Ok guys.Thanks for those responses.

Hello,I read that there was a Case open for that problem :  CSCtl74475  CPU usage statistics are not relevant. But this should be resolved, since the 7.1(5)E4 : http://www.cisco.com/web/software/282549759/94912/IPS-7-1-6-E4.readme.txtIs there someth...

Hello,Here is what i've got with a show inspection load history : 100 +    |80 +    |60 +    |40 +    |20 +    |    +---------+---------+---------+---------+---------+----------              10        20        30        40        50      Inspection ...