linux-kernel - [GIT PULL] sched/core for v5.17

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Date:   Tue, 11 Jan 2022 18:23:01 +0100
From:   Borislav Petkov <bp@...e.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] sched/core for v5.17

Hi Linus,

please pull the sched/core pile for 5.17.

Thx.

---

The following changes since commit fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf:

  Linux 5.16-rc1 (2021-11-14 13:56:52 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/sched_core_for_v5.17_rc1

for you to fetch changes up to 82762d2af31a60081162890983a83499c9c7dd74:

  sched/fair: Replace CFS internal cpu_util() with cpu_util_cfs() (2021-12-11 09:10:00 +0100)

----------------------------------------------------------------
Peter Zijlstra says:

"Mostly minor things this time; some highlights:

 - core-sched: Add 'Forced Idle' accounting; this allows to track how
   much CPU time is 'lost' due to core scheduling constraints.

 - psi: Fix for MEM_FULL; a task running reclaim would be counted as a
   runnable task and prevent MEM_FULL from being reported.

 - cpuacct: Long standing fixes for some cgroup accounting issues.

 - rt: Bandwidth timer could, under unusual circumstances, be failed to
   armed, leading to indefinite throttling."

----------------------------------------------------------------
Andrey Ryabinin (4):
      cputime, cpuacct: Include guest time in user time in cpuacct.stat
      cpuacct: Convert BUG_ON() to WARN_ON_ONCE()
      sched/cpuacct: Fix user/system in shown cpuacct.usage*
      sched/cpuacct: Make user/system times in cpuacct.stat more precise

Barry Song (1):
      sched/fair: Document the slow path and fast path in select_task_rq_fair

Brian Chen (1):
      psi: Fix PSI_MEM_FULL state when tasks are in memstall and doing reclaim

Dietmar Eggemann (1):
      sched/fair: Replace CFS internal cpu_util() with cpu_util_cfs()

Josh Don (1):
      sched/core: Forced idle accounting

Li Hua (1):
      sched/rt: Try to restart rt period timer when rt runtime exceeded

Liu Xinpeng (2):
      psi: Remove repeated verbose comment
      psi: Add a missing SPDX license header

Vincent Donnefort (3):
      sched/fair: Fix detection of per-CPU kthreads waking a task
      sched/fair: Fix per-CPU kthread and wakee stacking for asym CPU capacity
      sched/fair: Cleanup task_util and capacity type

 include/linux/psi.h              |   1 +
 include/linux/psi_types.h        |  14 ++++-
 include/linux/sched.h            |   4 ++
 kernel/sched/core.c              |  84 ++++++++++++++++++++++--------
 kernel/sched/core_sched.c        |  66 +++++++++++++++++++++++-
 kernel/sched/cpuacct.c           | 107 ++++++++++++++++++---------------------
 kernel/sched/cpufreq_schedutil.c |   2 +-
 kernel/sched/cputime.c           |   4 +-
 kernel/sched/debug.c             |   4 ++
 kernel/sched/fair.c              |  87 ++++++++-----------------------
 kernel/sched/psi.c               |  47 ++++++++++-------
 kernel/sched/rt.c                |  23 +++++++--
 kernel/sched/sched.h             |  76 ++++++++++++++++++++++++---
 kernel/sched/stats.h             |   5 +-
 14 files changed, 343 insertions(+), 181 deletions(-)

-- 
Regards/Gruss,
    Boris.

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