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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Kselftest frmework requirement - SKIP code is 4.
ksft_skip=4
ensure_write_succ()
{
file=$1
content=$2
reason=$3
if ! echo "$content" > "$file"
then
echo "writing $content to $file failed"
echo "expected success because $reason"
exit 1
fi
}
ensure_write_fail()
{
file=$1
content=$2
reason=$3
if echo "$content" > "$file"
then
echo "writing $content to $file succeed ($fail_reason)"
echo "expected failure because $reason"
exit 1
fi
}
ensure_dir()
{
dir=$1
to_ensure=$2
if [ "$to_ensure" = "exist" ] && [ ! -d "$dir" ]
then
echo "$dir dir is expected but not found"
exit 1
elif [ "$to_ensure" = "not_exist" ] && [ -d "$dir" ]
then
echo "$dir dir is not expected but found"
exit 1
fi
}
ensure_file()
{
file=$1
to_ensure=$2
permission=$3
if [ "$to_ensure" = "exist" ]
then
if [ ! -f "$file" ]
then
echo "$file is expected but not found"
exit 1
fi
perm=$(stat -c "%a" "$file")
if [ ! "$perm" = "$permission" ]
then
echo "$file permission: expected $permission but $perm"
exit 1
fi
elif [ "$to_ensure" = "not_exist" ] && [ -f "$dir" ]
then
echo "$file is not expected but found"
exit 1
fi
}
test_range()
{
range_dir=$1
ensure_dir "$range_dir" "exist"
ensure_file "$range_dir/min" "exist" 600
ensure_file "$range_dir/max" "exist" 600
}
test_tried_regions()
{
tried_regions_dir=$1
ensure_dir "$tried_regions_dir" "exist"
}
test_stats()
{
stats_dir=$1
ensure_dir "$stats_dir" "exist"
for f in nr_tried sz_tried nr_applied sz_applied qt_exceeds
do
ensure_file "$stats_dir/$f" "exist" "400"
done
}
test_watermarks()
{
watermarks_dir=$1
ensure_dir "$watermarks_dir" "exist"
ensure_file "$watermarks_dir/metric" "exist" "600"
ensure_file "$watermarks_dir/interval_us" "exist" "600"
ensure_file "$watermarks_dir/high" "exist" "600"
ensure_file "$watermarks_dir/mid" "exist" "600"
ensure_file "$watermarks_dir/low" "exist" "600"
}
test_weights()
{
weights_dir=$1
ensure_dir "$weights_dir" "exist"
ensure_file "$weights_dir/sz_permil" "exist" "600"
ensure_file "$weights_dir/nr_accesses_permil" "exist" "600"
ensure_file "$weights_dir/age_permil" "exist" "600"
}
test_quotas()
{
quotas_dir=$1
ensure_dir "$quotas_dir" "exist"
ensure_file "$quotas_dir/ms" "exist" 600
ensure_file "$quotas_dir/bytes" "exist" 600
ensure_file "$quotas_dir/reset_interval_ms" "exist" 600
test_weights "$quotas_dir/weights"
}
test_access_pattern()
{
access_pattern_dir=$1
ensure_dir "$access_pattern_dir" "exist"
test_range "$access_pattern_dir/age"
test_range "$access_pattern_dir/nr_accesses"
test_range "$access_pattern_dir/sz"
}
test_scheme()
{
scheme_dir=$1
ensure_dir "$scheme_dir" "exist"
ensure_file "$scheme_dir/action" "exist" "600"
test_access_pattern "$scheme_dir/access_pattern"
test_quotas "$scheme_dir/quotas"
test_watermarks "$scheme_dir/watermarks"
test_stats "$scheme_dir/stats"
test_tried_regions "$scheme_dir/tried_regions"
}
test_schemes()
{
schemes_dir=$1
ensure_dir "$schemes_dir" "exist"
ensure_file "$schemes_dir/nr_schemes" "exist" 600
ensure_write_succ "$schemes_dir/nr_schemes" "1" "valid input"
test_scheme "$schemes_dir/0"
ensure_write_succ "$schemes_dir/nr_schemes" "2" "valid input"
test_scheme "$schemes_dir/0"
test_scheme "$schemes_dir/1"
ensure_write_succ "$schemes_dir/nr_schemes" "0" "valid input"
ensure_dir "$schemes_dir/0" "not_exist"
ensure_dir "$schemes_dir/1" "not_exist"
}
test_region()
{
region_dir=$1
ensure_dir "$region_dir" "exist"
ensure_file "$region_dir/start" "exist" 600
ensure_file "$region_dir/end" "exist" 600
}
test_regions()
{
regions_dir=$1
ensure_dir "$regions_dir" "exist"
ensure_file "$regions_dir/nr_regions" "exist" 600
ensure_write_succ "$regions_dir/nr_regions" "1" "valid input"
test_region "$regions_dir/0"
ensure_write_succ "$regions_dir/nr_regions" "2" "valid input"
test_region "$regions_dir/0"
test_region "$regions_dir/1"
ensure_write_succ "$regions_dir/nr_regions" "0" "valid input"
ensure_dir "$regions_dir/0" "not_exist"
ensure_dir "$regions_dir/1" "not_exist"
}
test_target()
{
target_dir=$1
ensure_dir "$target_dir" "exist"
ensure_file "$target_dir/pid_target" "exist" "600"
test_regions "$target_dir/regions"
}
test_targets()
{
targets_dir=$1
ensure_dir "$targets_dir" "exist"
ensure_file "$targets_dir/nr_targets" "exist" 600
ensure_write_succ "$targets_dir/nr_targets" "1" "valid input"
test_target "$targets_dir/0"
ensure_write_succ "$targets_dir/nr_targets" "2" "valid input"
test_target "$targets_dir/0"
test_target "$targets_dir/1"
ensure_write_succ "$targets_dir/nr_targets" "0" "valid input"
ensure_dir "$targets_dir/0" "not_exist"
ensure_dir "$targets_dir/1" "not_exist"
}
test_intervals()
{
intervals_dir=$1
ensure_dir "$intervals_dir" "exist"
ensure_file "$intervals_dir/aggr_us" "exist" "600"
ensure_file "$intervals_dir/sample_us" "exist" "600"
ensure_file "$intervals_dir/update_us" "exist" "600"
}
test_monitoring_attrs()
{
monitoring_attrs_dir=$1
ensure_dir "$monitoring_attrs_dir" "exist"
test_intervals "$monitoring_attrs_dir/intervals"
test_range "$monitoring_attrs_dir/nr_regions"
}
test_context()
{
context_dir=$1
ensure_dir "$context_dir" "exist"
ensure_file "$context_dir/avail_operations" "exit" 400
ensure_file "$context_dir/operations" "exist" 600
test_monitoring_attrs "$context_dir/monitoring_attrs"
test_targets "$context_dir/targets"
test_schemes "$context_dir/schemes"
}
test_contexts()
{
contexts_dir=$1
ensure_dir "$contexts_dir" "exist"
ensure_file "$contexts_dir/nr_contexts" "exist" 600
ensure_write_succ "$contexts_dir/nr_contexts" "1" "valid input"
test_context "$contexts_dir/0"
ensure_write_fail "$contexts_dir/nr_contexts" "2" "only 0/1 are supported"
test_context "$contexts_dir/0"
ensure_write_succ "$contexts_dir/nr_contexts" "0" "valid input"
ensure_dir "$contexts_dir/0" "not_exist"
}
test_kdamond()
{
kdamond_dir=$1
ensure_dir "$kdamond_dir" "exist"
ensure_file "$kdamond_dir/state" "exist" "600"
ensure_file "$kdamond_dir/pid" "exist" 400
test_contexts "$kdamond_dir/contexts"
}
test_kdamonds()
{
kdamonds_dir=$1
ensure_dir "$kdamonds_dir" "exist"
ensure_file "$kdamonds_dir/nr_kdamonds" "exist" "600"
ensure_write_succ "$kdamonds_dir/nr_kdamonds" "1" "valid input"
test_kdamond "$kdamonds_dir/0"
ensure_write_succ "$kdamonds_dir/nr_kdamonds" "2" "valid input"
test_kdamond "$kdamonds_dir/0"
test_kdamond "$kdamonds_dir/1"
ensure_write_succ "$kdamonds_dir/nr_kdamonds" "0" "valid input"
ensure_dir "$kdamonds_dir/0" "not_exist"
ensure_dir "$kdamonds_dir/1" "not_exist"
}
test_damon_sysfs()
{
damon_sysfs=$1
if [ ! -d "$damon_sysfs" ]
then
echo "$damon_sysfs not found"
exit $ksft_skip
fi
test_kdamonds "$damon_sysfs/kdamonds"
}
check_dependencies()
{
if [ $EUID -ne 0 ]
then
echo "Run as root"
exit $ksft_skip
fi
}
check_dependencies
test_damon_sysfs "/sys/kernel/mm/damon/admin"
|
