add benchmarking for individual functions (#9)

* add benchmarking

* update README to include benchmarking of individual functions

* README: formatting

* README: add link to Criterion's getting_started

* shell.nix: add gnuplot

Since Criterion.rs uses gnuplot to generate nice plots, add it to the
shell.

* Cargo.toml: fixed microfetch binary name

* benchmark.rs: fix benchmark function's name

* Update README.md

---------

Co-authored-by: raf <raf@notashelf.dev>
This commit is contained in:
vali 2024-08-15 17:43:39 +00:00 committed by GitHub
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View file

@ -3,10 +3,25 @@ name = "microfetch"
version = "0.3.5" version = "0.3.5"
edition = "2021" edition = "2021"
[lib]
name = "microfetch_lib"
path = "src/lib.rs"
[[bin]]
name = "microfetch"
path = "src/main.rs"
[dependencies] [dependencies]
nix = { version = "0.29", features = ["fs", "hostname", "feature"] } nix = { version = "0.29", features = ["fs", "hostname", "feature"] }
color-eyre = { version = "0.6", default-features = false } color-eyre = { version = "0.6", default-features = false }
[dev-dependencies]
criterion = "0.5"
[[bench]]
name = "benchmark"
harness = false
[profile.dev] [profile.dev]
opt-level = 3 opt-level = 3

View file

@ -70,6 +70,12 @@ there is. The only downside of using Rust is introducing more "bloated"
dependency trees and increasing build times. The latter is easily mitigated with dependency trees and increasing build times. The latter is easily mitigated with
Nix's binary cache, though._ Nix's binary cache, though._
[Criterion.rs]: https://github.com/bheisler/criterion.rs
[Getting Started Guide]: https://bheisler.github.io/criterion.rs/book/getting_started.html
To benchmark individual functions, [Criterion.rs] is used. See Criterion's
[Getting Started Guide] for details or just run `cargo bench` to benchmark
all features of Microfetch
## Customizing ## Customizing
You can't\*. You can't\*.

27
benches/benchmark.rs Normal file
View file

@ -0,0 +1,27 @@
use criterion::{criterion_group, criterion_main, Criterion};
use microfetch_lib::colors::print_dots;
use microfetch_lib::desktop::get_desktop_info;
use microfetch_lib::release::{get_os_pretty_name, get_system_info};
use microfetch_lib::system::{
get_memory_usage, get_root_disk_usage, get_shell, get_username_and_hostname,
};
use microfetch_lib::uptime::get_current;
fn main_benchmark(c: &mut Criterion) {
let utsname = nix::sys::utsname::uname().expect("lol");
c.bench_function("user_info", |b| {
b.iter(|| get_username_and_hostname(&utsname))
});
c.bench_function("os_name", |b| b.iter(get_os_pretty_name));
c.bench_function("kernel_version", |b| b.iter(|| get_system_info(&utsname)));
c.bench_function("shell", |b| b.iter(get_shell));
c.bench_function("desktop", |b| b.iter(get_desktop_info));
c.bench_function("uptime", |b| b.iter(get_current));
c.bench_function("memory_usage", |b| b.iter(get_memory_usage));
c.bench_function("storage", |b| b.iter(get_root_disk_usage));
c.bench_function("colors", |b| b.iter(print_dots));
}
criterion_group!(benches, main_benchmark);
criterion_main!(benches);

View file

@ -7,6 +7,7 @@
rustc, rustc,
gcc, gcc,
rustPlatform, rustPlatform,
gnuplot,
}: }:
mkShell { mkShell {
strictDeps = true; strictDeps = true;
@ -19,6 +20,8 @@ mkShell {
rust-analyzer-unwrapped rust-analyzer-unwrapped
rustfmt rustfmt
clippy clippy
gnuplot # For Criterion.rs plots
]; ];
env.RUST_SRC_PATH = "${rustPlatform.rustLibSrc}"; env.RUST_SRC_PATH = "${rustPlatform.rustLibSrc}";

5
src/lib.rs Normal file
View file

@ -0,0 +1,5 @@
pub mod colors;
pub mod desktop;
pub mod release;
pub mod system;
pub mod uptime;