SWDEV-475244 - Memory Usage and Bandwidth: max mem and current mem (#48)

rdc_libs/rdc/src/RdcMetricFetcherImpl.cc

@@ -573,6 +573,32 @@ rdc_status_t RdcMetricFetcherImpl::fetch_smi_field(uint32_t gpu_index, rdc_field
       }
       break;
     }
+    case RDC_FI_GPU_MEMORY_MAX_BANDWIDTH: {
+      amdsmi_vram_info_t vram_info;
+
+      value->status = amdsmi_get_gpu_vram_info(processor_handle, &vram_info);
+      value->type = INTEGER;
+      if (value->status == AMDSMI_STATUS_SUCCESS) {
+        value->value.l_int = vram_info.vram_max_bandwidth;
+      }
+      break;
+    }
+    case RDC_FI_GPU_MEMORY_CUR_BANDWIDTH: {
+      amdsmi_engine_usage_t engine_usage;
+      amdsmi_vram_info_t vram_info;
+
+      value->status = amdsmi_get_gpu_activity(processor_handle, &engine_usage);
+      value->type = INTEGER;
+      if (value->status == AMDSMI_STATUS_SUCCESS) {
+        value->value.l_int = static_cast<int64_t>(engine_usage.umc_activity);
+      }
+
+      value->status = amdsmi_get_gpu_vram_info(processor_handle, &vram_info);
+      if (value->status == AMDSMI_STATUS_SUCCESS) {
+        value->value.l_int = value->value.l_int / 100 * vram_info.vram_max_bandwidth;
+      }
+      break;
+    }
     case RDC_FI_GPU_COUNT: {
       uint32_t processor_count = 0;
       // amdsmi is initialized in AMDSMI_INIT_AMD_GPUS mode -> returned sockets are GPUs

rdc_libs/rdc/src/RdcSmiLib.cc

@@ -183,6 +183,7 @@ rdc_status_t RdcSmiLib::rdc_telemetry_fields_query(uint32_t field_ids[MAX_NUM_FI
       RDC_HEALTH_XGMI_ERROR,          RDC_HEALTH_PCIE_REPLAY_COUNT,   RDC_HEALTH_RETIRED_PAGE_NUM,
       RDC_HEALTH_PENDING_PAGE_NUM,    RDC_HEALTH_RETIRED_PAGE_LIMIT,  RDC_HEALTH_UNCORRECTABLE_PAGE_LIMIT,
       RDC_HEALTH_POWER_THROTTLE_TIME, RDC_HEALTH_THERMAL_THROTTLE_TIME,
+      RDC_FI_GPU_MEMORY_MAX_BANDWIDTH,  RDC_FI_GPU_MEMORY_CUR_BANDWIDTH,
   };
   std::copy(fields.begin(), fields.end(), field_ids);
   *field_count = fields.size();