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Brightness

Sysfs backlight control with connector-to-device matching for internal panels (eDP, LVDS, DSI). 
var brightness = otter_desktop.Brightness.init();
try brightness.openForConnector("eDP-1");
brightness.setBrightness(50);
brightness.adjustBrightness(-10);

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SysInfo

CPU percent, memory, disk, load averages, uptime, and CPU temperature from /proc and /sys. Intel coretemp and AMD k10temp/zenpower sensors only (ignores GPU/network thermal nodes). 
var sysinfo = otter_desktop.SysInfo.init();
sysinfo.subscribe(onChange, &ctx);
if (sysinfo.poll()) { /* subscribers notified */ }

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PipeWire

Per-device volume, mute, default sink/source switching, and hot-plug via native libpipewire. Volume steps use roundToStep() to avoid float drift. Requires -Denable_pipewire=true (default).

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SCX Loader

Monitor and switch schedulers (bpfland, scx_lavd, etc.) through scx_loader D-Bus service.

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Falcond

Reads Falcond daemon status file via inotify. Surfaces performance mode and active SCX profile to the bar falcond widget.

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Monitor collector

desktop.Monitor polls procfs and sysfs with bounded buffers for otter-monitor:
  • Processes and applications
  • CPU, memory, GPU (sysfs or NVML)
  • Disk and network
  • 60-sample history rings
Collection logic stays here so the monitor app can focus on UI.