add sched detect

Cargo.lock

@@ -114,6 +114,18 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "duct"
+version = "0.13.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4ab5718d1224b63252cd0c6f74f6480f9ffeb117438a2e0f5cf6d9a4798929c"
+dependencies = [
+ "libc",
+ "once_cell",
+ "os_pipe",
+ "shared_child",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
@@ -124,11 +136,13 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 name = "fedora-kernel-manager"
 version = "0.1.0"
 dependencies = [
+ "duct",
  "glib-build-tools",
  "gtk4",
  "libadwaita",
  "linux-version",
  "serde_json",
+ "version-compare",
 ]
 
 [[package]]
@@ -600,6 +614,22 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+
+[[package]]
+name = "os_pipe"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29d73ba8daf8fac13b0501d1abeddcfe21ba7401ada61a819144b6c2a4f32209"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "pango"
 version = "0.19.5"
@@ -786,6 +816,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "shared_child"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0d94659ad3c2137fef23ae75b03d5241d633f8acded53d672decfa0e6e0caef"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "shlex"
 version = "0.1.1"

Cargo.toml

@@ -8,9 +8,11 @@ edition = "2021"
 
 [dependencies]
 adw = { version = "0.6.0", package = "libadwaita", features = ["v1_5"] }
+duct = "0.13.7"
 gtk = { version = "0.8.2", package = "gtk4", features = ["v4_14"] }
 linux-version = "0.1.1"
 serde_json = "1.0.117"
+version-compare = "0.2.0"
 
 [build-dependencies]
 glib-build-tools = "0.19.0"

src/content/mod.rs

@@ -4,6 +4,10 @@ use gtk::prelude::{BoxExt, WidgetExt};
 use std::process::{Command, Stdio};
 use crate::{KernelBranch, RunningKernelInfo};
 use Vec;
+use std::fs;
+use std::path::Path;
+use duct::cmd;
+use version_compare::Version;
 
 pub fn content() -> gtk::Box {
 
@@ -126,20 +130,54 @@ fn get_running_kernel_info() -> RunningKernelInfo {
     };
 
     let version = match linux_version::linux_kernel_version() {
-        Ok(t) => format!("{}.{}.{}", t.major, t.minor, t.patch),
+        Ok(t) => {
+            if t.patch == 0 {
+                format!("{}.{}", t.major, t.minor)
+            } else {
+                format!("{}.{}.{}", t.major, t.minor, t.patch)
+            }
+        }
         Err(_) => "Unknown".to_string()
     };
 
     let info = RunningKernelInfo {
         kernel: kernel,
-        version: version,
+        version: version.clone(),
         // didn't find a way to accurately get this, outside of sched-ext (https://github.com/CachyOS/kernel-manager/blob/develop/src/schedext-window.cpp)
-        sched: "TODO".to_owned()
+        sched: get_current_scheduler(version)
     };
 
     info
 }
 
+fn get_current_scheduler(version: String) -> String {
+    if Path::new("/sys/kernel/sched_ext/root/ops").exists() {
+        println!("sched_ext is detected, getting scx scheduler");
+        let scx_sched = "sched_ext: ".to_string() + fs::read_to_string("/sys/kernel/sched_ext/root/ops").unwrap().as_str();
+        scx_sched
+    } else if bore_check() {
+        "BORE".to_string()
+    } else if Version::from(&version) >= Version::from("6.6")  {
+        "EEVDF?".to_string()
+    } else {
+        "CFS?".to_string()
+    }
+}
+
+fn bore_check() -> bool {
+   let is_bore= match cmd!("sysctl", "-n", "kernel.sched_bore").read() {
+     Ok(t) => {
+         if t == "1" {
+             true
+         } else {
+             false
+         }
+     }
+       Err(_) => false
+   };
+    is_bore
+}
+
 fn create_kernel_badges(badge_box: &gtk::Box, running_kernel_info: &RunningKernelInfo) {
     let kernel_badges_size_group = gtk::SizeGroup::new(SizeGroupMode::Both);
     let kernel_badges_size_group0 = gtk::SizeGroup::new(SizeGroupMode::Both);