| #!/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_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_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 "$context_dir/operations" "exist" 600 |
| test_monitoring_attrs "$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" |
