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bottom/README.md
Clement Tsang 132a5a2170
Fix dialog box height and scroll label (#71) 
* Fixes search with small mode by changing the prompt based on size.

* Minor fixes for search

- Remove ignore unused var lint
- Add a bit more spacing to deal with large unicode
- Add on-right movement on type

* Add contributor's list and bug/req section

* Check for div by zero

* Fix for dd in terms of sizing.

* Added (temporary) fix for help box.  Scrolling is the ideal solution but will leave that for another time.
2020-03-05 23:54:39 -05:00

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# bottom
[![Build Status](https://travis-ci.com/ClementTsang/bottom.svg?token=1wvzVgp94E1TZyPNs8JF&branch=master)](https://travis-ci.com/ClementTsang/bottom)
[![crates.io link](https://img.shields.io/crates/v/bottom.svg)](https://crates.io/crates/bottom)
[![tokei](https://tokei.rs/b1/github/ClementTsang/bottom?category=code)](https://github.com/ClementTsang/bottom)
A cross-platform graphical process/system monitor with a customizable interface and a multitude of features. Supports Linux, macOS, and Windows. Inspired by both [gtop](https://github.com/aksakalli/gtop) and [gotop](https://github.com/cjbassi/gotop).
![Quick demo recording showing off searching, maximizing, and process killing.](assets/summary_and_search.gif) _Terminal: Kitty Terminal, Font: IBM Plex Mono, OS: Arch Linux. Theme based on [gruvbox](https://github.com/morhetz/gruvbox) (see [sample config](./sample_configs/demo_config.toml))._
## Features
Features of bottom include:
- CPU widget to show a visual representation of per-core (and optionally average) usage.
- Memory widget to show a visual representation of both RAM and SWAP usage.
- Networks widget to show a log-based visual representation of network usage.
- Sortable and searchable process widget. Searching supports regex, and you can search by PID and process name.
- Disks widget to display usage and I/O per second.
- Temperature widget to monitor detected sensors in your system.
- Flags to customize the display.
- Config file support for custom colours and default options.
- Maximizing of widgets of interest to take up the entire window.
- Basic mode
More details about each widget and compatibility can be found [here](./docs/widgets.md).
## Config files
For information about config files, see [this document](./docs/config.md) for more details, and this [config](./sample_configs/demo_config.toml) for an example.
## Installation
In all cases you can install the in-development version by cloning from this repo and using `cargo build --release`. This is built and tested with Rust Stable (1.41 as of writing).
In addition to the below methods, you can manually build from the [Releases](https://github.com/ClementTsang/bottom/releases) page by downloading and building.
I officially support and test 64-bit versions of [Tier 1](https://forge.rust-lang.org/release/platform-support.html) Rust targets. I will try to build and release 32-bit versions for Linux and Windows, but as of now, I will not be testing 32-bit for validity beyond building.
### Cargo
```bash
cargo install bottom
```
### Linux
Installation methods on a per-distro basis:
#### Arch Linux
You can get the release versions from the AUR by installing [`bottom`](https://aur.archlinux.org/packages/bottom/) or [`bottom-bin`](https://aur.archlinux.org/packages/bottom-bin/). For example, using `yay`:
```bash
yay bottom
#Or
yay bottom-bin
```
#### Debian (and anything based on it, like Ubuntu)
A `.deb` file is provided on each [release](https://github.com/ClementTsang/bottom/releases/latest):
```bash
curl -LO https://github.com/ClementTsang/bottom/releases/download/0.2.2/bottom_0.2.2_amd64.deb
sudo dpkg -i bottom_0.2.2_amd64.deb
```
### Windows
You can get release versions via [Chocolatey](https://chocolatey.org/packages/bottom/) (note it may take a while to be available due to moderation/review):
```bash
choco install bottom --version=0.2.1
```
### macOS
You can get release versions using Homebrew:
```bash
brew tap clementtsang/bottom
brew install bottom
# Or
brew install clementtsang/bottom/bottom
```
## Usage
Run using `btm`.
### Command line options
- `-h`, `--help` shows the help screen and exits.
- `-a`, `--avg_cpu` enables also showing the average CPU usage in addition to per-core CPU usage.
- `-m`, `--dot-marker` uses a dot marker instead of the default braille marker.
- Temperature units (you can only use one at a time):
- `-c`, `--celsius` displays the temperature type in Celsius. This is the default.
- `-f`, `--fahrenheit` displays the temperature type in Fahrenheit.
- `-k`, `--kelvin` displays the temperature type in Kelvin.
- `-v`, `--version` displays the version number and exits.
- `-r <RATE>`, `--rate <RATE>` will set the refresh rate in _milliseconds_. Lowest it can go is 250ms, the highest it can go is 2<sup>128</sup> - 1. Defaults to 1000ms, and lower values may take more resources due to more frequent polling of data, and may be less accurate in some circumstances.
- `-l`, `--left_legend` will move external table legends to the left side rather than the right side. Right side is default.
- `-u`, `--current_usage` will make a process' CPU usage be based on the current total CPU usage, rather than assuming 100% CPU usage.
- `-g`, `--group` will group together processes with the same name by default (equivalent to pressing `Tab`).
- `-S`, `--case_sensitive` will default to matching case.
- `-W`, `--whole` will default to searching for the world word.
- `-R`, `--regex` will default to using regex.
- `--cpu_default`, `--memory_default`, `--disk_default`, `--temperature_default`, `--network_default`, `--process_default` will select the corresponding widget on startup. By default the process widget is selected.
- `-s`, `--show_disabled_data` will show data entries in the graph legends even if the lines for that entry are disabled.
- `-C`, `--config` takes in a file path leading to a TOML file. If the file doesn't exist, one will be created.
- `-b`, `--basic` will enable basic mode, removing all graphs from the main interface and condensing data.
### Keybindings
#### General
- `q`, `Ctrl-c` to quit. Note if you are currently in the search widget, `q` will not work so you can still type.
- `Esc` to close a dialog window, widget, or exit maximized mode.
- `Ctrl-r` to reset the screen and reset all collected data.
- `f` to freeze the screen from updating with new data. Press `f` again to unfreeze. Note that monitoring will still continue in the background.
- `Ctrl/Shift`-arrow or `H/J/K/L` to navigate between widgets. **Note that on macOS, some keybindings may collide with existing ones; `H/J/K/L` should work however.**
- `Up` or `k` and `Down` or `j` scrolls through the list if the widget is a table (Temperature, Disks, Processes).
- `?` to get a help screen explaining the controls. Note all controls except `Esc` to close the dialog will be disabled while this is open.
- `gg` or `Home` to jump to the first entry of the current table.
- `G` (`Shift-g`) or `End` to jump to the last entry of the current table.
- `Enter` on a widget to maximize the widget.
#### CPU
- `/` to allow for enabling/disabling showing certain cores with `Space`.
#### Processes
- `dd` to kill the selected process
- `c` to sort by CPU usage. Sorts in descending order by default. Press again to reverse sorting order.
- `m` to sort by memory usage. Sorts in descending order by default. Press again to reverse sorting order.
- `p` to sort by PID. Sorts in ascending order by default. Press again to reverse sorting order.
- `n` to sort by process name. Sorts in ascending order by default. Press again to reverse sorting order.
- `Tab` to group together processes with the same name. Disables PID sorting. `dd` will now kill all processes covered by that name.
- `Ctrl-f` or `/` to open the search widget.
#### Search widget
- `Tab` to switch between searching for PID and name respectively.
- `Esc` to close.
- `Ctrl-a` and `Ctrl-e` to jump to the start and end of the search bar respectively.
- `Ctrl-u` to clear the current search query.
- `Backspace` to delete one character behind the current cursor position.
- `Delete` to delete one character at the current cursor position.
- `Left` and `Right` arrow keys to move the cursor within the search bar.
- `Alt-c/F1` to toggle ignoring case.
- `Alt-w/F2` to toggle matching the entire word.
- `Alt-r/F3` to toggle using regex.
Note that `q` is disabled while in the search widget.
### Mouse actions
- Scrolling with the mouse will scroll through the currently selected list if the widget is a scrollable table.
## Bugs and Requests
Spot an bug? Have an idea? Leave an issue that explains what you want in detail and I'll try to take a look.
## Contribution
Contribution is welcome! Just submit a PR. Note that I develop and test on stable Rust.
If you spot any issue with nobody assigned to it, or it seems like no work has started on it, feel free to try and do it!
### Contributors
Thanks to those who have contributed:
- [shilangyu](https://github.com/shilangyu)
## Thanks, kudos, and all the like
- This project is very much inspired by both [gotop](https://github.com/cjbassi/gotop) and [gtop](https://github.com/aksakalli/gtop).
- This application was written with the following libraries, and would otherwise not be possible:
- [backtrace](https://github.com/rust-lang/backtrace-rs)
- [chrono](https://github.com/chronotope/chrono)
- [clap](https://github.com/clap-rs/clap)
- [crossterm](https://github.com/TimonPost/crossterm)
- [dirs](https://github.com/soc/dirs-rs)
- [fern](https://github.com/daboross/fern)
- [futures-rs](https://github.com/rust-lang-nursery/futures-rs)
- [futures-timer](https://github.com/rustasync/futures-timer)
- [heim](https://github.com/heim-rs/heim)
- [lazy_static](https://github.com/rust-lang-nursery/lazy-static.rs)
- [log](https://github.com/rust-lang-nursery/log)
- [sysinfo](https://github.com/GuillaumeGomez/sysinfo)
- [tokio](https://github.com/tokio-rs/tokio)
- [toml-rs](https://github.com/alexcrichton/toml-rs)
- [tui-rs](https://github.com/fdehau/tui-rs)
- [unicode-segmentation](https://github.com/unicode-rs/unicode-segmentation)
- [unicode-width](https://github.com/unicode-rs/unicode-width)
- [winapi](https://github.com/retep998/winapi-rs)
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