How to find what plugin causes EP limit error in WordPress

Coz they include some fixing methods also including it when installation get out of control so resources may quite a bit large!

Without that how the limit can be calculated!
I’m not asking the full secret information its better to mention along with suspension mail atleast!
I’m just telling this coz of education purpose only! Not compulsory for ans!

Yes.I’m using cloudflare…! (FYI.My site under construction only and not published anyother place so its not under Ddos to exhaust the limit)
Already my site having basic need plugins only!