If you have never heard of lab128, it’s worth checking out: http://fwww.lab128.com/lab128_screens.html lab128 is one of the few tools on the market to harness ASH data. The tool spectrum as I see it is OEM 10g/11g – $10,000 up to millions of dollars !  ($5000 per CPU AFAIK ) , slow, big install but has [...]

It’s been years since I’ve changed any ASHMON code though I have used ASHMON whenever I didn’t have access to DB Optimizer or when I wanted to specifically access v$active_session_history graphically. Yesterday, though, I just got a new laptop that is 64bit and I couldn’t get ASHMON to run! So after only sleeping 4 hours [...]