Re: [PATCH 1/1] perf build: fix "argument list too long" in second location

[Markus Mayer]

On Tue, 14 Apr 2026 at 03:43, James Clark <james.clark@xxxxxxxxxx> wrote:
>
> On 11/04/2026 02:07, Markus Mayer wrote:
> > On Fri, 10 Apr 2026 at 02:25, James Clark <james.clark@xxxxxxxxxx> wrote:
> >>
> >> On 09/04/2026 11:14 pm, Markus Mayer wrote:
> >>> Turns out that displaying "RM $^" via quiet_cmd_rm can also upset the
> >>> shell and cause it to display "argument list too long".
> >>>
> >>> Trying to quote $^ doesn't help.
> >>>
> >>> In the end, *not* displaying the (potentially long) list of files is
> >>> probably the right thing to do for a "quiet" message, anyway. Instead,
> >>> let's display a count of how many files were removed. There is always
> >>> V=1 if more detail is required.
> >>>
> >>>     TEST    linux/tools/perf/pmu-events/metric_test.log
> >>>     RM      ...634 orphan file(s)...
> >>>     LD      linux/tools/perf/util/perf-util-in.o
> >>>
> >>> Also move the comment regarding xargs before the rule, so it doesn't
> >>> show up in the build output.
> >>>
> >>
> >> I'm assuming this is just a cosmetic issue so it doesn't need a fixes
> >> tag? And "upsetting the shell" doesn't cause a build failure?
> >
> > No. It's not just cosmetic. It absolutely DOES cause a build failure.
> >
> >  From the cover letter in this thread:
> >
> >    GEN     linux/tools/perf/pmu-events/arch/arm64/arm/neoverse-v3/extra-metricgroups.json
> >    TEST    linux/tools/perf/pmu-events/metric_test.log
> > make[5]: /bin/sh: Argument list too long
> > make[5]: *** [pmu-events/Build:220: prune_orphans] Error 127
> >
>
> Ah in that case it should have a fixes: tag then. And it's worth putting
> the actual build failure in the commit message IMO.

Unfortunately, it looks like the patch was already applied.[1] Is
there anything I (or someone else) can do to fix up that commit
message in the way you are suggesting?

Thanks,
-Markus

[1] https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/commit/?h=perf-tools-next&id=97ab89686a9e