On Thu, Jun 19, 2008 at 11:32:29PM +0200, Peter Zijlstra wrote:
quoted text
> 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
> > > }
> 
> If you still have this dump, could you give the output of:
> 
> px *(struct cfs_rq *) 0x759400
> 
> And possibly walk down the chain getting its curr and then my_q again
> etc..

Sure, fortunately just a very short chain:

quoted text
>> px *(struct cfs_rq *) 0x759400
struct cfs_rq {
        load = struct load_weight {
                weight = 0xc31
                inv_weight = 0x0
        }
        nr_running = 0x1
        exec_clock = 0x0
        min_vruntime = 0x4f216b005
        tasks_timeline = struct rb_root {
                rb_node = 0x2fca4d40
        }
        rb_leftmost = 0x2fca4d40
        tasks = struct list_head {
                next = 0x2fca4d58
                prev = 0x2fca4d58
        }
        balance_iterator = 0x2e29e700
        curr = 0x2ef4f388
        next = (nil)
        nr_spread_over = 0x0
        rq = 0x75a300
        leaf_cfs_rq_list = struct list_head {
                next = 0x75aaa0
                prev = 0x2e1eca70
        }
        tg = 0x564910
}

quoted text
>> px *(sched_entity *) 0x2ef4f388
struct sched_entity {
        load = struct load_weight {
                weight = 0x400
                inv_weight = 0x400000
        }
        run_node = struct rb_node {
                rb_parent_color = 0x2f07b399
                rb_right = (nil)
                rb_left = (nil)
        }
        group_node = struct list_head {
                next = 0x2ef4f3b0
                prev = 0x2ef4f3b0
        }
        on_rq = 0x0
        exec_start = 0x189685c9a77b96
        sum_exec_runtime = 0x3c51111
        vruntime = 0x493becf68
        prev_sum_exec_runtime = 0x3c50997
        last_wakeup = 0x0
        avg_overlap = 0x4b67d1
        parent = 0x763300
        cfs_rq = 0x763400
        my_q = (nil)
}
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