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wip: config

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Doloro1978
2026-03-06 11:22:31 +00:00
parent 3ea1e2f42e
commit af791ad1e9
6 changed files with 536 additions and 15 deletions
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434
Cargo.lock generated
View File

@@ -2,12 +2,114 @@
# It is not intended for manual editing.
version = 4
[[package]]
name = "anstream"
version = "0.6.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"anstyle",
"anstyle-parse",
"anstyle-query",
"anstyle-wincon",
"colorchoice",
"is_terminal_polyfill",
"utf8parse",
]
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@@ -19,24 +121,95 @@ dependencies = [
"winapi",
]
[[package]]
name = "equivalent"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "lpmd-rewrite"
version = "0.1.0"
dependencies = [
"clap",
"core_affinity",
"raw-cpuid",
"scheduler",
"serde",
"toml",
"tracing",
"tracing-subscriber",
]
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dependencies = [
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]
[[package]]
@@ -49,6 +222,42 @@ dependencies = [
"libc",
]
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name = "once_cell"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "raw-cpuid"
version = "10.6.1"
@@ -57,6 +266,210 @@ dependencies = [
"bitflags",
]
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name = "scheduler"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"tracing-core",
"tracing-log",
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name = "utf8parse"
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@@ -78,3 +491,24 @@ name = "winapi-x86_64-pc-windows-gnu"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"windows-link",
]
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name = "winnow"
version = "0.7.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5a5364e9d77fcdeeaa6062ced926ee3381faa2ee02d3eb83a5c27a8825540829"

7
Cargo.toml
View File

@@ -1,8 +1,15 @@
[package]
name = "lpmd-rewrite"
description = "Utility program to manage hybrid cores in intel systems for power efficency and performance"
version = "0.1.0"
edition = "2024"
[dependencies]
clap = { version = "4.5.60", features = ["derive"] }
core_affinity = "0.8.3"
raw-cpuid = { git = "https://github.com/oxidecomputer/rust-cpuid.git", version = "10.6.1" }
scheduler = "0.1.3"
serde = { version = "1.0.228", features = ["serde_derive"] }
toml = "1.0.4"
tracing = "0.1.44"
tracing-subscriber = "0.3.22"

13
src/config.rs Normal file
View File

@@ -0,0 +1,13 @@
use serde::{Deserialize, Serialize};
use toml::Table;
use toml::map::Map;
#[derive(Serialize, Deserialize)]
pub struct Config {
pub cpu: CpuConf,
}
#[derive(Serialize, Deserialize)]
pub struct CpuConf {
pub comp: Option<Table>,
}

36
src/cpu.rs
View File

@@ -4,6 +4,7 @@ use std::{
string,
sync::{Arc, Mutex},
};
use tracing::{error, info};
use core_affinity::*;
use raw_cpuid::{CacheInfo, cpuid};
@@ -15,9 +16,9 @@ pub struct Cpu {
}
#[derive(Clone, Copy, Debug)]
struct CpuCore {
id: i32,
core_type: CoreType,
pub struct CpuCore {
pub id: i32,
pub core_type: CoreType,
}
#[derive(Debug, Clone, Copy)]
@@ -56,24 +57,34 @@ impl CpuCore {
impl Cpu {
pub fn new() -> Cpu {
let cpu = Arc::new(Mutex::new(Cpu {
cores: HashMap::new(),
}));
let cpu = Arc::new(Mutex::new(Cpu { cores: Vec::new() }));
let core_ids = get_core_ids().unwrap();
let handles = core_ids
.into_iter()
.map(|id| {
let cpu = cpu.clone();
thread::spawn(move || {
info!("Attempting to get core type for cpu {id:?}");
// Pin this thread to a single CPU core.
let res = core_affinity::set_for_current(id);
if !res {
return;
}
println!(
"cpu: {:?}, result: {:#?}",
id,
CpuCore::determine_core_type().unwrap()
)
let coreType = CpuCore::determine_core_type();
let mut cpu_thread = cpu.lock().unwrap();
match coreType {
Ok(x) => {
info!("Got cpu type for {id:?}: {x:?}");
cpu_thread.cores.push(CpuCore {
id: id.id as i32,
core_type: x,
});
}
Err(_) => {
error!("Can't get core type for {id:?}")
}
}
return;
})
})
.collect::<Vec<_>>();
@@ -81,6 +92,7 @@ impl Cpu {
for handle in handles.into_iter() {
handle.join().unwrap();
}
panic!();
let guard = cpu.lock().unwrap();
guard.clone()
}
}

57
src/main.rs
View File

@@ -1,7 +1,58 @@
use clap::Parser;
use raw_cpuid::*;
use std::path::PathBuf;
use tracing::{debug, info, warn};
use crate::{
config::Config,
cpu::{Cpu, CpuCore},
};
mod config;
mod cpu;
fn main() {
cpu::Cpu::new();
println!("Hello, world!");
/// Simple program to greet a person
#[derive(Parser, Debug)]
#[command(version, about, long_about = None)]
struct Args {
#[arg(short, long, value_name = "FILE")]
config: Option<PathBuf>,
}
fn main() {
let args = Args::parse();
if let Some(config) = args.config {
let config_buf = std::fs::read(config).unwrap();
let config_par: Config = toml::from_slice(&config_buf).unwrap();
if let Some(comp) = config_par.cpu.comp {
warn!("Using custom cpu topo loaded from config!");
let custom_topo: Vec<CpuCore> = Vec::new();
for x in comp {
custom_topo.push(CpuCore {
id: x.0.parse().unwrap(),
core_type: {
match x.1 {
toml::Value::String(y) => match y.as_str() {
"P" => {}
"E" => {}
"L" => {}
_ => {
unreachable!()
}
},
_ => {
unreachable!()
}
}
},
})
}
}
Cpu { cores: vec![] };
}
tracing_subscriber::fmt::init();
let cpu = cpu::Cpu::new();
debug!("{cpu:?}");
}

4
test_config.toml Normal file
View File

@@ -0,0 +1,4 @@
[cpu]
comp = {
"0" = {type = E}
}