Messages in this thread Patch in this message | | | From | Jing Zhang <> | Subject | [PATCH v2 2/5] perf vendor events: Add JSON metrics for CMN-700 | Date | Mon, 24 Apr 2023 17:44:13 +0800 |
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Add JSON metrics for CMN-700. Currently just add part of CMN-700 PMU metrics which are general and compatible for any SoC.
Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com> --- .../arch/arm64/arm/cmn700/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/cmn700/sys/metrics.json
diff --git a/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json new file mode 100644 index 0000000..1577d86 --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json @@ -0,0 +1,74 @@ +[ + { + "MetricName": "slc_miss_rate", + "BriefDescription": "The system level cache miss rate include.", + "MetricGroup": "cmn700", + "MetricExpr": "hnf_cache_miss / hnf_slc_sf_cache_access", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "cmn700" + }, + { + "MetricName": "hnf_message_retry_rate", + "BriefDescription": "HN-F message retry rate indicates whether a lack of credits is causing the bottlenecks.", + "MetricGroup": "cmn700", + "MetricExpr": "hnf_pocq_retry / hnf_pocq_reqs_recvd", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "cmn700" + }, + { + "MetricName": "sf_hit_rate", + "BriefDescription": "Snoop filter hit rate can be used to measure the Snoop Filter efficiency.", + "MetricGroup": "cmn700", + "MetricExpr": "hnf_sf_hit / hnf_slc_sf_cache_access", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "cmn700" + }, + { + "MetricName": "mc_message_retry_rate", + "BriefDescription": "The memory controller request retries rate indicates whether the memory controller is the bottleneck.", + "MetricGroup": "cmn700", + "MetricExpr": "hnf_mc_retries / hnf_mc_reqs", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "cmn700" + }, + { + "MetricName": "rni_actual_read_bandwidth.all", + "BriefDescription": "This event measure the actual bandwidth(MB/sec) that RN-I bridge sends to the interconnect.", + "MetricGroup": "cmn700", + "MetricExpr": "rnid_rxdat_flits * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "arm_cmn", + "Compat": "cmn700" + }, + { + "MetricName": "rni_actual_write_bandwidth.all", + "BriefDescription": "This event measures the actual write bandwidth(MB/sec) at RN-I bridges.", + "MetricGroup": "cmn700", + "MetricExpr": "rnid_txdat_flits * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "arm_cmn", + "Compat": "cmn700" + }, + { + "MetricName": "rni_retry_rate", + "BriefDescription": "RN-I bridge retry rate indicates whether the memory controller is the bottleneck.", + "MetricGroup": "cmn700", + "MetricExpr": "rnid_txreq_flits_retried / rnid_txreq_flits_total", + "ScaleUnit": "100%", + "Unit": "arm_cmn", + "Compat": "cmn700" + }, + { + "MetricName": "sbsx_actual_write_bandwidth.all", + "BriefDescription": "sbsx actual write bandwidth(MB/sec).", + "MetricGroup": "cmn700", + "MetricExpr": "sbsx_txdat_flitv * 32 / 1e6 / duration_time", + "ScaleUnit": "1MB/s", + "Unit": "arm_cmn", + "Compat": "cmn700" + } +] 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()}' -- 1.8.3.1
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