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Message-ID: <20160308200746.GE6344@twins.programming.kicks-ass.net>
Date: Tue, 8 Mar 2016 21:07:46 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Jiri Olsa <jolsa@...hat.com>
Cc: Ingo Molnar <mingo@...nel.org>, Wang Nan <wangnan0@...wei.com>,
mingo@...hat.com, linux-kernel@...r.kernel.org,
He Kuang <hekuang@...wei.com>,
Alexei Starovoitov <ast@...nel.org>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Brendan Gregg <brendan.d.gregg@...il.com>,
Jiri Olsa <jolsa@...nel.org>,
Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
Namhyung Kim <namhyung@...nel.org>,
Zefan Li <lizefan@...wei.com>, pi3orama@....com
Subject: Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer
On Tue, Mar 08, 2016 at 08:56:42PM +0100, Jiri Olsa wrote:
> > # cat go-fuzz.sh
> > #!/bin/bash
> >
> > echo 1 > /proc/sys/kernel/traceoff_on_warning
> > echo 1 > /debug/tracing/options/stacktrace
> > echo 1 > /debug/tracing/events/sched/enable
>
> are you running this under root?
Of course ;-) I'm not even sure these machines have a user account.
Also, what's the point of fuzzing if half your 'fun' options return
-EPERM.
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