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SubjectRe: [BUG] CFS vs cpu hotplug
On Thu, Jun 19, 2008 at 08:14:02PM +0200, Peter Zijlstra wrote:
> On Thu, 2008-06-19 at 20:05 +0200, Peter Zijlstra wrote:
> > On Thu, 2008-06-19 at 18:19 +0200, Heiko Carstens wrote:
>
> > > The sched_entity that belongs to the cfs_rq:
> > >
> > > >> px *(sched_entity *) 0x759300
> > > struct sched_entity {
> > > load = struct load_weight {
> > > weight = 0x800
> > > inv_weight = 0x1ffc01
> > > }
> > > run_node = struct rb_node {
> > > rb_parent_color = 0x1
> > > rb_right = (nil)
> > > rb_left = (nil)
> > > }
> > > group_node = struct list_head {
> > > next = 0x75a3b8
> > > prev = 0x75a3b8
> > > }
> > > on_rq = 0x1
> > > exec_start = 0x189685acb4aa46
> > > sum_exec_runtime = 0x188a2b84c
> > > vruntime = 0xd036bd29
> > > prev_sum_exec_runtime = 0x1672e3f62
> > > last_wakeup = 0x0
> > > avg_overlap = 0x0
> > > parent = (nil)
> > > cfs_rq = 0x75a380
> > > my_q = 0x759400
> > > }
>
> Ooh, this thing is with CONFIG_GROUP_SCHED... does it still happen when
> you disable that?

Indeed, when CONFIG_GROUP_SCHED is disabled I cannot reproduce it anymore.


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