linux-kernel - Re: [PATCH v2] perf test powerpc: Fix 'Object code reading' test

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Date:   Thu, 31 Aug 2017 13:31:46 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>,
        peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, namhyung@...nel.org,
        jolsa@...nel.org, linux-kernel@...r.kernel.org, mpe@...erman.id.au,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2] perf test powerpc: Fix 'Object code reading' test

Em Thu, Aug 31, 2017 at 12:15:29PM +0300, Adrian Hunter escreveu:
> On 31/08/17 12:14, Ravi Bangoria wrote:
> > 'Object code reading' test always fails on powerpc guest. Two reasons
> > for the failure are:
> > 
> > 1. When elf section is too big (size beyond 'unsigned int' max value).
> > objdump fails to disassemble from such section. This was fixed with
> > commit 0f6329bd7fc ("binutils/objdump: Fix disassemble for huge elf
> > sections") in binutils.
> > 
> > 2. When the sample is from hypervisor. Hypervisor symbols can not
> > be resolved within guest and thus thread__find_addr_map() fails for
> > such symbols. Fix this by ignoring hypervisor symbols in the test.
> > 
> > Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
> 
> Acked-by: Adrian Hunter <adrian.hunter@...el.com>

Thanks, applied.

- Arnaldo