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Message-ID: <0c0a7202-0c0f-dc80-f21c-354cb31ca43f@linux.ibm.com>
Date: Thu, 28 Oct 2021 14:34:52 +0530
From: kajoljain <kjain@...ux.ibm.com>
To: "Paul A. Clarke" <pc@...ibm.com>
Cc: maddy@...ux.vnet.ibm.com, rnsastry@...ux.ibm.com, jolsa@...hat.com,
linux-kernel@...r.kernel.org, acme@...nel.org,
linux-perf-users@...r.kernel.org, atrajeev@...ux.vnet.ibm.com,
linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2] perf vendor events power10: Add metric events json
file for power10 platform
On 10/26/21 3:28 PM, kajoljain wrote:
>
>
> On 10/22/21 8:19 PM, Paul A. Clarke wrote:
>> Thanks for the changes!
>> More nits below (many left over from prior review)...
>>
>> On Fri, Oct 22, 2021 at 11:55:05AM +0530, Kajol Jain wrote:
>>> Add pmu metric json file for power10 platform.
>>>
>>> Signed-off-by: Kajol Jain <kjain@...ux.ibm.com>
>>> ---
>>> Changelog v1 -> v2:
>>> - Did some nit changes in BriefDescription field
>>> as suggested by Paul A. Clarke
>>>
>>> - Link to the v1 patch: https://lkml.org/lkml/2021/10/6/131
>>>
>>> .../arch/powerpc/power10/metrics.json | 676 ++++++++++++++++++
>>> 1 file changed, 676 insertions(+)
>>> create mode 100644 tools/perf/pmu-events/arch/powerpc/power10/metrics.json
>>>
>>> diff --git a/tools/perf/pmu-events/arch/powerpc/power10/metrics.json b/tools/perf/pmu-events/arch/powerpc/power10/metrics.json
>>> new file mode 100644
>>> index 000000000000..8adab5cd9934
>>> --- /dev/null
>>> +++ b/tools/perf/pmu-events/arch/powerpc/power10/metrics.json
>>> @@ -0,0 +1,676 @@
>>> +[
>>> + {
>>> + "BriefDescription": "Percentage of cycles that are run cycles",
>>> + "MetricExpr": "PM_RUN_CYC / PM_CYC * 100",
>>> + "MetricGroup": "General",
>>> + "MetricName": "RUN_CYCLES_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per completed instruction",
>>> + "MetricExpr": "PM_CYC / PM_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "CYCLES_PER_INSTRUCTION"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled for any reason",
>>> + "MetricExpr": "PM_DISP_STALL_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled because there was a flush",
>>> + "MetricExpr": "PM_DISP_STALL_FLUSH / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_FLUSH_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled because the MMU was handling a translation miss",
>>> + "MetricExpr": "PM_DISP_STALL_TRANSLATION / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_TRANSLATION_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled waiting to resolve an instruction ERAT miss",
>>> + "MetricExpr": "PM_DISP_STALL_IERAT_ONLY_MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_IERAT_ONLY_MISS_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled waiting to resolve an instruction TLB miss",
>>> + "MetricExpr": "PM_DISP_STALL_ITLB_MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_ITLB_MISS_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled due to an icache miss",
>>> + "MetricExpr": "PM_DISP_STALL_IC_MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_IC_MISS_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled while the instruction was fetched from the local L2",
>>> + "MetricExpr": "PM_DISP_STALL_IC_L2 / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_IC_L2_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled while the instruction was fetched from the local L3",
>>> + "MetricExpr": "PM_DISP_STALL_IC_L3 / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_IC_L3_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled while the instruction was fetched from any source beyond the local L3",
>>> + "MetricExpr": "PM_DISP_STALL_IC_L3MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_IC_L3MISS_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled due to an icache miss after a branch mispredict",
>>> + "MetricExpr": "PM_DISP_STALL_BR_MPRED_ICMISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_BR_MPRED_ICMISS_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled while instruction was fetched from the local L2 after suffering a branch mispredict",
>>> + "MetricExpr": "PM_DISP_STALL_BR_MPRED_IC_L2 / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_BR_MPRED_IC_L2_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled while instruction was fetched from the local L3 after suffering a branch mispredict",
>>> + "MetricExpr": "PM_DISP_STALL_BR_MPRED_IC_L3 / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_BR_MPRED_IC_L3_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled while instruction was fetched from any source beyond the local L3 after suffering a branch mispredict",
>>> + "MetricExpr": "PM_DISP_STALL_BR_MPRED_IC_L3MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_BR_MPRED_IC_L3MISS_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled due to a branch mispredict",
>>> + "MetricExpr": "PM_DISP_STALL_BR_MPRED / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_BR_MPRED_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch for any reason",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_HELD_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch because of a synchronizing instruction that requires the ICT to be empty before dispatch",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_SYNC_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISP_HELD_STALL_SYNC_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch while waiting on the scoreboard",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_SCOREBOARD_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISP_HELD_STALL_SCOREBOARD_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch due to issue queue full",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_ISSQ_FULL_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISP_HELD_STALL_ISSQ_FULL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch because the mapper/SRB was full",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_RENAME_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_HELD_RENAME_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch because the STF mapper/SRB was full",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_STF_MAPPER_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_HELD_STF_MAPPER_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch because the XVFC mapper/SRB was full",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_XVFC_MAPPER_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_HELD_XVFC_MAPPER_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch for any other reason",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_OTHER_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_HELD_OTHER_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction has been dispatched but not issued for any reason",
>>> + "MetricExpr": "PM_ISSUE_STALL / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "ISSUE_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting to be finished in one of the execution units",
>>> + "MetricExpr": "PM_EXEC_STALL / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "EXECUTION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction spent executing an NTC instruction that gets flushed some time after dispatch",
>>> + "MetricExpr": "PM_EXEC_STALL_NTC_FLUSH / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "NTC_FLUSH_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTF instruction finishes at dispatch",
>>> + "MetricExpr": "PM_EXEC_STALL_FIN_AT_DISP / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "FIN_AT_DISP_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is executing in the branch unit",
>>> + "MetricExpr": "PM_EXEC_STALL_BRU / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "BRU_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is a simple fixed point instruction that is executing in the LSU",
>>> + "MetricExpr": "PM_EXEC_STALL_SIMPLE_FX / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "SIMPLE_FX_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is executing in the VSU",
>>> + "MetricExpr": "PM_EXEC_STALL_VSU / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "VSU_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting to be finished in one of the execution units",
>>> + "MetricExpr": "PM_EXEC_STALL_TRANSLATION / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "TRANSLATION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is a load or store that suffered a translation miss",
>>> + "MetricExpr": "PM_EXEC_STALL_DERAT_ONLY_MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DERAT_ONLY_MISS_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is recovering from a TLB miss",
>>> + "MetricExpr": "PM_EXEC_STALL_DERAT_DTLB_MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DERAT_DTLB_MISS_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is executing in the LSU",
>>> + "MetricExpr": "PM_EXEC_STALL_LSU / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "LSU_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is a load that is executing in the LSU",
>>> + "MetricExpr": "PM_EXEC_STALL_LOAD / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "LOAD_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting for a load miss to resolve from either the local L2 or local L3",
>>> + "MetricExpr": "PM_EXEC_STALL_DMISS_L2L3 / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DMISS_L2L3_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting for a load miss to resolve from either the local L2 or local L3, with an RC dispatch conflict",
>>> + "MetricExpr": "PM_EXEC_STALL_DMISS_L2L3_CONFLICT / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DMISS_L2L3_CONFLICT_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting for a load miss to resolve from either the local L2 or local L3, without an RC dispatch conflict",
>>> + "MetricExpr": "PM_EXEC_STALL_DMISS_L2L3_NOCONFLICT / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DMISS_L2L3_NOCONFLICT_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting for a load miss to resolve from a source beyond the local L2 and local L3",
>>> + "MetricExpr": "PM_EXEC_STALL_DMISS_L3MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DMISS_L3MISS_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting for a load miss to resolve from a neighbor chiplet's L2 or L3 in the same chip",
>>> + "MetricExpr": "PM_EXEC_STALL_DMISS_L21_L31 / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DMISS_L21_L31_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting for a load miss to resolve from L4, local memory or OpenCapp chip",
>>
>> What is "OpenCapp"? Is is different from OpenCAPI?
>
> Hi Paul,
> Yes, OpenCapp is same as OpenCAPI. But as these descriptions
> are provided by hardware team and same is followed in the PMU workbook.
> We need to use OpenCapp.
Hi Paul,
I further checked with the team, using OpenCAPI make more sense.
Thanks for pointing it. Will correct it in the next version.
Thanks,
Kajol Jain
>
>>
>>> + "MetricExpr": "PM_EXEC_STALL_DMISS_LMEM / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DMISS_LMEM_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting for a load miss to resolve from a remote chip (cache, L4, memory or OpenCapp) in the same group",
>>> + "MetricExpr": "PM_EXEC_STALL_DMISS_OFF_CHIP / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DMISS_OFF_CHIP_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is waiting for a load miss to resolve from a distant chip (cache, L4, memory or OpenCapp chip)",
>>> + "MetricExpr": "PM_EXEC_STALL_DMISS_OFF_NODE / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DMISS_OFF_NODE_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is executing a TLBIEL instruction",
>>> + "MetricExpr": "PM_EXEC_STALL_TLBIEL / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "TLBIEL_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is finishing a load after its data has been reloaded from a data source beyond the local L1, OR when the LSU is processing an L1-hit, OR when the NTF instruction merged with another load in the LMQ",
>>> + "MetricExpr": "PM_EXEC_STALL_LOAD_FINISH / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "LOAD_FINISH_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is a store that is executing in the LSU",
>>> + "MetricExpr": "PM_EXEC_STALL_STORE / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "STORE_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is in the store unit outside of handling store misses or other special store operations",
>>
>> Is "store unit" not the same as "LSU" ? Use "LSU" uniformly if appropriate:
>> s/store unit/LSU/
>
> Here using store unit is more appropriate as we are counting
> instructions executed in the store unit of LSU.
>
>>
>>> + "MetricExpr": "PM_EXEC_STALL_STORE_PIPE / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "STORE_PIPE_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is a store whose cache line was not resident in the L1 and had to wait for allocation of the missing line into the L1",
>>> + "MetricExpr": "PM_EXEC_STALL_STORE_MISS / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "STORE_MISS_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is a TLBIE instruction waiting for a response from the L2",
>>> + "MetricExpr": "PM_EXEC_STALL_TLBIE / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "TLBIE_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is executing a PTESYNC instruction",
>>> + "MetricExpr": "PM_EXEC_STALL_PTESYNC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "PTESYNC_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction cannot complete because the thread was blocked",
>>> + "MetricExpr": "PM_CMPL_STALL / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "COMPLETION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction cannot complete because it was interrupted by ANY exception",
>>> + "MetricExpr": "PM_CMPL_STALL_EXCEPTION / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "EXCEPTION_COMPLETION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is stuck at finish waiting for the non-speculative finish of either a STCX instruction waiting for its result or a load waiting for non-critical sectors of data and ECC",
>>> + "MetricExpr": "PM_CMPL_STALL_MEM_ECC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "MEM_ECC_COMPLETION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction cannot complete the instruction is a STCX instruction waiting for resolution from the nest",
>>
>> Need to reword this, I think. I propose "Average cycles per instruction
>> when the NTC instruction is a STCX instruction waiting for resolution
>> from the nest", which follows the form used by HWSYNC_COMPLETION_STALL_CPI,
>> below.
>
> Yes make sense. Will update this description.
>
>>
>>> + "MetricExpr": "PM_CMPL_STALL_STCX / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "STCX_COMPLETION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is a LWSYNC instruction waiting to complete",
>>> + "MetricExpr": "PM_CMPL_STALL_LWSYNC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "LWSYNC_COMPLETION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction is a HWSYNC instruction stuck at finish waiting for a response from the L2",
>>> + "MetricExpr": "PM_CMPL_STALL_HWSYNC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "HWSYNC_COMPLETION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction required special handling before completion",
>>> + "MetricExpr": "PM_CMPL_STALL_SPECIAL / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "SPECIAL_COMPLETION_STALL_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when dispatch was stalled because fetch was being held, so there was nothing in the pipeline for this thread",
>>> + "MetricExpr": "PM_DISP_STALL_FETCH / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_FETCH_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTC instruction was held at dispatch because of power management",
>>> + "MetricExpr": "PM_DISP_STALL_HELD_HALT_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "CPI",
>>> + "MetricName": "DISPATCHED_HELD_HALT_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of flushes per completed run instruction",
>>
>> s/per completed run instruction/per instruction/
>
> As discussed I will update it to completed insruction in all the below
> descriptions.
>
>>
>>> + "MetricExpr": "PM_FLUSH / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Others",
>>> + "MetricName": "FLUSH_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of flushes due to a branch mispredict per instruction",
>>> + "MetricExpr": "PM_FLUSH_MPRED / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Others",
>>> + "MetricName": "BR_MPRED_FLUSH_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of branch mispredictions per completed run instruction",
>>
>> s/per completed run instruction/per instruction/
>>
>>> + "MetricExpr": "PM_BR_MPRED_CMPL / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "Others",
>>> + "MetricName": "BRANCH_MISPREDICTION_RATE"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of finished loads that missed in the L1",
>>> + "MetricExpr": "PM_LD_MISS_L1 / PM_LD_REF_L1 * 100",
>>> + "MetricGroup": "Others",
>>> + "MetricName": "L1_LD_MISS_RATIO",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of completed run instructions that were loads that missed the L1",
>>
>> s/completed run instructions/instructions/
>>
>>> + "MetricExpr": "PM_LD_MISS_L1 / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Others",
>>> + "MetricName": "L1_LD_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of instructions when the DPTEG required for the load/store instruction in execution was missing from the TLB",
>>> + "MetricExpr": "PM_DTLB_MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Others",
>>> + "MetricName": "DTLB_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of instructions dispatched per instruction completed",
>>> + "MetricExpr": "PM_INST_DISP / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "DISPATCH_PER_INST_CMPL"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of completed run instructions that were a demand load that did not hit in the L1 or L2",
>>
>> s/completed run instructions/instructions/
>>
>>> + "MetricExpr": "PM_DATA_FROM_L2MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "General",
>>> + "MetricName": "L2_LD_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of completed run instructions that were demand fetches that missed the L1 instruction cache",
>>
>> s/completed run instructions/instructions/
>> s/instruction cache/icache/ to be consistent with the rest of the file
>>
>>> + "MetricExpr": "PM_L1_ICACHE_MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Instruction_Misses",
>>> + "MetricName": "L1_INST_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of completed run instructions that were demand fetches that reloaded from beyond the L3 instruction cache",
>>
>> s/completed run instructions/instructions/
>> s/instruction cache/icache/ to be consistent with the rest of the file
>
> Sure, I will make it icache.
>
> Thanks,
> Kajol Jain
>
>>
>>> + "MetricExpr": "PM_INST_FROM_L3MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "General",
>>> + "MetricName": "L3_INST_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of completed instructions per cycle",
>>> + "MetricExpr": "PM_INST_CMPL / PM_CYC",
>>> + "MetricGroup": "General",
>>> + "MetricName": "IPC"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of cycles per completed instruction group",
>>> + "MetricExpr": "PM_CYC / PM_1PLUS_PPC_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "CYCLES_PER_COMPLETED_INSTRUCTIONS_SET"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of cycles when at least 1 instruction dispatched",
>>> + "MetricExpr": "PM_1PLUS_PPC_DISP / PM_RUN_CYC * 100",
>>> + "MetricGroup": "General",
>>> + "MetricName": "CYCLES_ATLEAST_ONE_INST_DISPATCHED",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of finished loads per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_LD_REF_L1 / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "LOADS_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of finished stores per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_ST_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "STORES_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of demand loads that reloaded from beyond the L2 per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_DATA_FROM_L2MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "dL1_Reloads",
>>> + "MetricName": "DL1_RELOAD_FROM_L2_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of demand loads that reloaded from beyond the L3 per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_DATA_FROM_L3MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "dL1_Reloads",
>>> + "MetricName": "DL1_RELOAD_FROM_L3_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of DERAT misses with 4k page size per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_DERAT_MISS_4K / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_4K_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of DERAT misses with 64k page size per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_DERAT_MISS_64K / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_64K_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of run cycles per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_RUN_CYC / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "RUN_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of DERAT misses per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_DERAT_MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of completed run instructions per run cycle",
>>
>> s/completed run instructions/instructions/
>>
>>> + "MetricExpr": "PM_RUN_INST_CMPL / PM_RUN_CYC",
>>> + "MetricGroup": "General",
>>> + "MetricName": "RUN_IPC"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of instructions completed per instruction group",
>>
>> s/completed//
>>
>>> + "MetricExpr": "PM_RUN_INST_CMPL / PM_1PLUS_PPC_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "AVERAGE_COMPLETED_INSTRUCTION_SET_SIZE"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of finished instructions per completed run instructions",
>>
>> s/completed run instructions/instruction/
>>
>>> + "MetricExpr": "PM_INST_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "INST_FIN_PER_CMPL"
>>> + },
>>> + {
>>> + "BriefDescription": "Average cycles per instruction when the NTF instruction is completing and the finish was overlooked",
>>> + "MetricExpr": "PM_EXEC_STALL_UNKNOWN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "EXEC_STALL_UNKOWN_CPI"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of finished branches that were taken",
>>> + "MetricExpr": "PM_BR_TAKEN_CMPL / PM_BR_FIN * 100",
>>> + "MetricGroup": "General",
>>> + "MetricName": "TAKEN_BRANCHES",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of completed run instructions that were a demand load that did not hit in the L1, L2, or the L3",
>>
>> s/completed run instructions/instructions/
>>
>>> + "MetricExpr": "PM_DATA_FROM_L3MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "General",
>>> + "MetricName": "L3_LD_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of finished branches per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_BR_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "BRANCHES_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of instructions finished in the LSU per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_LSU_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "LSU_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of instructions finished in the VSU per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_VSU_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "VSU_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of TLBIE instructions finished in the LSU per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_TLBIE_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "TLBIE_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of STCX instructions finshed per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_STCX_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "STXC_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of LARX instructions finshed per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_LARX_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "LARX_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of PTESYNC instructions finshed per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_PTESYNC_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "PTESYNC_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Average number of simple fixed-point instructions finshed in the store unit per completed run instruction",
>>
>> s/completed run instruction/instruction/
>> s/store unit/LSU/
>>
>>> + "MetricExpr": "PM_FX_LSU_FIN / PM_RUN_INST_CMPL",
>>> + "MetricGroup": "General",
>>> + "MetricName": "FX_PER_INST"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of demand load misses that reloaded the L1 cache",
>>> + "MetricExpr": "PM_LD_DEMAND_MISS_L1 / PM_LD_MISS_L1 * 100",
>>> + "MetricGroup": "General",
>>> + "MetricName": "DL1_MISS_RELOADS",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of demand load misses that reloaded from beyond the local L2",
>>> + "MetricExpr": "PM_DATA_FROM_L2MISS / PM_LD_DEMAND_MISS_L1 * 100",
>>> + "MetricGroup": "dL1_Reloads",
>>> + "MetricName": "DL1_RELOAD_FROM_L2_MISS",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of demand load misses that reloaded from beyond the local L3",
>>> + "MetricExpr": "PM_DATA_FROM_L3MISS / PM_LD_DEMAND_MISS_L1 * 100",
>>> + "MetricGroup": "dL1_Reloads",
>>> + "MetricName": "DL1_RELOAD_FROM_L3_MISS",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of cycles stalled due to the NTC instruction waiting for a load miss to resolve from a source beyond the local L2 and local L3",
>>> + "MetricExpr": "DMISS_L3MISS_STALL_CPI / RUN_CPI * 100",
>>> + "MetricGroup": "General",
>>> + "MetricName": "DCACHE_MISS_CPI",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of DERAT misses with 2M page size per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_DERAT_MISS_2M / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_2M_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of DERAT misses with 16M page size per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_DERAT_MISS_16M / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_16M_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "DERAT miss ratio for 4K page size",
>>> + "MetricExpr": "PM_DERAT_MISS_4K / PM_DERAT_MISS",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_4K_MISS_RATIO"
>>> + },
>>> + {
>>> + "BriefDescription": "DERAT miss ratio for 2M page size",
>>> + "MetricExpr": "PM_DERAT_MISS_2M / PM_DERAT_MISS",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_2M_MISS_RATIO"
>>> + },
>>> + {
>>> + "BriefDescription": "DERAT miss ratio for 16M page size",
>>> + "MetricExpr": "PM_DERAT_MISS_16M / PM_DERAT_MISS",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_16M_MISS_RATIO"
>>> + },
>>> + {
>>> + "BriefDescription": "DERAT miss ratio for 64K page size",
>>> + "MetricExpr": "PM_DERAT_MISS_64K / PM_DERAT_MISS",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_64K_MISS_RATIO"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of DERAT misses that resulted in TLB reloads",
>>> + "MetricExpr": "PM_DTLB_MISS / PM_DERAT_MISS * 100",
>>> + "MetricGroup": "Translation",
>>> + "MetricName": "DERAT_MISS_RELOAD",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of icache misses that were reloaded from beyond the local L3",
>>> + "MetricExpr": "PM_INST_FROM_L3MISS / PM_L1_ICACHE_MISS * 100",
>>> + "MetricGroup": "Instruction_Misses",
>>> + "MetricName": "INST_FROM_L3_MISS",
>>> + "ScaleUnit": "1%"
>>> + },
>>> + {
>>> + "BriefDescription": "Percentage of icache reloads from the beyond the L3 per completed run instruction",
>>
>> s/completed run instruction/instruction/
>>
>>> + "MetricExpr": "PM_INST_FROM_L3MISS / PM_RUN_INST_CMPL * 100",
>>> + "MetricGroup": "Instruction_Misses",
>>> + "MetricName": "INST_FROM_L3_MISS_RATE",
>>> + "ScaleUnit": "1%"
>>> + }
>>> +]
>>> --
>>
>> PC
>>
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