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Use sched_bind() to make sure the DPC threads are bound to the correct

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processor, to insure DPC thread 0 runs on CPU0, DPC thread 1 runs on
CPU1, and so on.

Elevate the priority of the workitem threads, though don't use as
high a priority as the DPC threads.
This commit is contained in:
Bill Paul 2005-10-20 17:45:58 +00:00
parent 909ed16c2b
commit 1e956d87e1
1 changed files with 15 additions and 1 deletions
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16
sys/compat/ndis/subr_ntoskrnl.c
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@ -2557,6 +2557,18 @@ ntoskrnl_workitem_thread(arg)
KeInitializeEvent(&kq->kq_proc, EVENT_TYPE_SYNC, FALSE);
KeInitializeEvent(&kq->kq_dead, EVENT_TYPE_SYNC, FALSE);
/*
* Boost the priority of the workitem threads,
* though don't boost it as much as the DPC threads.
*/
mtx_lock_spin(&sched_lock);
sched_prio(curthread, PRIBIO);
#if __FreeBSD_version < 600000
curthread->td_base_pri = PRIBIO;
#endif
mtx_unlock_spin(&sched_lock);
while (1) {
KeWaitForSingleObject(&kq->kq_proc, 0, 0, TRUE, NULL);
@ -3562,7 +3574,9 @@ ntoskrnl_dpc_thread(arg)
*/
mtx_lock_spin(&sched_lock);
sched_pin();
#if __FreeBSD_version >= 502102
sched_bind(curthread, kq->kq_cpu);
#endif
sched_prio(curthread, PRI_MIN_KERN);
#if __FreeBSD_version < 600000
curthread->td_base_pri = PRI_MIN_KERN;