Re: [PATCH] perf symbol: Fail to read phdr workaround

[Leo Yan]

On Mon, Aug 01, 2022 at 09:38:23AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Sun, Jul 31, 2022 at 11:19:15PM -0700, Ian Rogers escreveu:
> > On Sun, Jul 31, 2022, 6:53 PM Leo Yan <leo.yan@xxxxxxxxxx> wrote:
> > 
> > > On Sun, Jul 31, 2022 at 09:49:23AM -0700, Ian Rogers wrote:
> > > > The perf jvmti agent doesn't create program headers, in this case
> > > > fallback on section headers as happened previously.
> > > >
> > > > Fixes: 882528d2e776 ("perf symbol: Skip symbols if SHF_ALLOC flag is not
> > > set")
> > >
> > > It's good to change fix tag as:
> > > Fixes: 2d86612aacb7 ("perf symbol: Correct address for bss symbols")
> > >
> > 
> > Doh! I was rushing this morning. Thanks for catching and reviewing!
> 
> I made the adjustments and added a note with the repro, to help in the
> future when trying to test this area.

Thanks, Arnaldo.

> I also think we could have something like a 'perf test' mode where, when
> asked to, it would enable tests that involve downloading such files to
> perform tests, such as this dacapo benchmark, and then would test if the
> output matches expectations.

I will add a testing based on the steps, alongside with the discussed
testing for data symbols.  Will share out after get ready.

Thanks,
Leo