| # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| description "Tear down swap (zram) experiment (field trial)" |
| author "chromium-os-dev@chromium.org" |
| |
| # Run before Chrome, so Chrome can start the experiment in this boot cycle. |
| # Note that we do almost nothing after the first run. |
| start on starting ui |
| |
| pre-start script |
| # SWAP_ENABLE_FILE indicates that swap is to be used and contains the swap |
| # size. If the file was created by the experiment, rather than manually via |
| # crosh, then SWAP_FIELD_TRIAL_FORCED also exists, to restore the original |
| # condition when we stop the experiment. SWAP_FIELD_TRIAL_ENROLLED is |
| # created when the experiment has been set up. |
| SWAP_ENABLE_FILE=/home/chronos/.swap_enabled |
| SWAP_FIELD_TRIAL_ENROLLED=/home/chronos/.swap_exp_enrolled |
| SWAP_FIELD_TRIAL_FORCED=/home/chronos/.swap_exp_forced |
| |
| # If not enrolled into trial (or already unenrolled), nothing to do. |
| if [ ! -f $SWAP_FIELD_TRIAL_ENROLLED ]; then |
| exit 0 |
| fi |
| |
| # If forced into trial, clean up. |
| if [ -f $SWAP_FIELD_TRIAL_FORCED ]; then |
| rm -f $SWAP_ENABLE_FILE |
| rm -f $SWAP_FIELD_TRIAL_FORCED |
| fi |
| |
| rm -f $SWAP_FIELD_TRIAL_ENROLLED |
| |
| end script |
