1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4# Kselftest frmework requirement - SKIP code is 4. 5ksft_skip=4 6 7ensure_write_succ() 8{ 9 file=$1 10 content=$2 11 reason=$3 12 13 if ! echo "$content" > "$file" 14 then 15 echo "writing $content to $file failed" 16 echo "expected success because $reason" 17 exit 1 18 fi 19} 20 21ensure_write_fail() 22{ 23 file=$1 24 content=$2 25 reason=$3 26 27 if (echo "$content" > "$file") 2> /dev/null 28 then 29 echo "writing $content to $file succeed ($fail_reason)" 30 echo "expected failure because $reason" 31 exit 1 32 fi 33} 34 35ensure_dir() 36{ 37 dir=$1 38 to_ensure=$2 39 if [ "$to_ensure" = "exist" ] && [ ! -d "$dir" ] 40 then 41 echo "$dir dir is expected but not found" 42 exit 1 43 elif [ "$to_ensure" = "not_exist" ] && [ -d "$dir" ] 44 then 45 echo "$dir dir is not expected but found" 46 exit 1 47 fi 48} 49 50ensure_file() 51{ 52 file=$1 53 to_ensure=$2 54 permission=$3 55 if [ "$to_ensure" = "exist" ] 56 then 57 if [ ! -f "$file" ] 58 then 59 echo "$file is expected but not found" 60 exit 1 61 fi 62 perm=$(stat -c "%a" "$file") 63 if [ ! "$perm" = "$permission" ] 64 then 65 echo "$file permission: expected $permission but $perm" 66 exit 1 67 fi 68 elif [ "$to_ensure" = "not_exist" ] && [ -f "$dir" ] 69 then 70 echo "$file is not expected but found" 71 exit 1 72 fi 73} 74 75test_range() 76{ 77 range_dir=$1 78 ensure_dir "$range_dir" "exist" 79 ensure_file "$range_dir/min" "exist" 600 80 ensure_file "$range_dir/max" "exist" 600 81} 82 83test_tried_regions() 84{ 85 tried_regions_dir=$1 86 ensure_dir "$tried_regions_dir" "exist" 87 ensure_file "$tried_regions_dir/total_bytes" "exist" "400" 88} 89 90test_stats() 91{ 92 stats_dir=$1 93 ensure_dir "$stats_dir" "exist" 94 for f in nr_tried sz_tried nr_applied sz_applied qt_exceeds 95 do 96 ensure_file "$stats_dir/$f" "exist" "400" 97 done 98} 99 100test_filter() 101{ 102 filter_dir=$1 103 ensure_file "$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=$1 119 ensure_dir "$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=$1 136 ensure_dir "$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=$1 147 ensure_dir "$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_quotas() 154{ 155 quotas_dir=$1 156 ensure_dir "$quotas_dir" "exist" 157 ensure_file "$quotas_dir/ms" "exist" 600 158 ensure_file "$quotas_dir/bytes" "exist" 600 159 ensure_file "$quotas_dir/reset_interval_ms" "exist" 600 160 test_weights "$quotas_dir/weights" 161} 162 163test_access_pattern() 164{ 165 access_pattern_dir=$1 166 ensure_dir "$access_pattern_dir" "exist" 167 test_range "$access_pattern_dir/age" 168 test_range "$access_pattern_dir/nr_accesses" 169 test_range "$access_pattern_dir/sz" 170} 171 172test_scheme() 173{ 174 scheme_dir=$1 175 ensure_dir "$scheme_dir" "exist" 176 ensure_file "$scheme_dir/action" "exist" "600" 177 test_access_pattern "$scheme_dir/access_pattern" 178 ensure_file "$scheme_dir/apply_interval_us" "exist" "600" 179 test_quotas "$scheme_dir/quotas" 180 test_watermarks "$scheme_dir/watermarks" 181 test_filters "$scheme_dir/filters" 182 test_stats "$scheme_dir/stats" 183 test_tried_regions "$scheme_dir/tried_regions" 184} 185 186test_schemes() 187{ 188 schemes_dir=$1 189 ensure_dir "$schemes_dir" "exist" 190 ensure_file "$schemes_dir/nr_schemes" "exist" 600 191 192 ensure_write_succ "$schemes_dir/nr_schemes" "1" "valid input" 193 test_scheme "$schemes_dir/0" 194 195 ensure_write_succ "$schemes_dir/nr_schemes" "2" "valid input" 196 test_scheme "$schemes_dir/0" 197 test_scheme "$schemes_dir/1" 198 199 ensure_write_succ "$schemes_dir/nr_schemes" "0" "valid input" 200 ensure_dir "$schemes_dir/0" "not_exist" 201 ensure_dir "$schemes_dir/1" "not_exist" 202} 203 204test_region() 205{ 206 region_dir=$1 207 ensure_dir "$region_dir" "exist" 208 ensure_file "$region_dir/start" "exist" 600 209 ensure_file "$region_dir/end" "exist" 600 210} 211 212test_regions() 213{ 214 regions_dir=$1 215 ensure_dir "$regions_dir" "exist" 216 ensure_file "$regions_dir/nr_regions" "exist" 600 217 218 ensure_write_succ "$regions_dir/nr_regions" "1" "valid input" 219 test_region "$regions_dir/0" 220 221 ensure_write_succ "$regions_dir/nr_regions" "2" "valid input" 222 test_region "$regions_dir/0" 223 test_region "$regions_dir/1" 224 225 ensure_write_succ "$regions_dir/nr_regions" "0" "valid input" 226 ensure_dir "$regions_dir/0" "not_exist" 227 ensure_dir "$regions_dir/1" "not_exist" 228} 229 230test_target() 231{ 232 target_dir=$1 233 ensure_dir "$target_dir" "exist" 234 ensure_file "$target_dir/pid_target" "exist" "600" 235 test_regions "$target_dir/regions" 236} 237 238test_targets() 239{ 240 targets_dir=$1 241 ensure_dir "$targets_dir" "exist" 242 ensure_file "$targets_dir/nr_targets" "exist" 600 243 244 ensure_write_succ "$targets_dir/nr_targets" "1" "valid input" 245 test_target "$targets_dir/0" 246 247 ensure_write_succ "$targets_dir/nr_targets" "2" "valid input" 248 test_target "$targets_dir/0" 249 test_target "$targets_dir/1" 250 251 ensure_write_succ "$targets_dir/nr_targets" "0" "valid input" 252 ensure_dir "$targets_dir/0" "not_exist" 253 ensure_dir "$targets_dir/1" "not_exist" 254} 255 256test_intervals() 257{ 258 intervals_dir=$1 259 ensure_dir "$intervals_dir" "exist" 260 ensure_file "$intervals_dir/aggr_us" "exist" "600" 261 ensure_file "$intervals_dir/sample_us" "exist" "600" 262 ensure_file "$intervals_dir/update_us" "exist" "600" 263} 264 265test_monitoring_attrs() 266{ 267 monitoring_attrs_dir=$1 268 ensure_dir "$monitoring_attrs_dir" "exist" 269 test_intervals "$monitoring_attrs_dir/intervals" 270 test_range "$monitoring_attrs_dir/nr_regions" 271} 272 273test_context() 274{ 275 context_dir=$1 276 ensure_dir "$context_dir" "exist" 277 ensure_file "$context_dir/avail_operations" "exit" 400 278 ensure_file "$context_dir/operations" "exist" 600 279 test_monitoring_attrs "$context_dir/monitoring_attrs" 280 test_targets "$context_dir/targets" 281 test_schemes "$context_dir/schemes" 282} 283 284test_contexts() 285{ 286 contexts_dir=$1 287 ensure_dir "$contexts_dir" "exist" 288 ensure_file "$contexts_dir/nr_contexts" "exist" 600 289 290 ensure_write_succ "$contexts_dir/nr_contexts" "1" "valid input" 291 test_context "$contexts_dir/0" 292 293 ensure_write_fail "$contexts_dir/nr_contexts" "2" "only 0/1 are supported" 294 test_context "$contexts_dir/0" 295 296 ensure_write_succ "$contexts_dir/nr_contexts" "0" "valid input" 297 ensure_dir "$contexts_dir/0" "not_exist" 298} 299 300test_kdamond() 301{ 302 kdamond_dir=$1 303 ensure_dir "$kdamond_dir" "exist" 304 ensure_file "$kdamond_dir/state" "exist" "600" 305 ensure_file "$kdamond_dir/pid" "exist" 400 306 test_contexts "$kdamond_dir/contexts" 307} 308 309test_kdamonds() 310{ 311 kdamonds_dir=$1 312 ensure_dir "$kdamonds_dir" "exist" 313 314 ensure_file "$kdamonds_dir/nr_kdamonds" "exist" "600" 315 316 ensure_write_succ "$kdamonds_dir/nr_kdamonds" "1" "valid input" 317 test_kdamond "$kdamonds_dir/0" 318 319 ensure_write_succ "$kdamonds_dir/nr_kdamonds" "2" "valid input" 320 test_kdamond "$kdamonds_dir/0" 321 test_kdamond "$kdamonds_dir/1" 322 323 ensure_write_succ "$kdamonds_dir/nr_kdamonds" "0" "valid input" 324 ensure_dir "$kdamonds_dir/0" "not_exist" 325 ensure_dir "$kdamonds_dir/1" "not_exist" 326} 327 328test_damon_sysfs() 329{ 330 damon_sysfs=$1 331 if [ ! -d "$damon_sysfs" ] 332 then 333 echo "$damon_sysfs not found" 334 exit $ksft_skip 335 fi 336 337 test_kdamonds "$damon_sysfs/kdamonds" 338} 339 340check_dependencies() 341{ 342 if [ $EUID -ne 0 ] 343 then 344 echo "Run as root" 345 exit $ksft_skip 346 fi 347} 348 349check_dependencies 350test_damon_sysfs "/sys/kernel/mm/damon/admin" 351