[gentoo-user] process takes about 85% of the CPU

[thelma]

when I run htop I see a process that takes about 85% of the CPU: 
Why is it taking so much CUP?

/usr/bin/X -nolisten tcp -br -deferglyphs 16 vt07 -auth /var/run/slim.auth

Yes, I use slim to login.

-- 
Thelma