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From: duchangbin <changbin.du@huawei.com>
To: Adrian Hunter <adrian.hunter@intel.com>
CC: duchangbin <changbin.du@huawei.com>, Peter Zijlstra
	<peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, "Arnaldo Carvalho de
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Subject: Re: [PATCH 2/2] perf: disasm: prefer symsrc_filename for filename
Thread-Topic: [PATCH 2/2] perf: disasm: prefer symsrc_filename for filename
Thread-Index: AQHavVvh9tYwOTcSHEG6bdTlEhoGM7HE0t8AgACesgA=
Date: Thu, 13 Jun 2024 09:43:52 +0000
Message-ID: <39be46d6a5194b6390ed31be67689c6c@huawei.com>
References: <20240613063510.348692-1-changbin.du@huawei.com>
 <20240613063510.348692-3-changbin.du@huawei.com>
 <395cfff7-9692-4123-96b6-353752007f46@intel.com>
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On Thu, Jun 13, 2024 at 11:15:28AM +0300, Adrian Hunter wrote:
> On 13/06/24 09:35, Changbin Du wrote:
> > If we already found a debugging version when loading symbols for that d=
so,
> > then use the same file for disasm instead of looking up in buildid-cach=
e.
>=20
> In the past, there have been cases where the debugging version has not
> worked for reading object code.  I don't remember the details, but the
> symbols and debugging information was OK while the object code was not.
>=20
> In general, using anything other than the file that was actually executed
> for reading object code seems like a bad idea.
>=20
Is this a platform specific issue? AFAIK, the binary code in debugging and
non-debugging version should be identical.=20

>=20
>=20

--=20
Cheers,
Changbin Du