1 files changed, 76 insertions, 0 deletions
diff --git a/glances/plugins/core/__init__.py b/glances/plugins/core/__init__.py
index e69de29b..c4a8816b 100644
--- a/glances/plugins/core/__init__.py
+++ b/glances/plugins/core/__init__.py
@@ -0,0 +1,76 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of Glances.
+#
+# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
+#
+# SPDX-License-Identifier: LGPL-3.0-only
+#
+
+"""CPU core plugin."""
+
+from glances.plugins.plugin.model import GlancesPluginModel
+
+import psutil
+
+# Fields description
+fields_description = {
+    'phys': {'description': 'Number of physical cores (hyper thread CPUs are excluded).', 'unit': 'number'},
+    'log': {
+        'description': 'Number of logical CPUs. A logical CPU is the number of \
+physical cores multiplied by the number of threads that can run on each core.',
+        'unit': 'number',
+    },
+}
+
+
+class PluginModel(GlancesPluginModel):
+    """Glances CPU core plugin.
+
+    Get stats about CPU core number.
+
+    stats is integer (number of core)
+    """
+
+    def __init__(self, args=None, config=None):
+        """Init the plugin."""
+        super(PluginModel, self).__init__(args=args, config=config, fields_description=fields_description)
+
+        # We dot not want to display the stat in the curse interface
+        # The core number is displayed by the load plugin
+        self.display_curse = False
+
+    # Do *NOT* uncomment the following line
+    # @GlancesPluginModel._check_decorator
+    @GlancesPluginModel._log_result_decorator
+    def update(self):
+        """Update core stats.
+
+        Stats is a dict (with both physical and log cpu number) instead of a integer.
+        """
+        # Init new stats
+        stats = self.get_init_value()
+
+        if self.input_method == 'local':
+            # Update stats using the standard system lib
+
+            # The psutil 2.0 include psutil.cpu_count() and psutil.cpu_count(logical=False)
+            # Return a dict with:
+            # - phys: physical cores only (hyper thread CPUs are excluded)
+            # - log: logical CPUs in the system
+            # Return None if undefined
+            try:
+                stats["phys"] = psutil.cpu_count(logical=False)
+                stats["log"] = psutil.cpu_count()
+            except NameError:
+                self.reset()
+
+        elif self.input_method == 'snmp':
+            # Update stats using SNMP
+            # http://stackoverflow.com/questions/5662467/how-to-find-out-the-number-of-cpus-using-snmp
+            pass
+
+        # Update the stats
+        self.stats = stats
+
+        return self.stats