gotop

README

Another terminal based graphical activity monitor, inspired by gtop and vtop, this time written in Go!

The original author of gotop has re-implemented the application in Rust, as ytop. This is a fork of original gotop project with a new maintainer.

Installation

Working and tested on Linux, FreeBSD and MacOS. Windows binaries are provided, but have limited testing. OpenBSD works with some caveats; cross-compiling is difficult and binaries are not provided.

If you install gotop by hand, or you download or create new layouts or colorschemes, you will need to put the layout files where gotop can find them. This is in one of two places, searched in this order:

1. The current working directory
2. ${XDG_CONFIG_HOME}/gotop

Arch

AUR contains entries for gotop and gotop-bin. gotop-git still points at the old, unmaintained, repository for the moment.

yay -S gotop-bin

There is also a build-from-source package:

yay -S gotop

OSX

gotop can be installed with Homebrew; you'll need to tap the recipe. If you'd previously tapped cjbassi's recipe, you'll want to untap that first. The old version of gotop is also included in Homebrew's core library, and that will always be chosen before any taps, so you have to specify the tap specifically.

brew uninstall gotop        # If previously installed
brew untap cjbassi/gotop    # If previously tapped
brew tap xxxserxxx/gotop
brew install xxxserxxx/gotop

Prebuilt binaries

This doesn't require Go, is easy, and works across distributions. You have to manually upgrade the executable yourself, though, so using your distribution's package (if one is available) is a better approach.

Visit the releases page with your web browser and download the appropriate file for your OS and architecture. Unzip it (the archive contains a single file) and then move the resulting gotop binary into your $PATH somewhere. If you're on a Debian or Redhat derivative, you can download an .rpm or .deb and install that.

Source

This requires Go, and at the moment, Go 1.14 specifically.

go get -u github.com/xxxserxxx/gotop/cmd/gotop

If you don't have Go 1.14, you will want to follow the Building instructions in the next section.

Building

This is the download & compile approach.

gotop should build with most versions of Go. If you have a version other than 1.14 installed, remove the go line at the end of go.mod.

git clone https://github.com/xxxserxxx/gotop.git
cd gotop
sed -i '/^go/d' go.mod          # Do this if you have go != 1.14
go build -o gotop ./cmd/gotop

Move gotop to somewhere in your $PATH.

Usage

Keybinds

• Quit: q or <C-c>
• Process navigation:
  • k and <Up>: up
  • j and <Down>: down
  • <C-u>: half page up
  • <C-d>: half page down
  • <C-b>: full page up
  • <C-f>: full page down
  • gg and <Home>: jump to top
  • G and <End>: jump to bottom
• Process actions:
  • <Tab>: toggle process grouping
  • dd: kill selected process or group of processes with SIGTERM
  • d3: kill selected process or group of processes with SIGQUIT
  • d9: kill selected process or group of processes with SIGKILL
• Process sorting
  • c: CPU
  • m: Mem
  • p: PID
• Process filtering:
  • /: start editing filter
  • (while editing):
    • <Enter> accept filter
    • <C-c> and <Escape>: clear filter
• CPU and Mem graph scaling:
  • h: scale in
  • l: scale out
• ?: toggles keybind help menu

Mouse

• click to select process
• mouse wheel to scroll through processes

Colorschemes

gotop ships with a few colorschemes which can be set with the -c flag followed by the name of one. You can find all the colorschemes in the colorschemes folder.

To make a custom colorscheme, check out the template for instructions and then use default.json as a starter. Then put the file at ~/.config/gotop/<name>.json and load it with gotop -c <name>. Colorschemes PR's are welcome!

Layouts

gotop can parse and render layouts from a specification file. The format is intentionally simple. The amount of nesting levels is limited. Some examples are in the layouts directory; you can try each of these with, e.g., gotop --layout-file layouts/procs. If you stick your layouts in $XDG_CONFIG_HOME/gotop, you can reference them on the command line with the -l argument, e.g. gotop -l procs.

The syntax for each widget in a row is:

(rowspan:)?widget(/weight)?

and these are separated by spaces.

1. Each line is a row
2. Empty lines are skipped
3. Spaces are compressed (so you can do limited visual formatting)
4. Legal widget names are: cpu, disk, mem, temp, batt, net, procs
5. Widget names are not case sensitive
6. The simplest row is a single widget, by name, e.g.

   cpu
   

7. Weights
   1. Widgets with no weights have a weight of 1.
   2. If multiple widgets are put on a row with no weights, they will all have the same width.
   3. Weights are integers
   4. A widget will have a width proportional to its weight divided by the total weight count of the row. E.g.,

      cpu      net
      disk/2   mem/4
      

      The first row will have two widgets: the CPU and network widgets; each will be 50% of the total width wide. The second row will have two widgets: disk and memory; the first will be 2/6 ~= 33% wide, and the second will be 5/7 ~= 67% wide (or, memory will be twice as wide as disk).
8. If prefixed by a number and colon, the widget will span that number of rows downward. E.g.

   mem   2:cpu
   net
   

   Here, memory and network will be in the same row as CPU, one over the other, and each half as high as CPU; it'll look like this:

    +------+------+
    | Mem  |      |
    +------+ CPU  |
    | Net  |      |
    +------+------+
   

9. Negative, 0, or non-integer weights will be recorded as "1". Same for row spans.
10. Unrecognized widget names will cause the application to abort.
11. In rows with multi-row spanning widgets and weights, weights in lower rows are ignored. Put the weight on the widgets in that row, not in later (spanned) rows.
12. Widgets are filled in top down, left-to-right order.
13. The larges row span in a row defines the top-level row span; all smaller row spans constitude sub-rows in the row. For example, cpu mem/3 net/5 means that net/5 will be 5 rows tall overall, and mem will compose 3 of them. If following rows do not have enough widgets to fill the gaps, spacers will be used.

Yes, you're clever enough to break the layout algorithm, but if you try to build massive edifices, you're in for disappointment.

CLI Options

-c, --color=NAME Set a colorscheme.
-m, --minimal Only show CPU, Mem and Process widgets. (DEPRECATED, use -l minimal)
-r, --rate=RATE Number of times per second to update CPU and Mem widgets [default: 1].
-V, --version Print version and exit.
-p, --percpu Show each CPU in the CPU widget.
-a, --averagecpu Show average CPU in the CPU widget.
-f, --fahrenheit Show temperatures in fahrenheit.
-s, --statusbar Show a statusbar with the time.
-b, --battery Show battery level widget (minimal turns off). (DEPRECATED, use -l battery)
-i, --interface=NAME Select network interface [default: all].
-l, --layout=NAME Choose a layout. gotop searches for a file by NAME in $XDG_CONFIG_HOME/gotop, then relative to the current path. "-" reads a layout from stdin, allowing for simple, one-off layouts such as echo net | gotop -l -

Several interfaces can be defined using comma separated values.

Interfaces can also be ignored using !

More screen shots

"-l battery"

"-l minimal"

Custom (layouts/procs)

Built With

• gizak/termui
• nsf/termbox
• exrook/drawille-go
• shirou/gopsutil
• goreleaser/nfpm
• distatus/battery

Stargazers over time

Documentation

Index

• func Parse(in io.Reader, conf *Config) error
• type Config

Functions

func Parse

func Parse(in io.Reader, conf *Config) error

Types

type Config

type Config struct {
	ConfigDir string
	LogDir    string
	LogFile   string

	GraphHorizontalScale int
	HelpVisible          bool
	Colorscheme          colorschemes.Colorscheme

	UpdateInterval time.Duration
	AverageLoad    bool
	PercpuLoad     bool
	Statusbar      bool
	TempScale      widgets.TempScale
	NetInterface   string
	Layout         string
	MaxLogSize     int64
	ExportPort     string
	Extensions     []string

	Test bool
}

TODO: test, build, release [#119] [#120] [#121]