Messages in this thread | | | Date | Wed, 31 May 2023 10:43:36 +0800 | Subject | Re: [PATCH v3 3/7] perf vendor events: Add JSON metrics for CMN | From | Shuai Xue <> |
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On 2023/5/30 17:19, Jing Zhang wrote: > Add JSON metrics for arm CMN. Currently just add part of CMN PMU > metrics which are general and compatible for any SoC and CMN-ANY.
Is it a typo? You mean "any SoC integration with CMN-ANY" right?
Thanks, Shuai
> > Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com> > --- > .../pmu-events/arch/arm64/arm/cmn/sys/metrics.json | 74 ++++++++++++++++++++++ > tools/perf/pmu-events/jevents.py | 1 + > 2 files changed, 75 insertions(+) > create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metrics.json > > diff --git a/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metrics.json > new file mode 100644 > index 0000000..e70ac1a > --- /dev/null > +++ b/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metrics.json > @@ -0,0 +1,74 @@ > +[ > + { > + "MetricName": "slc_miss_rate", > + "BriefDescription": "The system level cache miss rate include.", > + "MetricGroup": "arm_cmn", > + "MetricExpr": "hnf_cache_miss / hnf_slc_sf_cache_access", > + "ScaleUnit": "100%", > + "Unit": "arm_cmn", > + "Compat": "arm_cmn600;arm_cmn650;arm_cmn700;arm_ci700" > + }, > + { > + "MetricName": "hnf_message_retry_rate", > + "BriefDescription": "HN-F message retry rate indicates whether a lack of credits is causing the bottlenecks.", > + "MetricGroup": "arm_cmn", > + "MetricExpr": "hnf_pocq_retry / hnf_pocq_reqs_recvd", > + "ScaleUnit": "100%", > + "Unit": "arm_cmn", > + "Compat": "arm_cmn600;arm_cmn650;arm_cmn700;arm_ci700" > + }, > + { > + "MetricName": "sf_hit_rate", > + "BriefDescription": "Snoop filter hit rate can be used to measure the Snoop Filter efficiency.", > + "MetricGroup": "arm_cmn", > + "MetricExpr": "hnf_sf_hit / hnf_slc_sf_cache_access", > + "ScaleUnit": "100%", > + "Unit": "arm_cmn", > + "Compat": "arm_cmn600;arm_cmn650;arm_cmn700;arm_ci700" > + }, > + { > + "MetricName": "mc_message_retry_rate", > + "BriefDescription": "The memory controller request retries rate indicates whether the memory controller is the bottleneck.", > + "MetricGroup": "arm_cmn", > + "MetricExpr": "hnf_mc_retries / hnf_mc_reqs", > + "ScaleUnit": "100%", > + "Unit": "arm_cmn", > + "Compat": "arm_cmn600;arm_cmn650;arm_cmn700;arm_ci700" > + }, > + { > + "MetricName": "rni_actual_read_bandwidth.all", > + "BriefDescription": "This event measure the actual bandwidth(MB/sec) that RN-I bridge sends to the interconnect.", > + "MetricGroup": "arm_cmn", > + "MetricExpr": "rnid_rxdat_flits * 32 / 1e6 / duration_time", > + "ScaleUnit": "1MB/s", > + "Unit": "arm_cmn", > + "Compat": "arm_cmn600;arm_cmn650;arm_cmn700;arm_ci700" > + }, > + { > + "MetricName": "rni_actual_write_bandwidth.all", > + "BriefDescription": "This event measures the actual write bandwidth(MB/sec) at RN-I bridges.", > + "MetricGroup": "arm_cmn", > + "MetricExpr": "rnid_txdat_flits * 32 / 1e6 / duration_time", > + "ScaleUnit": "1MB/s", > + "Unit": "arm_cmn", > + "Compat": "arm_cmn600;arm_cmn650;arm_cmn700;arm_ci700" > + }, > + { > + "MetricName": "rni_retry_rate", > + "BriefDescription": "RN-I bridge retry rate indicates whether the memory controller is the bottleneck.", > + "MetricGroup": "arm_cmn", > + "MetricExpr": "rnid_txreq_flits_retried / rnid_txreq_flits_total", > + "ScaleUnit": "100%", > + "Unit": "arm_cmn", > + "Compat": "arm_cmn600;arm_cmn650;arm_cmn700;arm_ci700" > + }, > + { > + "MetricName": "sbsx_actual_write_bandwidth.all", > + "BriefDescription": "sbsx actual write bandwidth(MB/sec).", > + "MetricGroup": "arm_cmn", > + "MetricExpr": "sbsx_txdat_flitv * 32 / 1e6 / duration_time", > + "ScaleUnit": "1MB/s", > + "Unit": "arm_cmn", > + "Compat": "arm_cmn600;arm_cmn650;arm_cmn700;arm_ci700" > + } > +] > diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py > index 2bcd07c..7cff2c6 100755 > --- a/tools/perf/pmu-events/jevents.py > +++ b/tools/perf/pmu-events/jevents.py > @@ -256,6 +256,7 @@ class JsonEvent: > 'DFPMC': 'amd_df', > 'cpu_core': 'cpu_core', > 'cpu_atom': 'cpu_atom', > + 'arm_cmn': 'arm_cmn', > } > return table[unit] if unit in table else f'uncore_{unit.lower()}' >
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