linux-kernel - [RFC GIT PULL] nohz: Basic cputime accounting for adaptive tickless

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Message-Id: <1339604397-8758-1-git-send-email-fweisbec@gmail.com>
Date:	Wed, 13 Jun 2012 18:19:50 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Alessio Igor Bogani <abogani@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Avi Kivity <avi@...hat.com>,
	Chris Metcalf <cmetcalf@...era.com>,
	Christoph Lameter <cl@...ux.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Geoff Levand <geoff@...radead.org>,
	Gilad Ben Yossef <gilad@...yossef.com>,
	Hakan Akkan <hakanakkan@...il.com>,
	Kevin Hilman <khilman@...com>,
	Max Krasnyansky <maxk@...lcomm.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephen Hemminger <shemminger@...tta.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Sven-Thorsten Dietrich <thebigcorporation@...il.com>
Subject: [RFC GIT PULL] nohz: Basic cputime accounting for adaptive tickless

Ingo, Thomas,

This starts the basic code that allow accounting of cputime spent tickless
outside idle, which is a first step to prepare for the adaptive nohz
infrastructure.

I hope we can set a tree in -tip for that. If you're fine with it
this is pullable from:

git://github.com/fweisbec/linux-dynticks.git
	nohz-for-tip

Thanks.


Frederic Weisbecker (7):
  nohz: Add more comment about CONFIG_NO_HZ
  nohz: Introduce adaptive nohz config
  nohz: Generalize tickless cpu time accounting
  nohz: Account user and system times in adaptive nohz mode
  x86: Syscall hooks for adaptive nohz mode
  x86: Add adaptive tickless hooks on do_notify_resume()
  x86: Exception hooks for adaptive tickless

 arch/Kconfig                       |    8 ++
 arch/x86/Kconfig                   |    1 +
 arch/x86/include/asm/thread_info.h |   10 ++-
 arch/x86/kernel/ptrace.c           |    5 ++
 arch/x86/kernel/signal.c           |    3 +
 arch/x86/kernel/traps.c            |   14 +++-
 arch/x86/mm/fault.c                |   13 +++-
 include/linux/kernel_stat.h        |    2 +
 include/linux/tick.h               |   59 +++++++++++-----
 kernel/sched/core.c                |   27 +++++++
 kernel/time/Kconfig                |   14 +++-
 kernel/time/tick-sched.c           |  139 ++++++++++++++++++++++++++++++-----
 kernel/time/timer_list.c           |    3 +-
 13 files changed, 246 insertions(+), 52 deletions(-)

-- 
1.7.5.4

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