Update docs for the new IRQ plugin

5 files changed, 20 insertions, 4 deletions

diff --git a/NEWS b/NEWS
index 0451dbc6..58b4d29f 100644
--- a/NEWS
+++ b/NEWS
@@ -19,6 +19,7 @@ Enhancements and new features:
 
     * Add Application Monitoring Process plugin (issue #780)
     * Add a new "Ports scanner" plugin (issue #734)
+    * Add a new IRQ monitoring plugin (issue #911)
     * Improve IP plugin to display public IP address (issue #646)
     * CPU additionnal stats monitoring: Context switch, Interrupts... (issue #810)
     * Filter processes by others stats (username) (issue #748)
diff --git a/docs/_static/irq.png b/docs/_static/irq.png
new file mode 100644
index 00000000..397a4e18
--- /dev/null
+++ b/docs/_static/irq.png
diff --git a/docs/aoa/index.rst b/docs/aoa/index.rst
index ddef3689..adccf082 100644
--- a/docs/aoa/index.rst
+++ b/docs/aoa/index.rst
@@ -30,6 +30,7 @@ Legend:
    disk
    fs
    folders
+   irq
    sensors
    ps
    monitor
diff --git a/docs/aoa/irq.rst b/docs/aoa/irq.rst
new file mode 100644
index 00000000..8df73c1e
--- /dev/null
+++ b/docs/aoa/irq.rst
@@ -0,0 +1,14 @@
+.. _irq:
+
+IRQ
+===
+
+.. image:: ../_static/irq.png
+
+Glances displays the top 5 interrupts rate. This plugin is only available on
+GNU/Linux machine (stats are grabbed from the /proc/interrupts file).
+
+How to read the informations:
+
+* The first Column is the IRQ number / name
+* The Second column says how many times the CPU core has been interrupted during the last second
diff --git a/glances/plugins/glances_irq.py b/glances/plugins/glances_irq.py
index a7e5e698..e1c55b8b 100644
--- a/glances/plugins/glances_irq.py
+++ b/glances/plugins/glances_irq.py
@@ -56,12 +56,12 @@ class Plugin(GlancesPlugin):
     def update(self):
         """Update the IRQ stats"""
 
-        if not LINUX: # only available on GNU/Linux
-            return []
-
         # Reset the list
         self.reset()
 
+        if not LINUX:  # only available on GNU/Linux
+            return self.stats
+
         if self.input_method == 'local':
             with open('/proc/interrupts') as irq_proc:
                 time_since_update = getTimeSinceLastUpdate('irq')
@@ -105,7 +105,7 @@ class Plugin(GlancesPlugin):
         # Init the return message
         ret = []
 
-        if not LINUX: # only available on GNU/Linux
+        if not LINUX:  # only available on GNU/Linux
             return ret
 
         # Only process if stats exist and display plugin enable...