1 unstable release
0.1.0 | Aug 21, 2022 |
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#1065 in #linux
9KB
120 lines
fadvise
fadvise
is a CLI command to call posix_fadvise(2)
for a specific file.
How to use
The following is an example of cache eviction.
❯ cat Cargo.toml > /dev/null
❯ fincore -b Cargo.toml
RES PAGES SIZE FILE
4096 1 500 Cargo.toml
❯ fadvise dontneed Cargo.toml
filename: Cargo.toml
advice: POSIX_FADV_DONTNEED
offset: 0
len: 500
❯ fincore -b Cargo.toml
RES PAGES SIZE FILE
0 0 500 Cargo.toml
Installation
From crates.io
❯ cargo install fadvise
From source code (GitHub)
❯ git clone https://github.com/StoneDot/linux-tools.git
❯ cd linux-tools/fadvise/
❯ cargo install --path .
Completion
bash
# Create a directory to store a completion code
❯ mkdir -p $HOME/.local/share/bash-completion/completions
# Place a completion code
❯ fadvise completion --shell bash > $HOME/.local/share/bash-completion/completions/fadvise
zsh
# Create a directory to store a completion code
❯ mkdir -p $HOME/.zsh.d/functions
# Place a completion code
❯ fadvise completion --shell zsh > $HOME/.zsh.d/functions/_fadvise
# Execute the following line if your fpath does not include `$HOME/.zsh.d/functions`
❯ echo '[ "${fpath[(I)$HOME/.zsh.d/functions]}" -eq 0 ] && fpath=($fpath $HOME/.zsh.d/functions)' | tee -a $HOME/.zshrc
Dependencies
~5MB
~102K SLoC