How to moniter SLEPcEigenSolver?

[dokken]

You could try changing the LogLevel, see

How to monitor iteration - NonlinearVariationalSolver

Hi, Consider changing the LogLevel, as set_log_level(LogLevel.TRACE). For other print levels, see: https://fenics-dolfin.readthedocs.io/en/2017.2.0/apis/api_log.html#loglevel