diff mbox series

[13/21] selftests/damon: skip test if DAMON is running

Message ID	20211210224646.fzWaFcACO%akpm@linux-foundation.org (mailing list archive)
State	New
Headers	show Return-Path: <owner-linux-mm@kvack.org> Date: Fri, 10 Dec 2021 14:46:46 -0800 From: Andrew Morton <akpm@linux-foundation.org> To: akpm@linux-foundation.org, brendanhiggins@google.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, shuah@kernel.org, sj@kernel.org, torvalds@linux-foundation.org Subject: [patch 13/21] selftests/damon: skip test if DAMON is running Message-ID: <20211210224646.fzWaFcACO%akpm@linux-foundation.org> In-Reply-To: <20211210144539.663efee2c80d8450e6180230@linux-foundation.org> User-Agent: s-nail v14.8.16 Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	[01/21] Increase default MLOCK_LIMIT to 8 MiB \| expand [01/21] Increase default MLOCK_LIMIT to 8 MiB [02/21] MAINTAINERS: update kdump maintainers [03/21] mailmap: update email address for Guo Ren [04/21] filemap: remove PageHWPoison check from next_uptodate_page() [05/21] timers: implement usleep_idle_range() [06/21] mm/damon/core: fix fake load reports due to uninterruptible sleeps [07/21] mm/damon/core: use better timer mechanisms selection threshold [08/21] mm/damon/dbgfs: remove an unnecessary error message [09/21] mm/damon/core: remove unnecessary error messages [10/21] mm/damon/vaddr: remove an unnecessary warning message [11/21] mm/damon/vaddr-test: split a test function having >1024 bytes frame size [12/21] mm/damon/vaddr-test: remove unnecessary variables [13/21] selftests/damon: skip test if DAMON is running [14/21] selftests/damon: test DAMON enabling with empty target_ids case [15/21] selftests/damon: test wrong DAMOS condition ranges input [16/21] selftests/damon: test debugfs file reads/writes with huge count [17/21] selftests/damon: split test cases [18/21] mm/slub: fix endianness bug for alloc/free_traces attributes [19/21] mm/memcg: relocate mod_objcg_mlstate(), get_obj_stock() and put_obj_stock() [20/21] hugetlbfs: fix issue of preallocation of gigantic pages can't work [21/21] mm: bdi: initialize bdi_min_ratio when bdi is unregistered

Commit Message

Andrew Morton Dec. 10, 2021, 10:46 p.m. UTC

From: SeongJae Park <sj@kernel.org>
Subject: selftests/damon: skip test if DAMON is running

Testing the DAMON debugfs files while DAMON is running makes no sense, as
any write to the debugfs files will fail.  This commit makes the test be
skipped in this case.

Link: https://lkml.kernel.org/r/20211201150440.1088-8-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/damon/debugfs_attrs.sh |    9 +++++++++
 1 file changed, 9 insertions(+)

diff mbox series

Patch

--- a/tools/testing/selftests/damon/debugfs_attrs.sh~selftests-damon-skip-test-if-damon-is-running
+++ a/tools/testing/selftests/damon/debugfs_attrs.sh
@@ -44,6 +44,15 @@  test_content() {
 
 source ./_chk_dependency.sh
 
+ksft_skip=4
+
+damon_onoff="$DBGFS/monitor_on"
+if [ $(cat "$damon_onoff") = "on" ]
+then
+	echo "monitoring is on"
+	exit $ksft_skip
+fi
+
 # Test attrs file
 # ===============