linux-kernel - Re: [PATCH 2/2] perf: remove shebang from scripts/{perl,python}/*.{pl,py}

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Date:   Tue, 3 Aug 2021 14:44:36 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Jiri Slaby <jslaby@...e.cz>, acme@...hat.com
Cc:     linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>, Jiri Olsa <jolsa@...hat.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Leo Yan <leo.yan@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 2/2] perf: remove shebang from
 scripts/{perl,python}/*.{pl,py}

On 26/07/21 12:14 pm, Jiri Slaby wrote:
> The scripts cannot be executed on their own. The python ones were always
> installed without x permissions, the perl ones fail anyway:
>   BEGIN failed--compilation aborted at /usr/lib/perf-core/scripts/perl/rw-by-pid.pl line 18.
> so there is no point to have a shebang in them. This causes rpmlint to
> complain too:
>   W: non-executable-script /usr/lib/perf-core/scripts/perl/rw-by-file.pl 644 /usr/bin/perl -w
> 
> Hence drop shebangs in them all and remove x permissions in the
> repository. If anyone wants some of them executable, they need to fix
> the install scripts first.
> 
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> Cc: Adrian Hunter <adrian.hunter@...el.com>
> Cc: Andi Kleen <ak@...ux.intel.com>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Jiri Olsa <jolsa@...hat.com>
> Cc: Kan Liang <kan.liang@...ux.intel.com>
> Cc: Leo Yan <leo.yan@...aro.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> ---
>  tools/perf/scripts/perl/rw-by-file.pl            | 1 -
>  tools/perf/scripts/perl/rw-by-pid.pl             | 1 -
>  tools/perf/scripts/perl/rwtop.pl                 | 1 -
>  tools/perf/scripts/perl/wakeup-latency.pl        | 1 -
>  tools/perf/scripts/python/exported-sql-viewer.py | 1 -

exported-sql-viewer.py is a standalone executable


>  tools/perf/scripts/python/flamegraph.py          | 0
>  tools/perf/scripts/python/libxed.py              | 1 -
>  tools/perf/scripts/python/net_dropmonitor.py     | 0
>  tools/perf/scripts/python/stackcollapse.py       | 0
>  9 files changed, 6 deletions(-)
>  mode change 100755 => 100644 tools/perf/scripts/python/exported-sql-viewer.py
>  mode change 100755 => 100644 tools/perf/scripts/python/flamegraph.py
>  mode change 100755 => 100644 tools/perf/scripts/python/net_dropmonitor.py
>  mode change 100755 => 100644 tools/perf/scripts/python/stackcollapse.py
> 
> diff --git a/tools/perf/scripts/perl/rw-by-file.pl b/tools/perf/scripts/perl/rw-by-file.pl
> index 92a750b8552b..e0e4e23d5597 100644
> --- a/tools/perf/scripts/perl/rw-by-file.pl
> +++ b/tools/perf/scripts/perl/rw-by-file.pl
> @@ -1,4 +1,3 @@
> -#!/usr/bin/perl -w
>  # SPDX-License-Identifier: GPL-2.0-only
>  # (c) 2009, Tom Zanussi <tzanussi@...il.com>
>  
> diff --git a/tools/perf/scripts/perl/rw-by-pid.pl b/tools/perf/scripts/perl/rw-by-pid.pl
> index d789fe39caab..43fcd4823f21 100644
> --- a/tools/perf/scripts/perl/rw-by-pid.pl
> +++ b/tools/perf/scripts/perl/rw-by-pid.pl
> @@ -1,4 +1,3 @@
> -#!/usr/bin/perl -w
>  # SPDX-License-Identifier: GPL-2.0-only
>  # (c) 2009, Tom Zanussi <tzanussi@...il.com>
>  
> diff --git a/tools/perf/scripts/perl/rwtop.pl b/tools/perf/scripts/perl/rwtop.pl
> index eba4df67af6b..96ce72e53f8e 100644
> --- a/tools/perf/scripts/perl/rwtop.pl
> +++ b/tools/perf/scripts/perl/rwtop.pl
> @@ -1,4 +1,3 @@
> -#!/usr/bin/perl -w
>  # SPDX-License-Identifier: GPL-2.0-only
>  # (c) 2010, Tom Zanussi <tzanussi@...il.com>
>  
> diff --git a/tools/perf/scripts/perl/wakeup-latency.pl b/tools/perf/scripts/perl/wakeup-latency.pl
> index 53444ff4ec7f..f8b59f0bd949 100644
> --- a/tools/perf/scripts/perl/wakeup-latency.pl
> +++ b/tools/perf/scripts/perl/wakeup-latency.pl
> @@ -1,4 +1,3 @@
> -#!/usr/bin/perl -w
>  # SPDX-License-Identifier: GPL-2.0-only
>  # (c) 2009, Tom Zanussi <tzanussi@...il.com>
>  
> diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
> old mode 100755
> new mode 100644
> index 13f2d8a81610..358438a648a9
> --- a/tools/perf/scripts/python/exported-sql-viewer.py
> +++ b/tools/perf/scripts/python/exported-sql-viewer.py
> @@ -1,4 +1,3 @@
> -#!/usr/bin/env python
>  # SPDX-License-Identifier: GPL-2.0
>  # exported-sql-viewer.py: view data from sql database
>  # Copyright (c) 2014-2018, Intel Corporation.
> diff --git a/tools/perf/scripts/python/flamegraph.py b/tools/perf/scripts/python/flamegraph.py
> old mode 100755
> new mode 100644
> diff --git a/tools/perf/scripts/python/libxed.py b/tools/perf/scripts/python/libxed.py
> index 2c70a5a7eb9c..3ea5bb8195c4 100644
> --- a/tools/perf/scripts/python/libxed.py
> +++ b/tools/perf/scripts/python/libxed.py
> @@ -1,4 +1,3 @@
> -#!/usr/bin/env python
>  # SPDX-License-Identifier: GPL-2.0
>  # libxed.py: Python wrapper for libxed.so
>  # Copyright (c) 2014-2021, Intel Corporation.
> diff --git a/tools/perf/scripts/python/net_dropmonitor.py b/tools/perf/scripts/python/net_dropmonitor.py
> old mode 100755
> new mode 100644
> diff --git a/tools/perf/scripts/python/stackcollapse.py b/tools/perf/scripts/python/stackcollapse.py
> old mode 100755
> new mode 100644
>