CPU Utilisation High Issue on Mikrotik x86 Board

hi,

From last week, i am facing high CPU Utilisation issue.

We are an ISP and my Mikrotik Core Router Normal Traffic is 10 Gbps. But from last week suddenly my CPU showing 80-90% utilisation on same traffic. and sometime its showing proper.

I am having 40 Core Intel Xeon proccessor System. also attached herewith Winbox Snapshot.

Please let me know if anyone having idea to resolve this issue.