linux-kernel - Re: [Linux v5.19-rc1] tools/perf/a.out remains after make -C tools/perf clean

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Date:   Tue, 14 Jun 2022 16:24:49 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Sedat Dilek <sedat.dilek@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Linux v5.19-rc1] tools/perf/a.out remains after make -C
 tools/perf clean

Em Tue, Jun 07, 2022 at 08:59:31PM +0200, Sedat Dilek escreveu:
> Hi,
> 
> I observed this some time ago - so this is not only Linux v5.19-rc1 related.
> 
> $ LC_ALL=C make -C tools/perf clean 2>&1 | tee ../make-log_perf-clean.txt
> make: Entering directory '/home/dileks/src/linux-kernel/git/tools/perf'
>  CLEAN   x86
>  CLEAN   libtraceevent
>  CLEAN   libapi
>  CLEAN   libbpf
>  CLEAN   libsubcmd
>  CLEAN   libperf
>  CLEAN   fixdep
>  CLEAN   feature-detect
>  CLEAN   python
>  CLEAN   bpf-skel
>  CLEAN   core-objs
>  CLEAN   core-progs
>  CLEAN   core-gen
>  CLEAN   Documentation
> make: Leaving directory '/home/dileks/src/linux-kernel/git/tools/perf'
> 
> $ git status -s
> M tools/perf/util/unwind-libunwind-local.c
> ?? tools/perf/a.out
> 
> $ rm -v tools/perf/a.out
> 'tools/perf/a.out' deleted
> 
> $ git checkout -- tools/perf/util/unwind-libunwind-local.c
> 
> $ git status -s
> [ empty ]

Interesting, since Linus complained at some point that after building
perf some new temp file was left there I added 'git status' to my
scripts to always get this flagged.

I'm not seeing this here.

- Arnaldo