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BREAKING CHANGE(smartmetrics): add system-wide metrics collection, Prometheus gauges, and normalized CPU reporting

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Jürgen Kunz
2026-02-19 10:10:58 +00:00
parent 32d75804c0
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# Changelog
## 2026-02-19 - 3.0.0 - BREAKING CHANGE(smartmetrics)
add system-wide metrics collection, Prometheus gauges, and normalized CPU reporting
- Add new sysusage plugin (ts/smartmetrics.sysusage.ts) that reads /proc/stat and /proc/meminfo (with os fallback) and returns system CPU, memory and load averages.
- Expose system-wide Prometheus gauges: smartmetrics_system_cpu_percent, smartmetrics_system_memory_used_percent, smartmetrics_system_memory_used_bytes, smartmetrics_system_load_avg_1, smartmetrics_system_load_avg_5, smartmetrics_system_load_avg_15.
- Extend IMetricsSnapshot with system fields: systemCpuPercent, systemMemTotalBytes, systemMemAvailableBytes, systemMemUsedBytes, systemMemUsedPercent, systemLoadAvg1, systemLoadAvg5, systemLoadAvg15 (this is a breaking TypeScript API change).
- Normalize per-process CPU in pidusage by adding cpuCoreCount and cpuNormalizedPercent and use cpuNormalizedPercent when aggregating CPU across the process tree.
- Export the new sysusage plugin from ts/smartmetrics.plugins.ts and wire system metrics into metric collection and Prometheus gauge updates.
## 2026-02-19 - 2.0.11 - fix(deps)
bump dependencies, update build script, expand README and npm metadata