863453 - [meta] Support c++ unwinding in fennec nightly

Status: RESOLVED FIXED

(Core :: Gecko Profiler, defect)

Description

[Benoit Girard (:BenWa)]

This bug tracks the work required to be able to install a fennec nightly APK in a locked phone and dump profiles that include full native C++ stack via native unwinding that reach back to XRE_Main the majority of the time.

Comment 1

[(inactive) Jim Chen [:jchen] [:darchons]]

We can also use this to include C++ stacks in ANR reports.

Comment 2

[Benoit Girard (:BenWa)]

I'd rather not make this increase the scope further then it already is. I hope to expose our unwinding features via bug 809317 which would provide the useful unwind possible. Can you file another bug to discuss that?

Comment 3

[(inactive) Jim Chen [:jchen] [:darchons]]

(In reply to Benoit Girard (:BenWa) from comment #2)
> I'd rather not make this increase the scope further then it already is. I
> hope to expose our unwinding features via bug 809317 which would provide the
> useful unwind possible. Can you file another bug to discuss that?

Yeah of course. Comment 1 was just a general comment about the usefulness of having unwinding in Fennec.

Comment 4

[Panos Astithas (he/him) [:past] (please ni?)]

Markus, is there anything left to be done in this bug? The dependencies are all fixed.

Comment 5

[Markus Stange [:mstange]]

I think this is working. Makoto, can you confirm?

Comment 6

[Makoto Kato [:m_kato]]

(In reply to Markus Stange [:mstange] from comment #5)
> I think this is working. Makoto, can you confirm?

Yes, arm's EHABI stack walker works well. so this has already fixed.