[GPUM] added new process level metrics to the GPU metadata.csv (DataDog#20918)

* added new process level metrics to the metadata.csv

* fixed sorting

Author: val06

gpu/CHANGELOG.md

@@ -1,6 +1,12 @@
 # CHANGELOG - GPU
 
 
+## 0.3.0
+
+***Added***:
+
+* Added process-level GPU metrics with PID tags: `gpu.process.sm_active`, `gpu.process.dram_active`, `gpu.process.encoder_utilization`, and `gpu.process.decoder_utilization`.
+
 ## 0.2.0
 
 ***Removed***:

gpu/metadata.csv

@@ -45,6 +45,10 @@ gpu.pci.throughput.tx,gauge,,byte,second,Bytes transmitted through PCI to the GP
 gpu.performance_state,gauge,,,,Returns the current performance state of the device,0,gpu,performance_state,,
 gpu.power.management_limit,gauge,,milliwatt,,Upper boundary for the device power draw.,0,gpu,power.management_limit,,
 gpu.power.usage,gauge,,milliwatt,,"Power usage for the GPU device. On GA100 and older architectures this is the instantaneous power at that moment, in newer ones it represents the average power draw over one second",0,gpu,power.usage,,
+gpu.process.decoder_utilization,gauge,,percent,,Percentage of time the decoder was active for a specific process,0,gpu,process.decoder_utilization,,
+gpu.process.dram_active,gauge,,percent,,Percentage of time the DRAM was active for a specific process,0,gpu,process.dram_active,,
+gpu.process.encoder_utilization,gauge,,percent,,Percentage of time the encoder was active for a specific process,0,gpu,process.encoder_utilization,,
+gpu.process.sm_active,gauge,,percent,,Percentage of time the streaming multiprocessor was active for a specific process,0,gpu,process.sm_active,,
 gpu.remapped_rows.correctable,count,,,,Number of rows remapped due to correctable errors,0,gpu,remapped_rows.correctable,,
 gpu.remapped_rows.failed,count,,,,Number of rows that failed remapping,0,gpu,remapped_rows.failed,,
 gpu.remapped_rows.pending,count,,,,Number of rows pending remapping,0,gpu,remapped_rows.pending,,