Field Data

Ledger uses Cobalt to record field data.

In order to add more events:

• edit Ledger code under /bin/ledger/cobalt
• register the new events, see documentation for Cobalt client

In order to view the recorded data, run:

cd garnet/bin/cobalt
./download_report_client.py
./report_client -project_id=100

Then, follow report_client hints to extract the data. For example, run the following to extract Ledger event counters from the last 5 days:

Command or 'help': run range -4 0 2