perf(criterion): add criterion for benchmarking

Signed-off-by: Christina Sørensen <christina@cafkafk.com>

Cargo.lock

@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c378d78423fdad8089616f827526ee33c19f2fddbd5de1629152c9593ba4783"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -17,6 +26,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anes"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
+
 [[package]]
 name = "ansiterm"
 version = "0.12.2"
@@ -104,6 +119,12 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "cast"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
+
 [[package]]
 name = "cc"
 version = "1.0.79"
@@ -131,6 +152,58 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "ciborium"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "effd91f6c78e5a4ace8a5d3c0b6bfaec9e2baaef55f3efc00e45fb2e477ee926"
+dependencies = [
+ "ciborium-io",
+ "ciborium-ll",
+ "serde",
+]
+
+[[package]]
+name = "ciborium-io"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdf919175532b369853f5d5e20b26b43112613fd6fe7aee757e35f7a44642656"
+
+[[package]]
+name = "ciborium-ll"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "defaa24ecc093c77630e6c15e17c51f5e187bf35ee514f4e2d67baaa96dae22b"
+dependencies = [
+ "ciborium-io",
+ "half",
+]
+
+[[package]]
+name = "clap"
+version = "4.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84ed82781cea27b43c9b106a979fe450a13a31aab0500595fb3fc06616de08e6"
+dependencies = [
+ "clap_builder",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bb9faaa7c2ef94b2743a21f5a29e6f0010dff4caa69ac8e9d6cf8b6fa74da08"
+dependencies = [
+ "anstyle",
+ "clap_lex",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
+
 [[package]]
 name = "colorchoice"
 version = "1.0.0"
@@ -152,6 +225,42 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
+[[package]]
+name = "criterion"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
+dependencies = [
+ "anes",
+ "cast",
+ "ciborium",
+ "clap",
+ "criterion-plot",
+ "is-terminal",
+ "itertools",
+ "num-traits",
+ "once_cell",
+ "oorandom",
+ "plotters",
+ "rayon",
+ "regex",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "tinytemplate",
+ "walkdir",
+]
+
+[[package]]
+name = "criterion-plot"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
+dependencies = [
+ "cast",
+ "itertools",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.8"
@@ -251,6 +360,7 @@ version = "0.12.0"
 dependencies = [
  "ansiterm",
  "chrono",
+ "criterion",
  "gethostname",
  "git2",
  "glob",
@@ -332,6 +442,12 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
+[[package]]
+name = "half"
+version = "1.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7"
+
 [[package]]
 name = "hashbrown"
 version = "0.14.0"
@@ -415,6 +531,32 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "is-terminal"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
+dependencies = [
+ "hermit-abi",
+ "rustix 0.38.13",
+ "windows-sys",
+]
+
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
+
 [[package]]
 name = "jobserver"
 version = "0.1.22"
@@ -561,6 +703,12 @@ version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
+[[package]]
+name = "oorandom"
+version = "11.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
+
 [[package]]
 name = "openssl-src"
 version = "111.26.0+1.1.1u"
@@ -657,6 +805,34 @@ version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
 
+[[package]]
+name = "plotters"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2c224ba00d7cadd4d5c660deaf2098e5e80e07846537c51f9cfa4be50c1fd45"
+dependencies = [
+ "num-traits",
+ "plotters-backend",
+ "plotters-svg",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "plotters-backend"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e76628b4d3a7581389a35d5b6e2139607ad7c75b17aed325f210aa91f4a9609"
+
+[[package]]
+name = "plotters-svg"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38f6d39893cca0701371e3c27294f09797214b86f1fb951b89ade8ec04e2abab"
+dependencies = [
+ "plotters-backend",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.66"
@@ -736,6 +912,35 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "697061221ea1b4a94a624f67d0ae2bfe4e22b8a17b6a192afb11046542cc8c47"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2f401f4955220693b56f8ec66ee9c78abffd8d1c4f23dc41a23839eb88f0795"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
+
 [[package]]
 name = "rustix"
 version = "0.37.23"
@@ -763,6 +968,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -804,6 +1015,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.107"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.3"
@@ -931,6 +1153,16 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5082dc942361cdfb74eab98bf995762d6015e5bb3a20bf7c5c71213778b4fcb4"
 
+[[package]]
+name = "tinytemplate"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be4d6b5f19ff7664e8c98d03e2139cb510db9b0a60b55f8e8709b689d939b6bc"
+dependencies = [
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.2.0"
@@ -1127,6 +1359,16 @@ version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
 
+[[package]]
+name = "web-sys"
+version = "0.3.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b85cbef8c220a6abc02aefd892dfc0fc23afb1c6a426316ec33253a3877249b"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"

Cargo.toml

@@ -72,11 +72,12 @@ uzers = "0.11.3"
 chrono = { version = "0.4.30", default-features = false, features = ["clock"] }
 
 [dev-dependencies]
+criterion = { version = "0.5.1", features = ["html_reports"] }
 trycmd = "0.14"
 
 [features]
-default = [ "git" ]
-git = [ "git2" ]
+default = ["git"]
+git = ["git2"]
 vendored-openssl = ["git2/vendored-openssl"]
 vendored-libgit2 = ["git2/vendored-libgit2"]
 # Should only be used inside of flake.nix
@@ -92,3 +93,7 @@ debug = false
 lto = true
 strip = true
 opt-level = 3
+
+[[bench]]
+name = "my_benchmark"
+harness = false

benches/my_benchmark.rs

@@ -0,0 +1,8 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+pub fn criterion_benchmark(c: &mut Criterion) {
+    c.bench_function("logger", |b| b.iter(|| eza::logger::configure(black_box(std::env::var_os(eza::options::vars::EXA_DEBUG)))));
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);

src/lib.rs

@@ -0,0 +1,51 @@
+#[macro_use]
+extern crate lazy_static;
+use std::collections::HashMap;
+use crate::fs::mounts::MountedFs;
+use crate::fs::{Dir, File};
+use crate::fs::feature::git::GitCache;
+use crate::fs::filter::GitIgnore;
+use crate::options::{Options, Vars, vars, OptionsResult};
+use crate::output::{escape, lines, grid, grid_details, details, View, Mode};
+use crate::theme::Theme;
+use proc_mounts::MountList;
+use std::path::PathBuf;
+// A lazily initialised static map of all mounted file systems.
+//
+// The map contains a mapping from the mounted directory path to the
+// corresponding mount information. On Linux systems, this map is populated
+// using the `proc-mounts` crate. If there's an error retrieving the mount
+// list or if we're not running on Linux, the map will be empty.
+//
+// Initialise this at application start so we don't have to look the details
+// up for every directory. Ideally this would only be done if the --mounts
+// option is specified which will be significantly easier once the move
+// to `clap` is complete.
+lazy_static! {
+    static ref ALL_MOUNTS: HashMap<PathBuf, MountedFs> = {
+        #[cfg(target_os = "linux")]
+        match MountList::new() {
+            Ok(mount_list) => {
+                let mut m = HashMap::new();
+                mount_list.0.iter().for_each(|mount| {
+                    m.insert(mount.dest.clone(), MountedFs {
+                        dest: mount.dest.to_string_lossy().into_owned(),
+                        fstype: mount.fstype.clone(),
+                        source: mount.source.to_string_lossy().into(),
+                    });
+                });
+                m
+            }
+            Err(_) => HashMap::new()
+        }
+        #[cfg(not(target_os = "linux"))]
+        HashMap::new()
+    };
+}
+
+pub mod fs;
+pub mod info;
+pub mod logger;
+pub mod options;
+pub mod output;
+pub mod theme;