jitsi_mod/logging_config.js

// Logging configuration
var loggingConfig = { // eslint-disable-line no-unused-vars
    //default log level for the app and lib-jitsi-meet
    defaultLogLevel: 'trace',
    // Option to disable LogCollector (which stores the logs on CallStats)
    //disableLogCollector: true,
    // Logging level adjustments for verbose modules:
    'modules/xmpp/strophe.util.js': 'log',
    'modules/statistics/CallStats.js': 'info'
};