1[ 2 { 3 "MetricName": "slc_miss_rate", 4 "BriefDescription": "The system level cache miss rate.", 5 "MetricGroup": "cmn", 6 "MetricExpr": "hnf_cache_miss / hnf_slc_sf_cache_access", 7 "ScaleUnit": "100%", 8 "Unit": "arm_cmn", 9 "Compat": "(434|436|43c|43a).*" 10 }, 11 { 12 "MetricName": "hnf_message_retry_rate", 13 "BriefDescription": "HN-F message retry rate indicates whether a lack of credits is causing the bottlenecks.", 14 "MetricGroup": "cmn", 15 "MetricExpr": "hnf_pocq_retry / hnf_pocq_reqs_recvd", 16 "ScaleUnit": "100%", 17 "Unit": "arm_cmn", 18 "Compat": "(434|436|43c|43a).*" 19 }, 20 { 21 "MetricName": "sf_hit_rate", 22 "BriefDescription": "Snoop filter hit rate can be used to measure the snoop filter efficiency.", 23 "MetricGroup": "cmn", 24 "MetricExpr": "hnf_sf_hit / hnf_slc_sf_cache_access", 25 "ScaleUnit": "100%", 26 "Unit": "arm_cmn", 27 "Compat": "(434|436|43c|43a).*" 28 }, 29 { 30 "MetricName": "mc_message_retry_rate", 31 "BriefDescription": "The memory controller request retries rate indicates whether the memory controller is the bottleneck.", 32 "MetricGroup": "cmn", 33 "MetricExpr": "hnf_mc_retries / hnf_mc_reqs", 34 "ScaleUnit": "100%", 35 "Unit": "arm_cmn", 36 "Compat": "(434|436|43c|43a).*" 37 }, 38 { 39 "MetricName": "rni_actual_read_bandwidth.all", 40 "BriefDescription": "This event measure the actual bandwidth that RN-I bridge sends to the interconnect.", 41 "MetricGroup": "cmn", 42 "MetricExpr": "rnid_rxdat_flits * 32 / 1e6 / duration_time", 43 "ScaleUnit": "1MB/s", 44 "Unit": "arm_cmn", 45 "Compat": "(434|436|43c|43a).*" 46 }, 47 { 48 "MetricName": "rni_actual_write_bandwidth.all", 49 "BriefDescription": "This event measures the actual write bandwidth at RN-I bridges.", 50 "MetricGroup": "cmn", 51 "MetricExpr": "rnid_txdat_flits * 32 / 1e6 / duration_time", 52 "ScaleUnit": "1MB/s", 53 "Unit": "arm_cmn", 54 "Compat": "(434|436|43c|43a).*" 55 }, 56 { 57 "MetricName": "rni_retry_rate", 58 "BriefDescription": "RN-I bridge retry rate indicates whether the memory controller is the bottleneck.", 59 "MetricGroup": "cmn", 60 "MetricExpr": "rnid_txreq_flits_retried / rnid_txreq_flits_total", 61 "ScaleUnit": "100%", 62 "Unit": "arm_cmn", 63 "Compat": "(434|436|43c|43a).*" 64 }, 65 { 66 "MetricName": "sbsx_actual_write_bandwidth.all", 67 "BriefDescription": "sbsx actual write bandwidth.", 68 "MetricGroup": "cmn", 69 "MetricExpr": "sbsx_txdat_flitv * 32 / 1e6 / duration_time", 70 "ScaleUnit": "1MB/s", 71 "Unit": "arm_cmn", 72 "Compat": "(434|436|43c|43a).*" 73 } 74] 75