linux-kernel - [PATCH 00/10] vtime: Delay cputime accounting to tick / context switch

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Message-Id: <1483636310-6557-1-git-send-email-fweisbec@gmail.com>
Date:   Thu,  5 Jan 2017 18:11:40 +0100
From:   Frederic Weisbecker <fweisbec@...il.com>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Frederic Weisbecker <fweisbec@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Rik van Riel <riel@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Stanislaw Gruszka <sgruszka@...hat.com>,
        Wanpeng Li <wanpeng.li@...mail.com>,
        Christian Borntraeger <borntraeger@...ibm.com>
Subject: [PATCH 00/10] vtime: Delay cputime accounting to tick / context switch

This version is a rebase on top of latest Linus tree which includes
the fix 8f2b468aadc ("s390/vtime: correct system time accounting").

Also a small change: I have moved account_system_index_scaled() to s390
in patch "s390/cputime: delayed accounting of system time" because it is
the only user of the function.

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
	vtime/acc-v2

Thanks,
	Frederic
---

Frederic Weisbecker (9):
      powerpc32: Fix stale scaled stime on context switch
      ia64: Fix wrong start cputime assignment on task switch
      cputime: Allow accounting system time using cpustat index
      cputime: Export account_guest_time
      powerpc: Prepare accounting structure for cputime flush on tick
      powerpc: Migrate stolen_time field to accounting structure
      powerpc/vtime: Accumulate cputime and account only on tick/task switch
      ia64: Accumulate cputime and account only on tick/task switch
      vtime: Rename vtime_account_user() to vtime_flush()

Martin Schwidefsky (1):
      s390/cputime: delayed accounting of system time


 arch/ia64/include/asm/thread_info.h   |   6 ++
 arch/ia64/kernel/time.c               |  66 +++++++++++-----
 arch/powerpc/include/asm/accounting.h |  14 +++-
 arch/powerpc/include/asm/paca.h       |   1 -
 arch/powerpc/kernel/asm-offsets.c     |   8 +-
 arch/powerpc/kernel/time.c            | 138 +++++++++++++++++++++-------------
 arch/powerpc/xmon/xmon.c              |   8 +-
 arch/s390/include/asm/lowcore.h       |  65 ++++++++--------
 arch/s390/include/asm/processor.h     |   3 +
 arch/s390/kernel/vtime.c              | 138 ++++++++++++++++++++++------------
 include/linux/kernel_stat.h           |   5 +-
 include/linux/vtime.h                 |   7 +-
 kernel/sched/cputime.c                |  16 ++--
 13 files changed, 302 insertions(+), 173 deletions(-)