diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 49 |
1 files changed, 17 insertions, 32 deletions
diff --git a/init/Kconfig b/init/Kconfig index 7a4964843..31dbc2b01 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -28,6 +28,14 @@ config BUILDTIME_EXTABLE_SORT menu "General setup" +config SCHED_MUQSS + bool "MuQSS cpu scheduler" + default n + ---help--- + The Multiple Queue Skiplist Scheduler for excellent interactivity and + responsiveness on the desktop and highly scalable deterministic + low latency on any hardware. + config PCK_INTERACTIVE bool "Tune kernel for interactivity" default y @@ -52,7 +60,7 @@ config PCK_INTERACTIVE CPU migration cost.............: 0.5 -> 0.25 ms Bandwidth slice size...........: 5 -> 3 ms - --- CPU Scheduler (BFS) -------------------------------- + --- CPU Scheduler (MuQSS) ------------------------------ Scheduling interval............: 6 -> 3 ms ISO task max realtime use......: 70 % -> 25 % @@ -61,29 +69,6 @@ config PCK_INTERACTIVE Ondemand down scaling factor...: 1 -> 10 -config SCHED_BFS - bool "BFS cpu scheduler" - default n - help - The Brain Fuck CPU Scheduler for excellent interactivity and - responsiveness on the desktop and solid scalability on normal - hardware and commodity servers. Not recommended for 4096 CPUs. - - Currently incompatible with the Group CPU scheduler, and RCU TORTURE - TEST so these options are disabled. - -config SCHED_BFS_AUTOISO - bool "Automatically use SCHED_ISO policy for X" - depends on SCHED_BFS - default n - help - Selecting this option will automatically use the SCHED_ISO scheduling - policy for X, resulting in an interactivity boost. This *may* cause - things like skipping sound on audio applications that are not run - as SCHED_ISO. - - Tasks (including X) can be run as sched_iso manually using schedtool. - config BROKEN bool @@ -394,7 +379,7 @@ choice # Kind of a stub config for the pure tick based cputime accounting config TICK_CPU_ACCOUNTING bool "Simple tick based cputime accounting" - depends on !S390 && !NO_HZ_FULL && !SCHED_BFS + depends on !S390 && !NO_HZ_FULL && !SCHED_MUQSS help This is the basic tick based cputime accounting that maintains statistics about user, system and idle time spent on per jiffies @@ -419,7 +404,7 @@ config VIRT_CPU_ACCOUNTING_GEN bool "Full dynticks CPU time accounting" depends on HAVE_CONTEXT_TRACKING depends on HAVE_VIRT_CPU_ACCOUNTING_GEN - depends on !SCHED_BFS + depends on !SCHED_MUQSS select VIRT_CPU_ACCOUNTING select CONTEXT_TRACKING help @@ -755,7 +740,7 @@ config RCU_NOCB_CPU bool "Offload RCU callback processing from boot-selected CPUs" depends on TREE_RCU || PREEMPT_RCU depends on RCU_EXPERT || NO_HZ_FULL - depends on !SCHED_BFS + depends on !SCHED_MUQSS default n help Use this option to reduce OS jitter for aggressive HPC or @@ -988,7 +973,7 @@ config NUMA_BALANCING depends on ARCH_SUPPORTS_NUMA_BALANCING depends on !ARCH_WANT_NUMA_VARIABLE_LOCALITY depends on SMP && NUMA && MIGRATION - depends on !SCHED_BFS + depends on !SCHED_MUQSS help This option adds support for automatic NUMA aware memory/task placement. The mechanism is quite primitive and is based on migrating memory when @@ -1091,13 +1076,13 @@ menuconfig CGROUP_SCHED help This feature lets CPU scheduler recognize task groups and control CPU bandwidth allocation to such task groups. It uses cgroups to group - tasks. In combination with BFS this is purely a STUB to create the + tasks. In combination with MuQSS this is purely a STUB to create the files associated with the CPU controller cgroup but most of the controls do nothing. This is useful for working in environments and with applications that will only work if this control group is present. -if CGROUP_SCHED && !SCHED_BFS +if CGROUP_SCHED && !SCHED_MUQSS config FAIR_GROUP_SCHED bool "Group scheduling for SCHED_OTHER" depends on CGROUP_SCHED @@ -1193,7 +1178,7 @@ config CGROUP_DEVICE config CGROUP_CPUACCT bool "Simple CPU accounting controller" - depends on !SCHED_BFS + depends on !SCHED_MUQSS help Provides a simple controller for monitoring the total CPU consumed by the tasks in a cgroup. @@ -1292,7 +1277,7 @@ endif # NAMESPACES config SCHED_AUTOGROUP bool "Automatic process group scheduling" - depends on !SCHED_BFS + depends on !SCHED_MUQSS select CGROUPS select CGROUP_SCHED select FAIR_GROUP_SCHED |