Currently, this can be achieved by writing the ClickHouse queries, but we are soon adding support for traces/logs in the query builder. For some examples of ClickHouse queries for charts, take a look at https://signoz.io/docs/tutorial/writing-clickhouse-queries-in-dashboard/. Let us know if you need any help.
SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot problems, an open-source alternative to DataDog, NewRelic, etc.