doc: Add 'show thread cpu' and 'show thread poll' documentation

Add some very basic 'show thread cpu' and 'show thread poll'
documentation to our system.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/doc/user/basic.rst b/doc/user/basic.rst
index f55b1b9d73a77a88fd350f2a282802203f709363..3df60169f7f75a526296b41a6faedeec4d9a2c76 100644 (file)
--- a/doc/user/basic.rst
+++ b/doc/user/basic.rst
@@ -414,6 +414,22 @@ Terminal Mode Commands
         (view)  show [ip] bgp l2vpn evpn all overlay
         ...
 
+.. _common-show-commands:
+
+.. index:: show thread cpu
+.. clicmd:: show thread cpu [r|w|t|e|x]
+
+   This command displays system run statistics for all the different event
+   types. If no options is specified all different run types are displayed
+   together.  Additionally you can ask to look at (r)ead, (w)rite, (t)imer,
+   (e)vent and e(x)ecute thread event types.
+
+.. index:: show thread poll
+.. clicmd:: show thread poll
+
+   This command displays FRR's poll data.  It allows a glimpse into how
+   we are setting each individual fd for the poll command at that point
+   in time.
 
 .. _common-invocation-options: