /
>     CPU_CLK_UNHALTED.REF_TSC * #SYSTEM_TSC_FREQ ) / 1000000000",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "cpu_operating_frequency",
>      > +        "ScaleUnit": "1GHz"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Cycles per instruction retired;
>     indicating how much time each executed instruction took; in units of
>     cycles.",
>      > +        "MetricExpr": "CPU_CLK_UNHALTED.THREAD / INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "cpi",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "The ratio of number of completed
>     memory load instructions to the total number completed instructions",
>      > +        "MetricExpr": "MEM_UOPS_RETIRED.ALL_LOADS /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "loads_per_instr",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "The ratio of number of completed
>     memory store instructions to the total number completed instructions",
>      > +        "MetricExpr": "MEM_UOPS_RETIRED.ALL_STORES /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "stores_per_instr",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of requests missing
>     L1 data cache (includes data+rfo w/ prefetches) to the total number
>     of completed instructions",
>      > +        "MetricExpr": "L1D.REPLACEMENT / INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "l1d_mpi_includes_data_plus_rfo_with_prefetches",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of demand load
>     requests hitting in L1 data cache to the total number of completed
>     instructions",
>      > +        "MetricExpr": "MEM_LOAD_UOPS_RETIRED.L1_HIT /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "l1d_demand_data_read_hits_per_instr",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of code read
>     requests missing in L1 instruction cache (includes prefetches) to
>     the total number of completed instructions",
>      > +        "MetricExpr": "L2_RQSTS.ALL_CODE_RD / INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "l1_i_code_read_misses_with_prefetches_per_instr",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of completed demand
>     load requests hitting in L2 cache to the total number of completed
>     instructions",
>      > +        "MetricExpr": "MEM_LOAD_UOPS_RETIRED.L2_HIT /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "l2_demand_data_read_hits_per_instr",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of requests missing
>     L2 cache (includes code+data+rfo w/ prefetches) to the total number
>     of completed instructions",
>      > +        "MetricExpr": "L2_LINES_IN.ALL / INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "l2_mpi_includes_code_plus_data_plus_rfo_with_prefetches",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of completed data
>     read request missing L2 cache to the total number of completed
>     instructions",
>      > +        "MetricExpr": "MEM_LOAD_UOPS_RETIRED.L2_MISS /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "l2_demand_data_read_mpi",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of code read
>     request missing L2 cache to the total number of completed instructions",
>      > +        "MetricExpr": "L2_RQSTS.CODE_RD_MISS / INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "l2_demand_code_mpi",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of data read
>     requests missing last level core cache (includes demand w/
>     prefetches) to the total number of completed instructions",
>      > +        "MetricExpr": "(
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ +
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x192@ ) /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "llc_data_read_mpi_demand_plus_prefetch",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of code read
>     requests missing last level core cache (includes demand w/
>     prefetches) to the total number of completed instructions",
>      > +        "MetricExpr": "(
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x181@ +
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x191@ ) /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "llc_code_read_mpi_demand_plus_prefetch",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average latency of a last level
>     cache (LLC) demand and prefetch data read miss (read memory access)
>     in nano seconds",
>      > +        "MetricExpr": "( 1000000000 * (
>     cbox@..._C_TOR_OCCUPANCY.MISS_OPCODE\\,filter_opc\\=0x182@ /
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ ) / (
>     UNC_C_CLOCKTICKS / ( source_count(UNC_C_CLOCKTICKS) * #num_packages
>     ) ) ) * duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "llc_data_read_demand_plus_prefetch_miss_latency",
>      > +        "ScaleUnit": "1ns"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average latency of a last level
>     cache (LLC) demand and prefetch data read miss (read memory access)
>     addressed to local memory in nano seconds",
>      > +        "MetricExpr": "( 1000000000 * (
>     cbox@..._C_TOR_OCCUPANCY.MISS_LOCAL_OPCODE\\,filter_opc\\=0x182@ /
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ ) / (
>     UNC_C_CLOCKTICKS / ( source_count(UNC_C_CLOCKTICKS) * #num_packages
>     ) ) ) * duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "llc_data_read_demand_plus_prefetch_miss_latency_for_local_requests",
>      > +        "ScaleUnit": "1ns"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Average latency of a last level
>     cache (LLC) demand and prefetch data read miss (read memory access)
>     addressed to remote memory in nano seconds",
>      > +        "MetricExpr": "( 1000000000 * (
>     cbox@..._C_TOR_OCCUPANCY.MISS_REMOTE_OPCODE\\,filter_opc\\=0x182@ /
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ ) / (
>     UNC_C_CLOCKTICKS / ( source_count(UNC_C_CLOCKTICKS) * #num_packages
>     ) ) ) * duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "llc_data_read_demand_plus_prefetch_miss_latency_for_remote_requests",
>      > +        "ScaleUnit": "1ns"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of completed page
>     walks (for all page sizes) caused by a code fetch to the total
>     number of completed instructions. This implies it missed in the ITLB
>     (Instruction TLB) and further levels of TLB.",
>      > +        "MetricExpr": "ITLB_MISSES.WALK_COMPLETED /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "itlb_mpi",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of completed page
>     walks (for 2 megabyte and 4 megabyte page sizes) caused by a code
>     fetch to the total number of completed instructions. This implies it
>     missed in the Instruction Translation Lookaside Buffer (ITLB) and
>     further levels of TLB.",
>      > +        "MetricExpr": "ITLB_MISSES.WALK_COMPLETED_2M_4M /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "itlb_large_page_mpi",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of completed page
>     walks (for all page sizes) caused by demand data loads to the total
>     number of completed instructions. This implies it missed in the DTLB
>     and further levels of TLB.",
>      > +        "MetricExpr": "DTLB_LOAD_MISSES.WALK_COMPLETED /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "dtlb_load_mpi",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Ratio of number of completed page
>     walks (for all page sizes) caused by demand data stores to the total
>     number of completed instructions. This implies it missed in the DTLB
>     and further levels of TLB.",
>      > +        "MetricExpr": "DTLB_STORE_MISSES.WALK_COMPLETED /
>     INST_RETIRED.ANY",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "dtlb_store_mpi",
>      > +        "ScaleUnit": "1per_instr"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Memory read that miss the last
>     level cache (LLC) addressed to local DRAM as a percentage of total
>     memory read accesses, does not include LLC prefetches.",
>      > +        "MetricExpr": "100 *
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ / (
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ +
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ )",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "numa_percent_reads_addressed_to_local_dram",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Memory reads that miss the last
>     level cache (LLC) addressed to remote DRAM as a percentage of total
>     memory read accesses, does not include LLC prefetches.",
>      > +        "MetricExpr": "100 *
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ / (
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ +
>     cbox@..._C_TOR_INSERTS.MISS_OPCODE\\,filter_opc\\=0x182@ )",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "numa_percent_reads_addressed_to_remote_dram",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Uncore operating frequency in GHz",
>      > +        "MetricExpr": "UNC_C_CLOCKTICKS / (
>     source_count(UNC_C_CLOCKTICKS) * #num_packages ) / 1000000000",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "uncore_frequency",
>      > +        "ScaleUnit": "1GHz"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Intel(R) Quick Path Interconnect
>     (QPI) data transmit bandwidth (MB/sec)",
>      > +        "MetricExpr": "( UNC_Q_TxL_FLITS_G0.DATA * 8 / 1000000)
>     / duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "qpi_data_transmit_bw_only_data",
>      > +        "ScaleUnit": "1MB/s"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "DDR memory read bandwidth (MB/sec)",
>      > +        "MetricExpr": "( UNC_M_CAS_COUNT.RD * 64 / 1000000) /
>     duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "memory_bandwidth_read",
>      > +        "ScaleUnit": "1MB/s"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "DDR memory write bandwidth (MB/sec)",
>      > +        "MetricExpr": "( UNC_M_CAS_COUNT.WR * 64 / 1000000) /
>     duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "memory_bandwidth_write",
>      > +        "ScaleUnit": "1MB/s"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "DDR memory bandwidth (MB/sec)",
>      > +        "MetricExpr": "(( UNC_M_CAS_COUNT.RD +
>     UNC_M_CAS_COUNT.WR ) * 64 / 1000000) / duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "memory_bandwidth_total",
>      > +        "ScaleUnit": "1MB/s"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Bandwidth of IO reads that are
>     initiated by end device controllers that are requesting memory from
>     the CPU.",
>      > +        "MetricExpr": "(
>     cbox@..._C_TOR_INSERTS.OPCODE\\,filter_opc\\=0x19e@ * 64 / 1000000)
>     / duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "io_bandwidth_read",
>      > +        "ScaleUnit": "1MB/s"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Bandwidth of IO writes that are
>     initiated by end device controllers that are writing memory to the
>     CPU.",
>      > +        "MetricExpr": "((
>     cbox@..._C_TOR_INSERTS.OPCODE\\,filter_opc\\=0x1c8\\,filter_tid\\=0x3e@
>     +
>     cbox@..._C_TOR_INSERTS.OPCODE\\,filter_opc\\=0x180\\,filter_tid\\=0x3e@
>     ) * 64 / 1000000) / duration_time",
>      > +        "MetricGroup": "",
>      > +        "MetricName": "io_bandwidth_write",
>      > +        "ScaleUnit": "1MB/s"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Uops delivered from decoded
>     instruction cache (decoded stream buffer or DSB) as a percent of
>     total uops delivered to Instruction Decode Queue",
>      > +        "MetricExpr": "100 * ( IDQ.DSB_UOPS / UOPS_ISSUED.ANY )",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "percent_uops_delivered_from_decoded_icache_dsb",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Uops delivered from legacy decode
>     pipeline (Micro-instruction Translation Engine or MITE) as a percent
>     of total uops delivered to Instruction Decode Queue",
>      > +        "MetricExpr": "100 * ( IDQ.MITE_UOPS / UOPS_ISSUED.ANY )",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "percent_uops_delivered_from_legacy_decode_pipeline_mite",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Uops delivered from microcode
>     sequencer (MS) as a percent of total uops delivered to Instruction
>     Decode Queue",
>      > +        "MetricExpr": "100 * ( IDQ.MS_UOPS / UOPS_ISSUED.ANY )",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "percent_uops_delivered_from_microcode_sequencer_ms",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "Uops delivered from loop stream
>     detector(LSD) as a percent of total uops delivered to Instruction
>     Decode Queue",
>      > +        "MetricExpr": "100 * ( LSD.UOPS / UOPS_ISSUED.ANY )",
>      > +        "MetricGroup": "",
>      > +        "MetricName":
>     "percent_uops_delivered_from_loop_stream_detector_lsd",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This category represents fraction
>     of slots where the processor's Frontend undersupplies its Backend.
>     Frontend denotes the first part of the processor core responsible to
>     fetch operations that are executed later on by the Backend part.
>     Within the Frontend; a branch predictor predicts the next address to
>     fetch; cache-lines are fetched from the memory subsystem; parsed
>     into instructions; and lastly decoded into micro-operations (uops).
>     Ideally the Frontend can issue Machine_Width uops every cycle to the
>     Backend. Frontend Bound denotes unutilized issue-slots when there is
>     no Backend stall; i.e. bubbles where Frontend delivered no uops
>     while Backend could have accepted them. For example; stalls due to
>     instruction-cache misses would be categorized under Frontend Bound.",
>      > +        "MetricExpr": "100 * ( IDQ_UOPS_NOT_DELIVERED.CORE / ( (
>     4 ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) )",
>      > +        "MetricGroup": "TmaL1;PGO",
>      > +        "MetricName": "tma_frontend_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots the CPU was stalled due to Frontend latency issues.  For
>     example; instruction-cache misses; iTLB misses or fetch stalls after
>     a branch misprediction are categorized under Frontend Latency. In
>     such cases; the Frontend eventually delivers no uops for some period.",
>      > +        "MetricExpr": "100 * ( ( 4 ) *
>     IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) )",
>      > +        "MetricGroup":
>     "Frontend;TmaL2;m_tma_frontend_bound_percent",
>      > +        "MetricName": "tma_fetch_latency_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     cycles the CPU was stalled due to instruction cache misses.",
>      > +        "MetricExpr": "100 * ( ICACHE.IFDATA_STALL / (
>     CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup":
>     "BigFoot;FetchLat;IcMiss;TmaL3;m_tma_fetch_latency_percent",
>      > +        "MetricName": "tma_icache_misses_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     cycles the CPU was stalled due to Instruction TLB (ITLB) misses.",
>      > +        "MetricExpr": "100 * ( ( 14 * ITLB_MISSES.STLB_HIT +
>     cpu@...B_MISSES.WALK_DURATION\\,cmask\\=0x1@ + 7 *
>     ITLB_MISSES.WALK_COMPLETED ) / ( CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup":
>     "BigFoot;FetchLat;MemoryTLB;TmaL3;m_tma_fetch_latency_percent",
>      > +        "MetricName": "tma_itlb_misses_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     cycles the CPU was stalled due to Branch Resteers. Branch Resteers
>     estimates the Frontend delay in fetching operations from corrected
>     path; following all sorts of miss-predicted branches. For example;
>     branchy code with lots of miss-predictions might get categorized
>     under Branch Resteers. Note the value of this node may overlap with
>     its siblings.",
>      > +        "MetricExpr": "100 * ( ( 12 ) * (
>     BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT + BACLEARS.ANY )
>     / ( CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup": "FetchLat;TmaL3;m_tma_fetch_latency_percent",
>      > +        "MetricName": "tma_branch_resteers_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     cycles the CPU was stalled due to switches from DSB to MITE
>     pipelines. The DSB (decoded i-cache) is a Uop Cache where the
>     front-end directly delivers Uops (micro operations) avoiding heavy
>     x86 decoding. The DSB pipeline has shorter latency and delivered
>     higher bandwidth than the MITE (legacy instruction decode pipeline).
>     Switching between the two pipelines can cause penalties hence this
>     metric measures the exposed penalty.",
>      > +        "MetricExpr": "100 * ( DSB2MITE_SWITCHES.PENALTY_CYCLES
>     / ( CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup":
>     "DSBmiss;FetchLat;TmaL3;m_tma_fetch_latency_percent",
>      > +        "MetricName": "tma_dsb_switches_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     cycles CPU was stalled due to Length Changing Prefixes (LCPs). Using
>     proper compiler flags or Intel Compiler by default will certainly
>     avoid this. #Link: Optimization Guide about LCP BKMs.",
>      > +        "MetricExpr": "100 * ( ILD_STALL.LCP / (
>     CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup": "FetchLat;TmaL3;m_tma_fetch_latency_percent",
>      > +        "MetricName": "tma_lcp_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric estimates the fraction
>     of cycles when the CPU was stalled due to switches of uop delivery
>     to the Microcode Sequencer (MS). Commonly used instructions are
>     optimized for delivery by the DSB (decoded i-cache) or MITE (legacy
>     instruction decode) pipelines. Certain operations cannot be handled
>     natively by the execution pipeline; and must be performed by
>     microcode (small programs injected into the execution stream).
>     Switching to the MS too often can negatively impact performance. The
>     MS is designated to deliver long uop flows required by CISC
>     instructions like CPUID; or uncommon conditions like Floating Point
>     Assists when dealing with Denormals.",
>      > +        "MetricExpr": "100 * ( ( 2 ) * IDQ.MS_SWITCHES / (
>     CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup":
>     "FetchLat;MicroSeq;TmaL3;m_tma_fetch_latency_percent",
>      > +        "MetricName": "tma_ms_switches_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots the CPU was stalled due to Frontend bandwidth issues.  For
>     example; inefficiencies at the instruction decoders; or restrictions
>     for caching in the DSB (decoded uops cache) are categorized under
>     Fetch Bandwidth. In such cases; the Frontend typically delivers
>     suboptimal amount of uops to the Backend.",
>      > +        "MetricExpr": "100 * ( ( IDQ_UOPS_NOT_DELIVERED.CORE / (
>     ( 4 ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) - ( ( 4 ) *
>     IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) )",
>      > +        "MetricGroup":
>     "FetchBW;Frontend;TmaL2;m_tma_frontend_bound_percent",
>      > +        "MetricName": "tma_fetch_bandwidth_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents Core
>     fraction of cycles in which CPU was likely limited due to the MITE
>     pipeline (the legacy decode pipeline). This pipeline is used for
>     code that was not pre-cached in the DSB or LSD. For example;
>     inefficiencies due to asymmetric decoders; use of long immediate or
>     LCP can manifest as MITE fetch bandwidth bottleneck.",
>      > +        "MetricExpr": "100 * ( ( IDQ.ALL_MITE_CYCLES_ANY_UOPS -
>     IDQ.ALL_MITE_CYCLES_4_UOPS ) / ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 )
>     if #SMT_on else ( CPU_CLK_UNHALTED.THREAD ) ) / 2 )",
>      > +        "MetricGroup":
>     "DSBmiss;FetchBW;TmaL3;m_tma_fetch_bandwidth_percent",
>      > +        "MetricName": "tma_mite_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents Core
>     fraction of cycles in which CPU was likely limited due to DSB
>     (decoded uop cache) fetch pipeline.  For example; inefficient
>     utilization of the DSB cache structure or bank conflict when reading
>     from it; are categorized here.",
>      > +        "MetricExpr": "100 * ( ( IDQ.ALL_DSB_CYCLES_ANY_UOPS -
>     IDQ.ALL_DSB_CYCLES_4_UOPS ) / ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 )
>     if #SMT_on else ( CPU_CLK_UNHALTED.THREAD ) ) / 2 )",
>      > +        "MetricGroup":
>     "DSB;FetchBW;TmaL3;m_tma_fetch_bandwidth_percent",
>      > +        "MetricName": "tma_dsb_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This category represents fraction
>     of slots wasted due to incorrect speculations. This include slots
>     used to issue uops that do not eventually get retired and slots for
>     which the issue-pipeline was blocked due to recovery from earlier
>     incorrect speculation. For example; wasted work due to
>     miss-predicted branches are categorized under Bad Speculation
>     category. Incorrect data speculation followed by Memory Ordering
>     Nukes is another example.",
>      > +        "MetricExpr": "100 * ( ( UOPS_ISSUED.ANY - (
>     UOPS_RETIRED.RETIRE_SLOTS ) + ( 4 ) * ( (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) if #SMT_on else
>     INT_MISC.RECOVERY_CYCLES ) ) / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) )",
>      > +        "MetricGroup": "TmaL1",
>      > +        "MetricName": "tma_bad_speculation_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots the CPU has wasted due to Branch Misprediction.  These slots
>     are either wasted by uops fetched from an incorrectly speculated
>     program path; or stalls when the out-of-order part of the machine
>     needs to recover its state from a speculative path.",
>      > +        "MetricExpr": "100 * ( ( BR_MISP_RETIRED.ALL_BRANCHES /
>     ( BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT ) ) * ( (
>     UOPS_ISSUED.ANY - ( UOPS_RETIRED.RETIRE_SLOTS ) + ( 4 ) * ( (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) if #SMT_on else
>     INT_MISC.RECOVERY_CYCLES ) ) / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) )",
>      > +        "MetricGroup":
>     "BadSpec;BrMispredicts;TmaL2;m_tma_bad_speculation_percent",
>      > +        "MetricName": "tma_branch_mispredicts_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots the CPU has wasted due to Machine Clears.  These slots are
>     either wasted by uops fetched prior to the clear; or stalls the
>     out-of-order portion of the machine needs to recover its state after
>     the clear. For example; this can happen due to memory ordering Nukes
>     (e.g. Memory Disambiguation) or Self-Modifying-Code (SMC) nukes.",
>      > +        "MetricExpr": "100 * ( ( ( UOPS_ISSUED.ANY - (
>     UOPS_RETIRED.RETIRE_SLOTS ) + ( 4 ) * ( (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) if #SMT_on else
>     INT_MISC.RECOVERY_CYCLES ) ) / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) - ( ( BR_MISP_RETIRED.ALL_BRANCHES /
>     ( BR_MISP_RETIRED.ALL_BRANCHES + MACHINE_CLEARS.COUNT ) ) * ( (
>     UOPS_ISSUED.ANY - ( UOPS_RETIRED.RETIRE_SLOTS ) + ( 4 ) * ( (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) if #SMT_on else
>     INT_MISC.RECOVERY_CYCLES ) ) / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) ) )",
>      > +        "MetricGroup":
>     "BadSpec;MachineClears;TmaL2;m_tma_bad_speculation_percent",
>      > +        "MetricName": "tma_machine_clears_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This category represents fraction
>     of slots where no uops are being delivered due to a lack of required
>     resources for accepting new uops in the Backend. Backend is the
>     portion of the processor core where the out-of-order scheduler
>     dispatches ready uops into their respective execution units; and
>     once completed these uops get retired according to program order.
>     For example; stalls due to data-cache misses or stalls due to the
>     divider unit being overloaded are both categorized under Backend
>     Bound. Backend Bound is further divided into two main categories:
>     Memory Bound and Core Bound.",
>      > +        "MetricExpr": "100 * ( 1 - ( (
>     IDQ_UOPS_NOT_DELIVERED.CORE / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) + ( ( UOPS_ISSUED.ANY - (
>     UOPS_RETIRED.RETIRE_SLOTS ) + ( 4 ) * ( (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) if #SMT_on else
>     INT_MISC.RECOVERY_CYCLES ) ) / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) + ( ( UOPS_RETIRED.RETIRE_SLOTS ) /
>     ( ( 4 ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) ) )",
>      > +        "MetricGroup": "TmaL1",
>      > +        "MetricName": "tma_backend_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots the Memory subsystem within the Backend was a bottleneck. 
>     Memory Bound estimates fraction of slots where pipeline is likely
>     stalled due to demand load or store instructions. This accounts
>     mainly for (1) non-completed in-flight memory demand loads which
>     coincides with execution units starvation; in addition to (2) cases
>     where stores could impose backpressure on the pipeline when many of
>     them get buffered at the same time (less common out of the two).",
>      > +        "MetricExpr": "100 * ( ( ( CYCLE_ACTIVITY.STALLS_MEM_ANY
>     + RESOURCE_STALLS.SB <http://RESOURCE_STALLS.SB> ) / ( (
>     CYCLE_ACTIVITY.STALLS_TOTAL + UOPS_EXECUTED.CYCLES_GE_1_UOP_EXEC - (
>     UOPS_EXECUTED.CYCLES_GE_3_UOPS_EXEC if ( ( INST_RETIRED.ANY / (
>     CPU_CLK_UNHALTED.THREAD ) ) > 1.8 ) else
>     UOPS_EXECUTED.CYCLES_GE_2_UOPS_EXEC ) - ( RS_EVENTS.EMPTY_CYCLES if
>     ( ( ( 4 ) * IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / ( ( 4
>     ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) > 0.1 ) else 0 ) +
>     RESOURCE_STALLS.SB <http://RESOURCE_STALLS.SB> ) ) ) * ( 1 - ( (
>     IDQ_UOPS_NOT_DELIVERED.CORE / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) + ( ( UOPS_ISSUED.ANY - (
>     UOPS_RETIRED.RETIRE_SLOTS ) + ( 4 ) * ( (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) if #SMT_on else
>     INT_MISC.RECOVERY_CYCLES ) ) / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) + ( ( UOPS_RETIRED.RETIRE_SLOTS ) /
>     ( ( 4 ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) ) ) )",
>      > +        "MetricGroup": "Backend;TmaL2;m_tma_backend_bound_percent",
>      > +        "MetricName": "tma_memory_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric estimates how often the
>     CPU was stalled without loads missing the L1 data cache.  The L1
>     data cache typically has the shortest latency.  However; in certain
>     cases like loads blocked on older stores; a load might suffer due to
>     high latency even though it is being satisfied by the L1. Another
>     example is loads who miss in the TLB. These cases are characterized
>     by execution unit stalls; while some non-completed demand load lives
>     in the machine without having that demand load missing the L1 cache.",
>      > +        "MetricExpr": "100 * ( max( (
>     CYCLE_ACTIVITY.STALLS_MEM_ANY - CYCLE_ACTIVITY.STALLS_L1D_MISS ) / (
>     CPU_CLK_UNHALTED.THREAD ) , 0 ) )",
>      > +        "MetricGroup":
>     "CacheMisses;MemoryBound;TmaL3mem;TmaL3;m_tma_memory_bound_percent",
>      > +        "MetricName": "tma_l1_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric estimates how often the
>     CPU was stalled due to L2 cache accesses by loads.  Avoiding cache
>     misses (i.e. L1 misses/L2 hits) can improve the latency and increase
>     performance.",
>      > +        "MetricExpr": "100 * ( ( CYCLE_ACTIVITY.STALLS_L1D_MISS
>     - CYCLE_ACTIVITY.STALLS_L2_MISS ) / ( CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup":
>     "CacheMisses;MemoryBound;TmaL3mem;TmaL3;m_tma_memory_bound_percent",
>      > +        "MetricName": "tma_l2_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric estimates how often the
>     CPU was stalled due to loads accesses to L3 cache or contended with
>     a sibling Core.  Avoiding cache misses (i.e. L2 misses/L3 hits) can
>     improve the latency and increase performance.",
>      > +        "MetricExpr": "100 * ( ( MEM_LOAD_UOPS_RETIRED.L3_HIT /
>     ( MEM_LOAD_UOPS_RETIRED.L3_HIT + ( 7 ) *
>     MEM_LOAD_UOPS_RETIRED.L3_MISS ) ) * CYCLE_ACTIVITY.STALLS_L2_MISS /
>     ( CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup":
>     "CacheMisses;MemoryBound;TmaL3mem;TmaL3;m_tma_memory_bound_percent",
>      > +        "MetricName": "tma_l3_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric estimates how often the
>     CPU was stalled on accesses to external memory (DRAM) by loads.
>     Better caching can improve the latency and increase performance.",
>      > +        "MetricExpr": "100 * ( min( ( ( 1 - (
>     MEM_LOAD_UOPS_RETIRED.L3_HIT / ( MEM_LOAD_UOPS_RETIRED.L3_HIT + ( 7
>     ) * MEM_LOAD_UOPS_RETIRED.L3_MISS ) ) ) *
>     CYCLE_ACTIVITY.STALLS_L2_MISS / ( CPU_CLK_UNHALTED.THREAD ) ) , ( 1
>     ) ) )",
>      > +        "MetricGroup":
>     "MemoryBound;TmaL3mem;TmaL3;m_tma_memory_bound_percent",
>      > +        "MetricName": "tma_dram_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric estimates how often CPU
>     was stalled  due to RFO store memory accesses; RFO store issue a
>     read-for-ownership request before the write. Even though store
>     accesses do not typically stall out-of-order CPUs; there are few
>     cases where stores can lead to actual stalls. This metric will be
>     flagged should RFO stores be a bottleneck.",
>      > +        "MetricExpr": "100 * ( RESOURCE_STALLS.SB
>     <http://RESOURCE_STALLS.SB> / ( CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup":
>     "MemoryBound;TmaL3mem;TmaL3;m_tma_memory_bound_percent",
>      > +        "MetricName": "tma_store_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots where Core non-memory issues were of a bottleneck.  Shortage
>     in hardware compute resources; or dependencies in software's
>     instructions are both categorized under Core Bound. Hence it may
>     indicate the machine ran out of an out-of-order resource; certain
>     execution units are overloaded or dependencies in program's data- or
>     instruction-flow are limiting the performance (e.g. FP-chained
>     long-latency arithmetic operations).",
>      > +        "MetricExpr": "100 * ( ( 1 - ( (
>     IDQ_UOPS_NOT_DELIVERED.CORE / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) + ( ( UOPS_ISSUED.ANY - (
>     UOPS_RETIRED.RETIRE_SLOTS ) + ( 4 ) * ( (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) if #SMT_on else
>     INT_MISC.RECOVERY_CYCLES ) ) / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) + ( ( UOPS_RETIRED.RETIRE_SLOTS ) /
>     ( ( 4 ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) ) ) - ( ( (
>     CYCLE_ACTIVITY.STALLS_MEM_ANY + RESOURCE_STALLS.SB
>     <http://RESOURCE_STALLS.SB> ) / ( ( CYCLE_ACTIVITY.STALLS_TOTAL +
>     UOPS_EXECUTED.CYCLES_GE_1_UOP_EXEC - (
>     UOPS_EXECUTED.CYCLES_GE_3_UOPS_EXEC if ( ( INST_RETIRED.ANY / (
>     CPU_CLK_UNHALTED.THREAD ) ) > 1.8 ) else
>     UOPS_EXECUTED.CYCLES_GE_2_UOPS_EXEC ) - ( RS_EVENTS.EMPTY_CYCLES if
>     ( ( ( 4 ) * IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / ( ( 4
>     ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) > 0.1 ) else 0 ) +
>     RESOURCE_STALLS.SB <http://RESOURCE_STALLS.SB> ) ) ) * ( 1 - ( (
>     IDQ_UOPS_NOT_DELIVERED.CORE / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) + ( ( UOPS_ISSUED.ANY - (
>     UOPS_RETIRED.RETIRE_SLOTS ) + ( 4 ) * ( (
>     INT_MISC.RECOVERY_CYCLES_ANY / 2 ) if #SMT_on else
>     INT_MISC.RECOVERY_CYCLES ) ) / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) + ( ( UOPS_RETIRED.RETIRE_SLOTS ) /
>     ( ( 4 ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) ) ) ) )",
>      > +        "MetricGroup":
>     "Backend;TmaL2;Compute;m_tma_backend_bound_percent",
>      > +        "MetricName": "tma_core_bound_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     cycles where the Divider unit was active. Divide and square root
>     instructions are performed by the Divider unit and can take
>     considerably longer latency than integer or Floating Point addition;
>     subtraction; or multiplication.",
>      > +        "MetricExpr": "100 * ( ARITH.FPU_DIV_ACTIVE / ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) )",
>      > +        "MetricGroup": "TmaL3;m_tma_core_bound_percent",
>      > +        "MetricName": "tma_divider_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric estimates fraction of
>     cycles the CPU performance was potentially limited due to Core
>     computation issues (non divider-related).  Two distinct categories
>     can be attributed into this metric: (1) heavy data-dependency among
>     contiguous instructions would manifest in this metric - such cases
>     are often referred to as low Instruction Level Parallelism (ILP).
>     (2) Contention on some hardware execution unit other than Divider.
>     For example; when there are too many multiply operations.",
>      > +        "MetricExpr": "100 * ( ( ( ( CYCLE_ACTIVITY.STALLS_TOTAL
>     + UOPS_EXECUTED.CYCLES_GE_1_UOP_EXEC - (
>     UOPS_EXECUTED.CYCLES_GE_3_UOPS_EXEC if ( ( INST_RETIRED.ANY / (
>     CPU_CLK_UNHALTED.THREAD ) ) > 1.8 ) else
>     UOPS_EXECUTED.CYCLES_GE_2_UOPS_EXEC ) - ( RS_EVENTS.EMPTY_CYCLES if
>     ( ( ( 4 ) * IDQ_UOPS_NOT_DELIVERED.CYCLES_0_UOPS_DELIV.CORE / ( ( 4
>     ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) > 0.1 ) else 0 ) +
>     RESOURCE_STALLS.SB <http://RESOURCE_STALLS.SB> ) ) -
>     RESOURCE_STALLS.SB <http://RESOURCE_STALLS.SB> -
>     CYCLE_ACTIVITY.STALLS_MEM_ANY ) / ( CPU_CLK_UNHALTED.THREAD ) )",
>      > +        "MetricGroup": "PortsUtil;TmaL3;m_tma_core_bound_percent",
>      > +        "MetricName": "tma_ports_utilization_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This category represents fraction
>     of slots utilized by useful work i.e. issued uops that eventually
>     get retired. Ideally; all pipeline slots would be attributed to the
>     Retiring category.  Retiring of 100% would indicate the maximum
>     Pipeline_Width throughput was achieved.  Maximizing Retiring
>     typically increases the Instructions-per-cycle (see IPC metric).
>     Note that a high Retiring value does not necessary mean there is no
>     room for more performance.  For example; Heavy-operations or
>     Microcode Assists are categorized under Retiring. They often
>     indicate suboptimal performance and can often be optimized or
>     avoided. ",
>      > +        "MetricExpr": "100 * ( ( UOPS_RETIRED.RETIRE_SLOTS ) / (
>     ( 4 ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) )",
>      > +        "MetricGroup": "TmaL1",
>      > +        "MetricName": "tma_retiring_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots where the CPU was retiring light-weight operations --
>     instructions that require no more than one uop (micro-operation).
>     This correlates with total number of instructions used by the
>     program. A uops-per-instruction (see UPI metric) ratio of 1 or less
>     should be expected for decently optimized software running on Intel
>     Core/Xeon products. While this often indicates efficient X86
>     instructions were executed; high value does not necessarily mean
>     better performance cannot be achieved.",
>      > +        "MetricExpr": "100 * ( ( ( UOPS_RETIRED.RETIRE_SLOTS ) /
>     ( ( 4 ) * ( ( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) - ( ( ( ( UOPS_RETIRED.RETIRE_SLOTS
>     ) / UOPS_ISSUED.ANY ) * IDQ.MS_UOPS / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) ) )",
>      > +        "MetricGroup": "Retire;TmaL2;m_tma_retiring_percent",
>      > +        "MetricName": "tma_light_operations_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents overall
>     arithmetic floating-point (FP) operations fraction the CPU has
>     executed (retired). Note this metric's value may exceed its parent
>     due to use of \"Uops\" CountDomain and FMA double-counting.",
>      > +        "MetricExpr": "100 * ( ( INST_RETIRED.X87 * ( (
>     UOPS_RETIRED.RETIRE_SLOTS ) / INST_RETIRED.ANY ) / (
>     UOPS_RETIRED.RETIRE_SLOTS ) ) + ( (
>     FP_ARITH_INST_RETIRED.SCALAR_SINGLE +
>     FP_ARITH_INST_RETIRED.SCALAR_DOUBLE ) / ( UOPS_RETIRED.RETIRE_SLOTS
>     ) ) + ( min( ( ( FP_ARITH_INST_RETIRED.128B_PACKED_DOUBLE +
>     FP_ARITH_INST_RETIRED.128B_PACKED_SINGLE +
>     FP_ARITH_INST_RETIRED.256B_PACKED_DOUBLE +
>     FP_ARITH_INST_RETIRED.256B_PACKED_SINGLE ) / (
>     UOPS_RETIRED.RETIRE_SLOTS ) ) , ( 1 ) ) ) )",
>      > +        "MetricGroup": "HPC;TmaL3;m_tma_light_operations_percent",
>      > +        "MetricName": "tma_fp_arith_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots where the CPU was retiring heavy-weight operations --
>     instructions that require two or more uops or microcoded sequences.
>     This highly-correlates with the uop length of these
>     instructions/sequences.",
>      > +        "MetricExpr": "100 * ( ( ( ( UOPS_RETIRED.RETIRE_SLOTS )
>     / UOPS_ISSUED.ANY ) * IDQ.MS_UOPS / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) ) )",
>      > +        "MetricGroup": "Retire;TmaL2;m_tma_retiring_percent",
>      > +        "MetricName": "tma_heavy_operations_percent",
>      > +        "ScaleUnit": "1%"
>      > +    },
>      > +    {
>      > +        "BriefDescription": "This metric represents fraction of
>     slots the CPU was retiring uops fetched by the Microcode Sequencer
>     (MS) unit.  The MS is used for CISC instructions not supported by
>     the default decoders (like repeat move strings; or CPUID); or by
>     microcode assists used to address some operation modes (like in
>     Floating Point assists). These cases can often be avoided.",
>      > +        "MetricExpr": "100 * ( ( ( UOPS_RETIRED.RETIRE_SLOTS ) /
>     UOPS_ISSUED.ANY ) * IDQ.MS_UOPS / ( ( 4 ) * ( (
>     CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else (
>     CPU_CLK_UNHALTED.THREAD ) ) ) )",
>      > +        "MetricGroup":
>     "MicroSeq;TmaL3;m_tma_heavy_operations_percent",
>      > +        "MetricName": "tma_microcode_sequencer_percent",
>      > +        "ScaleUnit": "1%"
>      >       }
>      >   ]
>      > diff --git a/tools/perf/pmu-events/arch/x86/broadwellx/cache.json
>     b/tools/perf/pmu-events/arch/x86/broadwellx/cache.json
>      > index 127abe08362f..2efc4c0ee740 100644
>      > --- a/tools/perf/pmu-events/arch/x86/broadwellx/cache.json
>      > +++ b/tools/perf/pmu-events/arch/x86/broadwellx/cache.json
>      > @@ -814,9 +814,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_CODE_RD.LLC_HIT.HIT_OTHER_CORE_NO_FWD",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x04003C0244",
>      > +        "MSRValue": "0x4003C0244",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch code
>     reads hit in the L3 and the snoops to sibling cores hit in either
>     E/S state and the line is not forwarded",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -829,7 +828,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x10003C0091",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch data
>     reads hit in the L3 and the snoop to one of the sibling cores hits
>     the line in M state and the line is forwarded",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -840,9 +838,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_DATA_RD.LLC_HIT.HIT_OTHER_CORE_NO_FWD",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x04003C0091",
>      > +        "MSRValue": "0x4003C0091",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch data
>     reads hit in the L3 and the snoops to sibling cores hit in either
>     E/S state and the line is not forwarded",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -855,7 +852,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x10003C07F7",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all data/code/rfo reads
>     (demand & prefetch) hit in the L3 and the snoop to one of the
>     sibling cores hits the line in M state and the line is forwarded",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -866,9 +862,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_READS.LLC_HIT.HIT_OTHER_CORE_NO_FWD",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x04003C07F7",
>      > +        "MSRValue": "0x4003C07F7",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all data/code/rfo reads
>     (demand & prefetch) hit in the L3 and the snoops to sibling cores
>     hit in either E/S state and the line is not forwarded",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -881,7 +876,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3F803C8FFF",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all requests hit in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -894,7 +888,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x10003C0122",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch RFOs
>     hit in the L3 and the snoop to one of the sibling cores hits the
>     line in M state and the line is forwarded",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -905,9 +898,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_RFO.LLC_HIT.HIT_OTHER_CORE_NO_FWD",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x04003C0122",
>      > +        "MSRValue": "0x4003C0122",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch RFOs
>     hit in the L3 and the snoops to sibling cores hit in either E/S
>     state and the line is not forwarded",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -920,7 +912,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3F803C0002",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand data writes
>     (RFOs) hit in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -933,7 +924,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x10003C0002",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand data writes
>     (RFOs) hit in the L3 and the snoop to one of the sibling cores hits
>     the line in M state and the line is forwarded",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -946,7 +936,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3F803C0200",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts prefetch (that bring data
>     to LLC only) code reads hit in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -959,7 +948,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3F803C0100",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all prefetch (that bring
>     data to LLC only) RFOs hit in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -973,4 +961,4 @@
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x10"
>      >       }
>      > -]
>      > \ No newline at end of file
>      > +]
>      > diff --git
>     a/tools/perf/pmu-events/arch/x86/broadwellx/floating-point.json
>     b/tools/perf/pmu-events/arch/x86/broadwellx/floating-point.json
>      > index 9ad37dddb354..93bbc8600321 100644
>      > --- a/tools/perf/pmu-events/arch/x86/broadwellx/floating-point.json
>      > +++ b/tools/perf/pmu-events/arch/x86/broadwellx/floating-point.json
>      > @@ -5,6 +5,7 @@
>      >           "CounterHTOff": "0,1,2,3",
>      >           "EventCode": "0xc7",
>      >           "EventName": "FP_ARITH_INST_RETIRED.128B_PACKED_DOUBLE",
>      > +        "PublicDescription": "Number of SSE/AVX computational
>     128-bit packed double precision floating-point instructions retired;
>     some instructions will count twice as noted below.  Each count
>     represents 2 computation operations, one for each element.  Applies
>     to SSE* and AVX* packed double precision floating-point
>     instructions: ADD SUB HADD HSUB SUBADD MUL DIV MIN MAX SQRT DPP
>     FM(N)ADD/SUB.  DPP and FM(N)ADD/SUB instructions count twice as they
>     perform 2 calculations per element. The DAZ and FTZ flags in the
>     MXCSR register need to be set when using these events.",
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x4"
>      >       },
>      > @@ -14,6 +15,7 @@
>      >           "CounterHTOff": "0,1,2,3",
>      >           "EventCode": "0xc7",
>      >           "EventName": "FP_ARITH_INST_RETIRED.128B_PACKED_SINGLE",
>      > +        "PublicDescription": "Number of SSE/AVX computational
>     128-bit packed single precision floating-point instructions retired;
>     some instructions will count twice as noted below.  Each count
>     represents 4 computation operations, one for each element.  Applies
>     to SSE* and AVX* packed single precision floating-point
>     instructions: ADD SUB HADD HSUB SUBADD MUL DIV MIN MAX SQRT RSQRT
>     RCP DPP FM(N)ADD/SUB.  DPP and FM(N)ADD/SUB instructions count twice
>     as they perform 2 calculations per element. The DAZ and FTZ flags in
>     the MXCSR register need to be set when using these events.",
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x8"
>      >       },
>      > @@ -23,6 +25,7 @@
>      >           "CounterHTOff": "0,1,2,3",
>      >           "EventCode": "0xc7",
>      >           "EventName": "FP_ARITH_INST_RETIRED.256B_PACKED_DOUBLE",
>      > +        "PublicDescription": "Number of SSE/AVX computational
>     256-bit packed double precision floating-point instructions retired;
>     some instructions will count twice as noted below.  Each count
>     represents 4 computation operations, one for each element.  Applies
>     to SSE* and AVX* packed double precision floating-point
>     instructions: ADD SUB HADD HSUB SUBADD MUL DIV MIN MAX SQRT
>     FM(N)ADD/SUB.  FM(N)ADD/SUB instructions count twice as they perform
>     2 calculations per element. The DAZ and FTZ flags in the MXCSR
>     register need to be set when using these events.",
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x10"
>      >       },
>      > @@ -32,6 +35,7 @@
>      >           "CounterHTOff": "0,1,2,3",
>      >           "EventCode": "0xc7",
>      >           "EventName": "FP_ARITH_INST_RETIRED.256B_PACKED_SINGLE",
>      > +        "PublicDescription": "Number of SSE/AVX computational
>     256-bit packed single precision floating-point instructions retired;
>     some instructions will count twice as noted below.  Each count
>     represents 8 computation operations, one for each element.  Applies
>     to SSE* and AVX* packed single precision floating-point
>     instructions: ADD SUB HADD HSUB SUBADD MUL DIV MIN MAX SQRT RSQRT
>     RCP DPP FM(N)ADD/SUB.  DPP and FM(N)ADD/SUB instructions count twice
>     as they perform 2 calculations per element. The DAZ and FTZ flags in
>     the MXCSR register need to be set when using these events.",
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x20"
>      >       },
>      > @@ -59,6 +63,7 @@
>      >           "CounterHTOff": "0,1,2,3",
>      >           "EventCode": "0xc7",
>      >           "EventName": "FP_ARITH_INST_RETIRED.SCALAR",
>      > +        "PublicDescription": "Number of SSE/AVX computational
>     scalar single precision and double precision floating-point
>     instructions retired; some instructions will count twice as noted
>     below.  Each count represents 1 computational operation. Applies to
>     SSE* and AVX* scalar single precision floating-point instructions:
>     ADD SUB MUL DIV MIN MAX SQRT RSQRT RCP FM(N)ADD/SUB.  FM(N)ADD/SUB
>     instructions count twice as they perform 2 calculations per element.
>     The DAZ and FTZ flags in the MXCSR register need to be set when
>     using these events.",
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x3"
>      >       },
>      > @@ -68,6 +73,7 @@
>      >           "CounterHTOff": "0,1,2,3",
>      >           "EventCode": "0xc7",
>      >           "EventName": "FP_ARITH_INST_RETIRED.SCALAR_DOUBLE",
>      > +        "PublicDescription": "Number of SSE/AVX computational
>     scalar double precision floating-point instructions retired; some
>     instructions will count twice as noted below.  Each count represents
>     1 computational operation. Applies to SSE* and AVX* scalar double
>     precision floating-point instructions: ADD SUB MUL DIV MIN MAX SQRT
>     FM(N)ADD/SUB.  FM(N)ADD/SUB instructions count twice as they perform
>     2 calculations per element. The DAZ and FTZ flags in the MXCSR
>     register need to be set when using these events.",
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -77,6 +83,7 @@
>      >           "CounterHTOff": "0,1,2,3",
>      >           "EventCode": "0xc7",
>      >           "EventName": "FP_ARITH_INST_RETIRED.SCALAR_SINGLE",
>      > +        "PublicDescription": "Number of SSE/AVX computational
>     scalar single precision floating-point instructions retired; some
>     instructions will count twice as noted below.  Each count represents
>     1 computational operation. Applies to SSE* and AVX* scalar single
>     precision floating-point instructions: ADD SUB MUL DIV MIN MAX SQRT
>     RSQRT RCP FM(N)ADD/SUB.  FM(N)ADD/SUB instructions count twice as
>     they perform 2 calculations per element. The DAZ and FTZ flags in
>     the MXCSR register need to be set when using these events.",
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x2"
>      >       },
>      > @@ -190,4 +197,4 @@
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x3"
>      >       }
>      > -]
>      > \ No newline at end of file
>      > +]
>      > diff --git
>     a/tools/perf/pmu-events/arch/x86/broadwellx/frontend.json
>     b/tools/perf/pmu-events/arch/x86/broadwellx/frontend.json
>      > index f0bcb945ff76..37ce8034b2ed 100644
>      > --- a/tools/perf/pmu-events/arch/x86/broadwellx/frontend.json
>      > +++ b/tools/perf/pmu-events/arch/x86/broadwellx/frontend.json
>      > @@ -292,4 +292,4 @@
>      >           "SampleAfterValue": "2000003",
>      >           "UMask": "0x1"
>      >       }
>      > -]
>      > \ No newline at end of file
>      > +]
>      > diff --git
>     a/tools/perf/pmu-events/arch/x86/broadwellx/memory.json
>     b/tools/perf/pmu-events/arch/x86/broadwellx/memory.json
>      > index cce993b197e3..545f61f691b9 100644
>      > --- a/tools/perf/pmu-events/arch/x86/broadwellx/memory.json
>      > +++ b/tools/perf/pmu-events/arch/x86/broadwellx/memory.json
>      > @@ -247,7 +247,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3FBFC00244",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch code
>     reads miss in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -258,9 +257,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_CODE_RD.LLC_MISS.LOCAL_DRAM",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x0604000244",
>      > +        "MSRValue": "0x604000244",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch code
>     reads miss the L3 and the data is returned from local dram",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -273,7 +271,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3FBFC00091",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch data
>     reads miss in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -284,9 +281,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_DATA_RD.LLC_MISS.LOCAL_DRAM",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x0604000091",
>      > +        "MSRValue": "0x604000091",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch data
>     reads miss the L3 and the data is returned from local dram",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -297,9 +293,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_DATA_RD.LLC_MISS.REMOTE_DRAM",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x063BC00091",
>      > +        "MSRValue": "0x63BC00091",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch data
>     reads miss the L3 and the data is returned from remote dram",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -312,7 +307,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x103FC00091",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch data
>     reads miss the L3 and the modified data is transferred from remote
>     cache",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -323,9 +317,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_DATA_RD.LLC_MISS.REMOTE_HIT_FORWARD",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x087FC00091",
>      > +        "MSRValue": "0x87FC00091",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch data
>     reads miss the L3 and clean or shared data is transferred from
>     remote cache",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -338,20 +331,18 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3FBFC007F7",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all data/code/rfo reads
>     (demand & prefetch) miss in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      >       {
>      > -        "BriefDescription": "Counts all data/code/rfo reads
>     (demand & prefetch)miss the L3 and the data is returned from local
>     dram",
>      > +        "BriefDescription": "Counts all data/code/rfo reads
>     (demand & prefetch) miss the L3 and the data is returned from local
>     dram",
>      >           "Counter": "0,1,2,3",
>      >           "CounterHTOff": "0,1,2,3",
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_READS.LLC_MISS.LOCAL_DRAM",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x06040007F7",
>      > +        "MSRValue": "0x6040007F7",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all data/code/rfo reads
>     (demand & prefetch)miss the L3 and the data is returned from local
>     dram",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -362,9 +353,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_READS.LLC_MISS.REMOTE_DRAM",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x063BC007F7",
>      > +        "MSRValue": "0x63BC007F7",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all data/code/rfo reads
>     (demand & prefetch) miss the L3 and the data is returned from remote
>     dram",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -377,7 +367,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x103FC007F7",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all data/code/rfo reads
>     (demand & prefetch) miss the L3 and the modified data is transferred
>     from remote cache",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -388,9 +377,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_READS.LLC_MISS.REMOTE_HIT_FORWARD",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x087FC007F7",
>      > +        "MSRValue": "0x87FC007F7",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all data/code/rfo reads
>     (demand & prefetch) miss the L3 and clean or shared data is
>     transferred from remote cache",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -403,7 +391,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3FBFC08FFF",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all requests miss in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -416,7 +403,6 @@
>      >           "MSRIndex": "0x1a6,0x1a7",
>      >           "MSRValue": "0x3FBFC00122",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & prefetch RFOs
>     miss in the L3",
>      >           "SampleAfterValue": "100003",
>      >           "UMask": "0x1"
>      >       },
>      > @@ -427,9 +413,8 @@
>      >           "EventCode": "0xB7, 0xBB",
>      >           "EventName":
>     "OFFCORE_RESPONSE.ALL_RFO.LLC_MISS.LOCAL_DRAM",
>      >           "MSRIndex": "0x1a6,0x1a7",
>      > -        "MSRValue": "0x0604000122",
>      > +        "MSRValue": "0x604000122",
>      >           "Offcore": "1",
>      > -        "PublicDescription": "Counts all demand & pref
> 

-- 
Zhengjun Xing

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