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Date: Sun, 22 Jan 2017 19:19:36 +0100
From: Frederic Weisbecker <fweisbec@...il.com>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>,
Tony Luck <tony.luck@...el.com>,
Wanpeng Li <wanpeng.li@...mail.com>,
Peter Zijlstra <peterz@...radead.org>,
Michael Ellerman <mpe@...erman.id.au>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Thomas Gleixner <tglx@...utronix.de>,
Paul Mackerras <paulus@...ba.org>,
Ingo Molnar <mingo@...nel.org>,
Fenghua Yu <fenghua.yu@...el.com>,
Rik van Riel <riel@...hat.com>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Stanislaw Gruszka <sgruszka@...hat.com>
Subject: [PATCH 00/37] cputime: Convert core use of cputime_t to nsecs v3
Summary of this patchset in v1 (actually v2 as the v1 got posted 2 years
ago): https://lkml.org/lkml/2016/11/17/583
Changes in this version:
* Rebase against latest cputime changes (vtime accumulation and accounting
delayed on tick and context switch)
* Fix leaking cputime remainder on s390
* Fix build errors
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
cputime/nsecs-v3
HEAD: 358818bd88b82c22bf3d45f82ba30ced534e3cd2
Thanks,
Frederic
---
Frederic Weisbecker (37):
jiffies: Reuse TICK_NSEC instead of NSEC_PER_JIFFY
time: Introduce jiffies64_to_nsecs()
sched: Remove unused INIT_CPUTIME macro
cputime: Convert kcpustat to nsecs
macintosh/rack-meter: Remove cputime_t internal use
cputime: Convert guest time accounting to nsecs
cputime: Special API to return old-typed cputime
cputime: Convert task/group cputime to nsecs
alpha: Convert obsolete cputime_t to nsecs
x86: Convert obsolete cputime type to nsecs
isdn: Convert obsolete cputime type to nsecs
binfmt: Convert obsolete cputime type to nsecs
acct: Convert obsolete cputime type to nsecs
delaycct: Convert obsolete cputime type to nsecs
tsacct: Convert obsolete cputime type to nsecs
signal: Convert obsolete cputime type to nsecs
cputime: Increment kcpustat directly on irqtime account
posix-timers: Use TICK_NSEC instead of a dynamically ad-hoc calculated version
posix-timers: Convert internals to use nsecs
itimer: Convert internal cputime_t units to nsec
sched: Remove temporary cputime_t accessors
cputime: Push time to account_user_time() in nsecs
cputime: Push time to account_steal_time() in nsecs
cputime: Push time to account_idle_time() in nsecs
cputime: Push time to account_system_time() in nsecs
cputime: Complete nsec conversion of tick based accounting
vtime: Return nsecs instead of cputime_t to account
cputime: Remove jiffies based cputime
ia64: Move nsecs based cputime headers to the last arch using it
ia64: Convert vtime to use nsec units directly
ia64: Remove unused cputime definitions
s390: Make arch_cpu_idle_time() to return nsecs
powerpc: Remove unused cputime definitions
s390: Remove unused cputime definitions
cputime: Remove unused nsec_to_cputime
cputime: Remove asm generic headers
s390: Prevent from cputime leaks
arch/alpha/include/asm/Kbuild | 1 -
arch/alpha/kernel/osf_sys.c | 10 +-
arch/arc/include/asm/Kbuild | 1 -
arch/arm/include/asm/Kbuild | 1 -
arch/arm64/include/asm/Kbuild | 1 -
arch/avr32/include/asm/Kbuild | 1 -
arch/blackfin/include/asm/Kbuild | 1 -
arch/c6x/include/asm/Kbuild | 1 -
arch/cris/include/asm/Kbuild | 1 -
arch/frv/include/asm/Kbuild | 1 -
arch/h8300/include/asm/Kbuild | 1 -
arch/hexagon/include/asm/Kbuild | 1 -
arch/ia64/include/asm/cputime.h | 6 +-
arch/ia64/kernel/head.S | 4 +-
arch/ia64/kernel/time.c | 17 ++--
arch/m32r/include/asm/Kbuild | 1 -
arch/m68k/include/asm/Kbuild | 1 -
arch/metag/include/asm/Kbuild | 1 -
arch/microblaze/include/asm/Kbuild | 1 -
arch/mips/include/asm/Kbuild | 1 -
arch/mips/kernel/binfmt_elfn32.c | 12 +--
arch/mips/kernel/binfmt_elfo32.c | 12 +--
arch/mn10300/include/asm/Kbuild | 1 -
arch/nios2/include/asm/Kbuild | 1 -
arch/openrisc/include/asm/Kbuild | 1 -
arch/parisc/include/asm/Kbuild | 1 -
arch/parisc/kernel/binfmt_elf32.c | 11 +--
arch/powerpc/include/asm/cputime.h | 177 +---------------------------------
arch/powerpc/kernel/time.c | 45 +++------
arch/s390/appldata/appldata_os.c | 16 +--
arch/s390/include/asm/cputime.h | 109 +--------------------
arch/s390/kernel/idle.c | 9 +-
arch/s390/kernel/vtime.c | 31 +++---
arch/score/include/asm/Kbuild | 1 -
arch/sh/include/asm/Kbuild | 1 -
arch/sparc/include/asm/Kbuild | 1 -
arch/tile/include/asm/Kbuild | 1 -
arch/um/include/asm/Kbuild | 1 -
arch/unicore32/include/asm/Kbuild | 1 -
arch/x86/include/asm/Kbuild | 1 -
arch/x86/kernel/apm_32.c | 6 +-
arch/x86/kvm/hyperv.c | 5 +-
arch/xtensa/include/asm/Kbuild | 1 -
drivers/cpufreq/cpufreq.c | 6 +-
drivers/cpufreq/cpufreq_governor.c | 2 +-
drivers/cpufreq/cpufreq_stats.c | 1 -
drivers/isdn/mISDN/stack.c | 4 +-
drivers/macintosh/rack-meter.c | 28 +++---
fs/binfmt_elf.c | 15 +--
fs/binfmt_elf_fdpic.c | 14 +--
fs/compat_binfmt_elf.c | 18 +---
fs/proc/array.c | 16 +--
fs/proc/stat.c | 64 ++++++------
fs/proc/uptime.c | 7 +-
include/asm-generic/cputime.h | 15 ---
include/asm-generic/cputime_jiffies.h | 75 --------------
include/asm-generic/cputime_nsecs.h | 121 -----------------------
include/linux/compat.h | 20 +++-
include/linux/cputime.h | 7 +-
include/linux/jiffies.h | 2 +
include/linux/kernel_stat.h | 13 ++-
include/linux/posix-timers.h | 14 +--
include/linux/sched.h | 62 +++++-------
include/trace/events/timer.h | 26 ++---
kernel/acct.c | 7 +-
kernel/delayacct.c | 6 +-
kernel/exit.c | 4 +-
kernel/fork.c | 2 +-
kernel/sched/cpuacct.c | 2 +-
kernel/sched/cputime.c | 166 +++++++++++++------------------
kernel/sched/sched.h | 7 +-
kernel/sched/stats.h | 4 +-
kernel/signal.c | 12 +--
kernel/sys.c | 16 +--
kernel/time/itimer.c | 60 ++++--------
kernel/time/jiffies.c | 32 +++---
kernel/time/posix-cpu-timers.c | 170 ++++++++++++--------------------
kernel/time/time.c | 10 ++
kernel/time/timeconst.bc | 6 ++
kernel/tsacct.c | 21 ++--
80 files changed, 450 insertions(+), 1103 deletions(-)
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