Latency increased after CA the DL scheduling

Dear Experts,
After we implemented CA the DL scheduling latency increased.
Is that normal behaviour?
Vendor is Huawei.

Dear

You are checking latency through eNB counters?
Does that occur for all CÁ combs?
What did vendor say about that?

Yes dear,
I checked from endB side,
It happened on all CC
Vendor is Huawei