[v2] Documentation/sysctl: Add timer_migration to kernel.rst

[PATCH v2] Documentation/sysctl: Add timer_migration to kernel.rst

Posted by Phil Auld 11 months ago

There is no mention of timer_migration in the docs. Add
a short description.

Signed-off-by: Phil Auld <pauld@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
---
 Documentation/admin-guide/sysctl/kernel.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index b2b36d0c3094..7c759797501d 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1544,6 +1544,13 @@ constant ``FUTEX_TID_MASK`` (0x3fffffff).
 If a value outside of this range is written to ``threads-max`` an
 ``EINVAL`` error occurs.
 
+timer_migration
+===============
+
+When set to a non-zero value, attempt to migrate timers away from idle cpus to
+allow them to remain in low power states longer.
+
+Default is set (1).
 
 traceoff_on_warning
 ===================
-- 
2.47.1

Re: [PATCH v2] Documentation/sysctl: Add timer_migration to kernel.rst

Posted by Jonathan Corbet 11 months ago

Phil Auld <pauld@redhat.com> writes:

> There is no mention of timer_migration in the docs. Add
> a short description.
>
> Signed-off-by: Phil Auld <pauld@redhat.com>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: linux-doc@vger.kernel.org
> ---
>  Documentation/admin-guide/sysctl/kernel.rst | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
> index b2b36d0c3094..7c759797501d 100644
> --- a/Documentation/admin-guide/sysctl/kernel.rst
> +++ b/Documentation/admin-guide/sysctl/kernel.rst
> @@ -1544,6 +1544,13 @@ constant ``FUTEX_TID_MASK`` (0x3fffffff).
>  If a value outside of this range is written to ``threads-max`` an
>  ``EINVAL`` error occurs.
>  
> +timer_migration
> +===============
> +
> +When set to a non-zero value, attempt to migrate timers away from idle cpus to
> +allow them to remain in low power states longer.
> +
> +Default is set (1).

Applied, thanks.

jon