linux-kernel - [PATCH v4 0/2] nohz: fix idle accounting in NO

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Message-ID: <534FA04B.8080906@jp.fujitsu.com>
Date:	Thu, 17 Apr 2014 18:35:07 +0900
From:	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
To:	linux-kernel@...r.kernel.org
CC:	Fernando Luis Vazquez Cao <fernando_b1@....ntt.co.jp>,
	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Preeti U Murthy <preeti@...ux.vnet.ibm.com>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	stable@...r.kernel.org
Subject: [PATCH v4 0/2] nohz: fix idle accounting in NO_HZ kernels

Hi all,

This patch set (rebased on v3.15-rc1) is my 4th try to fix an issue
that idle/iowait of /proc/stat can go backward. Originally reported
by Tetsuo and Fernando at last year, Mar 2013.

This v4 updates v3's approach, and adds description/comments to
make patch's intent to be clear (I hope so).

Of course still reviews are welcome.

Thanks,
H.Seto

Hidetoshi Seto (2):
      nohz: make updating sleep stats local
      nohz: delayed iowait accounting for nohz idle time stats

 include/linux/tick.h     |    6 +-
 kernel/time/tick-sched.c |  179 ++++++++++++++++++++++++++++++++++------------
 2 files changed, 136 insertions(+), 49 deletions(-)


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