mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-10-31 14:38:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

scheduler: load balancing initial implementation

Browse Source
This commit is contained in:
Matheus
2025-08-25 22:41:17 -03:00
parent 5db78acd72
commit a11406a600
4 changed files with 155 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel-src/sys/scheduler/scheduler.c
+8 -2
View File
@@ -295,9 +295,11 @@ static void reschedule_yield(context_t *context, void *_cpu) {
spinlock_acquire(&current_cpu()->sched_lock);
thread_t *next = sched_select_next_thread();
spinlock_release(&current_cpu()->sched_lock);
arch_smp_send_ipi(cpu, cpu->reschedule_isr, ARCH_SMP_IPI_TARGET, false);
if (sched_thread_can_run_in_cpu(thread, cpu->last_queue, cpu->last_interactivity))
arch_smp_send_ipi(cpu, cpu->reschedule_isr, ARCH_SMP_IPI_TARGET, false);
spinlock_release(&current_cpu()->sched_lock);
switch_thread(next);
}
@@ -341,6 +343,7 @@ static void set_up_bitmaps(void) {
}
void sched_calendar_tick(context_t *, dpcarg_t);
void sched_load_balancer(context_t *, dpcarg_t);
void sched_ap_entry() {
SPINLOCK_INIT(current_cpu()->sched_lock);
@@ -367,6 +370,7 @@ void sched_ap_entry() {
}
void sched_init() {
static timerentry_t sched_load_balancer_entry;
proc_init();
SPINLOCK_INIT(current_cpu()->sched_lock);
@@ -399,6 +403,8 @@ void sched_init() {
timer_insert(current_cpu()->timer, &current_cpu()->schedtimerentry, reschedule_timer_dpc, NULL, QUANTUM_US, true);
timer_insert(current_cpu()->timer, &current_cpu()->calendar_tick_timer_entry, sched_calendar_tick, NULL, 10000, true);
// TODO randomize interval
timer_insert(current_cpu()->timer, &sched_load_balancer_entry, sched_load_balancer, NULL, 1000000, true);
// XXX move this resume to a more appropriate place
timer_resume(current_cpu()->timer);
}