tools/testing/selftests/damon/debugfs_empty_targets.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 source _debugfs_common.sh
   5
   6 # Test empty targets case
   7 # =======================
   8
   9 orig_target_ids=$(cat "$DBGFS/target_ids")
  10 echo "" > "$DBGFS/target_ids"
  11
  12 if [ -f "$DBGFS/monitor_on_DEPRECATED" ]
  13 then
  14         monitor_on_file="$DBGFS/monitor_on_DEPRECATED"
  15 else
  16         monitor_on_file="$DBGFS/monitor_on"
  17 fi
  18
  19 orig_monitor_on=$(cat "$monitor_on_file")
  20 test_write_fail "$monitor_on_file" "on" "orig_monitor_on" "empty target ids"
  21 echo "$orig_target_ids" > "$DBGFS/target_ids"