The patch titled
Subject: Docs/admin-guide/mm/damon/usage: mention tracepoint at the beginning
has been added to the -mm tree. Its filename is
docs-admin-guide-mm-damon-usage-mention-tracepoint-at-the-beginning.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/docs-admin-guide-mm-damon-usage-mention-tracepoint-at-the-beginning.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/docs-admin-guide-mm-damon-usage-mention-tracepoint-at-the-beginning.patch
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
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@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxx are
timers-implement-usleep_idle_range.patch
mm-damon-core-fix-fake-load-reports-due-to-uninterruptible-sleeps.patch
mm-damon-core-use-better-timer-mechanisms-selection-threshold.patch
mm-damon-dbgfs-remove-an-unnecessary-error-message.patch
mm-damon-core-remove-unnecessary-error-messages.patch
mm-damon-vaddr-remove-an-unnecessary-warning-message.patch
mm-damon-vaddr-test-split-a-test-function-having-1024-bytes-frame-size.patch
mm-damon-vaddr-test-remove-unnecessary-variables.patch
selftests-damon-skip-test-if-damon-is-running.patch
selftests-damon-test-damon-enabling-with-empty-target_ids-case.patch
selftests-damon-test-wrong-damos-condition-ranges-input.patch
selftests-damon-test-debugfs-file-reads-writes-with-huge-count.patch
selftests-damon-split-test-cases.patch
mm-damon-remove-some-no-need-func-definitions-in-damonh-file-fix.patch
mm-damon-convert-macro-functions-to-static-inline-functions.patch
docs-admin-guide-mm-damon-usage-update-for-scheme-quotas-and-watermarks.patch
docs-admin-guide-mm-damon-usage-remove-redundant-information.patch
docs-admin-guide-mm-damon-usage-mention-tracepoint-at-the-beginning.patch
docs-admin-guide-mm-damon-usage-update-for-kdamond_pid-and-mkrm_contexts.patch
mm-damon-remove-a-mistakenly-added-comment-for-a-future-feature.patch
