378 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03 4# Kselftest frmework requirement - SKIP code is 4.5ksft_skip=46 7ensure_write_succ()8{9 file=$110 content=$211 reason=$312 13 if ! echo "$content" > "$file"14 then15 echo "writing $content to $file failed"16 echo "expected success because $reason"17 exit 118 fi19}20 21ensure_write_fail()22{23 file=$124 content=$225 reason=$326 27 if (echo "$content" > "$file") 2> /dev/null28 then29 echo "writing $content to $file succeed ($fail_reason)"30 echo "expected failure because $reason"31 exit 132 fi33}34 35ensure_dir()36{37 dir=$138 to_ensure=$239 if [ "$to_ensure" = "exist" ] && [ ! -d "$dir" ]40 then41 echo "$dir dir is expected but not found"42 exit 143 elif [ "$to_ensure" = "not_exist" ] && [ -d "$dir" ]44 then45 echo "$dir dir is not expected but found"46 exit 147 fi48}49 50ensure_file()51{52 file=$153 to_ensure=$254 permission=$355 if [ "$to_ensure" = "exist" ]56 then57 if [ ! -f "$file" ]58 then59 echo "$file is expected but not found"60 exit 161 fi62 perm=$(stat -c "%a" "$file")63 if [ ! "$perm" = "$permission" ]64 then65 echo "$file permission: expected $permission but $perm"66 exit 167 fi68 elif [ "$to_ensure" = "not_exist" ] && [ -f "$dir" ]69 then70 echo "$file is not expected but found"71 exit 172 fi73}74 75test_range()76{77 range_dir=$178 ensure_dir "$range_dir" "exist"79 ensure_file "$range_dir/min" "exist" 60080 ensure_file "$range_dir/max" "exist" 60081}82 83test_tried_regions()84{85 tried_regions_dir=$186 ensure_dir "$tried_regions_dir" "exist"87 ensure_file "$tried_regions_dir/total_bytes" "exist" "400"88}89 90test_stats()91{92 stats_dir=$193 ensure_dir "$stats_dir" "exist"94 for f in nr_tried sz_tried nr_applied sz_applied qt_exceeds95 do96 ensure_file "$stats_dir/$f" "exist" "400"97 done98}99 100test_filter()101{102 filter_dir=$1103 ensure_file "$filter_dir/type" "exist" "600"104 ensure_write_succ "$filter_dir/type" "anon" "valid input"105 ensure_write_succ "$filter_dir/type" "memcg" "valid input"106 ensure_write_succ "$filter_dir/type" "addr" "valid input"107 ensure_write_succ "$filter_dir/type" "target" "valid input"108 ensure_write_fail "$filter_dir/type" "foo" "invalid input"109 ensure_file "$filter_dir/matching" "exist" "600"110 ensure_file "$filter_dir/memcg_path" "exist" "600"111 ensure_file "$filter_dir/addr_start" "exist" "600"112 ensure_file "$filter_dir/addr_end" "exist" "600"113 ensure_file "$filter_dir/damon_target_idx" "exist" "600"114}115 116test_filters()117{118 filters_dir=$1119 ensure_dir "$filters_dir" "exist"120 ensure_file "$filters_dir/nr_filters" "exist" "600"121 ensure_write_succ "$filters_dir/nr_filters" "1" "valid input"122 test_filter "$filters_dir/0"123 124 ensure_write_succ "$filters_dir/nr_filters" "2" "valid input"125 test_filter "$filters_dir/0"126 test_filter "$filters_dir/1"127 128 ensure_write_succ "$filters_dir/nr_filters" "0" "valid input"129 ensure_dir "$filters_dir/0" "not_exist"130 ensure_dir "$filters_dir/1" "not_exist"131}132 133test_watermarks()134{135 watermarks_dir=$1136 ensure_dir "$watermarks_dir" "exist"137 ensure_file "$watermarks_dir/metric" "exist" "600"138 ensure_file "$watermarks_dir/interval_us" "exist" "600"139 ensure_file "$watermarks_dir/high" "exist" "600"140 ensure_file "$watermarks_dir/mid" "exist" "600"141 ensure_file "$watermarks_dir/low" "exist" "600"142}143 144test_weights()145{146 weights_dir=$1147 ensure_dir "$weights_dir" "exist"148 ensure_file "$weights_dir/sz_permil" "exist" "600"149 ensure_file "$weights_dir/nr_accesses_permil" "exist" "600"150 ensure_file "$weights_dir/age_permil" "exist" "600"151}152 153test_goal()154{155 goal_dir=$1156 ensure_dir "$goal_dir" "exist"157 ensure_file "$goal_dir/target_value" "exist" "600"158 ensure_file "$goal_dir/current_value" "exist" "600"159}160 161test_goals()162{163 goals_dir=$1164 ensure_dir "$goals_dir" "exist"165 ensure_file "$goals_dir/nr_goals" "exist" "600"166 167 ensure_write_succ "$goals_dir/nr_goals" "1" "valid input"168 test_goal "$goals_dir/0"169 170 ensure_write_succ "$goals_dir/nr_goals" "2" "valid input"171 test_goal "$goals_dir/0"172 test_goal "$goals_dir/1"173 174 ensure_write_succ "$goals_dir/nr_goals" "0" "valid input"175 ensure_dir "$goals_dir/0" "not_exist"176 ensure_dir "$goals_dir/1" "not_exist"177}178 179test_quotas()180{181 quotas_dir=$1182 ensure_dir "$quotas_dir" "exist"183 ensure_file "$quotas_dir/ms" "exist" 600184 ensure_file "$quotas_dir/bytes" "exist" 600185 ensure_file "$quotas_dir/reset_interval_ms" "exist" 600186 test_weights "$quotas_dir/weights"187 test_goals "$quotas_dir/goals"188}189 190test_access_pattern()191{192 access_pattern_dir=$1193 ensure_dir "$access_pattern_dir" "exist"194 test_range "$access_pattern_dir/age"195 test_range "$access_pattern_dir/nr_accesses"196 test_range "$access_pattern_dir/sz"197}198 199test_scheme()200{201 scheme_dir=$1202 ensure_dir "$scheme_dir" "exist"203 ensure_file "$scheme_dir/action" "exist" "600"204 test_access_pattern "$scheme_dir/access_pattern"205 ensure_file "$scheme_dir/apply_interval_us" "exist" "600"206 test_quotas "$scheme_dir/quotas"207 test_watermarks "$scheme_dir/watermarks"208 test_filters "$scheme_dir/filters"209 test_stats "$scheme_dir/stats"210 test_tried_regions "$scheme_dir/tried_regions"211}212 213test_schemes()214{215 schemes_dir=$1216 ensure_dir "$schemes_dir" "exist"217 ensure_file "$schemes_dir/nr_schemes" "exist" 600218 219 ensure_write_succ "$schemes_dir/nr_schemes" "1" "valid input"220 test_scheme "$schemes_dir/0"221 222 ensure_write_succ "$schemes_dir/nr_schemes" "2" "valid input"223 test_scheme "$schemes_dir/0"224 test_scheme "$schemes_dir/1"225 226 ensure_write_succ "$schemes_dir/nr_schemes" "0" "valid input"227 ensure_dir "$schemes_dir/0" "not_exist"228 ensure_dir "$schemes_dir/1" "not_exist"229}230 231test_region()232{233 region_dir=$1234 ensure_dir "$region_dir" "exist"235 ensure_file "$region_dir/start" "exist" 600236 ensure_file "$region_dir/end" "exist" 600237}238 239test_regions()240{241 regions_dir=$1242 ensure_dir "$regions_dir" "exist"243 ensure_file "$regions_dir/nr_regions" "exist" 600244 245 ensure_write_succ "$regions_dir/nr_regions" "1" "valid input"246 test_region "$regions_dir/0"247 248 ensure_write_succ "$regions_dir/nr_regions" "2" "valid input"249 test_region "$regions_dir/0"250 test_region "$regions_dir/1"251 252 ensure_write_succ "$regions_dir/nr_regions" "0" "valid input"253 ensure_dir "$regions_dir/0" "not_exist"254 ensure_dir "$regions_dir/1" "not_exist"255}256 257test_target()258{259 target_dir=$1260 ensure_dir "$target_dir" "exist"261 ensure_file "$target_dir/pid_target" "exist" "600"262 test_regions "$target_dir/regions"263}264 265test_targets()266{267 targets_dir=$1268 ensure_dir "$targets_dir" "exist"269 ensure_file "$targets_dir/nr_targets" "exist" 600270 271 ensure_write_succ "$targets_dir/nr_targets" "1" "valid input"272 test_target "$targets_dir/0"273 274 ensure_write_succ "$targets_dir/nr_targets" "2" "valid input"275 test_target "$targets_dir/0"276 test_target "$targets_dir/1"277 278 ensure_write_succ "$targets_dir/nr_targets" "0" "valid input"279 ensure_dir "$targets_dir/0" "not_exist"280 ensure_dir "$targets_dir/1" "not_exist"281}282 283test_intervals()284{285 intervals_dir=$1286 ensure_dir "$intervals_dir" "exist"287 ensure_file "$intervals_dir/aggr_us" "exist" "600"288 ensure_file "$intervals_dir/sample_us" "exist" "600"289 ensure_file "$intervals_dir/update_us" "exist" "600"290}291 292test_monitoring_attrs()293{294 monitoring_attrs_dir=$1295 ensure_dir "$monitoring_attrs_dir" "exist"296 test_intervals "$monitoring_attrs_dir/intervals"297 test_range "$monitoring_attrs_dir/nr_regions"298}299 300test_context()301{302 context_dir=$1303 ensure_dir "$context_dir" "exist"304 ensure_file "$context_dir/avail_operations" "exit" 400305 ensure_file "$context_dir/operations" "exist" 600306 test_monitoring_attrs "$context_dir/monitoring_attrs"307 test_targets "$context_dir/targets"308 test_schemes "$context_dir/schemes"309}310 311test_contexts()312{313 contexts_dir=$1314 ensure_dir "$contexts_dir" "exist"315 ensure_file "$contexts_dir/nr_contexts" "exist" 600316 317 ensure_write_succ "$contexts_dir/nr_contexts" "1" "valid input"318 test_context "$contexts_dir/0"319 320 ensure_write_fail "$contexts_dir/nr_contexts" "2" "only 0/1 are supported"321 test_context "$contexts_dir/0"322 323 ensure_write_succ "$contexts_dir/nr_contexts" "0" "valid input"324 ensure_dir "$contexts_dir/0" "not_exist"325}326 327test_kdamond()328{329 kdamond_dir=$1330 ensure_dir "$kdamond_dir" "exist"331 ensure_file "$kdamond_dir/state" "exist" "600"332 ensure_file "$kdamond_dir/pid" "exist" 400333 test_contexts "$kdamond_dir/contexts"334}335 336test_kdamonds()337{338 kdamonds_dir=$1339 ensure_dir "$kdamonds_dir" "exist"340 341 ensure_file "$kdamonds_dir/nr_kdamonds" "exist" "600"342 343 ensure_write_succ "$kdamonds_dir/nr_kdamonds" "1" "valid input"344 test_kdamond "$kdamonds_dir/0"345 346 ensure_write_succ "$kdamonds_dir/nr_kdamonds" "2" "valid input"347 test_kdamond "$kdamonds_dir/0"348 test_kdamond "$kdamonds_dir/1"349 350 ensure_write_succ "$kdamonds_dir/nr_kdamonds" "0" "valid input"351 ensure_dir "$kdamonds_dir/0" "not_exist"352 ensure_dir "$kdamonds_dir/1" "not_exist"353}354 355test_damon_sysfs()356{357 damon_sysfs=$1358 if [ ! -d "$damon_sysfs" ]359 then360 echo "$damon_sysfs not found"361 exit $ksft_skip362 fi363 364 test_kdamonds "$damon_sysfs/kdamonds"365}366 367check_dependencies()368{369 if [ $EUID -ne 0 ]370 then371 echo "Run as root"372 exit $ksft_skip373 fi374}375 376check_dependencies377test_damon_sysfs "/sys/kernel/mm/damon/admin"378