glances is like top/htop but little different. It shows you sort based on contention (smartly and automatically) unless you change that and hence if you just want to check what is biggest bottleneck in system, then head over to glances quickly. Here is quick description from dnf info command
Name : glances
Version : 2.11.1
Release : 2.fc28
Arch : noarch
Size : 3.2 M
Source : glances-2.11.1-2.fc28.src.rpm
Repo : @System
From repo : fedora
Summary : CLI curses based monitoring tool
URL : https://github.com/nicolargo/glances
License : GPLv3
Description : Glances is a CLI curses based monitoring tool for both GNU/Linux and BSD.
: Glances uses the PsUtil library to get information from your system.
: It is developed in Python.