From 1e026fa8f78200aa85e816899ab39258419134dd Mon Sep 17 00:00:00 2001
From: Weronika Filinger <w.filinger@epcc.ed.ac.uk>
Date: Fri, 21 Feb 2020 12:25:27 +0000
Subject: [PATCH] adding the PCIE troughput sensor to the nvml plugin

---
 dcdbpusher/sensors/nvml/nvml.conf            |  5 +++++
 dcdbpusher/sensors/nvml/nvmlConfigurator.cpp |  1 +
 dcdbpusher/sensors/nvml/nvmlSensorBase.h     | 11 ++++++++---
 dcdbpusher/sensors/nvml/nvmlSensorGroup.cpp  |  8 +++++---
 4 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/dcdbpusher/sensors/nvml/nvml.conf b/dcdbpusher/sensors/nvml/nvml.conf
index 8b5b63c..a92cf27 100644
--- a/dcdbpusher/sensors/nvml/nvml.conf
+++ b/dcdbpusher/sensors/nvml/nvml.conf
@@ -101,6 +101,11 @@ group nvml_g2 {
         feature      GPU_ECC_ERR
     }
 
+    sensor gpu_pcie_thru {
+        mqttsuffix   /pcie_thru
+        feature      GPU_PCIE_THRU
+    }
+
 }
 
 
diff --git a/dcdbpusher/sensors/nvml/nvmlConfigurator.cpp b/dcdbpusher/sensors/nvml/nvmlConfigurator.cpp
index 034aa42..9b71512 100644
--- a/dcdbpusher/sensors/nvml/nvmlConfigurator.cpp
+++ b/dcdbpusher/sensors/nvml/nvmlConfigurator.cpp
@@ -46,6 +46,7 @@ nvmlConfigurator::nvmlConfigurator() {
 	_gpuFeatureMAP["GPU_UTL_MEM"] = GPU_UTL_MEM;
 	_gpuFeatureMAP["GPU_UTL_GPU"] = GPU_UTL_GPU;
 	_gpuFeatureMAP["GPU_ECC_ERR"] = GPU_ECC_ERR;
+	_gpuFeatureMAP["GPU_PCIE_THRU"] = GPU_PCIE_THRU;
 
 	_groupName = "group";
 	_baseName = "sensor";
diff --git a/dcdbpusher/sensors/nvml/nvmlSensorBase.h b/dcdbpusher/sensors/nvml/nvmlSensorBase.h
index 4a82ccf..b23aebe 100644
--- a/dcdbpusher/sensors/nvml/nvmlSensorBase.h
+++ b/dcdbpusher/sensors/nvml/nvmlSensorBase.h
@@ -51,6 +51,8 @@ enum GPU_FEATURE {
 	GPU_UTL_MEM             = 10,
 	GPU_UTL_GPU             = 11,
 	GPU_ECC_ERR		= 13,
+	GPU_PCIE_THRU           = 14,
+
 };
 
 /**
@@ -142,9 +144,12 @@ class nvmlSensorBase : public SensorBase {
 				case GPU_UTL_GPU:
 					feature = "GPU_UTL_GPU";
 					break;
-                                case GPU_ECC_ERR:
-                                        feature = "GPU_ECC_ERR";
-                                        break;
+				case GPU_ECC_ERR:
+					feature = "GPU_ECC_ERR";
+					break;
+				case GPU_PCIE_THRU:
+					feature = "GPU_PCIE_THRU";
+					break;
 			}  
 			LOG_VAR(ll) << leading << "    Feature type:  " << feature;    
 		}
diff --git a/dcdbpusher/sensors/nvml/nvmlSensorGroup.cpp b/dcdbpusher/sensors/nvml/nvmlSensorGroup.cpp
index 102ee4d..f70c6fa 100644
--- a/dcdbpusher/sensors/nvml/nvmlSensorGroup.cpp
+++ b/dcdbpusher/sensors/nvml/nvmlSensorGroup.cpp
@@ -41,9 +41,6 @@ struct counters_t {
 	unsigned long long energy_initial;
 	unsigned long long energy_current;
 	unsigned long long energy_previous;
-	//	unsigned int freq1;
-	//	unsigned int freq2;
-	//	unsigned int freq3;
 	unsigned int temperature;
 	unsigned int fanspeed;
 	unsigned int clockspeed_graphics;
@@ -53,6 +50,7 @@ struct counters_t {
 	unsigned int power;
 	unsigned long long ecc_counts;
 	nvmlUtilization_t utilization;
+	unsigned int pcie_throughput;
 } counters;
 
 nvmlSensorGroup::nvmlSensorGroup(const std::string& name) :
@@ -190,6 +188,10 @@ void nvmlSensorGroup::read() {
 					err = nvmlDeviceGetTotalEccErrors (env.device, NVML_MEMORY_ERROR_TYPE_CORRECTED,NVML_VOLATILE_ECC,&(counters.ecc_counts));
 					reading.value = counters.ecc_counts;
 					break;
+                                case(GPU_PCIE_THRU):
+                                        err = nvmlDeviceGetPcieThroughput (env.device, NVML_PCIE_UTIL_COUNT,&(counters.pcie_throughput));
+                                        reading.value = counters.pcie_throughput;
+                                        break;
 
 			}
 			s->storeReading(reading);
-- 
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