feat: add CPU load average to device metrics and dashboard#61
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Thanks for the PR, Ryan. Tested on a RAK V2 — load average card and metrics look good. Merged to \main; this will ship in the v0.7.5 release (no separate patch version). |
KMX415
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May 31, 2026
Resolve CHANGELOG and app.js conflicts: keep v0.7.5 CPU temp display and wire Load Avg card from PR #61.
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Thank you! |
KMX415
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Jun 1, 2026
Version bump, CHANGELOG cut, and update-channel housekeeping (rc-076 / feat/v0.7.6). Includes PR #61 load average merged on main. 854 tests passing.
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Summary
Adds the system 1/5/15-minute load average to the device metrics endpoint and
surfaces it as a new "Load Avg" card on the dashboard system stats row.
_read_load_avg()helper reads/proc/loadavg;GET /api/device/metricsnow returns
"load_avg": [1m, 5m, 15m](ornullon non-Linux hosts).Load Avgstat card showing the 1-min value with5m · 15msub-line,falling back to
N/Awhen unavailable — mirrors the existing CPU Temp card.Why
Load average is a standard, low-overhead health signal that complements the existing
CPU%, RAM, disk, and temperature stats — useful for spotting sustained load on
resource-constrained Pi devices without opening a shell.
Type
Testing
Added unit tests for the
/proc/loadavgparser (pass viapython -m unittest).Backend/JS changes follow the existing metrics + stat-card patterns. Not yet run on
Pi hardware; load values render
N/Aon Windows since/proc/loadavgis absent there.Hardware:
Impact
Does this affect:
Notes: Additive only — one new key on
/api/device/metricsand one new dashboardcard. No changes to existing metric fields, packet handling, or radio paths.
AI-assisted?
If yes, how: Reviewed works and tested with Claude Code (Anthropic). Author wrote main cod, reviewed bug fixes, and understands all changes being made.