linux-kernel - Re: [PATCH] perf test: Adapt test case record+probe_libc_inet

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Message-ID: <daaa4338-0e78-d11c-8699-5b432db6993e@aim.com>
Date:   Thu, 26 Apr 2018 09:57:08 -0400
From:   Martin Vuille <jpmv27@....com>
To:     Thomas-Mich Richter <tmricht@...ux.ibm.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        brueckner@...ux.vnet.ibm.com, schwidefsky@...ibm.com,
        heiko.carstens@...ibm.com
Subject: Re: [PATCH] perf test: Adapt test case record+probe_libc_inet_pton.sh
 for s390



On 04/26/18 04:09, Thomas-Mich Richter wrote:
>
> Martin,
>
> there is no need to revert the patch. I have adopted the test case for s390 and it
> now stops at main, which is identical to x86.
>
> The --symfs option was not used, however the debug file selected for dwarf examination
> was different. With you patch it changed from /usr/lib64/libc.so (old) to
> /usr/lib/debug/lib64/libc-2.26.so.debug (new)
> and I think that this file has not all the info (at least on s390).
>
Thomas,

Thanks for the additional information. My change was intended to only affect
the case where a --symfs option is used, so your finding is surprising.

I'll take a look to see why this is happening.

Regards,
MV