[GPUM] added new bar1 metrics to the metadata.csv (DataDog#21116)

* added new metrics to the csv

* updated changelog

Author: val06

gpu/CHANGELOG.md

@@ -1,6 +1,12 @@
 # CHANGELOG - GPU
 
 
+## 0.4.0
+
+***Added***:
+
+* Added BAR1 GPU memory metrics: `gpu.memory.bar1.free`, `gpu.memory.bar1.total`, `gpu.memory.bar1.used`.
+
 ## 0.3.0
 
 ***Added***:

gpu/metadata.csv

@@ -26,6 +26,9 @@ gpu.fp32_active,gauge,,percent,,Percentage of the time that the 32-bit floating
 gpu.fp64_active,gauge,,percent,,Percentage of the time that the 64-bit floating point calculation engine was active. Only for Hopper and newer GPUs,0,gpu,fp64_active,,
 gpu.gr_engine_active,gauge,,percent,,Percentage of time that the graphics engine was active,0,gpu,gr_engine_active,,
 gpu.integer_active,gauge,,percent,,Percentage of the time that the integer calculation engine was active. Only for Hopper and newer GPUs,0,gpu,integer_active,,
+gpu.memory.bar1.free,gauge,,byte,,Unallocated BAR1 memory (in bytes),0,gpu,memory.bar1.free,,
+gpu.memory.bar1.total,gauge,,byte,,Total BAR1 memory (in bytes).,0,gpu,memory.bar1.total,,
+gpu.memory.bar1.used,gauge,,byte,,Allocated used memory (in bytes),0,gpu,memory.bar1.used,,
 gpu.memory.limit,gauge,,byte,,The maximum amount of memory a process/container/device could allocate,0,gpu,memory.limit,,
 gpu.memory.temperature,gauge,,degree celsius,,Temperature of the memory chip,0,gpu,memory.temperature,,
 gpu.memory.usage,gauge,,byte,,The memory used by this process at the point the metric was given. Only emitted when processes are active.,0,gpu,memory.usage,,