linux-kernel - [RFC PATCH 0/4] selftests/damon: add a test for obsolete

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Message-ID: <20251018204448.8906-1-sj@kernel.org>
Date: Sat, 18 Oct 2025 13:44:41 -0700
From: SeongJae Park <sj@...nel.org>
To: 
Cc: SeongJae Park <sj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Bijan Tabatabai <bijan311@...il.com>,
	Shuah Khan <shuah@...nel.org>,
	damon@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-mm@...ck.org
Subject: [RFC PATCH 0/4] selftests/damon: add a test for obsolete_target sysfs file

An RFC patch series [1] that add a new DAMON sysfs file for arbitrary
targets removal is under review.  Add a selftest for the feature.  The
new test uses the feature using the python wrapper of DAMON sysfs
interface, and confirm the expected internal data structure change is
made using drgn.

So this patch series may better to be a part of the other one [1] that
introduces the obsolete_target file.  But, because no significant change
is requested on the series so far, I'm posting this as an individual
RFC.

In the next version, I may merge the two series into one, to add all
related changes at one step.

[1] https://lore.kernel.org/20251016214736.84286-1-sj@kernel.org

SeongJae Park (4):
  selftests/damon/_damon_sysfs: support obsolete_target file
  drgn_dump_damon_status: dump damon_target->obsolete
  sysfs.py: extend assert_ctx_committed() for monitoring targets
  selftests/damon/sysfs: add obsolete_target test

 tools/testing/selftests/damon/_damon_sysfs.py | 11 ++++-
 .../selftests/damon/drgn_dump_damon_status.py |  1 +
 tools/testing/selftests/damon/sysfs.py        | 48 +++++++++++++++++++
 3 files changed, 58 insertions(+), 2 deletions(-)

base-commit: 1aba8bd57e6aaa1c9e699c8de66bcc931d4b1116
-- 
2.47.3