linux-kernel - Re: [PATCH] perf test: fix test case probe libc's inet

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Message-ID: <20171114145837.GR8836@kernel.org>
Date:   Tue, 14 Nov 2017 11:58:37 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Thomas-Mich Richter <tmricht@...ux.vnet.ibm.com>
Cc:     linux-perf-users@...r.kernel.org, brueckner@...ux.vnet.ibm.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf test: fix test case probe libc's inet_pton on s390x

Em Tue, Nov 14, 2017 at 02:55:48PM +0100, Thomas-Mich Richter escreveu:
> On 11/14/2017 02:47 PM, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Nov 14, 2017 at 10:34:09AM -0300, Arnaldo Carvalho de Melo escreveu:
> >>> Different name, same contents, need to look at the inode... ;-\
> >>
> >> Nah, lets ask the kernel how is it that it sees libc, please test the
> >> following, works for me:
> 
> works for me too.
> 
> > 
> > BTW, this is what I sticked on that cset:
> > 
> >     Committer changes:
> >     
> >     We can't really use ldd for libc, as in some systems, such as x86_64, it
> >     has hardlinks and then ldd sees one and the kernel the other, so grep
> >     for libc in /proc/self/maps to get the one we'll receive from
> >     PERF_RECORD_MMAP.
> > 
> > - Arnaldo
> > 
> 
> Yes I am fine with this changes.
> Go ahead.

Thanks for checking, committed.

- Arnaldo