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# Domain coverage report
## Introduction
During the PFW's life cycle, criteria states are changed and configurations are
applied.
This report gives the coverage for :
- Criterion: detect easily which criterion state aren't used.
- Configuration: detect configuration that are never applied.
- Configuration rule: part of the rules that are useless and could be removed.
- Total average coverage
Two things are needed to generate a coverage report:
1. The Settings file
2. parameter-framework logs
## How to get the Settings file
Usually, you have this file at hand. But if getting the Settings file is
painful, you may use remote-process to print it:
remote-process <host> <port> getDomainsWithSettingsXML > domains.xml
## How to get PFW logs
You must get the logs from the start of the parameter-framework.
On Android, you should stop the process instantiating the parameter-framework,
clear the logs, start the process and get the logs using logcat. E.g:
$ adb shell stop your_process
$ adb logcat -c
$ adb logcat > coverage.log &
$ adb shell start your_process
... do your testing ...
kill the background logcat started above
## How to generate the report
Then execute :
$ aplog2coverage.sh -d domains.xml -e<some_regex> coverage.log -o coverageReport.html
You may pass several log files.
The regex (-e argument) is used to match relevant log lines: If you have
several PFW instances running, you need to have a way to tell which instance is
logging each line. Besides, if accelerates the parsing by eliminating
irrelevant log lines.
You may pass the optional `-f` argument to ignore some parse errors.
### Limitations
- Having more than one dot (".") in log paths is not supported (see the sort
implementation (sort -rn -k2 -t.) in aplog2coverage.sh).
- A PFW start log line must be at the head of the oldest log: no
applyconfiguration or set criterion log should be found before the PFW start.
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