Time Profiler is a sampling profiler, this one is instrumenting. They're both useful at different times - we find this one useful for * Thread activity graphs

Time Profiler is a sampling profiler, this one is instrumenting. They're both useful at different times - we find this one useful for * Thread activity graphs with drill-in * Seeing accurate counts of calls * More precise per-call timings of messages * Measurement of messages with highly variable performance