Sentry x Api-platform x Performance Monitoring

Hi,

I’m trying to add performance monitoring to my api application (made with api-platform, using symfony framework) so I installed sentry-symfony 4.2
Symfony version : 5.3.7

Error reporting works great but I have nothing on my Performance tab.

Here is my config file : (config/sentry.yaml)

sentry:
    dsn: '%env(SENTRY_DSN)%'
    tracing:
        enabled: true
        dbal: # DB queries
            enabled: true
        cache:
            enabled: true

Am I missing anything else ?