diff options
Diffstat (limited to 'sys/kern/sched_ule.c')
| -rw-r--r-- | sys/kern/sched_ule.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c index 74ae85f..25c827a 100644 --- a/sys/kern/sched_ule.c +++ b/sys/kern/sched_ule.c @@ -1450,6 +1450,21 @@ sched_initticks(void *dummy) * a [0, 100] integer. This is the voluntary sleep time of a process, which * differs from the cpu usage because it does not account for time spent * waiting on a run-queue. Would be prettier if we had floating point. + * + * When a thread's sleep time is greater than its run time the + * calculation is: + * + * scaling factor + * interactivity score = --------------------- + * sleep time / run time + * + * + * When a thread's run time is greater than its sleep time the + * calculation is: + * + * scaling factor + * interactivity score = --------------------- + scaling factor + * run time / sleep time */ static int sched_interact_score(struct thread *td) @@ -2080,6 +2095,8 @@ sched_fork_thread(struct thread *td, struct thread *child) */ ts = td->td_sched; ts2 = child->td_sched; + child->td_oncpu = NOCPU; + child->td_lastcpu = NOCPU; child->td_lock = TDQ_LOCKPTR(tdq); child->td_cpuset = cpuset_ref(td->td_cpuset); ts2->ts_cpu = ts->ts_cpu; @@ -2703,6 +2720,8 @@ sched_throw(struct thread *td) MPASS(td->td_lock == TDQ_LOCKPTR(tdq)); tdq_load_rem(tdq, td); lock_profile_release_lock(&TDQ_LOCKPTR(tdq)->lock_object); + td->td_lastcpu = td->td_oncpu; + td->td_oncpu = NOCPU; } KASSERT(curthread->td_md.md_spinlock_count == 1, ("invalid count")); newtd = choosethread(); |
