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Re: [tracecompass-dev] Per-CPU filtering the CPU Usage view
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Hi Matthew,
I've been thinking on a potentially similar problem for threads. Cedric
Biancheri here at the lab implemented a cool feature with a Resources
view-like view where it highlights the information related to a given
thread. But the thread selection mechanism is a bit hackish.
I was thinking that we could have an application-wide "Thread
selection". There would be providers (for instance, the Control Flow
View would provide thread selection when threads are selected) and
listeners who would get notifications when the selection changes (for
instance the Critical Path View. Also the Resources View could have a
'Follow Thread Selection' mode for Cedric's highlights).
My suggestion to you would this be to change 'Threads' for 'CPU' in what
I just wrote and have the Resources View as provider and CPU Usage view
as listener.
But that is just a proposition. I would eventually have written about it
to ask advice myself, so for what it's worth, it's out now!
Maybe the UX people have some comments on this?
Geneviève
On 01/29/2016 09:41 AM, Matthew Khouzam wrote:
> Hi all,
>
> Sorry for the redundant title. I was musing how to filter the cpu usage
> view on a per-cpu usage. It seems trivial at first. With 4 cores. A
> simple toolbar would suffice. However, this is a problem with many-core
> systems, like the Xeon-Phi. Those beasts have over 200 cores, and this
> is just going to get bigger. So do you have any suggestions for how to
> properly filter these views?
>
> I'm leaning towards a control flow view style filter view.
>
> Thoughts?
>
> Matthew
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