mirror of
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Compare commits
No commits in common. "main" and "v0.4.9" have entirely different histories.
24 changed files with 384 additions and 1820 deletions
|
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@ -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"]
|
|
||||||
14
.github/dependabot.yml
vendored
14
.github/dependabot.yml
vendored
|
|
@ -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
|
|
||||||
|
|
||||||
62
.github/workflows/hotpath-comment.yml
vendored
62
.github/workflows/hotpath-comment.yml
vendored
|
|
@ -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"
|
|
||||||
65
.github/workflows/hotpath-profile.yml
vendored
65
.github/workflows/hotpath-profile.yml
vendored
|
|
@ -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
|
|
||||||
45
.github/workflows/rust.yml
vendored
45
.github/workflows/rust.yml
vendored
|
|
@ -10,45 +10,12 @@ env:
|
||||||
CARGO_TERM_COLOR: always
|
CARGO_TERM_COLOR: always
|
||||||
|
|
||||||
jobs:
|
jobs:
|
||||||
test:
|
build:
|
||||||
name: Test on ${{ matrix.target }}
|
|
||||||
runs-on: ${{ matrix.os }}
|
runs-on: ubuntu-latest
|
||||||
strategy:
|
|
||||||
fail-fast: false
|
|
||||||
matrix:
|
|
||||||
include:
|
|
||||||
- os: ubuntu-latest
|
|
||||||
target: x86_64-unknown-linux-gnu
|
|
||||||
- os: ubuntu-latest
|
|
||||||
target: aarch64-unknown-linux-gnu
|
|
||||||
|
|
||||||
steps:
|
steps:
|
||||||
- name: "Checkout"
|
- name: "Checkout"
|
||||||
uses: actions/checkout@v6
|
uses: actions/checkout@v4
|
||||||
|
- name: "Build with Cargo"
|
||||||
- name: "Setup Rust toolchain"
|
run: cargo build --verbose
|
||||||
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 }}
|
|
||||||
|
|
|
||||||
1
.gitignore
vendored
1
.gitignore
vendored
|
|
@ -1,3 +1,2 @@
|
||||||
/target
|
/target
|
||||||
result*
|
result*
|
||||||
/.direnv
|
|
||||||
|
|
|
||||||
|
|
@ -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
|
|
||||||
13
.taplo.toml
13
.taplo.toml
|
|
@ -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
|
|
||||||
578
Cargo.lock
generated
578
Cargo.lock
generated
|
|
@ -11,95 +11,24 @@ dependencies = [
|
||||||
"memchr",
|
"memchr",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "alloca"
|
|
||||||
version = "0.4.0"
|
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
||||||
checksum = "e5a7d05ea6aea7e9e64d25b9156ba2fee3fdd659e34e41063cd2fc7cd020d7f4"
|
|
||||||
dependencies = [
|
|
||||||
"cc",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "anes"
|
name = "anes"
|
||||||
version = "0.1.6"
|
version = "0.1.6"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
|
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]]
|
[[package]]
|
||||||
name = "anstyle"
|
name = "anstyle"
|
||||||
version = "1.0.10"
|
version = "1.0.10"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
|
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"
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "autocfg"
|
name = "autocfg"
|
||||||
version = "1.4.0"
|
version = "1.4.0"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
|
checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "base64"
|
|
||||||
version = "0.22.1"
|
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
||||||
checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "bitflags"
|
name = "bitflags"
|
||||||
version = "2.9.0"
|
version = "2.9.0"
|
||||||
|
|
@ -112,28 +41,12 @@ version = "3.17.0"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
|
checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "byteorder"
|
|
||||||
version = "1.5.0"
|
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
||||||
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||||||
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|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
||||||
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|
||||||
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|
||||||
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|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
|
||||||
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|
||||||
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|
||||||
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|
|
||||||
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|
|
||||||
"hermit-abi",
|
|
||||||
"libc",
|
|
||||||
"windows-sys 0.61.2",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "is_terminal_polyfill"
|
|
||||||
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|
|
||||||
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|
|
||||||
checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
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|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
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|
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|
||||||
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|
version = "0.13.0"
|
||||||
|
|
@ -532,27 +225,11 @@ dependencies = [
|
||||||
"wasm-bindgen",
|
"wasm-bindgen",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
|
||||||
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|
||||||
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|
||||||
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|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
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|
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|
||||||
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|
||||||
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||||||
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||||||
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|
||||||
[[package]]
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|
||||||
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|
||||||
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|
||||||
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||||||
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|
|
||||||
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|
|
||||||
"bitflags",
|
|
||||||
"libc",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "log"
|
name = "log"
|
||||||
|
|
@ -560,12 +237,6 @@ version = "0.4.27"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
|
||||||
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|
|
||||||
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|
||||||
checksum = "dae608c151f68243f2b000364e1f7b186d9c29845f7d2d85bd31b9ad77ad552b"
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|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
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|
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|
||||||
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|
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|
||||||
|
|
@ -574,10 +245,22 @@ checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
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||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
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|
||||||
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|
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|
||||||
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|
dependencies = [
|
||||||
"criterion",
|
"criterion",
|
||||||
"hotpath",
|
"libc",
|
||||||
|
"nix",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "nix"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"cfg-if",
|
||||||
|
"cfg_aliases",
|
||||||
"libc",
|
"libc",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
|
@ -596,40 +279,12 @@ version = "1.21.3"
|
||||||
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|
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||||||
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checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
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||||||
|
|
||||||
[[package]]
|
|
||||||
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|
|
||||||
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|
|
||||||
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|
||||||
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|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
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|
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|
||||||
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|
||||||
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||||||
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||||||
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|
||||||
[[package]]
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|
||||||
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|
||||||
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|
||||||
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|
||||||
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|
||||||
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|
|
||||||
"libc",
|
|
||||||
"winapi",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "pin-project-lite"
|
|
||||||
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|
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
||||||
checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "pin-utils"
|
|
||||||
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|
|
||||||
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|
||||||
checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
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|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
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|
name = "plotters"
|
||||||
version = "0.3.7"
|
version = "0.3.7"
|
||||||
|
|
@ -658,19 +313,6 @@ dependencies = [
|
||||||
"plotters-backend",
|
"plotters-backend",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "prettytable-rs"
|
|
||||||
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|
|
||||||
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|
||||||
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|
||||||
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|
|
||||||
"encode_unicode",
|
|
||||||
"is-terminal",
|
|
||||||
"lazy_static",
|
|
||||||
"term",
|
|
||||||
"unicode-width",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "proc-macro2"
|
name = "proc-macro2"
|
||||||
version = "1.0.94"
|
version = "1.0.94"
|
||||||
|
|
@ -680,21 +322,6 @@ dependencies = [
|
||||||
"unicode-ident",
|
"unicode-ident",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "quanta"
|
|
||||||
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|
|
||||||
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|
||||||
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|
|
||||||
dependencies = [
|
|
||||||
"crossbeam-utils",
|
|
||||||
"libc",
|
|
||||||
"once_cell",
|
|
||||||
"raw-cpuid",
|
|
||||||
"wasi",
|
|
||||||
"web-sys",
|
|
||||||
"winapi",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "quote"
|
name = "quote"
|
||||||
version = "1.0.40"
|
version = "1.0.40"
|
||||||
|
|
@ -704,15 +331,6 @@ dependencies = [
|
||||||
"proc-macro2",
|
"proc-macro2",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "raw-cpuid"
|
|
||||||
version = "11.6.0"
|
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
||||||
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|
|
||||||
dependencies = [
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|
||||||
"bitflags",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "rayon"
|
name = "rayon"
|
||||||
version = "1.10.0"
|
version = "1.10.0"
|
||||||
|
|
@ -733,17 +351,6 @@ dependencies = [
|
||||||
"crossbeam-utils",
|
"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]]
|
[[package]]
|
||||||
name = "regex"
|
name = "regex"
|
||||||
version = "1.11.1"
|
version = "1.11.1"
|
||||||
|
|
@ -826,24 +433,6 @@ dependencies = [
|
||||||
"serde",
|
"serde",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "shlex"
|
|
||||||
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|
|
||||||
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|
||||||
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|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
checksum = "7a2ae44ef20feb57a68b23d846850f861394c2e02dc425a50098ae8c90267589"
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
||||||
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|
|
||||||
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|
||||||
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
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|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "syn"
|
name = "syn"
|
||||||
version = "2.0.100"
|
version = "2.0.100"
|
||||||
|
|
@ -855,49 +444,6 @@ dependencies = [
|
||||||
"unicode-ident",
|
"unicode-ident",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "term"
|
|
||||||
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|
|
||||||
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|
||||||
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|
|
||||||
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|
|
||||||
"dirs-next",
|
|
||||||
"rustversion",
|
|
||||||
"winapi",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "thiserror"
|
|
||||||
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|
||||||
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|
||||||
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|
||||||
dependencies = [
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|
||||||
"thiserror-impl",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "thiserror-impl"
|
|
||||||
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|
|
||||||
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|
||||||
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|
|
||||||
dependencies = [
|
|
||||||
"proc-macro2",
|
|
||||||
"quote",
|
|
||||||
"syn",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "tiny_http"
|
|
||||||
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|
|
||||||
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|
||||||
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|
|
||||||
dependencies = [
|
|
||||||
"ascii",
|
|
||||||
"chunked_transfer",
|
|
||||||
"httpdate",
|
|
||||||
"log",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "tinytemplate"
|
name = "tinytemplate"
|
||||||
version = "1.2.1"
|
version = "1.2.1"
|
||||||
|
|
@ -908,33 +454,12 @@ dependencies = [
|
||||||
"serde_json",
|
"serde_json",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
|
||||||
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|
|
||||||
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|
||||||
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|
|
||||||
dependencies = [
|
|
||||||
"pin-project-lite",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
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|
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|
||||||
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|
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|
||||||
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|
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|
||||||
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|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
|
||||||
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|
|
||||||
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|
||||||
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|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
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|
|
||||||
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|
|
||||||
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|
||||||
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|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "walkdir"
|
name = "walkdir"
|
||||||
version = "2.5.0"
|
version = "2.5.0"
|
||||||
|
|
@ -945,12 +470,6 @@ dependencies = [
|
||||||
"winapi-util",
|
"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]]
|
[[package]]
|
||||||
name = "wasm-bindgen"
|
name = "wasm-bindgen"
|
||||||
version = "0.2.100"
|
version = "0.2.100"
|
||||||
|
|
@ -1019,43 +538,15 @@ dependencies = [
|
||||||
"wasm-bindgen",
|
"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]]
|
[[package]]
|
||||||
name = "winapi-util"
|
name = "winapi-util"
|
||||||
version = "0.1.9"
|
version = "0.1.9"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
|
checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
|
||||||
dependencies = [
|
dependencies = [
|
||||||
"windows-sys 0.59.0",
|
"windows-sys",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "winapi-x86_64-pc-windows-gnu"
|
|
||||||
version = "0.4.0"
|
|
||||||
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"
|
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "windows-sys"
|
name = "windows-sys"
|
||||||
version = "0.59.0"
|
version = "0.59.0"
|
||||||
|
|
@ -1065,15 +556,6 @@ dependencies = [
|
||||||
"windows-targets",
|
"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]]
|
[[package]]
|
||||||
name = "windows-targets"
|
name = "windows-targets"
|
||||||
version = "0.52.6"
|
version = "0.52.6"
|
||||||
|
|
|
||||||
57
Cargo.toml
57
Cargo.toml
|
|
@ -1,6 +1,6 @@
|
||||||
[package]
|
[package]
|
||||||
name = "microfetch"
|
name = "microfetch"
|
||||||
version = "0.4.12"
|
version = "0.4.9"
|
||||||
edition = "2024"
|
edition = "2024"
|
||||||
|
|
||||||
[lib]
|
[lib]
|
||||||
|
|
@ -12,57 +12,28 @@ name = "microfetch"
|
||||||
path = "src/main.rs"
|
path = "src/main.rs"
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
hotpath = { optional = true, version = "0.9.0" }
|
nix = { version = "0.30", features = ["fs", "hostname", "feature"] }
|
||||||
libc = "0.2.178"
|
libc = "0.2"
|
||||||
|
|
||||||
[dev-dependencies]
|
[dev-dependencies]
|
||||||
criterion = "0.8.1"
|
criterion = "0.6"
|
||||||
|
|
||||||
[features]
|
|
||||||
hotpath = [ "dep:hotpath", "hotpath/hotpath" ]
|
|
||||||
hotpath-alloc = [ "hotpath/hotpath-alloc" ]
|
|
||||||
hotpath-off = [ "hotpath/hotpath-off" ]
|
|
||||||
|
|
||||||
[[bench]]
|
[[bench]]
|
||||||
|
name = "benchmark"
|
||||||
harness = false
|
harness = false
|
||||||
name = "benchmark"
|
|
||||||
|
|
||||||
[profile.dev]
|
[profile.dev]
|
||||||
opt-level = 1
|
opt-level = 3
|
||||||
|
|
||||||
[profile.release]
|
[profile.release]
|
||||||
|
strip = true
|
||||||
|
opt-level = "s"
|
||||||
|
lto = true
|
||||||
codegen-units = 1
|
codegen-units = 1
|
||||||
lto = true
|
panic = "abort"
|
||||||
opt-level = "s"
|
|
||||||
panic = "abort"
|
|
||||||
strip = true
|
|
||||||
|
|
||||||
[profile.profiler]
|
[profile.profiler]
|
||||||
debug = true
|
inherits = "release"
|
||||||
inherits = "release"
|
debug = true
|
||||||
split-debuginfo = "unpacked"
|
split-debuginfo = "unpacked"
|
||||||
strip = "none"
|
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"
|
|
||||||
|
|
|
||||||
200
README.md
200
README.md
|
|
@ -1,30 +1,17 @@
|
||||||
<!-- markdownlint-disable MD013 MD033 MD041 -->
|
|
||||||
|
|
||||||
<div align="center">
|
<div align="center">
|
||||||
<img src="https://deps.rs/repo/github/notashelf/microfetch/status.svg" alt="https://deps.rs/repo/github/notashelf/microfetch">
|
<img src="https://deps.rs/repo/github/notashelf/microfetch/status.svg" alt="https://deps.rs/repo/github/notashelf/microfetch">
|
||||||
<img src="https://img.shields.io/github/stars/notashelf/microfetch?label=stars&color=DEA584" alt="stars">
|
<!-- <img src="https://img.shields.io/github/v/release/notashelf/microfetch?display_name=tag&color=DEA584"> -->
|
||||||
|
<img src="https://img.shields.io/github/stars/notashelf/microfetch?label=stars&color=DEA584">
|
||||||
</div>
|
</div>
|
||||||
|
|
||||||
<div id="doc-begin" align="center">
|
<h1 align="center">Microfetch</h1>
|
||||||
<h1 id="header">Microfetch</h1>
|
|
||||||
<p>Microscopic fetch tool in Rust, for NixOS systems, with special emphasis on speed</p>
|
|
||||||
<br/>
|
|
||||||
<a href="#synopsis">Synopsis</a><br/>
|
|
||||||
<a href="#features">Features</a> | <a href="#motivation">Motivation</a><br/> | <a href="#benchmarks">Benchmarks</a><br/>
|
|
||||||
<a href="#installation">Installation</a>
|
|
||||||
<br/>
|
|
||||||
</div>
|
|
||||||
|
|
||||||
## Synopsis
|
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
|
||||||
[fastfetch]: https://github.com/fastfetch-cli/fastfetch
|
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
|
||||||
Stupidly small and simple, laughably fast and pretty fetch tool. Written in Rust
|
personal system, but [probably not yours](#customizing). Though, you are more
|
||||||
for speed and ease of maintainability. Runs in a _fraction of a millisecond_ and
|
than welcome to use it on your system: it's pretty [fast](#benchmarks)...
|
||||||
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)_...
|
|
||||||
|
|
||||||
<p align="center">
|
<p align="center">
|
||||||
<img
|
<img
|
||||||
|
|
@ -39,7 +26,6 @@ on your system: it is pretty _[fast](#benchmarks)_...
|
||||||
- Fast
|
- Fast
|
||||||
- Really fast
|
- Really fast
|
||||||
- Minimal dependencies
|
- Minimal dependencies
|
||||||
- Tiny binary (~370kb [^1])
|
|
||||||
- Actually really fast
|
- Actually really fast
|
||||||
- Cool NixOS logo (other, inferior, distros are not supported)
|
- Cool NixOS logo (other, inferior, distros are not supported)
|
||||||
- Reliable detection of following info:
|
- Reliable detection of following info:
|
||||||
|
|
@ -56,80 +42,41 @@ on your system: it is pretty _[fast](#benchmarks)_...
|
||||||
- Did I mention fast?
|
- Did I mention fast?
|
||||||
- Respects [`NO_COLOR` spec](https://no-color.org/)
|
- Respects [`NO_COLOR` spec](https://no-color.org/)
|
||||||
|
|
||||||
[^1]: With the Mold linker, which is enabled by default in the Flake package,
|
|
||||||
the binary size is roughly 350kb. That's nearly 20kb reduction in size :)
|
|
||||||
|
|
||||||
## Motivation
|
## Motivation
|
||||||
|
|
||||||
[Rube-Goldmark Machine]: https://en.wikipedia.org/wiki/Rube_Goldberg_machine
|
Fastfetch, as its name indicates, a very fast fetch tool written in C, however,
|
||||||
|
I am not interested in any of its additional features, such as customization,
|
||||||
|
and I very much dislike the defaults. Microfetch is my response to this problem,
|
||||||
|
a _very fast_ fetch tool that you would normally write in Bash and put in your
|
||||||
|
`~/.bashrc` but actually _really_ fast because it opts-out of all customization
|
||||||
|
options provided by Fastfetch, and is written in Rust. Why? Because I can, and
|
||||||
|
because I prefer Rust for "structured" Bash scripts.
|
||||||
|
|
||||||
Fastfetch, as its name _probably_ already hinted, is a very fast fetch tool
|
I cannot re-iterate it enough, Microfetch is _annoyingly fast_.
|
||||||
written in C. I used to use Fastfetch on my systems, but I eventually came to
|
|
||||||
the realization that I am _not interested in any of its additional features_. I
|
|
||||||
don't use Sixel, I don't change my configuration more than maybe once a year and
|
|
||||||
I don't even display most of the fields that it does. Sure the configurability
|
|
||||||
is nice and I can configure the defaults that I do not like but how often do I
|
|
||||||
really do that?
|
|
||||||
|
|
||||||
Since I already enjoy programming challenges, and don't use a fetch program that
|
|
||||||
often, I eventually came to try and answer the question _how fast can I make my
|
|
||||||
fetch script?_ It is an _even faster_ fetch tool that I would've written in Bash
|
|
||||||
and put in my `~/.bashrc` but is _actually_ incredibly fast because it opts out
|
|
||||||
of all the customization options provided by tools such as Fastfetch. Since
|
|
||||||
Fetch scripts are kind of a coming-of-age ritual for most Linux users, I've
|
|
||||||
decided to use it on my system. You also might be interested if you like the
|
|
||||||
defaults and like speed.
|
|
||||||
|
|
||||||
Ultimately, it's a small, opinionated binary with a nice size that doesn't
|
|
||||||
bother me, and incredible speed. Customization? No thank you. I cannot
|
|
||||||
re-iterate it enough, Microfetch is _annoyingly fast_. It does not, however,
|
|
||||||
solve a technical problem. The "problem" Microfetch solves is entirely
|
|
||||||
self-imposed. On the matter of _size_, the project is written in Rust, which
|
|
||||||
comes at the cost of "bloated" dependency trees and the increased build times,
|
|
||||||
but we make an extended effort to keep the dependencies minimal and build times
|
|
||||||
managable. The latter is also very easily mitigated with Nix's binary cache
|
|
||||||
systems. Since Microfetch is already in Nixpkgs, you are recommended to use it
|
|
||||||
to utilize the binary cache properly. The usage of Rust _is_ nice, however,
|
|
||||||
since it provides us with incredible tooling and a very powerful language that
|
|
||||||
allows for Microfetch to be as fast as possible. ~~Sure C could've been used
|
|
||||||
here as well, but do you think I hate myself?~~ Microfetch now features
|
|
||||||
handwritten assembly to unsafely optimize some areas. In hindsight you all
|
|
||||||
should have seen this coming. Is it faster? Yes.
|
|
||||||
|
|
||||||
Also see: [Rube-Goldmark Machine]
|
|
||||||
|
|
||||||
## Benchmarks
|
## Benchmarks
|
||||||
|
|
||||||
Below are the benchmarks that I've used to back up my claims of Microfetch's
|
The performance may be sometimes influenced by hardware-specific race
|
||||||
speed. It is fast, it is _very_ fast and that is the point of its existence. It
|
conditions, or even your kernel configuration meaning it may (at times) depend
|
||||||
_could_ be faster, and it will be. Eventually.
|
on your hardware. However, the overall trend appears to be less than 1.3ms on
|
||||||
|
any modern (2015 and after) CPU that I own. Below are the benchmarks with
|
||||||
|
Hyperfine on my desktop system. Please note that those benchmarks will not be
|
||||||
|
always kept up to date, but I will try to update the numbers as I make
|
||||||
|
Microfetch faster.
|
||||||
|
|
||||||
At this point in time, the performance may be sometimes influenced by
|
| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | Written by raf? |
|
||||||
hardware-specific race conditions or even your kernel configuration. Which means
|
| :----------- | -----------: | -------: | -------: | -------------: | --------------: |
|
||||||
that Microfetch's speed may (at times) depend on your hardware setup. However,
|
| `microfetch` | 1.0 ± 0.1 | 0.9 | 1.7 | 1.00 | yes |
|
||||||
even with the worst possible hardware I could find in my house, I've achieved a
|
| `fastfetch` | 48.6 ± 1.6 | 45.8 | 61.3 | 46.65 ± 4.75 | no |
|
||||||
nice less-than-1ms invocation time. Which is pretty good. While Microfetch
|
| `pfetch` | 206.0 ± 4.5 | 198.0 | 241.4 | 197.50 ± 19.53 | no |
|
||||||
_could_ be made faster, we're in the territory of environmental bottlenecks
|
| `neofetch` | 689.1 ± 29.1 | 637.7 | 811.2 | 660.79 ± 69.56 | no |
|
||||||
given how little Microfetch actually allocates.
|
|
||||||
|
|
||||||
Below are the actual benchmarks with Hyperfine measured on my Desktop system.
|
As far as I'm concerned, Microfetch is significantly faster than every other
|
||||||
The benchmarks were performed under medium system load, and may not be the same
|
fetch tool that I have tried. The only downsides of using Rust for the project
|
||||||
on your system. Please _also_ note that those benchmarks will not be always kept
|
(in exchange for speed and maintainability) is the slightly "bloated" dependency
|
||||||
up to date, but I will try to update the numbers as I make Microfetch faster.
|
trees, and the increased build times. The latter is very easily mitigated with
|
||||||
|
Nix's binary cache. Since Microfetch is already in Nixpkgs, you are recommended
|
||||||
| Command | Mean [µs] | Min [µs] | Max [µs] | Relative | Written by raf? |
|
to use it to utilize the binary cache properly
|
||||||
| :----------- | ----------------: | -------: | -------: | -------------: | --------------: |
|
|
||||||
| `microfetch` | 604.4 ± 64.2 | 516.0 | 1184.6 | 1.00 | Yes |
|
|
||||||
| `fastfetch` | 140836.6 ± 1258.6 | 139204.7 | 143299.4 | 233.00 ± 24.82 | No |
|
|
||||||
| `pfetch` | 177036.6 ± 1614.3 | 174199.3 | 180830.2 | 292.89 ± 31.20 | No |
|
|
||||||
| `neofetch` | 406309.9 ± 1810.0 | 402757.3 | 409526.3 | 672.20 ± 71.40 | No |
|
|
||||||
| `nitch` | 127743.7 ± 1391.7 | 123933.5 | 130451.2 | 211.34 ± 22.55 | No |
|
|
||||||
| `macchina` | 13603.7 ± 339.7 | 12642.9 | 14701.4 | 22.51 ± 2.45 | No |
|
|
||||||
|
|
||||||
The point stands that Microfetch is significantly faster than every other fetch
|
|
||||||
tool I have tried. This is to be expected, of course, since Microfetch is
|
|
||||||
designed _explicitly_ for speed and makes some tradeoffs to achieve it's
|
|
||||||
signature speed.
|
|
||||||
|
|
||||||
### Benchmarking Individual Functions
|
### Benchmarking Individual Functions
|
||||||
|
|
||||||
|
|
@ -140,38 +87,11 @@ To benchmark individual functions, [Criterion.rs] is used. See Criterion's
|
||||||
[Getting Started Guide] for details or just run `cargo bench` to benchmark all
|
[Getting Started Guide] for details or just run `cargo bench` to benchmark all
|
||||||
features of Microfetch.
|
features of Microfetch.
|
||||||
|
|
||||||
### Profiling Allocations and Timing
|
|
||||||
|
|
||||||
[Hotpath]: https://github.com/pawurb/hotpath
|
|
||||||
|
|
||||||
Microfetch uses [Hotpath] for profiling function execution timing and heap
|
|
||||||
allocations. This helps identify performance bottlenecks and track optimization
|
|
||||||
progress. It is so effective that thanks to Hotpath, Microfetch has seen a 60%
|
|
||||||
reduction in the number of allocations.
|
|
||||||
|
|
||||||
To profile timing:
|
|
||||||
|
|
||||||
```bash
|
|
||||||
HOTPATH_JSON=true cargo run --features=hotpath
|
|
||||||
```
|
|
||||||
|
|
||||||
To profile allocations:
|
|
||||||
|
|
||||||
```bash
|
|
||||||
HOTPATH_JSON=true cargo run --features=hotpath,hotpath-alloc
|
|
||||||
```
|
|
||||||
|
|
||||||
The JSON output can be analyzed with the `hotpath` CLI tool for detailed
|
|
||||||
performance metrics. On pull requests, GitHub Actions automatically profiles
|
|
||||||
both timing and allocations, posting comparison comments to help catch
|
|
||||||
performance regressions.
|
|
||||||
|
|
||||||
## Installation
|
## Installation
|
||||||
|
|
||||||
> [!NOTE]
|
> [!NOTE]
|
||||||
> You will need a Nerdfonts patched font installed, and for your terminal
|
> You will need a Nerdfonts patched font installed, and for your terminal
|
||||||
> emulator to support said font. Microfetch uses nerdfonts glyphs by default,
|
> emulator to support said font. Microfetch uses nerdfonts glyphs by default.
|
||||||
> but this can be changed by [patching the program](#customizing).
|
|
||||||
|
|
||||||
Microfetch is packaged in [nixpkgs](https://github.com/nixos/nixpkgs). It can be
|
Microfetch is packaged in [nixpkgs](https://github.com/nixos/nixpkgs). It can be
|
||||||
installed by adding `pkgs.microfetch` to your `environment.systemPackages`.
|
installed by adding `pkgs.microfetch` to your `environment.systemPackages`.
|
||||||
|
|
@ -204,31 +124,17 @@ You can't.
|
||||||
|
|
||||||
### Why?
|
### Why?
|
||||||
|
|
||||||
Customization, of most kinds, are expensive: I could try reading environment
|
Customization, of any kind, is expensive: I could try reading environment
|
||||||
variables, parse command-line arguments or read a configuration file to allow
|
variables, parse command-line arguments or read a configuration file but all of
|
||||||
configuring various fields but those inflate execution time and the resource
|
those increment execution time and resource consumption by a lot.
|
||||||
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.
|
|
||||||
|
|
||||||
### Really?
|
### Really?
|
||||||
|
|
||||||
[main module]: ./src/main.rs
|
To be fair, you _can_ customize Microfetch by, well, patching it. It's not the
|
||||||
[discussions tab]: https://github.com/NotAShelf/microfetch/discussions
|
best way per se, but it will be the only way that does not compromise on speed.
|
||||||
|
|
||||||
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.
|
|
||||||
|
|
||||||
The Nix package allows passing patches in a streamlined manner by passing
|
The Nix package allows passing patches in a streamlined manner by passing
|
||||||
`.overrideAttrs` to the derivation. You can apply your patches in `patches` and
|
`.overrideAttrs` to the derivation.
|
||||||
share your derivations with people. Feel free to use the [discussions tab] to
|
|
||||||
share your own variants of Microfetch!
|
|
||||||
|
|
||||||
## Contributing
|
## Contributing
|
||||||
|
|
||||||
|
|
@ -240,22 +146,13 @@ Contributions that help improve performance in specific areas of Microfetch are
|
||||||
welcome. Though, prepare to be bombarded with questions if your changes are
|
welcome. Though, prepare to be bombarded with questions if your changes are
|
||||||
large.
|
large.
|
||||||
|
|
||||||
### Hacking
|
## Hacking
|
||||||
|
|
||||||
A Nix flake is provided. You may use `nix develop` to get started. Direnv users
|
A Nix flake is provided. `nix develop` to get started. Direnv users may simply
|
||||||
may instead run `direnv allow` to get a complete environment with shell
|
run `direnv allow` to get started.
|
||||||
integration.
|
|
||||||
|
|
||||||
Non-Nix user will need `cargo`, `clang` and `mold` installed on their system to
|
Non-nix users will need `cargo` and `gcc` installed on their system, see
|
||||||
build Microfetch. As Mold seems to yield _slightly_ better results than the
|
`Cargo.toml` for available release profiles.
|
||||||
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
|
|
||||||
```
|
|
||||||
|
|
||||||
## Thanks
|
## Thanks
|
||||||
|
|
||||||
|
|
@ -272,7 +169,6 @@ person about current issues. To list a few, special thanks to:
|
||||||
- [@sioodmy](https://github.com/sioodmy) - Being cute
|
- [@sioodmy](https://github.com/sioodmy) - Being cute
|
||||||
- [@mewoocat](https://github.com/mewoocat) - The awesome NixOS logo ASCII used
|
- [@mewoocat](https://github.com/mewoocat) - The awesome NixOS logo ASCII used
|
||||||
in Microfetch
|
in Microfetch
|
||||||
- [@uzaaft](https://github.com/uzaaft) - Helping me going faster
|
|
||||||
|
|
||||||
Additionally a big thank you to everyone who used, talked about or criticized
|
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.
|
Microfetch. I might have missed your name here, but you have my thanks.
|
||||||
|
|
|
||||||
|
|
@ -1,32 +1,26 @@
|
||||||
use criterion::{Criterion, criterion_group, criterion_main};
|
use criterion::{Criterion, criterion_group, criterion_main};
|
||||||
use microfetch_lib::{
|
use microfetch_lib::colors::print_dots;
|
||||||
UtsName,
|
use microfetch_lib::desktop::get_desktop_info;
|
||||||
colors::print_dots,
|
use microfetch_lib::release::{get_os_pretty_name, get_system_info};
|
||||||
desktop::get_desktop_info,
|
use microfetch_lib::system::{
|
||||||
release::{get_os_pretty_name, get_system_info},
|
get_memory_usage, get_root_disk_usage, get_shell, get_username_and_hostname,
|
||||||
system::{
|
|
||||||
get_memory_usage,
|
|
||||||
get_root_disk_usage,
|
|
||||||
get_shell,
|
|
||||||
get_username_and_hostname,
|
|
||||||
},
|
|
||||||
uptime::get_current,
|
|
||||||
};
|
};
|
||||||
|
use microfetch_lib::uptime::get_current;
|
||||||
|
|
||||||
fn main_benchmark(c: &mut Criterion) {
|
fn main_benchmark(c: &mut Criterion) {
|
||||||
let utsname = UtsName::uname().expect("Failed to get uname");
|
let utsname = nix::sys::utsname::uname().expect("lol");
|
||||||
c.bench_function("user_info", |b| {
|
c.bench_function("user_info", |b| {
|
||||||
b.iter(|| get_username_and_hostname(&utsname));
|
b.iter(|| get_username_and_hostname(&utsname));
|
||||||
});
|
});
|
||||||
c.bench_function("os_name", |b| b.iter(get_os_pretty_name));
|
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("kernel_version", |b| b.iter(|| get_system_info(&utsname)));
|
||||||
c.bench_function("shell", |b| b.iter(get_shell));
|
c.bench_function("shell", |b| b.iter(get_shell));
|
||||||
|
|
||||||
c.bench_function("desktop", |b| b.iter(get_desktop_info));
|
c.bench_function("desktop", |b| b.iter(get_desktop_info));
|
||||||
c.bench_function("uptime", |b| b.iter(get_current));
|
c.bench_function("uptime", |b| b.iter(get_current));
|
||||||
c.bench_function("memory_usage", |b| b.iter(get_memory_usage));
|
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("storage", |b| b.iter(get_root_disk_usage));
|
||||||
c.bench_function("colors", |b| b.iter(print_dots));
|
c.bench_function("colors", |b| b.iter(print_dots));
|
||||||
}
|
}
|
||||||
|
|
||||||
criterion_group!(benches, main_benchmark);
|
criterion_group!(benches, main_benchmark);
|
||||||
|
|
|
||||||
4
flake.lock
generated
4
flake.lock
generated
|
|
@ -4,17 +4,13 @@
|
||||||
"locked": {
|
"locked": {
|
||||||
"lastModified": 1743359643,
|
"lastModified": 1743359643,
|
||||||
"narHash": "sha256-RkyJ9a67s0zEIz4O66TyZOIGh4TFZ4dKHKMgnxZCh2I=",
|
"narHash": "sha256-RkyJ9a67s0zEIz4O66TyZOIGh4TFZ4dKHKMgnxZCh2I=",
|
||||||
"lastModified": 1763381801,
|
|
||||||
"narHash": "sha256-325fR0JmHW7B74/gHPv/S9w1Rfj/M2HniwQFUwdrZ9k=",
|
|
||||||
"owner": "NixOS",
|
"owner": "NixOS",
|
||||||
"repo": "nixpkgs",
|
"repo": "nixpkgs",
|
||||||
"rev": "ca77b4bc80e558ce59f2712fdb276f90c0ee309a",
|
"rev": "ca77b4bc80e558ce59f2712fdb276f90c0ee309a",
|
||||||
"rev": "46931757ea8bdbba25c076697f8e73b8dc39fef5",
|
|
||||||
"type": "github"
|
"type": "github"
|
||||||
},
|
},
|
||||||
"original": {
|
"original": {
|
||||||
"owner": "NixOS",
|
"owner": "NixOS",
|
||||||
"ref": "nixos-unstable",
|
|
||||||
"repo": "nixpkgs",
|
"repo": "nixpkgs",
|
||||||
"type": "github"
|
"type": "github"
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,6 +1,6 @@
|
||||||
{
|
{
|
||||||
description = "A microscopic fetch script in Rust, for NixOS systems";
|
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 = {
|
outputs = {
|
||||||
self,
|
self,
|
||||||
|
|
@ -10,12 +10,9 @@
|
||||||
forEachSystem = nixpkgs.lib.genAttrs systems;
|
forEachSystem = nixpkgs.lib.genAttrs systems;
|
||||||
pkgsForEach = nixpkgs.legacyPackages;
|
pkgsForEach = nixpkgs.legacyPackages;
|
||||||
in {
|
in {
|
||||||
packages = forEachSystem (system: let
|
packages = forEachSystem (system: {
|
||||||
pkgs = pkgsForEach.${system};
|
|
||||||
in {
|
|
||||||
default = self.packages.${system}.microfetch;
|
default = self.packages.${system}.microfetch;
|
||||||
microfetch = pkgs.callPackage ./nix/package.nix {};
|
microfetch = pkgsForEach.${system}.callPackage ./nix/package.nix {};
|
||||||
microfetch-mold = pkgs.callPackage ./nix/package.nix {useMold = true;};
|
|
||||||
});
|
});
|
||||||
|
|
||||||
devShells = forEachSystem (system: {
|
devShells = forEachSystem (system: {
|
||||||
|
|
|
||||||
|
|
@ -1,53 +1,31 @@
|
||||||
{
|
{
|
||||||
lib,
|
lib,
|
||||||
stdenv,
|
|
||||||
stdenvAdapters,
|
|
||||||
rustPlatform,
|
rustPlatform,
|
||||||
|
stdenvAdapters,
|
||||||
llvm,
|
llvm,
|
||||||
useMold ? stdenv.isLinux && !stdenv.hostPlatform.isAarch,
|
|
||||||
}: let
|
}: let
|
||||||
toml = (lib.importTOML ../Cargo.toml).package;
|
toml = (lib.importTOML ../Cargo.toml).package;
|
||||||
pname = toml.name;
|
pname = toml.name;
|
||||||
inherit (toml) version;
|
inherit (toml) version;
|
||||||
|
|
||||||
# Select stdenv based on useMold flag
|
|
||||||
stdenv =
|
|
||||||
if useMold
|
|
||||||
then stdenvAdapters.useMoldLinker llvm.stdenv
|
|
||||||
else llvm.stdenv;
|
|
||||||
in
|
in
|
||||||
rustPlatform.buildRustPackage.override {inherit stdenv;} {
|
rustPlatform.buildRustPackage.override {stdenv = stdenvAdapters.useMoldLinker llvm.stdenv;} {
|
||||||
|
RUSTFLAGS = "-C link-arg=-fuse-ld=mold";
|
||||||
|
|
||||||
inherit pname version;
|
inherit pname version;
|
||||||
src = let
|
|
||||||
fs = lib.fileset;
|
src = builtins.path {
|
||||||
s = ../.;
|
name = "${pname}-${version}";
|
||||||
in
|
path = lib.sources.cleanSource ../.;
|
||||||
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;
|
cargoLock.lockFile = ../Cargo.lock;
|
||||||
enableParallelBuilding = true;
|
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";
|
|
||||||
};
|
|
||||||
|
|
||||||
meta = {
|
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";
|
homepage = "https://github.com/NotAShelf/microfetch";
|
||||||
license = lib.licenses.gpl3Only;
|
license = lib.licenses.gpl3Only;
|
||||||
maintainers = [lib.maintainers.NotAShelf];
|
maintainers = with lib.maintainers; [NotAShelf];
|
||||||
mainProgram = "microfetch";
|
mainProgram = "microfetch";
|
||||||
};
|
};
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,31 +1,25 @@
|
||||||
{
|
{
|
||||||
mkShell,
|
mkShell,
|
||||||
cargo,
|
|
||||||
rustc,
|
|
||||||
mold,
|
|
||||||
clang,
|
|
||||||
rust-analyzer-unwrapped,
|
rust-analyzer-unwrapped,
|
||||||
rustfmt,
|
rustfmt,
|
||||||
clippy,
|
clippy,
|
||||||
taplo,
|
cargo,
|
||||||
|
rustc,
|
||||||
rustPlatform,
|
rustPlatform,
|
||||||
gnuplot,
|
gnuplot,
|
||||||
}:
|
}:
|
||||||
mkShell {
|
mkShell {
|
||||||
name = "microfetch";
|
|
||||||
strictDeps = true;
|
strictDeps = true;
|
||||||
|
|
||||||
nativeBuildInputs = [
|
nativeBuildInputs = [
|
||||||
cargo
|
cargo
|
||||||
rustc
|
rustc
|
||||||
mold
|
|
||||||
clang
|
|
||||||
|
|
||||||
rust-analyzer-unwrapped
|
rust-analyzer-unwrapped
|
||||||
(rustfmt.override {asNightly = true;})
|
rustfmt
|
||||||
clippy
|
clippy
|
||||||
taplo
|
|
||||||
|
|
||||||
gnuplot # for Criterion.rs plots
|
gnuplot # For Criterion.rs plots
|
||||||
];
|
];
|
||||||
|
|
||||||
env.RUST_SRC_PATH = "${rustPlatform.rustLibSrc}";
|
env.RUST_SRC_PATH = "${rustPlatform.rustLibSrc}";
|
||||||
|
|
|
||||||
110
src/colors.rs
110
src/colors.rs
|
|
@ -1,81 +1,57 @@
|
||||||
|
use std::env;
|
||||||
use std::sync::LazyLock;
|
use std::sync::LazyLock;
|
||||||
|
|
||||||
pub struct Colors {
|
pub struct Colors {
|
||||||
pub reset: &'static str,
|
pub reset: &'static str,
|
||||||
pub blue: &'static str,
|
pub blue: &'static str,
|
||||||
pub cyan: &'static str,
|
pub cyan: &'static str,
|
||||||
pub green: &'static str,
|
pub green: &'static str,
|
||||||
pub yellow: &'static str,
|
pub yellow: &'static str,
|
||||||
pub red: &'static str,
|
pub red: &'static str,
|
||||||
pub magenta: &'static str,
|
pub magenta: &'static str,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl Colors {
|
impl Colors {
|
||||||
const fn new(is_no_color: bool) -> Self {
|
const fn new(is_no_color: bool) -> Self {
|
||||||
if is_no_color {
|
if is_no_color {
|
||||||
Self {
|
Self {
|
||||||
reset: "",
|
reset: "",
|
||||||
blue: "",
|
blue: "",
|
||||||
cyan: "",
|
cyan: "",
|
||||||
green: "",
|
green: "",
|
||||||
yellow: "",
|
yellow: "",
|
||||||
red: "",
|
red: "",
|
||||||
magenta: "",
|
magenta: "",
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
Self {
|
Self {
|
||||||
reset: "\x1b[0m",
|
reset: "\x1b[0m",
|
||||||
blue: "\x1b[34m",
|
blue: "\x1b[34m",
|
||||||
cyan: "\x1b[36m",
|
cyan: "\x1b[36m",
|
||||||
green: "\x1b[32m",
|
green: "\x1b[32m",
|
||||||
yellow: "\x1b[33m",
|
yellow: "\x1b[33m",
|
||||||
red: "\x1b[31m",
|
red: "\x1b[31m",
|
||||||
magenta: "\x1b[35m",
|
magenta: "\x1b[35m",
|
||||||
}
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
pub static COLORS: LazyLock<Colors> = LazyLock::new(|| {
|
pub static COLORS: LazyLock<Colors> = LazyLock::new(|| {
|
||||||
const NO_COLOR: *const libc::c_char = c"NO_COLOR".as_ptr();
|
// check for NO_COLOR once at startup
|
||||||
let is_no_color = unsafe { !libc::getenv(NO_COLOR).is_null() };
|
let is_no_color = env::var("NO_COLOR").is_ok();
|
||||||
Colors::new(is_no_color)
|
Colors::new(is_no_color)
|
||||||
});
|
});
|
||||||
|
|
||||||
#[must_use]
|
|
||||||
#[cfg_attr(feature = "hotpath", hotpath::measure)]
|
|
||||||
pub fn print_dots() -> String {
|
pub fn print_dots() -> String {
|
||||||
// Pre-calculate capacity: 6 color codes + " " (glyph + 2 spaces) per color
|
format!(
|
||||||
const GLYPH: &str = "";
|
"{} {} {} {} {} {} {}",
|
||||||
let capacity = COLORS.blue.len()
|
COLORS.blue,
|
||||||
+ COLORS.cyan.len()
|
COLORS.cyan,
|
||||||
+ COLORS.green.len()
|
COLORS.green,
|
||||||
+ COLORS.yellow.len()
|
COLORS.yellow,
|
||||||
+ COLORS.red.len()
|
COLORS.red,
|
||||||
+ COLORS.magenta.len()
|
COLORS.magenta,
|
||||||
+ COLORS.reset.len()
|
COLORS.reset,
|
||||||
+ (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
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,42 +1,28 @@
|
||||||
use std::{ffi::CStr, fmt::Write};
|
|
||||||
|
|
||||||
#[must_use]
|
|
||||||
#[cfg_attr(feature = "hotpath", hotpath::measure)]
|
|
||||||
pub fn get_desktop_info() -> String {
|
pub fn get_desktop_info() -> String {
|
||||||
// Retrieve the environment variables and handle Result types
|
// Retrieve the environment variables and handle Result types
|
||||||
let desktop_str = unsafe {
|
let desktop_env = std::env::var("XDG_CURRENT_DESKTOP");
|
||||||
let ptr = libc::getenv(c"XDG_CURRENT_DESKTOP".as_ptr());
|
let display_backend_result = std::env::var("XDG_SESSION_TYPE");
|
||||||
if ptr.is_null() {
|
|
||||||
"Unknown"
|
// Capitalize the first letter of the display backend value
|
||||||
} else {
|
let mut display_backend = display_backend_result.unwrap_or_default();
|
||||||
let s = CStr::from_ptr(ptr).to_str().unwrap_or("Unknown");
|
if let Some(c) = display_backend.as_mut_str().get_mut(0..1) {
|
||||||
s.strip_prefix("none+").unwrap_or(s)
|
c.make_ascii_uppercase();
|
||||||
}
|
}
|
||||||
};
|
|
||||||
|
|
||||||
let backend_str = unsafe {
|
// Trim "none+" from the start of desktop_env if present
|
||||||
let ptr = libc::getenv(c"XDG_SESSION_TYPE".as_ptr());
|
// Use "Unknown" if desktop_env is empty or has an error
|
||||||
if ptr.is_null() {
|
let desktop_env = match desktop_env {
|
||||||
"Unknown"
|
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 {
|
} else {
|
||||||
let s = CStr::from_ptr(ptr).to_str().unwrap_or("Unknown");
|
&display_backend
|
||||||
if s.is_empty() { "Unknown" } else { s }
|
|
||||||
}
|
}
|
||||||
};
|
.to_string();
|
||||||
|
|
||||||
// Pre-calculate capacity: desktop_len + " (" + backend_len + ")"
|
format!("{desktop_env} ({display_backend})")
|
||||||
// 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
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
41
src/lib.rs
41
src/lib.rs
|
|
@ -1,46 +1,5 @@
|
||||||
pub mod colors;
|
pub mod colors;
|
||||||
pub mod desktop;
|
pub mod desktop;
|
||||||
pub mod release;
|
pub mod release;
|
||||||
pub mod syscall;
|
|
||||||
pub mod system;
|
pub mod system;
|
||||||
pub mod uptime;
|
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<Self, std::io::Error> {
|
|
||||||
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()) }
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
|
||||||
158
src/main.rs
158
src/main.rs
|
|
@ -1,112 +1,82 @@
|
||||||
mod colors;
|
mod colors;
|
||||||
mod desktop;
|
mod desktop;
|
||||||
mod release;
|
mod release;
|
||||||
mod syscall;
|
|
||||||
mod system;
|
mod system;
|
||||||
mod uptime;
|
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 std::io::{Write, stdout};
|
||||||
|
|
||||||
pub use microfetch_lib::UtsName;
|
|
||||||
|
|
||||||
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,
|
|
||||||
};
|
|
||||||
|
|
||||||
#[cfg_attr(feature = "hotpath", hotpath::main)]
|
|
||||||
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||||
if Some("--version") == std::env::args().nth(1).as_deref() {
|
if Some("--version") == std::env::args().nth(1).as_deref() {
|
||||||
println!("Microfetch {}", env!("CARGO_PKG_VERSION"));
|
println!("Microfetch {}", env!("CARGO_PKG_VERSION"));
|
||||||
} else {
|
} else {
|
||||||
let utsname = UtsName::uname()?;
|
let utsname = nix::sys::utsname::uname()?;
|
||||||
let fields = Fields {
|
let fields = Fields {
|
||||||
user_info: get_username_and_hostname(&utsname),
|
user_info: get_username_and_hostname(&utsname),
|
||||||
os_name: get_os_pretty_name()?,
|
os_name: get_os_pretty_name()?,
|
||||||
kernel_version: get_system_info(&utsname),
|
kernel_version: get_system_info(&utsname),
|
||||||
shell: get_shell(),
|
shell: get_shell(),
|
||||||
desktop: get_desktop_info(),
|
desktop: get_desktop_info(),
|
||||||
uptime: get_current()?,
|
uptime: get_current()?,
|
||||||
memory_usage: get_memory_usage()?,
|
memory_usage: get_memory_usage()?,
|
||||||
storage: get_root_disk_usage()?,
|
storage: get_root_disk_usage()?,
|
||||||
colors: print_dots(),
|
colors: print_dots(),
|
||||||
};
|
};
|
||||||
print_system_info(&fields)?;
|
print_system_info(&fields)?;
|
||||||
}
|
}
|
||||||
|
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
// Struct to hold all the fields we need in order to print the fetch. This
|
// Struct to hold all the fields we need to print
|
||||||
// helps avoid Clippy warnings about argument count, and makes it slightly
|
// helps avoid clippy warnings about argument count
|
||||||
// easier to pass data around. Though, it is not like we really need to.
|
// and makes it easier to pass around, though its
|
||||||
|
// not like we need to
|
||||||
struct Fields {
|
struct Fields {
|
||||||
user_info: String,
|
user_info: String,
|
||||||
os_name: String,
|
os_name: String,
|
||||||
kernel_version: String,
|
kernel_version: String,
|
||||||
shell: String,
|
shell: String,
|
||||||
uptime: String,
|
uptime: String,
|
||||||
desktop: String,
|
desktop: String,
|
||||||
memory_usage: String,
|
memory_usage: String,
|
||||||
storage: String,
|
storage: String,
|
||||||
colors: String,
|
colors: String,
|
||||||
}
|
}
|
||||||
|
|
||||||
#[cfg_attr(feature = "hotpath", hotpath::measure)]
|
fn print_system_info(fields: &Fields) -> Result<(), Box<dyn std::error::Error>> {
|
||||||
fn print_system_info(
|
use crate::colors::COLORS;
|
||||||
fields: &Fields,
|
|
||||||
) -> Result<(), Box<dyn std::error::Error>> {
|
|
||||||
use crate::colors::COLORS;
|
|
||||||
|
|
||||||
let Fields {
|
let Fields {
|
||||||
user_info,
|
user_info,
|
||||||
os_name,
|
os_name,
|
||||||
kernel_version,
|
kernel_version,
|
||||||
shell,
|
shell,
|
||||||
uptime,
|
uptime,
|
||||||
desktop,
|
desktop,
|
||||||
memory_usage,
|
memory_usage,
|
||||||
storage,
|
storage,
|
||||||
colors,
|
colors,
|
||||||
} = fields;
|
} = fields;
|
||||||
|
|
||||||
let cyan = COLORS.cyan;
|
let cyan = COLORS.cyan;
|
||||||
let blue = COLORS.blue;
|
let blue = COLORS.blue;
|
||||||
let reset = COLORS.reset;
|
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}\n");
|
||||||
|
|
||||||
let mut buf = [0u8; 2048];
|
Ok(stdout().write_all(system_info.as_bytes())?)
|
||||||
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(())
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,69 +1,33 @@
|
||||||
use std::{fmt::Write as _, io};
|
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 {
|
pub fn get_system_info(utsname: &UtsName) -> String {
|
||||||
let sysname = utsname.sysname().to_str().unwrap_or("Unknown");
|
format!(
|
||||||
let release = utsname.release().to_str().unwrap_or("Unknown");
|
"{} {} ({})",
|
||||||
let machine = utsname.machine().to_str().unwrap_or("Unknown");
|
utsname.sysname().to_str().unwrap_or("Unknown"),
|
||||||
|
utsname.release().to_str().unwrap_or("Unknown"),
|
||||||
// Pre-allocate capacity: sysname + " " + release + " (" + machine + ")"
|
utsname.machine().to_str().unwrap_or("Unknown")
|
||||||
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
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/// 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<String, io::Error> {
|
pub fn get_os_pretty_name() -> Result<String, io::Error> {
|
||||||
// Fast byte-level scanning for PRETTY_NAME=
|
let file = File::open("/etc/os-release")?;
|
||||||
const PREFIX: &[u8] = b"PRETTY_NAME=";
|
let reader = BufReader::new(file);
|
||||||
|
|
||||||
let mut buffer = [0u8; 1024];
|
for line in reader.lines() {
|
||||||
|
let line = line?;
|
||||||
// Use fast syscall-based file reading
|
if let Some(pretty_name) = line.strip_prefix("PRETTY_NAME=") {
|
||||||
let bytes_read = read_file_fast("/etc/os-release", &mut buffer)?;
|
if let Some(trimmed) = pretty_name
|
||||||
let content = &buffer[..bytes_read];
|
.strip_prefix('"')
|
||||||
|
.and_then(|s| s.strip_suffix('"'))
|
||||||
let mut offset = 0;
|
{
|
||||||
|
return Ok(trimmed.to_string());
|
||||||
while offset < content.len() {
|
}
|
||||||
let remaining = &content[offset..];
|
return Ok(pretty_name.to_string());
|
||||||
|
}
|
||||||
// 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());
|
|
||||||
}
|
}
|
||||||
|
Ok("Unknown".to_string())
|
||||||
offset += line_end + 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
Ok("Unknown".to_owned())
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
210
src/syscall.rs
210
src/syscall.rs
|
|
@ -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<usize> {
|
|
||||||
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)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
227
src/system.rs
227
src/system.rs
|
|
@ -1,184 +1,87 @@
|
||||||
use std::{ffi::CStr, fmt::Write as _, io, mem::MaybeUninit};
|
use crate::colors::COLORS;
|
||||||
|
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 {
|
pub fn get_username_and_hostname(utsname: &UtsName) -> String {
|
||||||
let username = unsafe {
|
let username = env::var("USER").unwrap_or_else(|_| "unknown_user".to_string());
|
||||||
let ptr = libc::getenv(c"USER".as_ptr());
|
let hostname = utsname
|
||||||
if ptr.is_null() {
|
.nodename()
|
||||||
"unknown_user"
|
.to_str()
|
||||||
} else {
|
.unwrap_or("unknown_host")
|
||||||
CStr::from_ptr(ptr).to_str().unwrap_or("unknown_user")
|
.to_string();
|
||||||
}
|
format!(
|
||||||
};
|
"{yellow}{username}{red}@{green}{hostname}{reset}",
|
||||||
let hostname = utsname.nodename().to_str().unwrap_or("unknown_host");
|
yellow = COLORS.yellow,
|
||||||
|
red = COLORS.red,
|
||||||
let capacity = COLORS.yellow.len()
|
green = COLORS.green,
|
||||||
+ username.len()
|
reset = COLORS.reset,
|
||||||
+ 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
|
|
||||||
}
|
}
|
||||||
|
|
||||||
#[must_use]
|
|
||||||
#[cfg_attr(feature = "hotpath", hotpath::measure)]
|
|
||||||
pub fn get_shell() -> String {
|
pub fn get_shell() -> String {
|
||||||
unsafe {
|
let shell_path = env::var("SHELL").unwrap_or_else(|_| "unknown_shell".to_string());
|
||||||
let ptr = libc::getenv(c"SHELL".as_ptr());
|
let shell_name = shell_path.rsplit('/').next().unwrap_or("unknown_shell");
|
||||||
if ptr.is_null() {
|
shell_name.to_string()
|
||||||
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()
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/// 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<String, io::Error> {
|
pub fn get_root_disk_usage() -> Result<String, io::Error> {
|
||||||
let mut vfs = MaybeUninit::uninit();
|
let vfs = statvfs("/")?;
|
||||||
let path = b"/\0";
|
let block_size = vfs.block_size() as u64;
|
||||||
|
let total_blocks = vfs.blocks();
|
||||||
|
let available_blocks = vfs.blocks_available();
|
||||||
|
|
||||||
if unsafe { libc::statvfs(path.as_ptr().cast(), vfs.as_mut_ptr()) } != 0 {
|
let total_size = block_size * total_blocks;
|
||||||
return Err(io::Error::last_os_error());
|
let used_size = total_size - (block_size * available_blocks);
|
||||||
}
|
|
||||||
|
|
||||||
let vfs = unsafe { vfs.assume_init() };
|
let total_size = total_size as f64 / (1024.0 * 1024.0 * 1024.0);
|
||||||
let block_size = vfs.f_bsize;
|
let used_size = used_size as f64 / (1024.0 * 1024.0 * 1024.0);
|
||||||
let total_blocks = vfs.f_blocks;
|
let usage = (used_size / total_size) * 100.0;
|
||||||
let available_blocks = vfs.f_bavail;
|
|
||||||
|
|
||||||
let total_size = block_size * total_blocks;
|
Ok(format!(
|
||||||
let used_size = total_size - (block_size * available_blocks);
|
"{used_size:.2} GiB / {total_size:.2} GiB ({cyan}{usage:.0}%{reset})",
|
||||||
|
cyan = COLORS.cyan,
|
||||||
let total_size = total_size as f64 / (1024.0 * 1024.0 * 1024.0);
|
reset = COLORS.reset,
|
||||||
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)
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/// 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<String, io::Error> {
|
pub fn get_memory_usage() -> Result<String, io::Error> {
|
||||||
#[cfg_attr(feature = "hotpath", hotpath::measure)]
|
fn parse_memory_info() -> Result<(f64, f64), io::Error> {
|
||||||
fn parse_memory_info() -> Result<(f64, f64), io::Error> {
|
let mut total_memory_kb = 0.0;
|
||||||
let mut total_memory_kb = 0u64;
|
let mut available_memory_kb = 0.0;
|
||||||
let mut available_memory_kb = 0u64;
|
let mut meminfo = String::with_capacity(2048);
|
||||||
let mut buffer = [0u8; 1024];
|
|
||||||
|
|
||||||
// Use fast syscall-based file reading
|
File::open("/proc/meminfo")?.read_to_string(&mut meminfo)?;
|
||||||
let bytes_read = read_file_fast("/proc/meminfo", &mut buffer)?;
|
|
||||||
let meminfo = &buffer[..bytes_read];
|
|
||||||
|
|
||||||
// Fast scanning for MemTotal and MemAvailable
|
for line in meminfo.lines() {
|
||||||
let mut offset = 0;
|
let mut split = line.split_whitespace();
|
||||||
let mut found_total = false;
|
match split.next().unwrap_or_default() {
|
||||||
let mut found_available = false;
|
"MemTotal:" => total_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0),
|
||||||
|
"MemAvailable:" => {
|
||||||
while offset < meminfo.len() && (!found_total || !found_available) {
|
available_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0);
|
||||||
let remaining = &meminfo[offset..];
|
// MemTotal comes before MemAvailable, stop parsing
|
||||||
|
break;
|
||||||
// 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;
|
|
||||||
}
|
}
|
||||||
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 (used_memory, total_memory) = parse_memory_info()?;
|
||||||
let total_memory_gb = total_memory_kb as f64 / 1024.0 / 1024.0;
|
let percentage_used = (used_memory / total_memory * 100.0).round() as u64;
|
||||||
#[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))
|
Ok(format!(
|
||||||
}
|
"{used_memory:.2} GiB / {total_memory:.2} GiB ({cyan}{percentage_used}%{reset})",
|
||||||
|
cyan = COLORS.cyan,
|
||||||
let (used_memory, total_memory) = parse_memory_info()?;
|
reset = COLORS.reset,
|
||||||
#[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)
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
136
src/uptime.rs
136
src/uptime.rs
|
|
@ -1,114 +1,40 @@
|
||||||
use std::{io, mem::MaybeUninit};
|
use std::{io, mem::MaybeUninit};
|
||||||
|
|
||||||
/// 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<String, io::Error> {
|
pub fn get_current() -> Result<String, io::Error> {
|
||||||
let uptime_seconds = {
|
let uptime_seconds = {
|
||||||
let mut info = MaybeUninit::uninit();
|
let mut info = MaybeUninit::uninit();
|
||||||
if unsafe { sys_sysinfo(info.as_mut_ptr()) } != 0 {
|
if unsafe { libc::sysinfo(info.as_mut_ptr()) } != 0 {
|
||||||
return Err(io::Error::last_os_error());
|
return Err(io::Error::last_os_error());
|
||||||
}
|
}
|
||||||
#[allow(clippy::cast_sign_loss)]
|
unsafe { info.assume_init().uptime as u64 }
|
||||||
unsafe {
|
};
|
||||||
info.assume_init().uptime as u64
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
let days = uptime_seconds / 86400;
|
let days = uptime_seconds / 86400;
|
||||||
let hours = (uptime_seconds / 3600) % 24;
|
let hours = (uptime_seconds / 3600) % 24;
|
||||||
let minutes = (uptime_seconds / 60) % 60;
|
let minutes = (uptime_seconds / 60) % 60;
|
||||||
|
|
||||||
let mut result = String::with_capacity(32);
|
let mut result = String::with_capacity(32);
|
||||||
let mut buf = [0u8; 20]; // Enough for u64::MAX
|
if days > 0 {
|
||||||
|
result.push_str(&days.to_string());
|
||||||
if days > 0 {
|
result.push_str(if days == 1 { " day" } else { " days" });
|
||||||
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(", ");
|
|
||||||
}
|
}
|
||||||
result.push_str(itoa(hours, &mut buf));
|
if hours > 0 {
|
||||||
result.push_str(if hours == 1 { " hour" } else { " hours" });
|
if !result.is_empty() {
|
||||||
}
|
result.push_str(", ");
|
||||||
if minutes > 0 {
|
}
|
||||||
if !result.is_empty() {
|
result.push_str(&hours.to_string());
|
||||||
result.push_str(", ");
|
result.push_str(if hours == 1 { " hour" } else { " hours" });
|
||||||
|
}
|
||||||
|
if minutes > 0 {
|
||||||
|
if !result.is_empty() {
|
||||||
|
result.push_str(", ");
|
||||||
|
}
|
||||||
|
result.push_str(&minutes.to_string());
|
||||||
|
result.push_str(if minutes == 1 { " minute" } else { " minutes" });
|
||||||
|
}
|
||||||
|
if result.is_empty() {
|
||||||
|
result.push_str("less than a minute");
|
||||||
}
|
}
|
||||||
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(result)
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue