[feat] Include hardware platform info in ProcessorInfo

docs/config_reference.rst

@@ -1923,6 +1923,15 @@ A *processor info object* in ReFrame's configuration is used to hold information
 
    .. versionadded:: 4.6
 
+.. attribute:: systems.partitions.processor.platform
+
+   :required: No
+   :default: ``None``
+
+   The hardware platform for this processor (e.g., ``x86_64``, ``arm64`` etc.)
+
+   .. versionadded:: 4.6
+
 .. attribute:: systems.partitions.processor.num_cpus
 
    :required: No

reframe/core/systems.py

@@ -56,7 +56,7 @@ class ProcessorInfo(_ReadOnlyInfo, jsonext.JSONSerializable):
 
     __slots__ = ()
     _known_attrs = (
-        'arch', 'model', 'num_cpus', 'num_cpus_per_core',
+        'arch', 'model', 'platform', 'num_cpus', 'num_cpus_per_core',
         'num_cpus_per_socket', 'num_sockets', 'topology'
     )
 

reframe/schemas/config.json

@@ -220,6 +220,7 @@
                 "arch": {"type": "string"},
                 "vendor": {"type": "string"},
                 "model": {"type": "string"},
+                "platform": {"type": "string"},
                 "num_cpus": {"type": "number"},
                 "num_cpus_per_core": {"type": "number"},
                 "num_cpus_per_socket": {"type": "number"},

reframe/utility/cpuinfo.py

@@ -7,6 +7,7 @@
 import contextlib
 import glob
 import os
+import platform
 import re
 
 import reframe.utility.osext as osext
@@ -284,7 +285,8 @@ def cpuinfo():
         'arch': archspec.cpu.host().name,
         'vendor': archspec.cpu.host().vendor,
         'model': archspec.cpu.detect.raw_info_dictionary().get('model name',
-                                                               'N/A')
+                                                               'N/A'),
+        'platform': platform.machine()
     }
 
     # Try first to get information from the filesystem

unittests/resources/config/settings.py

@@ -76,6 +76,7 @@ def hostname():
                     'processor': {
                         'arch': 'skylake',
                         'model': 'Intel Skylake',
+                        'platform': 'x86_64',
                         'num_cpus': 8,
                         'num_cpus_per_core': 2,
                         'num_cpus_per_socket': 8,

unittests/test_config.py

@@ -466,6 +466,7 @@ def test_system_create(site_config):
     assert partition.processor.topology is not None
     assert partition.processor.arch == 'skylake'
     assert partition.processor.model == 'Intel Skylake'
+    assert partition.processor.platform == 'x86_64'
     assert partition.processor.num_cpus == 8
     assert partition.processor.num_cpus_per_core == 2
     assert partition.processor.num_cpus_per_socket == 8