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SubjectRe: [PATCH v1] perf report: Fix owner error when reading perf.data
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> On Oct 1, 2015, at 6:10 PM, Ingo Molnar <mingo@kernel.org> wrote:
>
>
> * Taeung Song <treeze.taeung@gmail.com> wrote:
>
>> If perf.data file is owned by some user,
>> it can't be read even if current user is root.
>
> That's intentional: to keep a malicious local user from passing a perf.data to
> root who does 'perf report' accidentally or in the wrong directory.
>
> root can copy or chown it to himself - or we could add some --really-force flag
> for that.

I got it.
I didn’t know its intention.

Thanks,
Taeung

>
> Thanks,
>
> Ingo



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