From: akpm@linux-foundation.org
To: corbet@lwn.net, mm-commits@vger.kernel.org, sj@kernel.org
Subject: [merged] docs-admin-guide-mm-damon-usage-mention-tracepoint-at-the-beginning.patch removed from -mm tree
Date: Thu, 20 Jan 2022 13:28:40 -0800 [thread overview]
Message-ID: <20220120212840.ThcrN7pMH%akpm@linux-foundation.org> (raw)
The patch titled
Subject: Docs/admin-guide/mm/damon/usage: mention tracepoint at the beginning
has been removed from the -mm tree. Its filename was
docs-admin-guide-mm-damon-usage-mention-tracepoint-at-the-beginning.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: Docs/admin-guide/mm/damon/usage: mention tracepoint at the beginning
To get detailed monitoring results from the user space, users need to use
the damon_aggregated tracepoint. This commit adds a brief mention of it
at the beginning of the usage document.
Link: https://lkml.kernel.org/r/20211209131806.19317-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
Documentation/admin-guide/mm/damon/usage.rst | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/Documentation/admin-guide/mm/damon/usage.rst~docs-admin-guide-mm-damon-usage-mention-tracepoint-at-the-beginning
+++ a/Documentation/admin-guide/mm/damon/usage.rst
@@ -21,7 +21,10 @@ DAMON provides below three interfaces fo
you can write and use your personalized DAMON debugfs wrapper programs that
reads/writes the debugfs files instead of you. The `DAMON user space tool
<https://github.com/awslabs/damo>`_ is one example of such programs. It
- supports both virtual and physical address spaces monitoring.
+ supports both virtual and physical address spaces monitoring. Note that this
+ interface provides only simple :ref:`statistics <damos_stats>` for the
+ monitoring results. For detailed monitoring results, DAMON provides a
+ :ref:`tracepoint <tracepoint>`.
- *Kernel Space Programming Interface.*
:doc:`This </vm/damon/api>` is for kernel space programmers. Using this,
users can utilize every feature of DAMON most flexibly and efficiently by
@@ -215,6 +218,8 @@ If the value is higher than ``<high mark
scheme is deactivated. If the value is lower than ``<mid mark>``, the scheme
is activated.
+.. _damos_stats:
+
Statistics
~~~~~~~~~~
@@ -268,6 +273,8 @@ the monitoring is turned on. If you wri
an error code such as ``-EBUSY`` will be returned.
+.. _tracepoint:
+
Tracepoint for Monitoring Results
=================================
_
Patches currently in -mm which might be from sj@kernel.org are
reply other threads:[~2022-01-20 21:28 UTC|newest]
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