int
pmcsetctr(uint32_t coreno, uint64_t v, uint32_t regno)
{
PmcCtr *p;
Mach *mp;
if(coreno == machp()->machno){
if (pmcdebug) {
print("int getctr[%#ux, %#ux] = %#llux\n", regno, coreno, v);
}
return setctr(v, regno);
}
mp = sys->machptr[coreno];
p = &mp->pmc[regno];
if (pmcdebug) {
print("ext setctr[%#ux, %#ux] = %#llux\n", regno, coreno, v);
}
ilock(&mp->pmclock);
p->ctr = v;
p->ctrset |= PmcSet;
if(shouldipi(mp))
waitnotstale(mp, p);
else
iunlock(&mp->pmclock);
return 0;
}
void
pmcupdate(Mach *m)
{
PmcCtr *p;
int i, maxct, wk;
PmcWait *w;
return;
maxct = pmcnregs();
for (i = 0; i < maxct; i++) {
p = &m->pmc[i];
ilock(&m->pmclock);
if(p->ctrset & PmcSet)
setctr(p->ctr, i);
if(p->ctlset & PmcSet)
setctl(&p->PmcCtl, i);
p->ctr = getctr(i);
getctl(&p->PmcCtl, i);
p->ctrset = PmcIgn;
p->ctlset = PmcIgn;
wk = p->stale;
p->stale = 0;
if(wk){
for(w = p->wq; w != nil; w = w->next){
p->wq = w->next;
wakeup(&w->rend);
pmcwclose(w);
}
}
iunlock(&m->pmclock);
}
}
int
pmcsetctr(u32int coreno, u64int v, u32int regno)
{
PmcCtr *p;
Mach *mp;
if(coreno == m->machno){
if (pmcdebug) {
print("int getctr[%#ux, %#ux] = %#llux\n", regno, coreno, v);
}
return setctr(v, regno);
}
mp = sys->machptr[coreno];
p = &mp->pmc[regno];
if (pmcdebug) {
print("ext setctr[%#ux, %#ux] = %#llux\n", regno, coreno, v);
}
ilock(&mp->pmclock);
p->ctr = v;
p->ctrset |= PmcSet;
p->stale = 1;
if(mp->proc != nil || mp->nixtype != NIXAC)
waitnotstale(mp, p);
else
iunlock(&mp->pmclock);
return 0;
}
