d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

updatepri() works on a ksegrp (where the scheduling parameters are), so

Browse Source 
directly give it the ksegrp instead of the thread.  The only thing it used
to use in the thread was the ksegrp.

Reviewed by:	julian
This commit is contained in:
Peter Wemm 2002-08-28 23:45:15 +00:00
parent 97e2d5fc53
commit d13947c3b0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=102544
3 changed files with 24 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/kern/kern_condvar.c
View File

@ -507,6 +507,7 @@ static __inline void
cv_wakeup(struct cv *cvp)
{
struct thread *td;
struct ksegrp *kg;
mtx_assert(&sched_lock, MA_OWNED);
td = TAILQ_FIRST(&cvp->cv_waitq);
@ -519,9 +520,10 @@ cv_wakeup(struct cv *cvp)
/* OPTIMIZED EXPANSION OF setrunnable(td); */
CTR3(KTR_PROC, "cv_signal: thread %p (pid %d, %s)",
td, td->td_proc->p_pid, td->td_proc->p_comm);
if (td->td_ksegrp->kg_slptime > 1) /* XXXKSE */
updatepri(td);
td->td_ksegrp->kg_slptime = 0;
kg = td->td_ksegrp;
if (kg->kg_slptime > 1) /* XXXKSE */
updatepri(kg);
kg->kg_slptime = 0;
if (td->td_proc->p_sflag & PS_INMEM) {
setrunqueue(td);
maybe_resched(td);

35
sys/kern/kern_synch.c
View File

@ -376,16 +376,11 @@ schedcpu(arg)
* least six times the loadfactor will decay p_estcpu to zero.
*/
void
updatepri(td)
register struct thread *td;
updatepri(struct ksegrp *kg)
{
register struct ksegrp *kg;
register unsigned int newcpu;
register fixpt_t loadfac = loadfactor(averunnable.ldavg[0]);
if (td == NULL)
return;
kg = td->td_ksegrp;
newcpu = kg->kg_estcpu;
if (kg->kg_slptime > 5 * loadfac)
kg->kg_estcpu = 0;
@ -395,7 +390,7 @@ updatepri(td)
newcpu = decay_cpu(loadfac, newcpu);
kg->kg_estcpu = newcpu;
}
resetpriority(td->td_ksegrp);
resetpriority(kg);
}
/*
@ -705,6 +700,7 @@ wakeup(ident)
register struct slpquehead *qp;
register struct thread *td;
struct thread *ntd;
struct ksegrp *kg;
struct proc *p;
mtx_lock_spin(&sched_lock);
@ -720,9 +716,10 @@ wakeup(ident)
/* OPTIMIZED EXPANSION OF setrunnable(p); */
CTR3(KTR_PROC, "wakeup: thread %p (pid %d, %s)",
td, p->p_pid, p->p_comm);
if (td->td_ksegrp->kg_slptime > 1)
updatepri(td);
td->td_ksegrp->kg_slptime = 0;
kg = td->td_ksegrp;
if (kg->kg_slptime > 1)
updatepri(kg);
kg->kg_slptime = 0;
if (p->p_sflag & PS_INMEM) {
setrunqueue(td);
maybe_resched(td);
@ -754,6 +751,7 @@ wakeup_one(ident)
register struct thread *td;
register struct proc *p;
struct thread *ntd;
struct ksegrp *kg;
mtx_lock_spin(&sched_lock);
qp = &slpque[LOOKUP(ident)];
@ -768,9 +766,10 @@ wakeup_one(ident)
/* OPTIMIZED EXPANSION OF setrunnable(p); */
CTR3(KTR_PROC,"wakeup1: thread %p (pid %d, %s)",
td, p->p_pid, p->p_comm);
if (td->td_ksegrp->kg_slptime > 1)
updatepri(td);
td->td_ksegrp->kg_slptime = 0;
kg = td->td_ksegrp;
if (kg->kg_slptime > 1)
updatepri(kg);
kg->kg_slptime = 0;
if (p->p_sflag & PS_INMEM) {
setrunqueue(td);
maybe_resched(td);
@ -794,7 +793,7 @@ wakeup_one(ident)
* The machine independent parts of mi_switch().
*/
void
mi_switch()
mi_switch(void)
{
struct bintime new_switchtime;
struct thread *td = curthread; /* XXX */
@ -931,6 +930,7 @@ void
setrunnable(struct thread *td)
{
struct proc *p = td->td_proc;
struct ksegrp *kg;
mtx_assert(&sched_lock, MA_OWNED);
switch (p->p_state) {
@ -960,9 +960,10 @@ setrunnable(struct thread *td)
case TDS_RUNQ: /* not yet had time to suspend */
break;
}
if (td->td_ksegrp->kg_slptime > 1)
updatepri(td);
td->td_ksegrp->kg_slptime = 0;
kg = td->td_ksegrp;
if (kg->kg_slptime > 1)
updatepri(kg);
kg->kg_slptime = 0;
if ((p->p_sflag & PS_INMEM) == 0) {
td->td_state = TDS_SWAPPED;
if ((p->p_sflag & PS_SWAPPINGIN) == 0) {

2
sys/sys/proc.h
View File

@ -829,7 +829,7 @@ void cpu_idle(void);
void cpu_switch(void);
void cpu_throw(void) __dead2;
void unsleep(struct thread *);
void updatepri(struct thread *);
void updatepri(struct ksegrp *);
void userret(struct thread *, struct trapframe *, u_int);
void maybe_resched(struct thread *);