linux-kernel - [RFC v2 0/7] perf: perf: add AUX space to ring

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Message-Id: <1402501310-31940-1-git-send-email-alexander.shishkin@linux.intel.com>
Date:	Wed, 11 Jun 2014 18:41:43 +0300
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Robert Richter <rric@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: [RFC v2 0/7] perf: perf: add AUX space to ring_buffer

Hi Peter,

Here's the 2nd go at the AUX area. This covers pretty much what I need
for Intel PT buffer management.

Alexander Shishkin (6):
  perf: add data_{offset,size} to user_page
  perf: support high-order allocations for AUX space
  perf: add a capability for AUX_NO_SG pmus to do software double
    buffering
  perf: add a pmu capability for "exclusive" events
  perf: add api for pmus to write to AUX space
  perf: add AUX record

Peter Zijlstra (1):
  perf: add AUX area to ring buffer for raw data streams

 include/linux/perf_event.h      |  39 ++++++-
 include/uapi/linux/perf_event.h |  36 +++++++
 kernel/events/core.c            | 225 ++++++++++++++++++++++++++++++++++------
 kernel/events/internal.h        |  27 +++++
 kernel/events/ring_buffer.c     | 182 +++++++++++++++++++++++++++++++-
 5 files changed, 475 insertions(+), 34 deletions(-)

-- 
2.0.0

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