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-rw-r--r--Documentation/admin-guide/sysctl/kernel.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index 68b21395a743..0ef05750dadc 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1088,6 +1088,13 @@ Model available). If your platform happens to meet the
requirements for EAS but you do not want to use it, change
this value to 0.
+task_delayacct
+===============
+
+Enables/disables task delay accounting (see
+:doc:`accounting/delay-accounting.rst`). Enabling this feature incurs
+a small amount of overhead in the scheduler but is useful for debugging
+and performance tuning. It is required by some tools such as iotop.
sched_schedstats
================