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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/generic/src/proc/scheduler.c @ 1853

  → /trunk/kernel/generic/src/proc/scheduler.c @ 1854

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 1853 → Rev 1854

/trunk/kernel/generic/src/proc/scheduler.c
141,8 → 141,7
/* Might sleep */
spinlock_unlock(&THREAD->lock);
spinlock_unlock(&CPU->lock);
THREAD->saved_fpu_context = slab_alloc(fpu_context_slab,
0);
THREAD->saved_fpu_context = slab_alloc(fpu_context_slab, 0);
/* We may have switched CPUs during slab_alloc */
goto restart;
}
235,9 → 234,10
t->priority = i; /* correct rq index */
/*
* Clear the X_STOLEN flag so that t can be migrated when load balancing needs emerge.
* Clear the THREAD_FLAG_STOLEN flag so that t can be migrated
* when load balancing needs emerge.
*/
t->flags &= ~X_STOLEN;
t->flags &= ~THREAD_FLAG_STOLEN;
spinlock_unlock(&t->lock);
return t;
349,7 → 349,8
* scheduler_separated_stack().
*/
context_save(&CPU->saved_context);
context_set(&CPU->saved_context, FADDR(scheduler_separated_stack), (uintptr_t) CPU->stack, CPU_STACK_SIZE);
context_set(&CPU->saved_context, FADDR(scheduler_separated_stack),
(uintptr_t) CPU->stack, CPU_STACK_SIZE);
context_restore(&CPU->saved_context);
/* not reached */
}
483,7 → 484,8
THREAD->state = Running;
#ifdef SCHEDULER_VERBOSE
printf("cpu%d: tid %d (priority=%d,ticks=%lld,nrdy=%ld)\n", CPU->id, THREAD->tid, THREAD->priority, THREAD->ticks, atomic_get(&CPU->nrdy));
printf("cpu%d: tid %d (priority=%d,ticks=%lld,nrdy=%ld)\n",
CPU->id, THREAD->tid, THREAD->priority, THREAD->ticks, atomic_get(&CPU->nrdy));
#endif
/*
556,7 → 558,7
/*
* Not interested in ourselves.
* Doesn't require interrupt disabling for kcpulb is X_WIRED.
* Doesn't require interrupt disabling for kcpulb has THREAD_FLAG_WIRED.
*/
if (CPU == cpu)
continue;
577,12 → 579,14
while (l != &r->rq_head) {
t = list_get_instance(l, thread_t, rq_link);
/*
* We don't want to steal CPU-wired threads neither threads already stolen.
* The latter prevents threads from migrating between CPU's without ever being run.
* We don't want to steal threads whose FPU context is still in CPU.
* We don't want to steal CPU-wired threads neither threads already
* stolen. The latter prevents threads from migrating between CPU's
* without ever being run. We don't want to steal threads whose FPU
* context is still in CPU.
*/
spinlock_lock(&t->lock);
if ( (!(t->flags & (X_WIRED | X_STOLEN))) && (!(t->fpu_context_engaged)) ) {
if ((!(t->flags & (THREAD_FLAG_WIRED | THREAD_FLAG_STOLEN))) &&
(!(t->fpu_context_engaged)) ) {
/*
* Remove t from r.
*/
608,9 → 612,11
*/
spinlock_lock(&t->lock);
#ifdef KCPULB_VERBOSE
printf("kcpulb%d: TID %d -> cpu%d, nrdy=%ld, avg=%nd\n", CPU->id, t->tid, CPU->id, atomic_get(&CPU->nrdy), atomic_get(&nrdy) / config.cpu_active);
printf("kcpulb%d: TID %d -> cpu%d, nrdy=%ld, avg=%nd\n",
CPU->id, t->tid, CPU->id, atomic_get(&CPU->nrdy),
atomic_get(&nrdy) / config.cpu_active);
#endif
t->flags |= X_STOLEN;
t->flags |= THREAD_FLAG_STOLEN;
t->state = Entering;
spinlock_unlock(&t->lock);