zx@zxpc:~$ pio --version
PlatformIO, version 4.3.1
zx@zxpc:~$ pio device monitor --filter esp8266_exception_decoder
--- Available filters and text transformations: colorize, debug, default, direct, hexlify, log2file, nocontrol, printable, send_on_enter, time
--- More details at http://bit.ly/pio-monitor-filters
Error: 'esp8266_exception_decoder'
zx@zxpc:~$