From: Ingo Molnar <mingo@kernel.org>
To: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org,
Frederic Weisbecker <fweisbec@gmail.com>,
Mike Galbraith <efault@gmx.de>, Paul Mackerras <paulus@samba.org>,
Stephane Eranian <eranian@google.com>,
Andi Kleen <ak@linux.intel.com>
Subject: Re: [RFC 2/2] perf: add AUX area to ring buffer for raw data streams
Date: Thu, 5 Jun 2014 13:58:29 +0200 [thread overview]
Message-ID: <20140605115829.GA29720@gmail.com> (raw)
In-Reply-To: <8761kzz0v1.fsf@ashishki-desk.ger.corp.intel.com>
* Alexander Shishkin <alexander.shishkin@linux.intel.com> wrote:
> @@ -300,6 +300,7 @@ struct pmu {
> * struct pmu::capabilities flags
> */
> #define PERF_PMU_CAP_NO_INTERRUPT 1
> +#define PERF_PMU_CAP_AUX_BROKEN_SG 2
Btw., I'd name it PERF_PMU_AUX_PHYSICAL_SG or so, and add a comment
before it that explains that such hardware interfaces are restrictive,
or so.
Thanks,
Ingo
prev parent reply other threads:[~2014-06-05 11:58 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-15 15:08 [RFC 0/2] perf: add AUX space to ring_buffer Alexander Shishkin
2014-05-15 15:08 ` [RFC 1/2] perf: add data_{offset,size} to user_page Alexander Shishkin
2014-05-15 18:14 ` Robert Richter
2014-05-15 15:08 ` [RFC 2/2] perf: add AUX area to ring buffer for raw data streams Alexander Shishkin
2014-05-15 18:02 ` Robert Richter
2014-05-16 7:07 ` Alexander Shishkin
2014-05-19 8:58 ` Peter Zijlstra
2014-05-19 12:57 ` Alexander Shishkin
2014-05-20 9:51 ` Peter Zijlstra
2014-05-21 14:02 ` Alexander Shishkin
2014-06-05 11:58 ` Ingo Molnar [this message]
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