[PATCH 0/4] Introduce perf build subcommand

Aditya Gupta adityag at linux.ibm.com
Sun Aug 27 17:17:30 AEST 2023


Hello,

On Fri, Aug 25, 2023 at 10:07:28AM -0700, Namhyung Kim wrote:
> Hello,
> 
> On Thu, Aug 24, 2023 at 11:11 PM Aditya Gupta <adityag at linux.ibm.com> wrote:
> >
> > <...>
> >
> > Proposed solution
> > =================
> >
> > As suggested by contributors in:
> > https://lore.kernel.org/linux-perf-users/ZMPWk5K63tadmDlU@kernel.org/
> >
> > Introduce a subcommand "perf build --has", with which
> > scripts can test for presence of a feature, such as:
> >
> >     perf build --has HAVE_FEATURE
> >
> > <...>
> 
> I'm not sure 'perf build' is a good name, it sounds like it needs to build
> something.  Maybe 'perf check --feature XXX' ?
> 
> Then we can extend the perf check command to *check* system
> settings like perf_event_paranoid, kptr_restrict, nmi_watchdog
> and so on, and possibly provides some advice or even change
> the values easily.
> 
> What do you think?
> 

Sure, the said confusion due to 'build' makes sense. I will discuss with athira
also and post a V2 with suggested change.

And, since a new subcommand is being introduced, where do I add a
documentation, such that it can be visible in a manpage etc, similar to
perf-version(1) ?

Thanks,
Aditya Gupta



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