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Do a better job of calculating the RSS for swapped-out processes:

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don't include the kernel stacks of swapped-out threads in the page count,
but do include the alternate kernel stack. jhb provided some helpful
comments on this.

PR:		49102
This commit is contained in:
Tim J. Robbins 2003-04-24 11:03:04 +00:00
parent 70ce116756
commit ceff7f2a48
1 changed files with 9 additions and 3 deletions
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12
sys/kern/kern_proc.c
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@ -662,10 +662,16 @@ fill_kinfo_proc(p, kp)
kp->ki_size = vm->vm_map.size;
kp->ki_rssize = vmspace_resident_count(vm); /*XXX*/
if (p->p_sflag & PS_INMEM)
if (p->p_sflag & PS_INMEM) {
kp->ki_rssize += UAREA_PAGES;
FOREACH_THREAD_IN_PROC(p, td0)/* XXXKSE: thread swapout check */
kp->ki_rssize += KSTACK_PAGES;
FOREACH_THREAD_IN_PROC(p, td0) {
if (!TD_IS_SWAPPED(td0))
kp->ki_rssize += td0->td_kstack_pages;
if (td0->td_altkstack_obj != NULL)
kp->ki_rssize +=
td0->td_altkstack_pages;
}
}
kp->ki_swrss = vm->vm_swrss;
kp->ki_tsize = vm->vm_tsize;
kp->ki_dsize = vm->vm_dsize;