linux-kernel - Re: [PATCH] selinux: add tracepoint on denials

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Message-ID: <CAHC9VhReYQwxvHeJ8jAUKZ8P+N2yyGNN3rGRb_9t7hZpW=+HVQ@mail.gmail.com>
Date:   Tue, 28 Jul 2020 12:20:04 -0400
From:   Paul Moore <paul@...l-moore.com>
To:     Thiébaud Weksteen <tweek@...gle.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Stephen Smalley <stephen.smalley.work@...il.com>,
        Nick Kralevich <nnk@...gle.com>,
        Joel Fernandes <joelaf@...gle.com>,
        Eric Paris <eparis@...isplace.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        SElinux list <selinux@...r.kernel.org>
Subject: Re: [PATCH] selinux: add tracepoint on denials

On Tue, Jul 28, 2020 at 12:02 PM Thiébaud Weksteen <tweek@...gle.com> wrote:
> On Tue, Jul 28, 2020 at 5:12 PM Paul Moore <paul@...l-moore.com> wrote:
> > Perhaps it would be helpful if you provided an example of how one
> > would be expected to use this new tracepoint?  That would help put
> > things in the proper perspective.
>
> The best example is the one I provided in the commit message, that is
> using perf (or a perf equivalent), to hook onto that tracepoint.

I probably wasn't as clear as I should have been.  I think it would be
helpful if you demonstrated how one would take the SELinux data in the
perf event and translated that into something meaningful.

-- 
paul moore
www.paul-moore.com