use lscpu instead of /proc/cpuinfo

Author: jaja360

scripts/generate_multiple_tables.py

@@ -29,18 +29,24 @@
 
 
 def get_cpu_model():
-    if platform.system() == "Windows":
+    system = platform.system()
+    if system == "Windows":
         return platform.processor()
-    elif platform.system() == "Darwin":
+    elif system == "Darwin":
         os.environ['PATH'] = os.environ['PATH'] + os.pathsep + '/usr/sbin'
-        command = "sysctl -n machdep.cpu.brand_string"
-        return subprocess.check_output(command).strip()
-    elif platform.system() == "Linux":
-        command = "cat /proc/cpuinfo"
-        output = subprocess.check_output(command, shell=True).decode().strip()
-        for line in output.split("\n"):
-            if line.startswith("model name"):
-                return line.split(':', 1)[1].strip()
+        command = ["sysctl", "-n", "machdep.cpu.brand_string"]
+        return subprocess.check_output(command, text=True).strip()
+    elif system == "Linux":
+        output = subprocess.check_output(["lscpu"], text=True)
+        model_name = None
+        architecture = None
+        for line in output.splitlines():
+            if "Model name:" in line:
+                model_name = line.split(":", 1)[1].strip()
+            elif "Architecture:" in line:
+                architecture = line.split(":", 1)[1].strip()
+        # Prefer model_name if available; fallback to architecture
+        return model_name or architecture or "unknown_cpu"
     return "unknown_cpu"