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vim-profiler

★ 41 Open GitHub ↗

A vim plugin profiler and data plotter

// repository documentation

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## vim-profiler 🕒

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`vim-profiler` is a wrapper around the `(n)vim --startuptime` command, written in Rust. The binary is called
`vp` and has only been tested on a Unix based system.

## Demo

Here is a quick demo showcasing the main functionality of the program.

[![asciicast](https://asciinema.org/a/ec3DhuwvAAoXCTs7pLdBG8JI6.svg)](https://asciinema.org/a/ec3DhuwvAAoXCTs7pLdBG8JI6)

## Installation

You can install `vim-profiler` with the rust package manager Cargo:
```bash
$ cargo install vim-profiler
```

## Usage

```
vim-profiler 0.0.4
A vim profiling tool.

USAGE:
    vp [FLAGS] [OPTIONS]

FLAGS:
    -h, --help       Prints help information
    -r, --reverse    Display the plugin times in reverse order (fastest first)
    -s, --sys        Show system plugins in the output
    -V, --version    Prints version information
    -v, --verbose    Add informative messages during program execution

OPTIONS:
    -c, --command   <command>      The command to run, e.g vim or neovim [default: vim]
    -n, --count     <count>        The number of plugins to list in the output
    -e, --export    <path>         Export the results to a CSV file
    -f, --file      <file>         A file to open
    -i, --iter      <iter>         The number of iterations
    -p, --plot      <path>         Plot the data and save it to a SVG file
    -x, --precision <precision>    Precision in the output
```

## Exporting results

This utility allows for exporting results to either in a `.svg` file in the form
of a plot or in a `.csv` file, where extra statistics are written.

### Plot

The plot visualizes the start times of each plugin in your plugin directory. If
you invoke `vp` with the `--plot` option, you will receive a plot in the form of
an SVG file in the specified path that looks something like:

![](https://raw.githubusercontent.com/terror/vim-profiler/master/plugins.svg)

### CSV

The CSV file contains various other useful statistics such as:
- The average start time across all iterations
- The median start time across all iterations
- The standard deviation from the mean

If you invoke `vp` with the `--export` option you will receive a CSV file with
the additional statistics called in the specified path that looks something
like:

| Plugin        | Max      | Min     | Median   | Average  | Deviation |
|---------------|----------|---------|----------|----------|-----------|
| vim-airline   | 11.59700 | 9.37200 | 11.05550 | 10.83430 | 0.64257   |
| coc.nvim      | 9.26900  | 6.92700 | 8.26750  | 8.03870  | 0.74723   |
| vimwiki       | 7.74400  | 5.25200 | 6.83400  | 6.53550  | 0.81209   |
| vim-polyglot  | 7.01600  | 3.62900 | 4.22350  | 4.70690  | 1.09417   |
| tabular       | 4.18500  | 2.53700 | 3.21100  | 3.19110  | 0.50241   |
| vim-gitgutter | 3.35000  | 2.10800 | 2.63900  | 2.70540  | 0.45181   |
| emmet-vim     | 3.36700  | 2.16800 | 2.30200  | 2.45460  | 0.34839   |
| ale           | 3.21800  | 1.54900 | 1.85950  | 2.04930  | 0.52316   |
| vim-crypto    | 2.99100  | 1.61400 | 1.81100  | 2.03940  | 0.43480   |
| fzf.vim       | 1.83000  | 0.94600 | 1.13900  | 1.20210  | 0.26501   |

## Prior Art

The API is heavily inspired by the Python script that goes by the same name
[vim-profiler](https://github.com/bchretien/vim-profiler).

A few other notable vim profiling tools include:
- [`hyiltiz/vim-plugins-profile`](https://github.com/hyiltiz/vim-plugins-profile)
- [`dstein64/vim-startuptime`](https://github.com/dstein64/vim-startuptime)

vim-profiler

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