[SWDEV-525336] Filter out amd-smi process itself from detection (#638)

* Filter out amd-smi from process detection
* Fixed N/A stripping N/ incorrectly from running elevated processes

Signed-off-by: adapryor <Adam.pryor@amd.com>

[ROCm/amdsmi commit: ad29de4238]

projects/amdsmi/amdsmi_cli/amdsmi_logger.py

@@ -239,9 +239,10 @@ class AMDSMILogger():
                             string_process_value = str(process_value)
                             if process_key == "name":
                                 # Truncate name if too long
-                                process_name = string_process_value.split('/')[-1][:17]
-                                if process_name == "":
+                                if string_process_value == "" or string_process_value == "N/A":
                                     process_name = "N/A"
+                                else:
+                                    process_name = string_process_value.split('/')[-1][:17]
                                 table_values += process_name.rjust(17)
                             elif process_key == "pid":
                                 table_values += string_process_value.rjust(9)

projects/amdsmi/rocm_smi/src/rocm_smi_kfd.cc

@@ -327,6 +327,12 @@ int GetProcessGPUs(uint32_t pid, std::unordered_set<uint64_t> *gpu_set) {
   if (gpu_set == nullptr) {
     return RSMI_STATUS_INVALID_ARGS;
   }
+
+  // Skip amd-smi process itself
+  if (pid == static_cast<uint32_t>(getpid())) {
+    return 0;
+  }
+
   errno = 0;
 
   std::string queues_dir = kKFDProcPathRoot;