Seam-Perf4j is an add-on package for Seam Framework providing convenient integration with Perf4j - performance monitoring library for Java applications. In most cases it's enough to add annotation to profiled method.
In just released version 0.5.0 support for logging levels was added as well as additional mock tests. This is also the first version which is available in Maven Central Repository (no more necessity to download JAR manually!).