From: Andreas Herrmann <andreas.herrmann3@amd.com>
To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: [RFC][PATCH 0/15] sched: Fix scheduling for multi-node processors
Date: Thu, 20 Aug 2009 15:12:43 +0200 [thread overview]
Message-ID: <20090820131243.GO29327@alberich.amd.com> (raw)
Hi,
Subsequent patches adapt scheduling code to support multi-node processors.
In short, the required changes need to fulfill two requirements:
(1) The set of CPUs in a NUMA node does not necessarily span CPUs of entire
sockets anymore. (Current code assumes that.)
(2) The additional hierarchy in the CPU topology (i.e. internal node) might
be useful when doing load balancing when power saving matters.
Patches 1-7 (add basic) support fo a new scheduling domain (called MN for multi-node)
Patch 8 adds a knob to control power_savings balancing for MN domain
Patches 9, 10 add the snippets to do the power_savings balancing for MN domain
Patch 11 adds a way to pass unlimited __cpu_power information to upper domain levels
Patch 12 allows NODE domain to be parent of MC domain (and thus child of MN domain)
Patch 13 detects whether NODE domain is parent of MC instead of CPU domain
Patch 14 fixes perf policy scheduling when NODE domain is parent of MC domain
Patch 15 fixes cpu_coregroup_mask to use mask of core_siblings instead of node_siblings
(I admit that this change should better be added to my topology patches.)
To apply the patches you need to use tip/master as of today
(containing the sched cleanup patches) plus the 8 topology patches
that I have sent recently. (See
http://marc.info/?l=linux-kernel&m=124964980507887)
Full power saving scheduling options on multi-node processors are only
available with CONFIG_SCHED_MN=y. See example and example output
below.
Regards,
Andreas
PS: I send this as RFC. It seems to be pretty stable, though. But I
want to do some more testing before I'd ask to apply this to
tip-tree and I also want to check the performance impact of the
new sched domain level.
--
Operating | Advanced Micro Devices GmbH
System | Karl-Hammerschmidt-Str. 34, 85609 Dornach b. München, Germany
Research | Geschäftsführer: Thomas M. McCoy, Giuliano Meroni
Center | Sitz: Dornach, Gemeinde Aschheim, Landkreis München
(OSRC) | Registergericht München, HRB Nr. 43632
--------------------------------------------------------------------------------
Examples:
=========
(1) To demonstrate power_savings balancing I provide top output when system
is partially loaded.
(Note: sched_mc_power_savings=sched_mn_power_savings=0)
# for i in `seq 1 6`; do nbench& done
top - 15:41:08 up 7 min, 3 users, load average: 2.49, 0.64, 0.21
Tasks: 267 total, 7 running, 260 sleeping, 0 stopped, 0 zombie
Cpu0 : 49.7%us, 0.0%sy, 0.0%ni, 50.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu5 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 : 50.2%us, 0.0%sy, 0.0%ni, 49.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu8 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu9 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu10 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu11 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu12 : 48.8%us, 0.0%sy, 0.0%ni, 51.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu13 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu14 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu15 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu16 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu17 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu18 : 50.8%us, 0.0%sy, 0.0%ni, 49.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu19 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu20 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu21 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu22 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu23 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
# echo 1 >> /sys/devices/system/cpu/sched_mn_power_savings
top - 15:42:27 up 8 min, 3 users, load average: 3.91, 1.49, 0.54
Tasks: 267 total, 7 running, 260 sleeping, 0 stopped, 0 zombie
Cpu0 : 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu5 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu8 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu9 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu10 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu11 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu12 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu13 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu14 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu15 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu16 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu17 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu18 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu19 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu20 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu21 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu22 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu23 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
# echo 2 >> /sys/devices/system/cpu/sched_mc_power_savings
top - 15:43:09 up 9 min, 3 users, load average: 4.93, 2.06, 0.77
Tasks: 267 total, 7 running, 260 sleeping, 0 stopped, 0 zombie
Cpu0 : 99.0%us, 0.0%sy, 0.0%ni, 1.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu5 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 : 0.7%us, 0.0%sy, 0.0%ni, 99.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu8 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu9 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu10 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu11 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu12 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu13 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu14 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu15 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu16 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu17 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu18 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu19 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu20 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu21 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu22 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu23 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
# echo 0 >> /sys/devices/system/cpu/sched_mc_power_savings
# echo 0 >> /sys/devices/system/cpu/sched_mn_power_savings
top - 15:44:22 up 10 min, 3 users, load average: 5.38, 2.86, 1.15
Tasks: 267 total, 7 running, 260 sleeping, 0 stopped, 0 zombie
Cpu0 : 49.2%us, 0.3%sy, 0.0%ni, 50.5%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu5 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 : 50.8%us, 0.0%sy, 0.0%ni, 49.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu8 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu9 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu10 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu11 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu12 : 49.2%us, 0.0%sy, 0.0%ni, 50.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu13 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu14 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu15 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu16 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu17 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu18 : 50.7%us, 0.0%sy, 0.0%ni, 49.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu19 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu20 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu21 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu22 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu23 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
--------------------------------------------------------------------------------
(2) To illustrate the new domain hierarchy I give examples for sched
domains and groups of CPU 23 of my test system:
CONFIG_SCHED_MN=n
sched_mc_power_savings=0
CPU23 attaching sched-domain:
domain 0: span 18-23 level MC
groups: 23 18 19 20 21 22
domain 1: span 18-23 level NODE
groups: 18-23 (__cpu_power = 6144)
domain 2: span 0-23 level CPU
groups: 18-23 0-5 6-11 12-17
CONFIG_SCHED_MN=n
sched_mc_power_savings=2
CPU23 attaching sched-domain:
domain 0: span 18-23 level MC
groups: 23 18 19 20 21 22
domain 1: span 18-23 level NODE
groups: 18-23 (__cpu_power = 6144)
domain 2: span 0-23 level CPU
groups: 18-23 (__cpu_power = 6144) 0-5 (__cpu_power = 6144) 6-11 (__cpu_power = 6144) 12-17 (__cpu_power = 6144)
CONFIG_SCHED_MN=y, CONFIG_NUMA=y
sched_mc_power_savings=0, sched_mn_power_savings=0
CPU23 attaching sched-domain:
domain 0: span 18-23 level MC
groups: 23 18 19 20 21 22
domain 1: span 18-23 level NODE
groups: 18-23 (__cpu_power = 6144)
domain 2: span 12-23 level MN
groups: 18-23 12-17
domain 3: span 0-23 level CPU
groups: 12-23 0-11
CONFIG_SCHED_MN=y, CONFIG_NUMA=y
sched_mc_power_savings=0, sched_mn_power_savings=1
CPU23 attaching sched-domain:
domain 0: span 18-23 level MC
groups: 23 18 19 20 21 22
domain 1: span 18-23 level NODE
groups: 18-23 (__cpu_power = 6144)
domain 2: span 12-23 level MN
groups: 18-23 12-17
domain 3: span 0-23 level CPU
groups: 12-23 (__cpu_power = 12288) 0-11 (__cpu_power = 12288)
CONFIG_SCHED_MN=y, CONFIG_NUMA=y
sched_mc_power_savings=2, sched_mn_power_savings=0
CPU23 attaching sched-domain:
domain 0: span 18-23 level MC
groups: 23 18 19 20 21 22
domain 1: span 18-23 level NODE
groups: 18-23 (__cpu_power = 6144)
domain 2: span 12-23 level MN
groups: 18-23 (__cpu_power = 6144) 12-17 (__cpu_power = 6144)
domain 3: span 0-23 level CPU
groups: 12-23 (__cpu_power = 12288) 0-11 (__cpu_power = 12288)
CONFIG_SCHED_MN=y, CONFIG_NUMA=y, CONFIG_ACPI_NUMA=n
(and CONFIG_SCHED_MN=y, CONFIG_NUMA=n)
sched_mc_power_savings=0, sched_mn_power_savings=0
CPU23 attaching sched-domain:
domain 0: span 18-23 level MC
groups: 23 18 19 20 21 22
domain 1: span 12-23 level MN
groups: 18-23 12-17
domain 2: span 0-23 level CPU
groups: 12-23 0-11
CONFIG_SCHED_MN=y, CONFIG_NUMA=y, CONFIG_ACPI_NUMA=n
(and CONFIG_SCHED_MN=y, CONFIG_NUMA=n)
sched_mc_power_savings=0, sched_mn_power_savings=1
CPU23 attaching sched-domain:
domain 0: span 18-23 level MC
groups: 23 18 19 20 21 22
domain 1: span 12-23 level MN
groups: 18-23 12-17
domain 2: span 0-23 level CPU
groups: 12-23 (__cpu_power = 12288) 0-11 (__cpu_power = 12288)
CONFIG_SCHED_MN=y, CONFIG_NUMA=y, CONFIG_ACPI_NUMA=n
(and CONFIG_SCHED_MN=y, CONFIG_NUMA=n)
sched_mc_power_savings=2, sched_mn_power_savings=0
CPU23 attaching sched-domain:
domain 0: span 18-23 level MC
groups: 23 18 19 20 21 22
domain 1: span 12-23 level MN
groups: 18-23 (__cpu_power = 6144) 12-17 (__cpu_power = 6144)
domain 2: span 0-23 level CPU
groups: 12-23 (__cpu_power = 12288) 0-11 (__cpu_power = 12288)
--------------------------------------------------------------------------------
(3) Further information -- just for completeness.
With NUMA support and SRAT detection the kernel uses following NUMA
information:
# numactl --hardware
available: 4 nodes (0-3)
node 0 cpus: 0 1 2 3 4 5
node 0 size: 2047 MB
node 0 free: 1761 MB
node 1 cpus: 6 7 8 9 10 11
node 1 size: 2046 MB
node 1 free: 1990 MB
node 2 cpus: 18 19 20 21 22 23
node 2 size: 2048 MB
node 2 free: 2004 MB
node 3 cpus: 12 13 14 15 16 17
node 3 size: 2048 MB
node 3 free: 2002 MB
node distances:
node 0 1 2 3
0: 10 16 16 16
1: 16 10 16 16
2: 16 16 10 16
3: 16 16 16 10
Without ACPI SRAT support (e.g. CONFIG_ACPI_NUMA=n) the NUMA
information is:
# numactl --hardware
available: 1 nodes (0-0)
node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
node 0 size: 8189 MB
node 0 free: 7900 MB
node distances:
node 0
0: 10
--------------------------------------------------------------------------------
FINI
next reply other threads:[~2009-08-20 13:13 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-20 13:12 Andreas Herrmann [this message]
2009-08-20 13:15 ` [PATCH 1/15] x86, sched: Add config option for multi-node CPU scheduling Andreas Herrmann
2009-08-21 13:50 ` Valdis.Kletnieks
2009-08-24 8:49 ` Andreas Herrmann
2009-08-20 13:34 ` [PATCH 2/15] sched, x86: Provide initializer for MN scheduling domain, define MN level Andreas Herrmann
2009-08-20 13:34 ` [PATCH 3/15] sched: Add cpumask to be used when building MN domain Andreas Herrmann
2009-08-20 13:35 ` [PATCH 4/15] sched: Define per CPU variables and cpu_to_group function for " Andreas Herrmann
2009-08-20 13:36 ` [PATCH 5/15] sched: Add function to build MN sched domain Andreas Herrmann
2009-08-20 13:37 ` [PATCH 6/15] sched: Add support for MN domain in build_sched_groups Andreas Herrmann
2009-08-20 13:38 ` [PATCH 7/15] sched: Activate build of MN domains Andreas Herrmann
2009-08-20 13:39 ` [PATCH 8/15] sched: Add parameter sched_mn_power_savings to control MN domain sched policy Andreas Herrmann
2009-08-24 14:56 ` Peter Zijlstra
2009-08-24 15:32 ` Vaidyanathan Srinivasan
2009-08-24 15:45 ` Peter Zijlstra
2009-08-25 7:52 ` Andreas Herrmann
2009-08-25 7:50 ` Andreas Herrmann
2009-08-25 6:24 ` Andreas Herrmann
2009-08-25 6:41 ` Peter Zijlstra
2009-08-25 8:38 ` Andreas Herrmann
2009-08-26 9:30 ` Gautham R Shenoy
2009-08-27 12:47 ` Andreas Herrmann
2009-08-20 13:40 ` [PATCH 9/15] sched: Check sched_mn_power_savings when setting flags for CPU and MN domains Andreas Herrmann
2009-08-24 14:57 ` Peter Zijlstra
2009-08-25 9:34 ` Gautham R Shenoy
2009-08-26 10:01 ` Gautham R Shenoy
2009-08-20 13:41 ` [PATCH 10/15] sched: Check for sched_mn_power_savings when doing load balancing Andreas Herrmann
2009-08-24 15:03 ` Peter Zijlstra
2009-08-24 15:40 ` Vaidyanathan Srinivasan
2009-08-25 8:00 ` Andreas Herrmann
2009-08-20 13:41 ` [PATCH 11/15] sched: Pass unlimited __cpu_power information to upper domain level groups Andreas Herrmann
2009-08-24 15:21 ` Peter Zijlstra
2009-08-24 16:44 ` Balbir Singh
2009-08-24 17:26 ` Peter Zijlstra
2009-08-24 18:19 ` Balbir Singh
2009-08-25 7:11 ` Peter Zijlstra
2009-08-25 8:04 ` Balbir Singh
2009-08-25 8:30 ` Peter Zijlstra
2009-08-25 8:51 ` Andreas Herrmann
2009-08-20 13:42 ` [PATCH 12/15] sched: Allow NODE domain to be parent of MC instead of CPU domain Andreas Herrmann
2009-08-24 15:32 ` Peter Zijlstra
2009-08-25 8:55 ` Andreas Herrmann
2009-08-20 13:43 ` [PATCH 13/15] sched: Detect child domain of NUMA (aka NODE) domain Andreas Herrmann
2009-08-24 15:34 ` Peter Zijlstra
2009-08-25 9:13 ` Andreas Herrmann
2009-08-20 13:45 ` [PATCH 14/15] sched: Conditionally limit __cpu_power when child sched domain has type NODE Andreas Herrmann
2009-08-24 15:35 ` Peter Zijlstra
2009-08-25 9:19 ` Andreas Herrmann
2009-08-20 13:46 ` [PATCH 15/15] x86: Fix cpu_coregroup_mask to return correct cpumask on multi-node processors Andreas Herrmann
2009-08-24 15:36 ` Peter Zijlstra
2009-08-24 18:21 ` Ingo Molnar
2009-08-25 10:13 ` Andreas Herrmann
2009-08-25 10:36 ` Ingo Molnar
2009-08-27 13:18 ` Andreas Herrmann
2009-08-25 9:31 ` Andreas Herrmann
2009-08-25 9:55 ` Peter Zijlstra
2009-08-25 10:20 ` Ingo Molnar
2009-08-25 10:24 ` Andreas Herrmann
2009-08-25 10:28 ` Ingo Molnar
2009-08-25 10:35 ` Peter Zijlstra
2009-08-27 15:42 ` Andreas Herrmann
2009-08-27 15:25 ` Andreas Herrmann
2009-08-28 10:39 ` Peter Zijlstra
2009-08-28 12:03 ` Andreas Herrmann
2009-08-28 12:50 ` Peter Zijlstra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090820131243.GO29327@alberich.amd.com \
--to=andreas.herrmann3@amd.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=peterz@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.