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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
bindir=$(dirname "$0")
cd "$bindir"
damo="../../damo"
cmd_log=$(mktemp damo_test_cmd_log_XXX)
cleanup_files()
{
files_to_remove="./damon.data ./damon.data.perf.data ./damon.data.old"
for file in $files_to_remove
do
if [ -f "$file" ]
then
if ! sudo rm "$file"
then
echo "removing $file failed"
exit 1
fi
fi
done
}
test_record_permission()
{
sudo "$damo" record "sleep 5" --timeout 5 --output_permission 611 \
&> "$cmd_log"
if [ ! "$(stat -c %a damon.data)" = "611" ]
then
echo "FAIL record-permission"
cat "$cmd_log"
exit 1
fi
cleanup_files
echo "PASS record-permission"
}
test_record_validate_noexit()
{
if [ $# -ne 4 ]
then
echo "Usage: $0 <target> <timeout> <region> \\"
echo " <damon interface to use>"
return 1
fi
target=$1
timeout=$2
regions_boundary=$3
damon_interface=$4
testname="record-validate \"$target\" $timeout $regions_boundary"
testname+=" $damon_interface"
if [ "$target" = "paddr" ] && ! sudo "$damo" features \
--damon_interface_DEPRECATED "$damon_interface" supported \
2> /dev/null | \
grep -w paddr &> /dev/null
then
echo "SKIP record-validate $target $timeout (paddr unsupported)"
return 2
fi
if [ "$regions_boundary" = "none" ]
then
sudo "$damo" record "$target" --timeout "$timeout" \
--damon_interface_DEPRECATED "$damon_interface" \
&> "$cmd_log"
else
sudo "$damo" record "$target" --timeout "$timeout" \
--regions "$regions_boundary" \
--damon_interface_DEPRECATED "$damon_interface" \
&> "$cmd_log"
fi
rc=$?
if [ $rc -ne 0 ]
then
echo "FAIL $testname"
echo "(damo-record command failed with value $rc)"
cat "$cmd_log"
return 3
fi
if [ "$regions_boundary" = "none" ]
then
if ! sudo "$damo" validate &> "$cmd_log"
then
echo "FAIL $testname (record file is not valid)"
cat "$cmd_log"
return 4
fi
else
if ! sudo "$damo" validate \
--regions_boundary "$regions_boundary" &> "$cmd_log"
then
echo "FAIL $testname (record file is not valid)"
cat "$cmd_log"
return 5
fi
fi
if [ -f ./damon.data.perf.data ]
then
echo "FAIL $testname (perf.data is not removed)"
cat "$cmd_log"
return 6
fi
permission=$(stat -c %a damon.data)
if [ ! "$permission" = "600" ]
then
echo "FAIL $testname (out file permission $permission)"
cat "$cmd_log"
return 7
fi
cleanup_files
echo "PASS $testname"
return 0
}
test_record_validate()
{
if [ $# -ne 4 ]
then
echo "Usage: $0 <target> <timeout> <region> \\"
echo " <damon interface to use>"
exit 1
fi
local output=$(test_record_validate_noexit "$1" "$2" "$3" "$4")
local rc=$?
echo "$output"
if [ "$rc" = "0" ]
then
return
fi
exit 1
}
test_sleep_record_validate()
{
if [ $# -ne 4 ]
then
echo "Usage: $0 <min timeout> <max timeout> <region> \\"
echo " <damon interface to use>"
exit 1
fi
local min_timeout=$1
local max_timeout=$2
local region_boundasry=$3
local damon_interface=$4
# for short runtime, damo gets no sufficient time to collect record.
# Gradually increase the timeout and retry until success, or reaching
# the maximum timeout.
for ((runtime = min_timeout ; runtime < max_timeout ; \
runtime += min_timeout))
do
output=$(test_record_validate_noexit "sleep $runtime" \
"$runtime" "$region_boundasry" "$damon_interface")
local rc=$?
if echo "$output" | grep --quiet "target snapshots is zero"
then
echo "no snapshot failure with runtime $runtime; retry"
continue
fi
echo "$output"
if [ "$rc" -ne "0" ]
then
exit 1
fi
return
done
}
damon_interfaces=""
if [ -d "/sys/kernel/debug/damon" ]
then
damon_interfaces+="debugfs "
fi
if [ -d "/sys/kernel/mm/damon" ]
then
damon_interfaces+="sysfs "
fi
if [ "$damon_interfaces" = "" ]
then
echo "SKIP $(basename $(pwd)) (DAMON interface not found)"
exit 0
fi
for damon_interface in $damon_interfaces
do
test_sleep_record_validate 5 16 "none" "$damon_interface"
test_record_validate "paddr" 3 "none" "$damon_interface"
done
if sudo "$damo" features \
--damon_interface_DEPRECATED "$damon_interface" supported \
2> /dev/null | \
grep -w fvaddr &> /dev/null
then
test_sleep_record_validate 5 16 "4096-81920" "sysfs"
fi
test_record_permission
rm -f "$cmd_log"
echo "PASS $(basename $(pwd))"
|
