OliverWang

Thanks. Is this pin tracks feature supported. Are there any threads talking about this feature. I searched and found nothing.

Hi @LalitMaganti , It seems this ordering feature breaks perfetto ui track auto-merge-same-track-name feature (I don't know if it is a really a feature but found it's useful). Eg, when...

That make sense. Thanks and will try your suggestion.

Tried your suggested approach. I added an empty track_descriptor and set it as some merged tracks' parent. However, it is not explicit set. Please check my attached trace. I set...

I set sibling_order_rank for all children of process descriptor “My Process”. I am expecting all children of "My process" get sorted and `Handler Thread#7` show on top. 

Is merging and ordering mutally exclusive on basis of whole trace of just exclusive on only one group of tracks? I am expecting this should work. I am expecting the...

I noticed that, and tried playing some trick on this. I inherit a track_descriptor directly from this process and adding track_descriptors to this inherited one. But I seems ui still...

So the last approach would be `UI plugin and pin` if I want both track merging feature and sorting feature at thread level? UI plugin is a good feature but...

> But also you can just drop the process descriptor for now and that will allow your traces to correctly be visualized. Since you are manually synthesizing tracks anyway, is...

Hi @LalitMaganti , it seems eliminating process descriptor and all slices won't show. Trace is attached.  [track_composer_v2.zip](https://github.com/user-attachments/files/17823517/track_composer_v2.zip)