doc/man/common-ppp-env.txt

   1 Python plugin provider
   2 ~~~~~~~~~~~~~~~~~~~~~~
   3 `BABELTRACE_PYTHON_PLUGIN_PROVIDER_LOG_LEVEL`::
   4     Python plugin provider's log level. The available values are the
   5     same as for the manopt:babeltrace(1):--log-level option of
   6     man:babeltrace(1).