docs: perf: move to the admin-guide
The perf infrastructure is used for userspace to track issues.
At least a good part of what's described here is related to
it.
So, add it to the admin-guide.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst
index 8853c95ef..f40c4b5 100644
--- a/Documentation/admin-guide/index.rst
+++ b/Documentation/admin-guide/index.rst
@@ -38,6 +38,7 @@
ramoops
dynamic-debug-howto
init
+ perf/index
This is the beginning of a section with information of interest to
application developers. Documents covering various aspects of the kernel
