Johannes Weiner 2ce7135adc psi: cgroup support ...

On a system that executes multiple cgrouped jobs and independent
workloads, we don't just care about the health of the overall system, but
also that of individual jobs, so that we can ensure individual job health,
fairness between jobs, or prioritize some jobs over others.

This patch implements pressure stall tracking for cgroups.  In kernels
with CONFIG_PSI=y, cgroup2 groups will have cpu.pressure, memory.pressure,
and io.pressure files that track aggregate pressure stall times for only
the tasks inside the cgroup.

Link: http://lkml.kernel.org/r/20180828172258.3185-10-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Daniel Drake <drake@endlessm.com>
Tested-by: Suren Baghdasaryan <surenb@google.com>
Cc: Christopher Lameter <cl@linux.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Johannes Weiner <jweiner@fb.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Enderborg <peter.enderborg@sony.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Vinayak Menon <vinmenon@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2018-10-26 16:26:32 -07:00

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ABI

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accelerators

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accounting

psi: cgroup support

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acpi

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admin-guide

psi: cgroup support

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aoe

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arm

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arm64

Documentation/arm64: HugeTLB page implementation

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backlight

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blockdev

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cdrom

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cgroup-v1

Merge branch 'for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

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core-api

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dev-tools

docs: dev-tools: coccinelle: Update documentation

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device-mapper

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devicetree

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driver-api

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fb

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features

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filesystems

mm, proc: add KReclaimable to /proc/meminfo

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gpio

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hwmon

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ide

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iio

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infiniband

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input

Input: Add the REL_WHEEL_HI_RES event code

2018-09-05 10:12:07 +02:00

ioctl

Merge tag 'usb-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

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isdn

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kbuild

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laptops

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leds

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locking

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m68k

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maintainer

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mips

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misc-devices

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mmc

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mtd

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netlabel

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networking

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nvmem

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power

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powerpc

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process

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RCU

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s390

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scheduler

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scsi

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security

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sh

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sound

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sphinx-static

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sysctl

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timers

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trace

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usb

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virtual

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vm

slub: extend slub debug to handle multiple slabs

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memory-barriers.txt

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preempt-locking.txt

Documentation: preempt-locking: Use better example

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