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Return sane fallback CPU percent after first sample on unknown Unix platforms; add xvfb/scrot docs and stub tests; clear PROBLEMS.md open bugs.
32 lines
784 B
Go
32 lines
784 B
Go
package stats
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// StubFallbackCPUPercent is returned after the first sample on platforms without
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// OS CPU counters (cpu_stub.go). Kept below the default idle threshold (20%).
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const StubFallbackCPUPercent = 5.0
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// stubSystemCPUPercent implements idle-mining-safe defaults when real counters
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// are unavailable: first sample returns 0 (no delta yet), then a low busy %.
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func (r *Reporter) stubSystemCPUPercent() float64 {
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r.mu.Lock()
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defer r.mu.Unlock()
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if !r.hasSample {
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r.hasSample = true
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return 0
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}
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return StubFallbackCPUPercent
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}
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func cpuBusyPercentFromDeltas(idleDelta, totalDelta float64) float64 {
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if totalDelta <= 0 {
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return 0
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}
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busyPct := (1.0 - idleDelta/totalDelta) * 100
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if busyPct < 0 {
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return 0
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}
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if busyPct > 100 {
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return 100
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}
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return busyPct
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}
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