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selftets/damon: prepare for monitor_on file renaming

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Following change will rename 'monitor_on' DAMON debugfs file to
'monitor_on_DEPRECATED', to make the deprecation unignorable in runtime. 
Since it could make DAMON selftests fail and disturb future bisects,
update DAMON selftests to support the change.

Link: https://lkml.kernel.org/r/20240130013549.89538-7-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Alex Shi <alexs@kernel.org>
Cc: Hu Haowen <2023002089@link.tyut.edu.cn>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2024-01-29 17:35:45 -08:00 committed by Andrew Morton
parent cf3810cc31
commit 8d1d3807d5
3 changed files with 26 additions and 4 deletions
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11
tools/testing/selftests/damon/_chk_dependency.sh
View File

@ -18,7 +18,14 @@ then
exit $ksft_skip
fi
for f in attrs target_ids monitor_on
if [ -f "$DBGFS/monitor_on_DEPRECATED" ]
then
monitor_on_file="monitor_on_DEPRECATED"
else
monitor_on_file="monitor_on"
fi
for f in attrs target_ids "$monitor_on_file"
do
if [ ! -f "$DBGFS/$f" ]
then
@ -28,7 +35,7 @@ do
done
permission_error="Operation not permitted"
for f in attrs target_ids monitor_on
for f in attrs target_ids "$monitor_on_file"
do
status=$( cat "$DBGFS/$f" 2>&1 )
if [ "${status#*$permission_error}" != "$status" ]; then

7
tools/testing/selftests/damon/_debugfs_common.sh
View File

@ -45,6 +45,13 @@ test_content() {
source ./_chk_dependency.sh
damon_onoff="$DBGFS/monitor_on"
if [ -f "$DBGFS/monitor_on_DEPRECATED" ]
then
damon_onoff="$DBGFS/monitor_on_DEPRECATED"
else
damon_onoff="$DBGFS/monitor_on"
fi
if [ $(cat "$damon_onoff") = "on" ]
then
echo "monitoring is on"

12
tools/testing/selftests/damon/debugfs_empty_targets.sh
View File

@ -8,6 +8,14 @@ source _debugfs_common.sh
orig_target_ids=$(cat "$DBGFS/target_ids")
echo "" > "$DBGFS/target_ids"
orig_monitor_on=$(cat "$DBGFS/monitor_on")
test_write_fail "$DBGFS/monitor_on" "on" "orig_monitor_on" "empty target ids"
if [ -f "$DBGFS/monitor_on_DEPRECATED" ]
then
monitor_on_file="$DBGFS/monitor_on_DEPRECATED"
else
monitor_on_file="$DBGFS/monitor_on"
fi
orig_monitor_on=$(cat "$monitor_on_file")
test_write_fail "$monitor_on_file" "on" "orig_monitor_on" "empty target ids"
echo "$orig_target_ids" > "$DBGFS/target_ids"