| #!/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 "$context_dir/avail_operations" "exit" 400 | |
| ensure_file "$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" |