System76 scheduler

`services.system76-scheduler.assignments`

Process profile assignments. Type: attribute set of (submodule)

Default

{ }

Example

{nix-builds = {nice = 15;class = "batch";ioClass = "idle";matchers = ["nix-daemon"];};}

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.assignments.<name>.class`

CPU scheduler class. Type: null or one of "idle", "batch", "other", "rr", "fifo"

Default

null

Example

"batch"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.assignments.<name>.ioClass`

IO scheduler class. Type: null or one of "idle", "best-effort", "realtime"

Default

null

Example

"best-effort"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.assignments.<name>.ioPrio`

IO scheduler priority. Type: null or integer between 0 and 7 (both inclusive)

Default

null

Example

4

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.assignments.<name>.matchers`

Process matchers. Type: null or (list of string)

Default

[ ]

Example

["include cgroup=\"/user.slice/*.service\" parent=\"systemd\"""emacs"]

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.assignments.<name>.nice`

Niceness. Type: null or integer between -20 and 19 (both inclusive)

Default

null

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.assignments.<name>.prio`

CPU scheduler priority. Type: null or integer between 1 and 99 (both inclusive)

Default

null

Example

49

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.enable`

Whether to enable system76-scheduler. Type: boolean

Default

false

Example

true

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.exceptions`

Processes that are left alone. Type: list of string

Default

[ ]

Example

["include descends=\"schedtool\"""schedtool"]

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.package`

Which System76-Scheduler package to use. Type: package

Default

config.boot.kernelPackages.system76-scheduler

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.default.bandwidth-size`

sched_cfs_bandwidth_slice_us. Type: signed integer

Default

5

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.default.latency`

sched_latency_ns. Type: signed integer

Default

6

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.default.nr-latency`

sched_nr_latency. Type: signed integer

Default

8

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.default.preempt`

Preemption mode. Type: one of "none", "voluntary", "full"

Default

"voluntary"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.default.wakeup-granularity`

sched_wakeup_granularity_ns. Type: floating point number

Default

1.0

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.enable`

Tweak CFS latency parameters when going on/off battery Type: boolean

Default

true

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.responsive.bandwidth-size`

sched_cfs_bandwidth_slice_us. Type: signed integer

Default

3

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.responsive.latency`

sched_latency_ns. Type: signed integer

Default

4

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.responsive.nr-latency`

sched_nr_latency. Type: signed integer

Default

10

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.responsive.preempt`

Preemption mode. Type: one of "none", "voluntary", "full"

Default

"full"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.cfsProfiles.responsive.wakeup-granularity`

sched_wakeup_granularity_ns. Type: floating point number

Default

0.5

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.enable`

Tweak scheduling of individual processes in real time. Type: boolean

Default

true

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.background.class`

CPU scheduler class. Type: null or one of "idle", "batch", "other", "rr", "fifo"

Default

null

Example

"batch"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.background.ioClass`

IO scheduler class. Type: null or one of "idle", "best-effort", "realtime"

Default

"idle"

Example

"best-effort"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.background.ioPrio`

IO scheduler priority. Type: null or integer between 0 and 7 (both inclusive)

Default

null

Example

4

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.background.matchers`

Process matchers. Type: null or (list of string)

Default

[ ]

Example

["include cgroup=\"/user.slice/*.service\" parent=\"systemd\"""emacs"]

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.background.nice`

Niceness. Type: null or integer between -20 and 19 (both inclusive)

Default

6

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.background.prio`

CPU scheduler priority. Type: null or integer between 1 and 99 (both inclusive)

Default

null

Example

49

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.enable`

Boost foreground process priorities.

(And de-boost background ones). Note that this option needs cooperation from the desktop environment to work. On Gnome the client side is implemented by the "System76 Scheduler" shell extension.

Type: boolean

Default

true

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.foreground.class`

CPU scheduler class. Type: null or one of "idle", "batch", "other", "rr", "fifo"

Default

null

Example

"batch"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.foreground.ioClass`

IO scheduler class. Type: null or one of "idle", "best-effort", "realtime"

Default

"best-effort"

Example

"best-effort"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.foreground.ioPrio`

IO scheduler priority. Type: null or integer between 0 and 7 (both inclusive)

Default

0

Example

4

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.foreground.matchers`

Process matchers. Type: null or (list of string)

Default

[ ]

Example

["include cgroup=\"/user.slice/*.service\" parent=\"systemd\"""emacs"]

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.foreground.nice`

Niceness. Type: null or integer between -20 and 19 (both inclusive)

Default

0

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.foregroundBoost.foreground.prio`

CPU scheduler priority. Type: null or integer between 1 and 99 (both inclusive)

Default

null

Example

49

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.pipewireBoost.enable`

Boost Pipewire client priorities. Type: boolean

Default

true

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.pipewireBoost.profile.class`

CPU scheduler class. Type: null or one of "idle", "batch", "other", "rr", "fifo"

Default

null

Example

"batch"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.pipewireBoost.profile.ioClass`

IO scheduler class. Type: null or one of "idle", "best-effort", "realtime"

Default

"best-effort"

Example

"best-effort"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.pipewireBoost.profile.ioPrio`

IO scheduler priority. Type: null or integer between 0 and 7 (both inclusive)

Default

0

Example

4

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.pipewireBoost.profile.matchers`

Process matchers. Type: null or (list of string)

Default

[ ]

Example

["include cgroup=\"/user.slice/*.service\" parent=\"systemd\"""emacs"]

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.pipewireBoost.profile.nice`

Niceness. Type: null or integer between -20 and 19 (both inclusive)

Default

-6

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.pipewireBoost.profile.prio`

CPU scheduler priority. Type: null or integer between 1 and 99 (both inclusive)

Default

null

Example

49

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.refreshInterval`

Process list poll interval, in seconds Type: signed integer

Default

60

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.settings.processScheduler.useExecsnoop`

Use execsnoop (otherwise poll the precess list periodically). Type: boolean

Default

true

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix

`services.system76-scheduler.useStockConfig`

Use the (reasonable and featureful) stock configuration.

When this option is true, services.system76-scheduler.settings are ignored.

Type: boolean

Default

true

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/desktops/system76-scheduler.nix