If you can change the length of time it holds the peak for with a marker it's easy enough to spot the overactive peaks.
I'll give this a go. Which spectrum analyser are you using?

From my limited experience I suspect that the peaks aren't all that you're interested in, though; freq masking appears to happen in the release of say a bass and kick combination from what I've seen/heard in adobe (although that's the kind of thing that's relatively easy to listen for).