Re: [PATCH v1] perf report: Fix owner error when reading perf.data

From: Ingo Molnar
Date: Thu Oct 01 2015 - 05:10:43 EST



* Taeung Song <treeze.taeung@xxxxxxxxx> 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.

Thanks,

Ingo
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