This is nohang config file. Lines starting with $ contain obligatory parameters. Lines starting with @ contain optional parameters. Other lines are comments. 1. Ignore PSI and zram. $IGNORE_PSI = TRUE $IGNORE_ZRAM = TRUE 2. Poll rate $POLL_RATE = 60 $MIN_SLEEP = 0.1 $MAX_SLEEP = 2 3. GUI notifications $GUI_CORRECTIVE_ACTIONS = FALSE $GUI_LOW_MEMORY_WARNINGS = FALSE $GUI_WARNINGS_MIN_MEM = 20 % $GUI_WARNINGS_MIN_SWAP = 20 % $GUI_WARNINGS_MAX_ZRAM = 45 % $GUI_MIN_DELAY_AFTER_WARNING = 15 @EXE_INSTEAD_OF_GUI_WARNING wall -n "LOW MEMORY!" @EXE_INSTEAD_OF_GUI_WARNING echo 'test' @EXE_INSTEAD_OF_GUI_WARNING echo 'test2' 4. SIGTERM-related parameters $SIGTERM_MIN_MEM = 10 % $SIGTERM_MIN_SWAP = 10 % $SIGTERM_MAX_ZRAM = 50 % $DELAY_AFTER_SIGTERM = 0.2 $SIGTERM_MAX_PSI_SOME_AVG10_THRESHOLD = 60 $SIGTERM_MAX_PSI_SOME_AVG10_DURATION = 5 $DELAY_AFTER_SIGTERM_PSI_SOME_AVG10 = 40 The execution of specified command instead of sending a SIGTERM signal. Syntax example: /// @EXE_INSTEAD_OF_SIGTERM_RE_PROCESSNAME ^foo$ /// kill -9 $PID && echo "Praise KEK, kill $NAME" & @EXE_INSTEAD_OF_SIGTERM_RE_CMDLINE ^/sbin/foo /// systemctl restart foo @EXE_INSTEAD_OF_SIGTERM_RE_UID ^1000$ /// pkill -SEGV $NAME @EXE_INSTEAD_OF_SIGTERM_RE_UID ^1001$ /// pkill -HUP $NAME 5. SIGKILL-related parameters $SIGKILL_MIN_MEM = 5 % $SIGKILL_MIN_SWAP = 5 % $SIGKILL_MAX_ZRAM = 55 % $DELAY_AFTER_SIGKILL = 1 $SIGKILL_MAX_PSI_SOME_AVG10_THRESHOLD = 90 $SIGKILL_MAX_PSI_SOME_AVG10_DURATION = 5 $DELAY_AFTER_SIGKILL_PSI_SOME_AVG10 = 60 6. Adjusting badness of processes $OOM_SCORE_ADJ_LIMIT = -1 Badness adjusting by matching process name, cmdline and eUID with specified regular expression. Example badness adj rules /// @BADNESS_ADJ_RE_CMDLINE -childID|--type=renderer /// 200 @BADNESS_ADJ_RE_NAME ^Xorg$ /// -100 @BADNESS_ADJ_RE_UID ^0$ /// -50 7. Avoid killing small processes (innocent victims) $MIN_VICTIM_BADNESS = 20 8. Verbosity $PRINT_CONFIG_AT_STARTUP = FALSE $PRINT_TOTAL_STAT = TRUE $PRINT_MEM_CHECK_RESULTS = FALSE $MIN_DELAY_AFTER_PRINT_MEM_CHECK_RESULTS = 60 $PRINT_SLEEP_PERIODS = FALSE