diff --git a/.cargo/config.toml b/.cargo/config.toml deleted file mode 100644 index b7efcee..0000000 --- a/.cargo/config.toml +++ /dev/null @@ -1,4 +0,0 @@ -# https://github.com/rui314/mold?tab=readme-ov-file#how-to-use -[target.'cfg(target_os = "linux")'] -linker = "clang" -rustflags = ["-C", "link-arg=-fuse-ld=mold"] diff --git a/.github/dependabot.yml b/.github/dependabot.yml deleted file mode 100644 index a1067c4..0000000 --- a/.github/dependabot.yml +++ /dev/null @@ -1,14 +0,0 @@ -version: 2 -updates: - # Update Cargo deps - - package-ecosystem: cargo - directory: "/" - schedule: - interval: "weekly" - - # Update used workflows - - package-ecosystem: github-actions - directory: "/" - schedule: - interval: daily - diff --git a/.github/workflows/hotpath-comment.yml b/.github/workflows/hotpath-comment.yml deleted file mode 100644 index a5ff678..0000000 --- a/.github/workflows/hotpath-comment.yml +++ /dev/null @@ -1,62 +0,0 @@ -name: hotpath-comment - -on: - workflow_run: - workflows: ["hotpath-profile"] - types: - - completed - -permissions: - contents: read - pull-requests: write - -jobs: - comment: - runs-on: ubuntu-latest - if: ${{ github.event.workflow_run.conclusion == 'success' }} - - steps: - - name: Checkout - uses: actions/checkout@v6 - - - name: Download profiling results - uses: actions/download-artifact@v7 - with: - name: hotpath-results - path: /tmp/ - github-token: ${{ secrets.GITHUB_TOKEN }} - run-id: ${{ github.event.workflow_run.id }} - - - name: Setup Rust - uses: actions-rust-lang/setup-rust-toolchain@v1 - - - name: Install hotpath CLI - run: cargo install hotpath - - - name: Post timing comparison comment - env: - GH_TOKEN: ${{ github.token }} - run: | - set -euo pipefail - HEAD_METRICS=$(cat /tmp/head_timing.json) - BASE_METRICS=$(cat /tmp/base_timing.json) - PR_NUMBER=$(cat /tmp/pr_number.txt) - hotpath profile-pr \ - --head-metrics "$HEAD_METRICS" \ - --base-metrics "$BASE_METRICS" \ - --github-token "$GH_TOKEN" \ - --pr-number "$PR_NUMBER" - - - name: Post allocation comparison comment - env: - GH_TOKEN: ${{ github.token }} - run: | - set -euo pipefail - HEAD_METRICS=$(cat /tmp/head_alloc.json) - BASE_METRICS=$(cat /tmp/base_alloc.json) - PR_NUMBER=$(cat /tmp/pr_number.txt) - hotpath profile-pr \ - --head-metrics "$HEAD_METRICS" \ - --base-metrics "$BASE_METRICS" \ - --github-token "$GH_TOKEN" \ - --pr-number "$PR_NUMBER" diff --git a/.github/workflows/hotpath-profile.yml b/.github/workflows/hotpath-profile.yml deleted file mode 100644 index f79b668..0000000 --- a/.github/workflows/hotpath-profile.yml +++ /dev/null @@ -1,65 +0,0 @@ -name: hotpath-profile - -on: - pull_request: - branches: [ "main" ] - -env: - CARGO_TERM_COLOR: always - -jobs: - profile: - runs-on: ubuntu-latest - - steps: - - name: Checkout PR HEAD - uses: actions/checkout@v6 - with: - fetch-depth: 0 - - - name: Setup Rust - uses: actions-rust-lang/setup-rust-toolchain@v1 - - - name: Run timing profiling on HEAD - env: - HOTPATH_JSON: "true" - run: | - cargo run --features='hotpath' 2>&1 | grep '^{"hotpath_profiling_mode"' > /tmp/head_timing.json - - - name: Run allocation profiling on HEAD - env: - HOTPATH_JSON: "true" - run: | - cargo run --features='hotpath,hotpath-alloc' 2>&1 | grep '^{"hotpath_profiling_mode"' > /tmp/head_alloc.json - - - name: Checkout base branch - run: | - git checkout ${{ github.event.pull_request.base.sha }} - - - name: Run timing profiling on base - env: - HOTPATH_JSON: "true" - run: | - cargo run --features='hotpath' 2>&1 | grep '^{"hotpath_profiling_mode"' > /tmp/base_timing.json || echo '{}' > /tmp/base_timing.json - - - name: Run allocation profiling on base - env: - HOTPATH_JSON: "true" - run: | - cargo run --features='hotpath,hotpath-alloc' 2>&1 | grep '^{"hotpath_profiling_mode"' > /tmp/base_alloc.json || echo '{}' > /tmp/base_alloc.json - - - name: Save PR number - run: | - echo '${{ github.event.pull_request.number }}' > /tmp/pr_number.txt - - - name: Upload profiling results - uses: actions/upload-artifact@v6 - with: - name: hotpath-results - path: | - /tmp/head_timing.json - /tmp/head_alloc.json - /tmp/base_timing.json - /tmp/base_alloc.json - /tmp/pr_number.txt - retention-days: 1 diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml index 5f435fb..e87e1da 100644 --- a/.github/workflows/rust.yml +++ b/.github/workflows/rust.yml @@ -10,45 +10,12 @@ env: CARGO_TERM_COLOR: always jobs: - test: - name: Test on ${{ matrix.target }} - runs-on: ${{ matrix.os }} - strategy: - fail-fast: false - matrix: - include: - - os: ubuntu-latest - target: x86_64-unknown-linux-gnu - - os: ubuntu-latest - target: aarch64-unknown-linux-gnu + build: + + runs-on: ubuntu-latest steps: - name: "Checkout" - uses: actions/checkout@v6 - - - name: "Setup Rust toolchain" - uses: actions-rust-lang/setup-rust-toolchain@v1 - with: - target: ${{ matrix.target }} - - - name: "Install cross-compilation tools" - if: matrix.target == 'aarch64-unknown-linux-gnu' - run: | - sudo apt-get update - sudo apt-get install -y gcc-aarch64-linux-gnu - - - name: "Configure linker for aarch64" - if: matrix.target == 'aarch64-unknown-linux-gnu' - run: | - mkdir -p .cargo - cat >> .cargo/config.toml << EOF - [target.aarch64-unknown-linux-gnu] - linker = "aarch64-linux-gnu-gcc" - EOF - - - name: "Build" - run: cargo build --verbose --target ${{ matrix.target }} - - - name: "Run tests" - if: matrix.target == 'x86_64-unknown-linux-gnu' - run: cargo test --verbose --target ${{ matrix.target }} + uses: actions/checkout@v4 + - name: "Build with Cargo" + run: cargo build --verbose diff --git a/.gitignore b/.gitignore index 8799178..8ea0ee8 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,2 @@ /target result* -/.direnv diff --git a/.rustfmt.toml b/.rustfmt.toml deleted file mode 100644 index 9d5c77e..0000000 --- a/.rustfmt.toml +++ /dev/null @@ -1,26 +0,0 @@ -condense_wildcard_suffixes = true -doc_comment_code_block_width = 80 -edition = "2024" # Keep in sync with Cargo.toml. -enum_discrim_align_threshold = 60 -force_explicit_abi = false -force_multiline_blocks = true -format_code_in_doc_comments = true -format_macro_matchers = true -format_strings = true -group_imports = "StdExternalCrate" -hex_literal_case = "Upper" -imports_granularity = "Crate" -imports_layout = "HorizontalVertical" -inline_attribute_width = 60 -match_block_trailing_comma = true -max_width = 80 -newline_style = "Unix" -normalize_comments = true -normalize_doc_attributes = true -overflow_delimited_expr = true -struct_field_align_threshold = 60 -tab_spaces = 2 -unstable_features = true -use_field_init_shorthand = true -use_try_shorthand = true -wrap_comments = true diff --git a/.taplo.toml b/.taplo.toml deleted file mode 100644 index 5a6456b..0000000 --- a/.taplo.toml +++ /dev/null @@ -1,13 +0,0 @@ -[formatting] -align_entries = true -column_width = 100 -compact_arrays = false -reorder_inline_tables = true -reorder_keys = true - -[[rule]] -include = [ "**/Cargo.toml" ] -keys = [ "package" ] - -[rule.formatting] -reorder_keys = false diff --git a/Cargo.lock b/Cargo.lock index 065eded..f2a7cd6 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1,6 +1,21 @@ # This file is automatically @generated by Cargo. # It is not intended for manual editing. -version = 4 +version = 3 + +[[package]] +name = "addr2line" +version = "0.21.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb" +dependencies = [ + "gimli", +] + +[[package]] +name = "adler" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe" [[package]] name = "aho-corasick" @@ -11,112 +26,50 @@ dependencies = [ "memchr", ] -[[package]] -name = "alloca" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e5a7d05ea6aea7e9e64d25b9156ba2fee3fdd659e34e41063cd2fc7cd020d7f4" -dependencies = [ - "cc", -] - [[package]] name = "anes" version = "0.1.6" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299" -[[package]] -name = "anstream" -version = "0.6.21" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "43d5b281e737544384e969a5ccad3f1cdd24b48086a0fc1b2a5262a26b8f4f4a" -dependencies = [ - "anstyle", - "anstyle-parse", - "anstyle-query", - "anstyle-wincon", - "colorchoice", - "is_terminal_polyfill", - "utf8parse", -] - [[package]] name = "anstyle" -version = "1.0.10" +version = "1.0.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9" - -[[package]] -name = "anstyle-parse" -version = "0.2.7" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2" -dependencies = [ - "utf8parse", -] - -[[package]] -name = "anstyle-query" -version = "1.1.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc" -dependencies = [ - "windows-sys 0.61.2", -] - -[[package]] -name = "anstyle-wincon" -version = "3.0.11" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d" -dependencies = [ - "anstyle", - "once_cell_polyfill", - "windows-sys 0.61.2", -] - -[[package]] -name = "arc-swap" -version = "1.7.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "69f7f8c3906b62b754cd5326047894316021dcfe5a194c8ea52bdd94934a3457" - -[[package]] -name = "ascii" -version = "1.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d92bec98840b8f03a5ff5413de5293bfcd8bf96467cf5452609f939ec6f5de16" +checksum = "1bec1de6f59aedf83baf9ff929c98f2ad654b97c9510f4e70cf6f661d49fd5b1" [[package]] name = "autocfg" -version = "1.4.0" +version = "1.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26" +checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0" [[package]] -name = "base64" -version = "0.22.1" +name = "backtrace" +version = "0.3.71" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6" +checksum = "26b05800d2e817c8b3b4b54abd461726265fa9789ae34330622f2db9ee696f9d" +dependencies = [ + "addr2line", + "cc", + "cfg-if", + "libc", + "miniz_oxide", + "object", + "rustc-demangle", +] [[package]] name = "bitflags" -version = "2.9.0" +version = "2.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd" +checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de" [[package]] name = "bumpalo" -version = "3.17.0" +version = "3.16.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf" - -[[package]] -name = "byteorder" -version = "1.5.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b" +checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c" [[package]] name = "cast" @@ -126,13 +79,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5" [[package]] name = "cc" -version = "1.2.46" +version = "1.1.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b97463e1064cb1b1c1384ad0a0b9c8abd0988e2a91f52606c80ef14aadb63e36" -dependencies = [ - "find-msvc-tools", - "shlex", -] +checksum = "26a5c3fd7bfa1ce3897a3a3501d362b2d87b7f2583ebcb4a949ec25911025cbc" [[package]] name = "cfg-if" @@ -141,10 +90,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" [[package]] -name = "chunked_transfer" -version = "1.5.0" +name = "cfg_aliases" +version = "0.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6e4de3bc4ea267985becf712dc6d9eed8b04c953b3fcfb339ebc87acd9804901" +checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724" [[package]] name = "ciborium" @@ -175,79 +124,63 @@ dependencies = [ [[package]] name = "clap" -version = "4.5.35" +version = "4.5.15" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d8aa86934b44c19c50f87cc2790e19f54f7a67aedb64101c2e1a2e5ecfb73944" +checksum = "11d8838454fda655dafd3accb2b6e2bea645b9e4078abe84a22ceb947235c5cc" dependencies = [ "clap_builder", - "clap_derive", ] [[package]] name = "clap_builder" -version = "4.5.35" +version = "4.5.15" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2414dbb2dd0695280da6ea9261e327479e9d37b0630f6b53ba2a11c60c679fd9" +checksum = "216aec2b177652e3846684cbfe25c9964d18ec45234f0f5da5157b207ed1aab6" dependencies = [ - "anstream", "anstyle", "clap_lex", - "strsim", -] - -[[package]] -name = "clap_derive" -version = "4.5.32" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "09176aae279615badda0765c0c0b3f6ed53f4709118af73cf4655d85d1530cd7" -dependencies = [ - "heck", - "proc-macro2", - "quote", - "syn", ] [[package]] name = "clap_lex" -version = "0.7.4" +version = "0.7.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6" +checksum = "1462739cb27611015575c0c11df5df7601141071f07518d56fcc1be504cbec97" [[package]] -name = "colorchoice" -version = "1.0.4" +name = "color-eyre" +version = "0.6.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75" - -[[package]] -name = "colored" -version = "3.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fde0e0ec90c9dfb3b4b1a0891a7dcd0e2bffde2f7efed5fe7c9bb00e5bfb915e" +checksum = "55146f5e46f237f7423d74111267d4597b59b0dad0ffaf7303bce9945d843ad5" dependencies = [ - "windows-sys 0.59.0", + "backtrace", + "eyre", + "indenter", + "once_cell", + "owo-colors", ] [[package]] name = "criterion" -version = "0.8.1" +version = "0.5.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4d883447757bb0ee46f233e9dc22eb84d93a9508c9b868687b274fc431d886bf" +checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f" dependencies = [ - "alloca", "anes", "cast", "ciborium", "clap", "criterion-plot", + "is-terminal", "itertools", "num-traits", + "once_cell", "oorandom", - "page_size", "plotters", "rayon", "regex", "serde", + "serde_derive", "serde_json", "tinytemplate", "walkdir", @@ -255,28 +188,19 @@ dependencies = [ [[package]] name = "criterion-plot" -version = "0.8.1" +version = "0.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ed943f81ea2faa8dcecbbfa50164acf95d555afec96a27871663b300e387b2e4" +checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1" dependencies = [ "cast", "itertools", ] -[[package]] -name = "crossbeam-channel" -version = "0.5.15" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "82b8f8f868b36967f9606790d1903570de9ceaf870a7bf9fbbd3016d636a2cb2" -dependencies = [ - "crossbeam-utils", -] - [[package]] name = "crossbeam-deque" -version = "0.8.6" +version = "0.8.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51" +checksum = "613f8cc01fe9cf1a3eb3d7f488fd2fa8388403e97039e2f73692932e291a770d" dependencies = [ "crossbeam-epoch", "crossbeam-utils", @@ -293,48 +217,21 @@ dependencies = [ [[package]] name = "crossbeam-utils" -version = "0.8.21" +version = "0.8.20" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28" +checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80" [[package]] name = "crunchy" -version = "0.2.3" +version = "0.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "43da5946c66ffcc7745f48db692ffbb10a83bfe0afd96235c5c2a4fb23994929" - -[[package]] -name = "dirs-next" -version = "2.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1" -dependencies = [ - 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"bitflags", -] - [[package]] name = "rayon" version = "1.10.0" @@ -733,22 +463,11 @@ dependencies = [ "crossbeam-utils", ] -[[package]] -name = "redox_users" -version = "0.4.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43" -dependencies = [ - "getrandom", - "libredox", - "thiserror", -] - [[package]] name = "regex" -version = "1.11.1" +version = "1.10.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191" +checksum = "4219d74c6b67a3654a9fbebc4b419e22126d13d2f3c4a07ee0cb61ff79a79619" dependencies = [ "aho-corasick", "memchr", @@ -758,9 +477,9 @@ dependencies = [ [[package]] name = "regex-automata" -version = "0.4.9" +version = "0.4.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908" +checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df" dependencies = [ "aho-corasick", "memchr", @@ -769,21 +488,21 @@ dependencies = [ [[package]] name = "regex-syntax" -version = "0.8.5" +version = "0.8.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c" +checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b" [[package]] -name = "rustversion" -version = "1.0.20" +name = "rustc-demangle" +version = "0.1.24" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eded382c5f5f786b989652c49544c4877d9f015cc22e145a5ea8ea66c2921cd2" +checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f" [[package]] name = "ryu" -version = "1.0.20" +version = "1.0.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f" +checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f" [[package]] name = "same-file" @@ -796,18 +515,18 @@ dependencies = [ [[package]] name = "serde" -version = "1.0.219" +version = "1.0.207" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6" +checksum = "5665e14a49a4ea1b91029ba7d3bca9f299e1f7cfa194388ccc20f14743e784f2" dependencies = [ "serde_derive", ] [[package]] name = "serde_derive" -version = "1.0.219" +version = "1.0.207" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00" +checksum = "6aea2634c86b0e8ef2cfdc0c340baede54ec27b1e46febd7f80dffb2aa44a00e" dependencies = [ "proc-macro2", "quote", @@ -816,9 +535,9 @@ dependencies = [ [[package]] name = "serde_json" -version = "1.0.140" +version = "1.0.125" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373" +checksum = "83c8e735a073ccf5be70aa8066aa984eaf2fa000db6c8d0100ae605b366d31ed" dependencies = [ "itoa", "memchr", @@ -826,78 +545,17 @@ dependencies = [ "serde", ] -[[package]] -name = "shlex" -version = "1.3.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" - 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-[[package]] -name = "thiserror" -version = "1.0.69" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52" -dependencies = [ - "thiserror-impl", -] - -[[package]] -name = "thiserror-impl" -version = "1.0.69" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1" -dependencies = [ - "proc-macro2", - "quote", - "syn", -] - -[[package]] -name = "tiny_http" -version = "0.12.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "389915df6413a2e74fb181895f933386023c71110878cd0825588928e64cdc82" -dependencies = [ - "ascii", - "chunked_transfer", - "httpdate", - "log", -] - [[package]] name = "tinytemplate" version = "1.2.1" @@ -908,32 +566,11 @@ dependencies = [ "serde_json", ] -[[package]] -name = "tokio" -version = "1.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408" -dependencies = [ - "pin-project-lite", -] - [[package]] name = "unicode-ident" -version = "1.0.18" +version = "1.0.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512" - -[[package]] -name = "unicode-width" -version = "0.1.14" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af" - -[[package]] -name = "utf8parse" -version = "0.2.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821" +checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b" [[package]] name = "walkdir" @@ -945,32 +582,26 @@ dependencies = [ "winapi-util", ] -[[package]] -name = "wasi" -version = "0.11.1+wasi-snapshot-preview1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b" - [[package]] name = "wasm-bindgen" -version = "0.2.100" +version = "0.2.93" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5" +checksum = "a82edfc16a6c469f5f44dc7b571814045d60404b55a0ee849f9bcfa2e63dd9b5" dependencies = [ "cfg-if", "once_cell", - "rustversion", "wasm-bindgen-macro", ] [[package]] name = "wasm-bindgen-backend" -version = "0.2.100" +version = "0.2.93" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6" +checksum = "9de396da306523044d3302746f1208fa71d7532227f15e347e2d93e4145dd77b" dependencies = [ "bumpalo", "log", + "once_cell", "proc-macro2", "quote", "syn", @@ -979,9 +610,9 @@ dependencies = [ [[package]] name = "wasm-bindgen-macro" -version = "0.2.100" +version = "0.2.93" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407" +checksum = "585c4c91a46b072c92e908d99cb1dcdf95c5218eeb6f3bf1efa991ee7a68cccf" dependencies = [ "quote", "wasm-bindgen-macro-support", @@ -989,9 +620,9 @@ dependencies = [ [[package]] name = "wasm-bindgen-macro-support" -version = "0.2.100" +version = "0.2.93" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de" +checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836" dependencies = [ "proc-macro2", "quote", @@ -1002,39 +633,20 @@ dependencies = [ [[package]] name = "wasm-bindgen-shared" -version = "0.2.100" +version = "0.2.93" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d" -dependencies = [ - "unicode-ident", -] +checksum = "c62a0a307cb4a311d3a07867860911ca130c3494e8c2719593806c08bc5d0484" [[package]] name = "web-sys" -version = "0.3.77" +version = "0.3.70" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "33b6dd2ef9186f1f2072e409e99cd22a975331a6b3591b12c764e0e55c60d5d2" +checksum = "26fdeaafd9bd129f65e7c031593c24d62186301e0c72c8978fa1678be7d532c0" dependencies = [ "js-sys", "wasm-bindgen", ] -[[package]] -name = "winapi" -version = "0.3.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419" -dependencies = [ - "winapi-i686-pc-windows-gnu", - "winapi-x86_64-pc-windows-gnu", -] - -[[package]] -name = "winapi-i686-pc-windows-gnu" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" - [[package]] name = "winapi-util" version = "0.1.9" @@ -1045,16 +657,13 @@ dependencies = [ ] [[package]] -name = "winapi-x86_64-pc-windows-gnu" -version = "0.4.0" +name = "windows-sys" +version = "0.52.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" - -[[package]] -name = "windows-link" -version = "0.2.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5" +checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d" +dependencies = [ + "windows-targets", +] [[package]] name = "windows-sys" @@ -1065,15 +674,6 @@ dependencies = [ "windows-targets", ] -[[package]] -name = "windows-sys" -version = "0.61.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc" -dependencies = [ - "windows-link", -] - [[package]] name = "windows-targets" version = "0.52.6" diff --git a/Cargo.toml b/Cargo.toml index f6ddf6f..9e1ea00 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,7 +1,7 @@ [package] -name = "microfetch" -version = "0.4.12" -edition = "2024" +name = "microfetch" +version = "0.4.3" +edition = "2021" [lib] name = "microfetch_lib" @@ -12,57 +12,29 @@ name = "microfetch" path = "src/main.rs" [dependencies] -hotpath = { optional = true, version = "0.9.0" } -libc = "0.2.178" +nix = { version = "0.29", features = ["fs", "hostname", "feature"] } +color-eyre = { version = "0.6", default-features = false } +lazy_static = "1.5.0" [dev-dependencies] -criterion = "0.8.1" - -[features] -hotpath = [ "dep:hotpath", "hotpath/hotpath" ] -hotpath-alloc = [ "hotpath/hotpath-alloc" ] -hotpath-off = [ "hotpath/hotpath-off" ] +criterion = "0.5" [[bench]] +name = "benchmark" harness = false -name = "benchmark" [profile.dev] -opt-level = 1 +opt-level = 3 [profile.release] +strip = true +opt-level = "z" +lto = true codegen-units = 1 -lto = true -opt-level = "s" -panic = "abort" -strip = true +panic = "abort" [profile.profiler] -debug = true -inherits = "release" +inherits = "release" +debug = true split-debuginfo = "unpacked" -strip = "none" - -[lints.clippy] -complexity = { level = "warn", priority = -1 } -nursery = { level = "warn", priority = -1 } -pedantic = { level = "warn", priority = -1 } -perf = { level = "warn", priority = -1 } -style = { level = "warn", priority = -1 } - -# The lint groups above enable some less-than-desirable rules, we should manually -# enable those to keep our sanity. -absolute_paths = "allow" -arbitrary_source_item_ordering = "allow" -implicit_return = "allow" -missing_docs_in_private_items = "allow" -non_ascii_literal = "allow" -pattern_type_mismatch = "allow" -print_stdout = "allow" -question_mark_used = "allow" -similar_names = "allow" -single_call_fn = "allow" -std_instead_of_core = "allow" -too_long_first_doc_paragraph = "allow" -too_many_lines = "allow" -unused_trait_names = "allow" +strip = "none" diff --git a/README.md b/README.md index 8f59640..866293e 100644 --- a/README.md +++ b/README.md @@ -1,30 +1,17 @@ - -
https://deps.rs/repo/github/notashelf/microfetch - stars + +
-
-

Microfetch

-

Microscopic fetch tool in Rust, for NixOS systems, with special emphasis on speed

-
- Synopsis
- Features | Motivation
| Benchmarks
- Installation -
-
+

Microfetch

-## Synopsis - -[fastfetch]: https://github.com/fastfetch-cli/fastfetch - -Stupidly small and simple, laughably fast and pretty fetch tool. Written in Rust -for speed and ease of maintainability. Runs in a _fraction of a millisecond_ and -displays _most_ of the nonsense you'd see posted on r/unixporn or other internet -communities. Aims to replace [fastfetch] on my personal system, but -[probably not yours](#customizing). Though, you are more than welcome to use it -on your system: it is pretty _[fast](#benchmarks)_... +Stupidly simple, laughably fast fetch tool. Written in Rust for speed and ease +of maintainability. Runs in a _fraction of a millisecond_ and displays _most_ of +the nonsense you'd see posted on r/unixporn or other internet communities. Aims +to replace [fastfetch](https://github.com/fastfetch-cli/fastfetch) on my +personal system, but [probably not yours](#customizing). Though, you are more +than welcome to use it on your system: it's pretty [fast...](#benchmarks)

[!NOTE] > You will need a Nerdfonts patched font installed, and for your terminal -> emulator to support said font. Microfetch uses nerdfonts glyphs by default, -> but this can be changed by [patching the program](#customizing). +> emulator to support said font. Microfetch uses nerdfonts glyphs by default. -Microfetch is packaged in [nixpkgs](https://github.com/nixos/nixpkgs). It can be -installed by adding `pkgs.microfetch` to your `environment.systemPackages`. -Additionally, you can try out Microfetch in a Nix shell. - -```bash -nix shell nixpkgs#microfetch -``` - -Or run it directly with `nix run` - -```bash -nix run nixpkgs#microfetch -``` +Microfetch is packaged in [nixpkgs](https://github.com/nixos/nixpkgs). You can +get it through the unstable channel for the time being. The Nix flake can also +be used for bleeding-edge builds. Non-Nix users will have to build Microfetch with `cargo`. It is not published anywhere but I imagine you can use `cargo install --git` to install it from @@ -204,31 +107,17 @@ You can't. ### Why? -Customization, of most kinds, are expensive: I could try reading environment -variables, parse command-line arguments or read a configuration file to allow -configuring various fields but those inflate execution time and the resource -consumption by a lot. Since Microfetch is closer to a code golf challenge than a -program that attempts to fill a gap, I have elected not to make this trade. +Customization, of any kind, is expensive: I could try reading environment +variables, parse command-line arguments or read a configuration file but all of +those increment execution time and resource consumption by a lot. ### Really? -[main module]: ./src/main.rs -[discussions tab]: https://github.com/NotAShelf/microfetch/discussions - -To be fair, you _can_ customize Microfetch by, well, patching it. It is -certainly not the easiest way of doing so but if you are planning to change -something in Microfetch, patching is the best way to go. It will also the only -way that does not compromise on speed, unless you patch in bad code. Various -users have adapted Microfetch to their distribution by patching the -[main module] and inserting the logo of their choice. This is also the best way -to go if you plan to make small changes. If your changes are not small, you -might want to look for a program that is designed to be customizable; Microfetch -is built for maximum performance. +To be fair, you _can_ customize Microfetch by, well, patching it. It's not the +best way per se, but it will be the only way that does not compromise on speed. The Nix package allows passing patches in a streamlined manner by passing -`.overrideAttrs` to the derivation. You can apply your patches in `patches` and -share your derivations with people. Feel free to use the [discussions tab] to -share your own variants of Microfetch! +`.overrideAttrs` to the derivation. ## Contributing @@ -240,22 +129,13 @@ Contributions that help improve performance in specific areas of Microfetch are welcome. Though, prepare to be bombarded with questions if your changes are large. -### Hacking +## Hacking -A Nix flake is provided. You may use `nix develop` to get started. Direnv users -may instead run `direnv allow` to get a complete environment with shell -integration. +A Nix flake is provided. `nix develop` to get started. Direnv users may simply +run `direnv allow` to get started. -Non-Nix user will need `cargo`, `clang` and `mold` installed on their system to -build Microfetch. As Mold seems to yield _slightly_ better results than the -default linker, it has been set as the default in `.cargo/config.toml` for -x86-64 Linux. You may override those defaults using the `RUSTFLAGS` environment -variable. For example: - -```sh -# Use ld instead of Mold -$ RUSTFLAGS="-C linker=/path/to/ld.lld" cargo build -``` +Non-nix users will need `cargo` and `gcc` installed on their system, see +`Cargo.toml` for available release profiles. ## Thanks @@ -272,7 +152,6 @@ person about current issues. To list a few, special thanks to: - [@sioodmy](https://github.com/sioodmy) - Being cute - [@mewoocat](https://github.com/mewoocat) - The awesome NixOS logo ASCII used in Microfetch -- [@uzaaft](https://github.com/uzaaft) - Helping me going faster Additionally a big thank you to everyone who used, talked about or criticized Microfetch. I might have missed your name here, but you have my thanks. diff --git a/benches/benchmark.rs b/benches/benchmark.rs index 8d62082..7706617 100644 --- a/benches/benchmark.rs +++ b/benches/benchmark.rs @@ -1,32 +1,26 @@ -use criterion::{Criterion, criterion_group, criterion_main}; -use microfetch_lib::{ - UtsName, - colors::print_dots, - desktop::get_desktop_info, - release::{get_os_pretty_name, get_system_info}, - system::{ - get_memory_usage, - get_root_disk_usage, - get_shell, - get_username_and_hostname, - }, - uptime::get_current, +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 = UtsName::uname().expect("Failed to get uname"); - 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)); + 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)); + 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); diff --git a/flake.lock b/flake.lock index 452a532..77bd438 100644 --- a/flake.lock +++ b/flake.lock @@ -2,19 +2,15 @@ "nodes": { "nixpkgs": { "locked": { - "lastModified": 1743359643, - "narHash": "sha256-RkyJ9a67s0zEIz4O66TyZOIGh4TFZ4dKHKMgnxZCh2I=", - "lastModified": 1763381801, - "narHash": "sha256-325fR0JmHW7B74/gHPv/S9w1Rfj/M2HniwQFUwdrZ9k=", + "lastModified": 1722719969, + "narHash": "sha256-E47qbT/mRtBCSZra+9S9208sp/QnNeOAq7EhHX+eMNE=", "owner": "NixOS", "repo": "nixpkgs", - "rev": "ca77b4bc80e558ce59f2712fdb276f90c0ee309a", - "rev": "46931757ea8bdbba25c076697f8e73b8dc39fef5", + "rev": "83a364ced9d5b8a6bdac897bbef6b91e70777b97", "type": "github" }, "original": { "owner": "NixOS", - "ref": "nixos-unstable", "repo": "nixpkgs", "type": "github" } diff --git a/flake.nix b/flake.nix index 90978a2..a481c30 100644 --- a/flake.nix +++ b/flake.nix @@ -1,6 +1,6 @@ { description = "A microscopic fetch script in Rust, for NixOS systems"; - inputs.nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable"; + inputs.nixpkgs.url = "github:NixOS/nixpkgs"; outputs = { self, @@ -10,12 +10,9 @@ forEachSystem = nixpkgs.lib.genAttrs systems; pkgsForEach = nixpkgs.legacyPackages; in { - packages = forEachSystem (system: let - pkgs = pkgsForEach.${system}; - in { + packages = forEachSystem (system: { default = self.packages.${system}.microfetch; - microfetch = pkgs.callPackage ./nix/package.nix {}; - microfetch-mold = pkgs.callPackage ./nix/package.nix {useMold = true;}; + microfetch = pkgsForEach.${system}.callPackage ./nix/package.nix {}; }); devShells = forEachSystem (system: { diff --git a/nix/package.nix b/nix/package.nix index 052f576..1a7dde3 100644 --- a/nix/package.nix +++ b/nix/package.nix @@ -1,53 +1,30 @@ { lib, - stdenv, - stdenvAdapters, rustPlatform, + stdenvAdapters, llvm, - useMold ? stdenv.isLinux && !stdenv.hostPlatform.isAarch, }: let toml = (lib.importTOML ../Cargo.toml).package; pname = toml.name; inherit (toml) version; - - # Select stdenv based on useMold flag - stdenv = - if useMold - then stdenvAdapters.useMoldLinker llvm.stdenv - else llvm.stdenv; in - rustPlatform.buildRustPackage.override {inherit stdenv;} { + rustPlatform.buildRustPackage.override {stdenv = stdenvAdapters.useMoldLinker llvm.stdenv;} { + RUSTFLAGS = "-C link-arg=-fuse-ld=mold"; + inherit pname version; - src = let - fs = lib.fileset; - s = ../.; - in - fs.toSource { - root = s; - fileset = fs.unions [ - (fs.fileFilter (file: builtins.any file.hasExt ["rs"]) (s + /src)) - (s + /Cargo.lock) - (s + /Cargo.toml) - (s + /benches) - ]; - }; - cargoLock.lockFile = ../Cargo.lock; - enableParallelBuilding = true; - buildNoDefaultFeatures = true; - doCheck = false; - - # Only set RUSTFLAGS for mold if useMold is enabled - env = lib.optionalAttrs useMold { - CARGO_LINKER = "clang"; - RUSTFLAGS = "-C link-arg=-fuse-ld=mold"; + src = builtins.path { + name = "${pname}-${version}"; + path = lib.sources.cleanSource ../.; }; + cargoLock.lockFile = ../Cargo.lock; + meta = { - description = "Microscopic fetch script in Rust, for NixOS systems"; + description = "A microscopic fetch script in Rust, for NixOS systems"; homepage = "https://github.com/NotAShelf/microfetch"; license = lib.licenses.gpl3Only; - maintainers = [lib.maintainers.NotAShelf]; + maintainers = with lib.maintainers; [NotAShelf]; mainProgram = "microfetch"; }; } diff --git a/nix/shell.nix b/nix/shell.nix index ae65e10..2350dbd 100644 --- a/nix/shell.nix +++ b/nix/shell.nix @@ -1,31 +1,27 @@ { mkShell, - cargo, - rustc, - mold, - clang, rust-analyzer-unwrapped, rustfmt, clippy, - taplo, + cargo, + rustc, + gcc, rustPlatform, gnuplot, }: mkShell { - name = "microfetch"; strictDeps = true; + nativeBuildInputs = [ cargo rustc - mold - clang + gcc rust-analyzer-unwrapped - (rustfmt.override {asNightly = true;}) + rustfmt clippy - taplo - gnuplot # for Criterion.rs plots + gnuplot # For Criterion.rs plots ]; env.RUST_SRC_PATH = "${rustPlatform.rustLibSrc}"; diff --git a/src/colors.rs b/src/colors.rs index 7c65944..061db15 100644 --- a/src/colors.rs +++ b/src/colors.rs @@ -1,81 +1,57 @@ -use std::sync::LazyLock; +use std::env; pub struct Colors { - pub reset: &'static str, - pub blue: &'static str, - pub cyan: &'static str, - pub green: &'static str, - pub yellow: &'static str, - pub red: &'static str, - pub magenta: &'static str, + pub reset: &'static str, + pub blue: &'static str, + pub cyan: &'static str, + pub green: &'static str, + pub yellow: &'static str, + pub red: &'static str, + pub magenta: &'static str, } impl Colors { - const fn new(is_no_color: bool) -> Self { - if is_no_color { - Self { - reset: "", - blue: "", - cyan: "", - green: "", - yellow: "", - red: "", - magenta: "", - } - } else { - Self { - reset: "\x1b[0m", - blue: "\x1b[34m", - cyan: "\x1b[36m", - green: "\x1b[32m", - yellow: "\x1b[33m", - red: "\x1b[31m", - magenta: "\x1b[35m", - } + const fn new(is_no_color: bool) -> Self { + match is_no_color { + true => Self { + reset: "", + blue: "", + cyan: "", + green: "", + yellow: "", + red: "", + magenta: "", + }, + false => Self { + reset: "\x1b[0m", + blue: "\x1b[34m", + cyan: "\x1b[36m", + green: "\x1b[32m", + yellow: "\x1b[33m", + red: "\x1b[31m", + magenta: "\x1b[35m", + }, + } } - } } -pub static COLORS: LazyLock = LazyLock::new(|| { - const NO_COLOR: *const libc::c_char = c"NO_COLOR".as_ptr(); - let is_no_color = unsafe { !libc::getenv(NO_COLOR).is_null() }; - Colors::new(is_no_color) -}); +lazy_static::lazy_static! { + pub static ref COLORS: Colors = { + // check for NO_COLOR once at startup + let is_no_color = env::var("NO_COLOR").is_ok(); + Colors::new(is_no_color) + }; +} -#[must_use] -#[cfg_attr(feature = "hotpath", hotpath::measure)] pub fn print_dots() -> String { - // Pre-calculate capacity: 6 color codes + " " (glyph + 2 spaces) per color - const GLYPH: &str = ""; - let capacity = COLORS.blue.len() - + COLORS.cyan.len() - + COLORS.green.len() - + COLORS.yellow.len() - + COLORS.red.len() - + COLORS.magenta.len() - + COLORS.reset.len() - + (GLYPH.len() + 2) * 6; - - let mut result = String::with_capacity(capacity); - result.push_str(COLORS.blue); - result.push_str(GLYPH); - result.push_str(" "); - result.push_str(COLORS.cyan); - result.push_str(GLYPH); - result.push_str(" "); - result.push_str(COLORS.green); - result.push_str(GLYPH); - result.push_str(" "); - result.push_str(COLORS.yellow); - result.push_str(GLYPH); - result.push_str(" "); - result.push_str(COLORS.red); - result.push_str(GLYPH); - result.push_str(" "); - result.push_str(COLORS.magenta); - result.push_str(GLYPH); - result.push_str(" "); - result.push_str(COLORS.reset); - - result + format!( + "{} {} {} {} {} {} {}", + COLORS.blue, + COLORS.cyan, + COLORS.green, + COLORS.yellow, + COLORS.red, + COLORS.magenta, + COLORS.reset, + ) } diff --git a/src/desktop.rs b/src/desktop.rs index 501e967..f35cd2a 100644 --- a/src/desktop.rs +++ b/src/desktop.rs @@ -1,42 +1,28 @@ -use std::{ffi::CStr, fmt::Write}; - -#[must_use] -#[cfg_attr(feature = "hotpath", hotpath::measure)] pub fn get_desktop_info() -> String { - // Retrieve the environment variables and handle Result types - let desktop_str = unsafe { - let ptr = libc::getenv(c"XDG_CURRENT_DESKTOP".as_ptr()); - if ptr.is_null() { - "Unknown" - } else { - let s = CStr::from_ptr(ptr).to_str().unwrap_or("Unknown"); - s.strip_prefix("none+").unwrap_or(s) + // Retrieve the environment variables and handle Result types + let desktop_env = std::env::var("XDG_CURRENT_DESKTOP"); + let display_backend_result = std::env::var("XDG_SESSION_TYPE"); + + // Capitalize the first letter of the display backend value + let mut display_backend = display_backend_result.unwrap_or_default(); + if let Some(c) = display_backend.as_mut_str().get_mut(0..1) { + c.make_ascii_uppercase(); } - }; - let backend_str = unsafe { - let ptr = libc::getenv(c"XDG_SESSION_TYPE".as_ptr()); - if ptr.is_null() { - "Unknown" + // Trim "none+" from the start of desktop_env if present + // Use "Unknown" if desktop_env is empty or has an error + let desktop_env = match desktop_env { + Err(_) => "Unknown".to_string(), + Ok(s) => s.trim_start_matches("none+").to_string(), + }; + + // Handle the case where display_backend might be empty after capitalization + let display_backend = if display_backend.is_empty() { + "Unknown" } else { - let s = CStr::from_ptr(ptr).to_str().unwrap_or("Unknown"); - if s.is_empty() { "Unknown" } else { s } + &display_backend } - }; + .to_string(); - // Pre-calculate capacity: desktop_len + " (" + backend_len + ")" - // Capitalize first char needs temporary allocation only if backend exists - let mut result = - String::with_capacity(desktop_str.len() + backend_str.len() + 3); - result.push_str(desktop_str); - result.push_str(" ("); - - // Capitalize first character of backend - if let Some(first_char) = backend_str.chars().next() { - let _ = write!(result, "{}", first_char.to_ascii_uppercase()); - result.push_str(&backend_str[first_char.len_utf8()..]); - } - - result.push(')'); - result + format!("{desktop_env} ({display_backend})") } diff --git a/src/lib.rs b/src/lib.rs index 1e0f9f3..4ba33f8 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -1,46 +1,5 @@ pub mod colors; pub mod desktop; pub mod release; -pub mod syscall; pub mod system; pub mod uptime; - -use std::mem::MaybeUninit; - -/// Wrapper for `libc::utsname` with safe accessor methods -pub struct UtsName(libc::utsname); - -impl UtsName { - /// Calls `uname` syscall and returns a `UtsName` wrapper - /// - /// # Errors - /// - /// Returns an error if the `uname` syscall fails - pub fn uname() -> Result { - let mut uts = MaybeUninit::uninit(); - if unsafe { libc::uname(uts.as_mut_ptr()) } != 0 { - return Err(std::io::Error::last_os_error()); - } - Ok(Self(unsafe { uts.assume_init() })) - } - - #[must_use] - pub const fn nodename(&self) -> &std::ffi::CStr { - unsafe { std::ffi::CStr::from_ptr(self.0.nodename.as_ptr()) } - } - - #[must_use] - pub const fn sysname(&self) -> &std::ffi::CStr { - unsafe { std::ffi::CStr::from_ptr(self.0.sysname.as_ptr()) } - } - - #[must_use] - pub const fn release(&self) -> &std::ffi::CStr { - unsafe { std::ffi::CStr::from_ptr(self.0.release.as_ptr()) } - } - - #[must_use] - pub const fn machine(&self) -> &std::ffi::CStr { - unsafe { std::ffi::CStr::from_ptr(self.0.machine.as_ptr()) } - } -} diff --git a/src/main.rs b/src/main.rs index e29d6d1..0ea1672 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,112 +1,89 @@ mod colors; mod desktop; mod release; -mod syscall; mod system; mod uptime; -use std::io::{self, Cursor, Write}; +use crate::colors::print_dots; +use crate::desktop::get_desktop_info; +use crate::release::{get_os_pretty_name, get_system_info}; +use crate::system::{get_memory_usage, get_root_disk_usage, get_shell, get_username_and_hostname}; +use crate::uptime::get_current; +use color_eyre::Report; +use std::io::Write; -pub use microfetch_lib::UtsName; +fn main() -> Result<(), Report> { + color_eyre::install()?; -use crate::{ - colors::print_dots, - desktop::get_desktop_info, - release::{get_os_pretty_name, get_system_info}, - system::{ - get_memory_usage, - get_root_disk_usage, - get_shell, - get_username_and_hostname, - }, - uptime::get_current, -}; + let args: Vec = std::env::args().collect(); + if args.len() > 1 && args[1] == "--version" { + println!("Microfetch {}", env!("CARGO_PKG_VERSION")); + } else { + let utsname = nix::sys::utsname::uname()?; + let fields = Fields { + user_info: get_username_and_hostname(&utsname), + os_name: get_os_pretty_name()?, + kernel_version: get_system_info(&utsname)?, + shell: get_shell(), + desktop: get_desktop_info(), + uptime: get_current()?, + memory_usage: get_memory_usage()?, + storage: get_root_disk_usage()?, + colors: print_dots(), + }; + print_system_info(&fields); + } -#[cfg_attr(feature = "hotpath", hotpath::main)] -fn main() -> Result<(), Box> { - if Some("--version") == std::env::args().nth(1).as_deref() { - println!("Microfetch {}", env!("CARGO_PKG_VERSION")); - } else { - let utsname = UtsName::uname()?; - let fields = Fields { - user_info: get_username_and_hostname(&utsname), - os_name: get_os_pretty_name()?, - kernel_version: get_system_info(&utsname), - shell: get_shell(), - desktop: get_desktop_info(), - uptime: get_current()?, - memory_usage: get_memory_usage()?, - storage: get_root_disk_usage()?, - colors: print_dots(), - }; - print_system_info(&fields)?; - } - - Ok(()) + Ok(()) } -// Struct to hold all the fields we need in order to print the fetch. This -// helps avoid Clippy warnings about argument count, and makes it slightly -// easier to pass data around. Though, it is not like we really need to. +// Struct to hold all the fields we need to print +// helps avoid clippy warnings about argument count +// and makes it easier to pass around, though its +// not like we need to struct Fields { - user_info: String, - os_name: String, - kernel_version: String, - shell: String, - uptime: String, - desktop: String, - memory_usage: String, - storage: String, - colors: String, + user_info: String, + os_name: String, + kernel_version: String, + shell: String, + uptime: String, + desktop: String, + memory_usage: String, + storage: String, + colors: String, } -#[cfg_attr(feature = "hotpath", hotpath::measure)] -fn print_system_info( - fields: &Fields, -) -> Result<(), Box> { - use crate::colors::COLORS; +fn print_system_info(fields: &Fields) { + use crate::colors::COLORS; - let Fields { - user_info, - os_name, - kernel_version, - shell, - uptime, - desktop, - memory_usage, - storage, - colors, - } = fields; + let Fields { + user_info, + os_name, + kernel_version, + shell, + uptime, + desktop, + memory_usage, + storage, + colors, + } = fields; - let cyan = COLORS.cyan; - let blue = COLORS.blue; - let reset = COLORS.reset; + let cyan = COLORS.cyan; + let blue = COLORS.blue; + let reset = COLORS.reset; + let system_info = format!(" + {cyan} ▟█▖ {blue}▝█▙ ▗█▛ {user_info} ~{reset} + {cyan} ▗▄▄▟██▄▄▄▄▄{blue}▝█▙█▛ {cyan}▖ {cyan} {blue}System{reset}  {os_name} + {cyan} ▀▀▀▀▀▀▀▀▀▀▀▘{blue}▝██ {cyan}▟█▖ {cyan} {blue}Kernel{reset}  {kernel_version} + {blue} ▟█▛ {blue}▝█▘{cyan}▟█▛ {cyan} {blue}Shell{reset}  {shell} + {blue}▟█████▛ {cyan}▟█████▛ {cyan} {blue}Uptime{reset}  {uptime} + {blue} ▟█▛{cyan}▗█▖ {cyan}▟█▛ {cyan} {blue}Desktop{reset}  {desktop} + {blue} ▝█▛ {cyan}██▖{blue}▗▄▄▄▄▄▄▄▄▄▄▄ {cyan}󰍛 {blue}Memory{reset}  {memory_usage} + {blue} ▝ {cyan}▟█▜█▖{blue}▀▀▀▀▀██▛▀▀▘ {cyan}󱥎 {blue}Storage (/){reset}  {storage} + {cyan} ▟█▘ ▜█▖ {blue}▝█▛ {cyan} {blue}Colors{reset}  {colors}"); - let mut buf = [0u8; 2048]; - let mut cursor = Cursor::new(&mut buf[..]); - - write!( - cursor, - " - {cyan} ▟█▖ {blue}▝█▙ ▗█▛ {user_info} ~{reset} - {cyan} ▗▄▄▟██▄▄▄▄▄{blue}▝█▙█▛ {cyan}▖ {cyan} {blue}System{reset}  {os_name} - {cyan} ▀▀▀▀▀▀▀▀▀▀▀▘{blue}▝██ {cyan}▟█▖ {cyan} {blue}Kernel{reset}  {kernel_version} - {blue} ▟█▛ {blue}▝█▘{cyan}▟█▛ {cyan} {blue}Shell{reset}  {shell} - {blue}▟█████▛ {cyan}▟█████▛ {cyan} {blue}Uptime{reset}  {uptime} - {blue} ▟█▛{cyan}▗█▖ {cyan}▟█▛ {cyan} {blue}Desktop{reset}  {desktop} - {blue} ▝█▛ {cyan}██▖{blue}▗▄▄▄▄▄▄▄▄▄▄▄ {cyan}󰍛 {blue}Memory{reset}  {memory_usage} - {blue} ▝ {cyan}▟█▜█▖{blue}▀▀▀▀▀██▛▀▀▘ {cyan}󱥎 {blue}Storage (/){reset}  {storage} - {cyan} ▟█▘ ▜█▖ {blue}▝█▛ {cyan} {blue}Colors{reset}  {colors}\n\n" - )?; - - let len = cursor.position() as usize; - // Direct syscall to avoid stdout buffering allocation - let written = unsafe { libc::write(libc::STDOUT_FILENO, buf.as_ptr().cast(), len) }; - if written < 0 { - return Err(io::Error::last_os_error().into()); - } - if written as usize != len { - return Err(io::Error::new(io::ErrorKind::WriteZero, "partial write to stdout").into()); - } - Ok(()) + std::io::stdout() + .lock() + .write_all(system_info.as_bytes()) + .expect("Failed to write to stdout"); } diff --git a/src/release.rs b/src/release.rs index 8d3232e..c0036fb 100644 --- a/src/release.rs +++ b/src/release.rs @@ -1,69 +1,35 @@ -use std::{fmt::Write as _, io}; +use color_eyre::Result; +use nix::sys::utsname::UtsName; +use std::{ + fs::File, + io::{self, BufRead, BufReader}, +}; -use crate::{UtsName, syscall::read_file_fast}; - -#[must_use] -#[cfg_attr(feature = "hotpath", hotpath::measure)] -pub fn get_system_info(utsname: &UtsName) -> String { - let sysname = utsname.sysname().to_str().unwrap_or("Unknown"); - let release = utsname.release().to_str().unwrap_or("Unknown"); - let machine = utsname.machine().to_str().unwrap_or("Unknown"); - - // Pre-allocate capacity: sysname + " " + release + " (" + machine + ")" - let capacity = sysname.len() + 1 + release.len() + 2 + machine.len() + 1; - let mut result = String::with_capacity(capacity); - - write!(result, "{sysname} {release} ({machine})").unwrap(); - result +pub fn get_system_info(utsname: &UtsName) -> nix::Result { + Ok(format!( + "{} {} ({})", + utsname.sysname().to_str().unwrap_or("Unknown"), + utsname.release().to_str().unwrap_or("Unknown"), + utsname.machine().to_str().unwrap_or("Unknown") + )) } -/// Gets the pretty name of the OS from `/etc/os-release`. -/// -/// # Errors -/// -/// Returns an error if `/etc/os-release` cannot be read. -#[cfg_attr(feature = "hotpath", hotpath::measure)] pub fn get_os_pretty_name() -> Result { - // Fast byte-level scanning for PRETTY_NAME= - const PREFIX: &[u8] = b"PRETTY_NAME="; + let file = File::open("/etc/os-release")?; + let reader = BufReader::new(file); - let mut buffer = [0u8; 1024]; - - // Use fast syscall-based file reading - let bytes_read = read_file_fast("/etc/os-release", &mut buffer)?; - let content = &buffer[..bytes_read]; - - let mut offset = 0; - - while offset < content.len() { - let remaining = &content[offset..]; - - // Find newline or end - let line_end = remaining - .iter() - .position(|&b| b == b'\n') - .unwrap_or(remaining.len()); - let line = &remaining[..line_end]; - - if line.starts_with(PREFIX) { - let value = &line[PREFIX.len()..]; - - // Strip quotes if present - let trimmed = if value.len() >= 2 - && value[0] == b'"' - && value[value.len() - 1] == b'"' - { - &value[1..value.len() - 1] - } else { - value - }; - - // Convert to String - should be valid UTF-8 - return Ok(String::from_utf8_lossy(trimmed).into_owned()); + for line in reader.lines() { + let line = line?; + if let Some(pretty_name) = line.strip_prefix("PRETTY_NAME=") { + if let Some(trimmed) = pretty_name + .strip_prefix('"') + .and_then(|s| s.strip_suffix('"')) + { + return Ok(trimmed.to_string()); + } + return Ok(pretty_name.to_string()); + } } - offset += line_end + 1; - } - - Ok("Unknown".to_owned()) + Ok("Unknown".to_string()) } diff --git a/src/syscall.rs b/src/syscall.rs deleted file mode 100644 index 0c8634b..0000000 --- a/src/syscall.rs +++ /dev/null @@ -1,210 +0,0 @@ -//! Incredibly fast syscall wrappers for using inline assembly. Serves the -//! purposes of completely bypassing Rust's standard library in favor of -//! handwritten Assembly. Is this a good idea? No. Is it fast? Yeah, but only -//! marginally. Either way it serves a purpose and I will NOT accept criticism. -//! What do you mean I wasted two whole hours to make the program only 100µs -//! faster? -//! -//! Supports `x86_64` and `aarch64` architectures. Riscv support will be -//! implemented when and ONLY WHEN I can be bothered to work on it. - -use std::io; - -/// Direct syscall to open a file -/// -/// # Returns -/// -/// File descriptor or -1 on error -/// -/// # Safety -/// -/// The caller must ensure: -/// -/// - `path` points to a valid null-terminated C string -/// - The pointer remains valid for the duration of the syscall -#[inline] -#[must_use] -pub unsafe fn sys_open(path: *const u8, flags: i32) -> i32 { - #[cfg(target_arch = "x86_64")] - unsafe { - let fd: i64; - std::arch::asm!( - "syscall", - in("rax") 2i64, // SYS_open - in("rdi") path, - in("rsi") flags, - in("rdx") 0i32, // mode (not used for reading) - lateout("rax") fd, - lateout("rcx") _, - lateout("r11") _, - options(nostack) - ); - #[allow(clippy::cast_possible_truncation)] - { - fd as i32 - } - } - #[cfg(target_arch = "aarch64")] - unsafe { - let fd: i64; - std::arch::asm!( - "svc #0", - in("x8") 56i64, // SYS_openat - in("x0") -100i32, // AT_FDCWD - in("x1") path, - in("x2") flags, - in("x3") 0i32, // mode - lateout("x0") fd, - options(nostack) - ); - #[allow(clippy::cast_possible_truncation)] - { - fd as i32 - } - } - #[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))] - { - compile_error!("Unsupported architecture for inline assembly syscalls"); - } -} - -/// Direct syscall to read from a file descriptor -/// -/// # Returns n -/// -/// Number of bytes read or -1 on error -/// -/// # Safety -/// -/// The caller must ensure: -/// - `buf` points to a valid writable buffer of at least `count` bytes -/// - `fd` is a valid open file descriptor -#[inline] -pub unsafe fn sys_read(fd: i32, buf: *mut u8, count: usize) -> isize { - #[cfg(target_arch = "x86_64")] - unsafe { - let ret: i64; - std::arch::asm!( - "syscall", - in("rax") 0i64, // SYS_read - in("rdi") fd, - in("rsi") buf, - in("rdx") count, - lateout("rax") ret, - lateout("rcx") _, - lateout("r11") _, - options(nostack) - ); - #[allow(clippy::cast_possible_truncation)] - { - ret as isize - } - } - #[cfg(target_arch = "aarch64")] - unsafe { - let ret: i64; - std::arch::asm!( - "svc #0", - in("x8") 63i64, // SYS_read - in("x0") fd, - in("x1") buf, - in("x2") count, - lateout("x0") ret, - options(nostack) - ); - #[allow(clippy::cast_possible_truncation)] - { - ret as isize - } - } - #[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))] - { - compile_error!("Unsupported architecture for inline assembly syscalls"); - } -} - -/// Direct syscall to close a file descriptor -/// -/// # Safety -/// -/// The caller must ensure `fd` is a valid open file descriptor -#[inline] -#[must_use] -pub unsafe fn sys_close(fd: i32) -> i32 { - #[cfg(target_arch = "x86_64")] - unsafe { - let ret: i64; - std::arch::asm!( - "syscall", - in("rax") 3i64, // SYS_close - in("rdi") fd, - lateout("rax") ret, - lateout("rcx") _, - lateout("r11") _, - options(nostack) - ); - #[allow(clippy::cast_possible_truncation)] - { - ret as i32 - } - } - #[cfg(target_arch = "aarch64")] - unsafe { - let ret: i64; - std::arch::asm!( - "svc #0", - in("x8") 57i64, // SYS_close - in("x0") fd, - lateout("x0") ret, - options(nostack) - ); - #[allow(clippy::cast_possible_truncation)] - { - ret as i32 - } - } - #[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))] - { - compile_error!("Unsupported architecture for inline assembly syscalls"); - } -} - -/// Read entire file using direct syscalls. This avoids libc overhead and can be -/// significantly faster for small files. -/// -/// # Errors -/// -/// Returns an error if the file cannot be opened or read -#[inline] -pub fn read_file_fast(path: &str, buffer: &mut [u8]) -> io::Result { - const O_RDONLY: i32 = 0; - - // Use stack-allocated buffer for null-terminated path (max 256 bytes) - let path_bytes = path.as_bytes(); - if path_bytes.len() >= 256 { - return Err(io::Error::new(io::ErrorKind::InvalidInput, "Path too long")); - } - - let mut path_buf = [0u8; 256]; - path_buf[..path_bytes.len()].copy_from_slice(path_bytes); - // XXX: Already zero-terminated since array is initialized to zeros - - unsafe { - let fd = sys_open(path_buf.as_ptr(), O_RDONLY); - if fd < 0 { - return Err(io::Error::last_os_error()); - } - - let bytes_read = sys_read(fd, buffer.as_mut_ptr(), buffer.len()); - let _ = sys_close(fd); - - if bytes_read < 0 { - return Err(io::Error::last_os_error()); - } - - #[allow(clippy::cast_sign_loss)] - { - Ok(bytes_read as usize) - } - } -} diff --git a/src/system.rs b/src/system.rs index ba8fe79..11a72d9 100644 --- a/src/system.rs +++ b/src/system.rs @@ -1,184 +1,81 @@ -use std::{ffi::CStr, fmt::Write as _, io, mem::MaybeUninit}; +use crate::colors::COLORS; +use color_eyre::Result; +use nix::sys::{statvfs::statvfs, utsname::UtsName}; +use std::{ + env, + fs::File, + io::{self, Read}, +}; -use crate::{UtsName, colors::COLORS, syscall::read_file_fast}; - -#[must_use] -#[cfg_attr(feature = "hotpath", hotpath::measure)] pub fn get_username_and_hostname(utsname: &UtsName) -> String { - let username = unsafe { - let ptr = libc::getenv(c"USER".as_ptr()); - if ptr.is_null() { - "unknown_user" - } else { - CStr::from_ptr(ptr).to_str().unwrap_or("unknown_user") - } - }; - let hostname = utsname.nodename().to_str().unwrap_or("unknown_host"); - - let capacity = COLORS.yellow.len() - + username.len() - + COLORS.red.len() - + 1 - + COLORS.green.len() - + hostname.len() - + COLORS.reset.len(); - let mut result = String::with_capacity(capacity); - - result.push_str(COLORS.yellow); - result.push_str(username); - result.push_str(COLORS.red); - result.push('@'); - result.push_str(COLORS.green); - result.push_str(hostname); - result.push_str(COLORS.reset); - - result + let username = env::var("USER").unwrap_or("unknown_user".to_string()); + let hostname = utsname + .nodename() + .to_str() + .unwrap_or("unknown_host") + .to_string(); + format!( + "{yellow}{username}{red}@{green}{hostname}{reset}", + yellow = COLORS.yellow, + red = COLORS.red, + green = COLORS.green, + reset = COLORS.reset, + ) } -#[must_use] -#[cfg_attr(feature = "hotpath", hotpath::measure)] pub fn get_shell() -> String { - unsafe { - let ptr = libc::getenv(c"SHELL".as_ptr()); - if ptr.is_null() { - return "unknown_shell".into(); - } - - let bytes = CStr::from_ptr(ptr).to_bytes(); - let start = bytes.iter().rposition(|&b| b == b'/').map_or(0, |i| i + 1); - let name = std::str::from_utf8_unchecked(&bytes[start..]); - name.into() - } + let shell_path = env::var("SHELL").unwrap_or("unknown_shell".to_string()); + let shell_name = shell_path.rsplit('/').next().unwrap_or("unknown_shell"); + shell_name.to_string() } -/// Gets the root disk usage information. -/// -/// # Errors -/// -/// Returns an error if the filesystem information cannot be retrieved. -#[cfg_attr(feature = "hotpath", hotpath::measure)] -#[allow(clippy::cast_precision_loss)] pub fn get_root_disk_usage() -> Result { - let mut vfs = MaybeUninit::uninit(); - let path = b"/\0"; - - if unsafe { libc::statvfs(path.as_ptr().cast(), vfs.as_mut_ptr()) } != 0 { - return Err(io::Error::last_os_error()); - } - - let vfs = unsafe { vfs.assume_init() }; - let block_size = vfs.f_bsize; - let total_blocks = vfs.f_blocks; - let available_blocks = vfs.f_bavail; - - let total_size = block_size * total_blocks; - let used_size = total_size - (block_size * available_blocks); - - let total_size = total_size as f64 / (1024.0 * 1024.0 * 1024.0); - let used_size = used_size as f64 / (1024.0 * 1024.0 * 1024.0); - let usage = (used_size / total_size) * 100.0; - - let mut result = String::with_capacity(64); - write!( - result, - "{used_size:.2} GiB / {total_size:.2} GiB ({cyan}{usage:.0}%{reset})", - cyan = COLORS.cyan, - reset = COLORS.reset, - ) - .unwrap(); - - Ok(result) + let vfs = statvfs("/")?; + let block_size = vfs.block_size() as u64; + let total_blocks = vfs.blocks(); + let available_blocks = vfs.blocks_available(); + let total_size = block_size * total_blocks; + let used_size = total_size - (block_size * available_blocks); + let total_size = total_size as f64 / (1024.0 * 1024.0 * 1024.0); + let used_size = used_size as f64 / (1024.0 * 1024.0 * 1024.0); + let usage = (used_size / total_size) * 100.0; + Ok(format!( + "{used_size:.2} GiB / {total_size:.2} GiB ({cyan}{usage:.0}%{reset})", + cyan = COLORS.cyan, + reset = COLORS.reset, + )) } -/// Fast integer parsing without stdlib overhead -#[inline] -fn parse_u64_fast(s: &[u8]) -> u64 { - let mut result = 0u64; - for &byte in s { - if byte.is_ascii_digit() { - result = result * 10 + u64::from(byte - b'0'); - } else { - break; - } - } - result -} - -/// Gets the system memory usage information. -/// -/// # Errors -/// -/// Returns an error if `/proc/meminfo` cannot be read. -#[cfg_attr(feature = "hotpath", hotpath::measure)] pub fn get_memory_usage() -> Result { - #[cfg_attr(feature = "hotpath", hotpath::measure)] - fn parse_memory_info() -> Result<(f64, f64), io::Error> { - let mut total_memory_kb = 0u64; - let mut available_memory_kb = 0u64; - let mut buffer = [0u8; 1024]; - - // Use fast syscall-based file reading - let bytes_read = read_file_fast("/proc/meminfo", &mut buffer)?; - let meminfo = &buffer[..bytes_read]; - - // Fast scanning for MemTotal and MemAvailable - let mut offset = 0; - let mut found_total = false; - let mut found_available = false; - - while offset < meminfo.len() && (!found_total || !found_available) { - let remaining = &meminfo[offset..]; - - // Find newline or end - let line_end = remaining - .iter() - .position(|&b| b == b'\n') - .unwrap_or(remaining.len()); - let line = &remaining[..line_end]; - - if line.starts_with(b"MemTotal:") { - // Skip "MemTotal:" and whitespace - let mut pos = 9; - while pos < line.len() && line[pos].is_ascii_whitespace() { - pos += 1; + #[inline(always)] + fn parse_memory_info() -> Result<(f64, f64), io::Error> { + let mut total_memory_kb = 0.0; + let mut available_memory_kb = 0.0; + let mut meminfo = String::with_capacity(2048); + File::open("/proc/meminfo")?.read_to_string(&mut meminfo)?; + for line in meminfo.lines() { + let mut split = line.split_whitespace(); + match split.next().unwrap_or_default() { + "MemTotal:" => total_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0), + "MemAvailable:" => { + available_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0); + // MemTotal comes before MemAvailable, stop parsing + break; + } + _ => (), + } } - total_memory_kb = parse_u64_fast(&line[pos..]); - found_total = true; - } else if line.starts_with(b"MemAvailable:") { - // Skip "MemAvailable:" and whitespace - let mut pos = 13; - while pos < line.len() && line[pos].is_ascii_whitespace() { - pos += 1; - } - available_memory_kb = parse_u64_fast(&line[pos..]); - found_available = true; - } - - offset += line_end + 1; + let total_memory_gb = total_memory_kb / 1024.0 / 1024.0; + let available_memory_gb = available_memory_kb / 1024.0 / 1024.0; + let used_memory_gb = total_memory_gb - available_memory_gb; + Ok((used_memory_gb, total_memory_gb)) } - #[allow(clippy::cast_precision_loss)] - let total_memory_gb = total_memory_kb as f64 / 1024.0 / 1024.0; - #[allow(clippy::cast_precision_loss)] - let available_memory_gb = available_memory_kb as f64 / 1024.0 / 1024.0; - let used_memory_gb = total_memory_gb - available_memory_gb; - - Ok((used_memory_gb, total_memory_gb)) - } - - let (used_memory, total_memory) = parse_memory_info()?; - #[allow(clippy::cast_possible_truncation, clippy::cast_sign_loss)] - let percentage_used = (used_memory / total_memory * 100.0).round() as u64; - - let mut result = String::with_capacity(64); - write!( - result, - "{used_memory:.2} GiB / {total_memory:.2} GiB \ - ({cyan}{percentage_used}%{reset})", - cyan = COLORS.cyan, - reset = COLORS.reset, - ) - .unwrap(); - - Ok(result) + let (used_memory, total_memory) = parse_memory_info()?; + let percentage_used = (used_memory / total_memory * 100.0).round() as u64; + Ok(format!( + "{used_memory:.2} GiB / {total_memory:.2} GiB ({cyan}{percentage_used}%{reset})", + cyan = COLORS.cyan, + reset = COLORS.reset, + )) } diff --git a/src/uptime.rs b/src/uptime.rs index 095af7d..6c44640 100644 --- a/src/uptime.rs +++ b/src/uptime.rs @@ -1,114 +1,26 @@ -use std::{io, mem::MaybeUninit}; +use color_eyre::Result; +use nix::sys::sysinfo::sysinfo; +use std::io; -/// Faster integer to string conversion without the formatting overhead. -#[inline] -fn itoa(mut n: u64, buf: &mut [u8]) -> &str { - if n == 0 { - return "0"; - } - - let mut i = buf.len(); - while n > 0 { - i -= 1; - buf[i] = b'0' + (n % 10) as u8; - n /= 10; - } - - unsafe { std::str::from_utf8_unchecked(&buf[i..]) } -} - -/// Direct `sysinfo` syscall using inline assembly -/// -/// # Safety -/// -/// This function uses inline assembly to make a direct syscall. -/// The caller must ensure the sysinfo pointer is valid. -#[inline] -unsafe fn sys_sysinfo(info: *mut libc::sysinfo) -> i64 { - #[cfg(target_arch = "x86_64")] - { - let ret: i64; - unsafe { - std::arch::asm!( - "syscall", - in("rax") 99_i64, // __NR_sysinfo - in("rdi") info, - out("rcx") _, - out("r11") _, - lateout("rax") ret, - options(nostack) - ); - } - ret - } - - #[cfg(target_arch = "aarch64")] - { - let ret: i64; - unsafe { - std::arch::asm!( - "svc #0", - in("x8") 179_i64, // __NR_sysinfo - in("x0") info, - lateout("x0") ret, - options(nostack) - ); - } - ret - } - - #[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))] - { - unsafe { libc::sysinfo(info) as i64 } - } -} - -/// Gets the current system uptime. -/// -/// # Errors -/// -/// Returns an error if the system uptime cannot be retrieved. -#[cfg_attr(feature = "hotpath", hotpath::measure)] pub fn get_current() -> Result { - let uptime_seconds = { - let mut info = MaybeUninit::uninit(); - if unsafe { sys_sysinfo(info.as_mut_ptr()) } != 0 { - return Err(io::Error::last_os_error()); - } - #[allow(clippy::cast_sign_loss)] - unsafe { - info.assume_init().uptime as u64 - } - }; + let info = sysinfo().map_err(|e| io::Error::new(io::ErrorKind::Other, e))?; + let uptime_seconds = info.uptime().as_secs_f64(); - let days = uptime_seconds / 86400; - let hours = (uptime_seconds / 3600) % 24; - let minutes = (uptime_seconds / 60) % 60; + let total_minutes = (uptime_seconds / 60.0).round() as u64; + let days = total_minutes / (60 * 24); + let hours = (total_minutes % (60 * 24)) / 60; + let minutes = total_minutes % 60; - let mut result = String::with_capacity(32); - let mut buf = [0u8; 20]; // Enough for u64::MAX - - if days > 0 { - result.push_str(itoa(days, &mut buf)); - result.push_str(if days == 1 { " day" } else { " days" }); - } - if hours > 0 { - if !result.is_empty() { - result.push_str(", "); + let mut parts = Vec::with_capacity(3); + if days > 0 { + parts.push(format!("{days} days")); } - result.push_str(itoa(hours, &mut buf)); - result.push_str(if hours == 1 { " hour" } else { " hours" }); - } - if minutes > 0 { - if !result.is_empty() { - result.push_str(", "); + if hours > 0 || days > 0 { + parts.push(format!("{hours} hours")); + } + if minutes > 0 || hours > 0 || days > 0 { + parts.push(format!("{minutes} minutes")); } - result.push_str(itoa(minutes, &mut buf)); - result.push_str(if minutes == 1 { " minute" } else { " minutes" }); - } - if result.is_empty() { - result.push_str("less than a minute"); - } - Ok(result) + Ok(parts.join(", ")) }