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Re-enable CFS

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This commit is contained in:
Zejun Zhao
2025-01-22 14:08:35 +08:00
committed by Tate, Hongliang Tian
parent c2f48a41db
commit d71771e49a
17 changed files with 102 additions and 512 deletions
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15
kernel/src/syscall/set_get_priority.rs
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@ -6,14 +6,17 @@ use super::SyscallReturn;
use crate::{
prelude::*,
process::{posix_thread::AsPosixThread, process_table, Pgid, Pid, Process, Uid},
sched::priority::{Nice, NiceRange},
sched::Nice,
};
pub fn sys_set_priority(which: i32, who: u32, prio: i32, ctx: &Context) -> Result<SyscallReturn> {
let prio_target = PriorityTarget::new(which, who, ctx)?;
let new_nice = {
let nice_raw = prio.clamp(NiceRange::MIN as i32, NiceRange::MAX as i32) as i8;
Nice::new(NiceRange::new(nice_raw))
let new_nice: Nice = {
let nice_raw = prio.clamp(
Nice::MIN.value().get() as i32,
Nice::MAX.value().get() as i32,
) as i8;
nice_raw.try_into().unwrap()
};
debug!(
@ -35,9 +38,9 @@ pub fn sys_get_priority(which: i32, who: u32, ctx: &Context) -> Result<SyscallRe
let processes = get_processes(prio_target)?;
let highest_prio = {
let mut nice = NiceRange::MAX;
let mut nice = Nice::MAX.value().get();
for process in processes.iter() {
let proc_nice = process.nice().load(Ordering::Relaxed).range().get();
let proc_nice = process.nice().load(Ordering::Relaxed).value().get();
// Returns the highest priority enjoyed by the processes
if proc_nice < nice {
nice = proc_nice;