Strange F5 ASM Sawtooth CPU Graph

At this point it doesn't look like I have a lot of traffic learning suggestions. I see maybe a dozen related to attack signatures, but that's about it. My database is probably pretty big though as these are large sites going through our ASM... so maybe it is some part of the learning system that is having a hard with the large amount of data? Any idea if that might be true, and if so what might be struggling?

 

 

As far as the clean_db.pl script goes, a "find / clean_db.pl" didn't turn that script up on my system, and according to the article, the issue was supposed to be fixed in 10.1.0, so maybe it's something no longer used in my version? I am on 10.2.2 HF3.

 

 

I really appreciate your time, and any further suggestions would be appreciated!