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System Metrics

The Sysinfo pane displays live system metrics as time-series line plots. It supports local and remote monitoring.

  • Click the chart icon in the top bar
  • Right-click a pane header and select Sysinfo
  • Use the launcher widget
Metric KeyDescription
cpuOverall CPU usage percentage (0–100%)
cpu:0cpu:31Per-core CPU usage (up to 32 cores)
Metric KeyDescription
mem:usedMemory in use (GB)
mem:freeFree memory (GB)
mem:availableAvailable memory (GB)
mem:totalTotal system memory (GB, used for Y-axis scale)
Metric KeyDescription
net:bytessentNetwork bytes sent (MB/s)
net:bytesrecvNetwork bytes received (MB/s)
net:bytestotalTotal network throughput (MB/s)
Metric KeyDescription
disk:readDisk read throughput (MB/s)
disk:writeDisk write throughput (MB/s)
disk:totalTotal disk I/O throughput (MB/s)

The Sysinfo pane supports preset plot configurations:

Plot TypeMetrics Shown
CPUOverall CPU %
MemMemory used
CPU + MemBoth in one view
NetTotal network throughput
Net (Sent/Recv)Sent and received separately
CPU + Mem + NetAll three combined
Disk I/OTotal disk throughput
Disk I/O (R/W)Read and write separately
All CPUPer-core usage (grid of plots, up to 32)

When more than two metrics are displayed, plots arrange in a 2-column grid. Each plot auto-scales its Y-axis based on the metric type.

  • Data is collected by the backend at a configurable interval (default: 1 second)
  • Points are streamed to the frontend via WebSocket events (sysinfo event type)
  • The default display window is 120 data points (2 minutes at 1s interval)
  • Gap detection inserts blank segments when data is missing (e.g., after sleep/wake)

Each metric type has a distinct CSS variable for theming:

MetricCSS Variable
CPU--sysinfo-cpu-color
Memory--sysinfo-mem-color
Network--sysinfo-net-color
Disk--sysinfo-net-color (shared with network)