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Date: Wed, 11 May 2016 11:49:31 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>, x86@kernel.org,
        Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@redhat.com>,
        linux-kernel@vger.kernel.org, vince@deater.net, eranian@google.com,
        Arnaldo Carvalho de Melo <acme@infradead.org>
Subject: Re: [PATCH 2/2] perf: Disable the event on a truncated AUX record
Message-ID: <20160511094931.GD3190@twins.programming.kicks-ass.net>
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On Wed, May 11, 2016 at 12:41:27PM +0300, Alexander Shishkin wrote:
> Peter Zijlstra <peterz@infradead.org> writes:
> >
> > Does the userspace tool know how to deal with this and re-enable it?
> 
> Yes, it knows to ioctl(EVENT_ENABLE). Also, we're already doing the
> disabling for the no-room-in-buffer condition in
> perf_aux_output_begin().

Awesome; gots them queued.