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Re: [tracecompass-dev] TimeGraphView Visualization Bug

Hi Aleix,

I think it's because XML Time Graph views do not draw sampling gaps at all.

I wrote a bug to track this [1]. Can you check if the patch [2] fixes your issue?

Thanks,
Patrick

[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=534773
[2] https://git.eclipse.org/r/122806


On Wed, May 16, 2018 at 12:48 PM, Aleix Roca Nonell <aleix.rocanonell@xxxxxx> wrote:
Sorry, I forgot to mention that this happens on a custom XML Time Graph View.
I'm attaching the custom view that I'm using and an example trace
(2GiB when uncompressed).

https://mega.nz/#!yZIi2awZ!GkWbwnQb080YfDILVaKTEHM8k1YeLY8eh6YEyqrAFsk

I also confirm that the problem persists on the latest Trace Compass night
build.

On Wed, May 16, 2018 at 05:23:17PM +0200, Aleix Roca Nonell wrote:
> Hello list!
>
> I'm having eye ache analyzing an application with Trace Compass due to
> a visualization bug which has been in mainstream for some time. I have
> detected two problems:
>
>Â - The fist one is missing "small black dots" that highlight events
>Â Â not being drawn on screen because of having a too high zoom out.
>Â - The second appears as I'm zooming in little by little. I see how
>Â Â small events appear and disappear i.e. in zoom A an event (small
>Â Â rectangle) is being drawn, but in zoom A+1 this event has
>Â Â completely disappeared. The process repeats until events
>Â Â "stabilize".
>
> Please, take a look at the following sequence of screenshots which try
> to better ilustrate the problem. Each screenshot increases by one the
> zoom level with respect to the previous image. The correct ordering is
> the timestamp in the image name (just sort it by name if downloaded).
>
> https://drive.google.com/open?id=12AcE0G33F-SIB2fDprE84eSENMGFIBqZ
>
> I'm using the last stable release of Trace Compass 3.3.0.
>
> Could you try to fix it? It's hard to find specific events if they
> only apprear when zooming in the area.
>
> Thank you!
>
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