Use "top" and hit "P", you'll sort things by CPU usage.
What's in the top of the list now?

If it would be a DDOS your host would surely contact you so that probably won't be it.
AndroidApps Reviewed by AndroidApps on . vps problem high cpu maxed only today it maxing out cpu but when i use putty and type top it just showing http apache but it dont show that it using up that much cpu anyone know what could be causing it or anychance it be a ddos attack Rating: 5