release_note

This file records important changes that made in each release.  Those are
picked by human sense, so could be incomplete and missing many things.

v2.0.6
- Optimize 'damo status --damos_stat' to update only needed metrics
- Implement an alternative of '--damos_stat', namely '--damos_stats'
- Remove '--damos_stat' option

v2.0.5
- Code cleanup
- damo show: Use DAMOS address filter if possible

v2.0.4
- Save/load kernel feature supports to/from $HOME/.damo.damon_feature_supports
- Cleanup feature supports handling

v2.0.3
- Let 'damo status --damos_stat' to work with debugfs interface
- Schemes test code cleanup
- Misc code cleanup

v2.0.2
- Remove DAMON results record binary file format handling code
- Schemes test code cleanup

v2.0.1
- Deprecate DAMON results record binary file format
- 'damo status': Support scheme statistic only output

v2.0.0
- Trivial fixes and cleanups

v1.9.9
- Update documents for online usage commands (start/tune/stop/show/status)

v1.9.8
- Support DAMOS apply interval (feature on damon/next only as of this release)
- Update documents

v1.9.7
- Reverse unnecessary support of DAMON's moving access rate
- Support DAMOS apply intrvals (feature on damon/next only as of this release)
- Support DAMOS recording (feature on damon/next only as of this release)

v1.9.6
- Remove '<age access_rate size> region format keyword
  - Should use only '<box>'
- Add '<region box description>' snapshot keyword
- Add '--region_box' option for shortcut of box-based representation
- Allow per-key reverse sorting of regions
- Minimul support of DAMON's moving access rate

v1.9.5
- Code cleanup

v1.9.4
- DAMON command line options: Support multiple DAMOS schemes
- damo show: Support log/linear scale of region box

v1.9.3
- Restore --ascii_color and --plot_ascii of 'damo report heat'
- damo show: Support coloring of region box
- damo show: Implement '<age heat bar>'
- damo show: Make region box to use logscale for columns and rows
- damo show: Support more region box customizations

v1.9.2
- Support DAMOS filters, quotas, and watermarks via command line
- Support target idx DAMOS filter
- Implement '<size heat bar>' and '<size heat age bar>' region format keyword
  for 'damo show' (likely be changed in future)

v1.9.1
- Remove 'damo stat'
- 'damo show' update
  - Support address range based filtering
  - Add snapshot format keyword for number of regions
  - Implement '<size bar>' region format keyword (subject to change in future)

v1.9.0
- Mark 'damo stat' as deprecated
- Use '--force' for 'perf script'
- Internal code cleanup

v1.8.9
- Support flexible formatting of 'damo show' output
- Implement access pattern based 'damo show' output sorting
- Support --tried_regions_of option of 'damo show'
- Cleanup _damon_resul.py

v1.8.8
- Support under-development schemes tried regions total bytes file
- Fix empty snapshot for vaddr ops issue
- Polish 'damo show' output format
- Support 'update_schemes_tried_bytes' DAMON sysfs command

v1.8.7
- Stop supporting non-mainlined DAMOS kernel implementations
- Rename 'damo show status' into 'damo status'
- Re-implement 'damo show': Support snapshot and record files, but still not
  stabilized

v1.8.6
- Cleanup code

v1.8.5
- Add a not yet stabilized version of 'damo show'

v1.8.4
- Remove Python2 support
- Cleanup code

v1.8.3
- Remove '--rbuf' and kernel-direct record file generation support code
- More documentation of deprecated features
- Implement '--include_childs' option for 'damo record'
- Move single line DAMOS schemes input handling to a new module,
  _damo_deprecated

v1.8.2
- Support zlib-compressed json format monitoring record file
- Use zlib-compressed json format monitoring record file format by default