Re: [perf top] annotation doesn't work, libunwind doesn't seem to be working either

[Ingo Molnar <mingo@kernel.org>]

* Arnaldo Carvalho de Melo <acme@kernel.org> wrote:

> On Wed, Apr 09, 2025 at 04:17:11PM -0300, Arnaldo Carvalho de Melo wrote:
> > On Wed, Apr 09, 2025 at 12:57:05PM -0300, Arnaldo Carvalho de Melo wrote:
> > > On Wed, Apr 09, 2025 at 09:19:01AM -0300, Arnaldo Carvalho de Melo wrote:
> > > > On Tue, Apr 08, 2025 at 11:23:54PM -0300, Arnaldo Carvalho de Melo wrote:
> > > > > On Tue, Apr 08, 2025 at 10:05:15AM +0200, Ingo Molnar wrote:
> > > > > >      - Yay! But very unintuitive. The intuitive step would have been 
> > > > > >        the left arrow key BTW. (with restoring the cursor position to 
> > > > > >        the cc1 entry I pressed 'Enter' on originally), but that doesn't 
> > > >  
> > > > > That is how I implemented it initially, yes, over 10 years ago.
> > > > 
> > > > I'll experiment with making the Left arrow key, if already on the first
> > > > column, to work as zoom out.
> > > 
> > > Can you try this, on top of the series or even just this, pressing left
> > > should do what we want.
> > 
> > This is working for zooming into/out of a DSO, but for threads, which is
> > what you described, it is not working, checking that...
> 
> Using 't' to zoom into a thread and then LEFT to zoom out works, ditto
> for 'd' + LEFT, 'k' (zoom into the kernel) + LEFT its just 'm' + thread
> or ENTER + Zoom into Thread that isn't working...
> 
> Not even that, there is something subtle, investigating.
> 
> But as a suggestion, pressing 't' zooms into a thread, pressing it again
> zooms out of that thread, rinse repeat.

Indeed, this works it around. It's not *that* easy though: 't' goes 
into thread view, but has to be pressed another 3(?) times to get back 
to the previous non-threaded view again.

> 
> Ditto for 'd' for DSO and 'k' for the kernel DSO, 'S' for a CPU socket
> (Kan Liang implemented this, but not for 'c' CPU, will try to add that).
> 
> Anyway, back to the bug.

Thanks for having a look! :)

	Ingo