Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN

[Qais Yousef]

On 02/09/23 23:37, Yafang Shao wrote:
> On Thu, Feb 9, 2023 at 10:28 PM Kajetan Puchalski
> <kajetan.puchalski@xxxxxxx> wrote:
> >
> > On Thu, Feb 09, 2023 at 02:20:36PM +0800, Yafang Shao wrote:
> >
> > [...]
> >
> > Hi Yafang,
> >
> > > Many thanks for the detailed analysis. Seems it can work.
> > >
> > > Hi John,
> > >
> > > Could you pls. try the attached fix ? I have verified it in my test env.
> >
> > I tested the patch on my environment where I found the issue with newer
> > kernels + older Perfetto. The patch does improve things so that's nice.
> 
> Thanks for the test. I don't have Perfetto in hand, so I haven't
> verify Perfetto.

FWIW, perfetto is not android specific and can run on normal linux distro setup
(which I do but haven't noticed this breakage).

It's easy to download the latest release (including for android though I never
tried that) from github

	https://github.com/google/perfetto/releases

Kajetan might try to see if he can pick the latest version which IIUC contains
a workaround.

If this simple patch can be tweaked to make it work again against older
versions that'd be nice though.

HTH.


Cheers

--
Qais Yousef