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Re: [tracecompass-dev] Questions about trace compass
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- From: tracecompass developer discussions <tracecompass-dev@xxxxxxxxxxx>
- Date: Mon, 20 Apr 2020 08:59:40 -0400
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Hi Mia,
I'm not Matthew, but I'll answer nonetheless. Thank you for your
interest in Trace Compass. Anwers inline:
On 4/20/20 3:56 AM, tracecompass
developer discussions wrote:
Hi Matthew,
A few more questions. I see
that I cannot use Timegraph views to achieve this easily. So
was wondering if we take a route where you decide to support
features I need, how would that look like? Would I be mainly
developing this part or would I have help of other Trace
Compass developers?
I guess you would be mainly developing this part. Trace Compass
developers will be present to discuss and review code. The best
approach would be to discuss your implementation plan before
starting the work, as we can point you in the right direction if
required and if we all agree on the approach, reviews will be much
easier. We can have virtual meetings anytime.
How much time does it take approximately to implement new
features (in general)?
It really depends 1- on your experience with java and 2- how much
changes need to be done to the core Trace Compass or not
In an ideal world, your feature could be totally implemented in
the incubator [1] (at least for the start) and you do not need to
touch the mainline repo. You can use the Trace Compass API to
implement your feature
In this scenario, you could copy/paste various views/classes from
the mainline Trace Compass repo (see the repos here [2]), modify
them, experiment with them and later, some of the code can be
moved to mainline if required.
As an example, a new contributor, Ivan, has added the support of
a view containing the various Trace Compass views as viewers,
saving a lot of real estate. The contribution is in the Incubator
(called MultiView), but required a few changes in mainline, which
were accepted quite fast. The various viewers started as copies of
the Trace Compass main views.
Another thing, any idea if/what could I possibly reuse in Trace
Compass to achieve highlighting of a few Timegraph entries while
the other ones are grayed out (see attached screenshot). I am
aware of highlighting of the traces in the event table, but not
that something like this exists in Trace Compass.
This feature is available. You can search/highlight views, either
locally (by pressing the '/' key in timegraphs and entering your
query in the search box), or globally (the "global filters" feature
of the incubator, that you can install with 'Tools' -> 'Add-ons',
then opening the 'Global Filters' view (Window -> Show View) and
entering your search). Documentation on search/filter is here [3]
[1] https://wiki.eclipse.org/Trace_Compass/Incubator_Guidelines
[2]
https://wiki.eclipse.org/Trace_Compass/Development_Environment_Setup
[3]
http://archive.eclipse.org/tracecompass/doc/stable/org.eclipse.tracecompass.doc.user/Trace-Compass-Main-Features.html#Filtering_Time_Events_in_Time_Graph_Views
Best regards,
Geneviève
