linux-kernel - Re: [PATCH v6.17-rc] perf test: Checking BPF metadata collection fails on version string

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Message-ID: <aLiAfPvqghcTF-te@google.com>
Date: Wed, 3 Sep 2025 10:53:00 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ian Rogers <irogers@...gle.com>, Thomas Richter <tmricht@...ux.ibm.com>,
	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
	linux-perf-users@...r.kernel.org, blakejones@...gle.com,
	agordeev@...ux.ibm.com, gor@...ux.ibm.com, sumanthk@...ux.ibm.com,
	hca@...ux.ibm.com, japo@...ux.ibm.com
Subject: Re: [PATCH v6.17-rc] perf test: Checking BPF metadata collection
 fails on version string

On Wed, Sep 03, 2025 at 01:17:16PM -0300, Arnaldo Carvalho de Melo wrote:
> On Fri, Aug 22, 2025 at 11:02:27AM -0700, Ian Rogers wrote:
> > On Fri, Aug 22, 2025 at 5:26 AM Thomas Richter <tmricht@...ux.ibm.com> wrote:
> > > commit edf2cadf01e8f ("perf test: add test for BPF metadata collection")
> 
> > > fails consistently on the version string check. The perf version
> > > string on some of the constant integration test machines contains
> > > characters with special meaning in grep's extended regular expression
> > > matching algorithm. The output of perf version is:
> 
> > >  # perf version
> > >  perf version 6.17.0-20250814.rc1.git20.24ea63ea3877.63.fc42.s390x+git
> 
> > > and the '+' character has special meaning in egrep command.
> > > Also the use of egrep is deprecated.
> 
> > > Change the perf version string check to fixed character matching
> > > and get rid of egrep's warning being deprecated. Use grep -F instead.
> 
> <SNIP>
> 
> > > Fixes: edf2cadf01e8f ("perf test: add test for BPF metadata collection")
> > > Signed-off-by: Thomas Richter <tmricht@...ux.ibm.com>
> > > Acked-by: Sumanth Korikkar <sumanthk@...ux.ibm.com>
> > > Cc: Blake Jones <blakejones@...gle.com>
>  
> > Reviewed-by: Ian Rogers <irogers@...gle.com>
> 
> Reviewed-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> Namhyung, I think this should go into v6.17-rc.

Sorry for the delay, will add.

Thanks,
Namhyung