imzrt

type App struct {
	// contains filtered or unexported fields
}

type PublishedSnapshot struct {
	SampledAtUnixMs int64

	// Shared time axis (unix seconds).
	HistTimeUnixSec []float64

	// Heap sawtooth + stacked memory-class bands (MiB).
	HistHeapObjectsMiB []float64 // also the sawtooth "heap in use" line + bottom band
	HistHeapGoalMiB    []float64 // GC trigger target
	HistIdleMiB        []float64 // heap free + unused + released
	HistStacksMiB      []float64 // heap stacks + OS thread stacks
	HistMetadataMiB    []float64 // runtime metadata
	HistOtherMiB       []float64 // other + profiling buckets
	HistTotalMiB       []float64 // total mapped (≈ sum of bands)
	HistGoroutines     []float64

	// Latest scalars for instant readouts and the top bar.
	Goroutines       uint64
	GomaxProcs       uint64
	HeapObjectsBytes uint64
	HeapLiveBytes    uint64
	HeapGoalBytes    uint64
	IdleBytes        uint64
	StacksBytes      uint64
	MetadataBytes    uint64
	OtherBytes       uint64
	TotalMappedBytes uint64
	ReleasedBytes    uint64
	HeapObjectsCount uint64
	GCCyclesTotal    uint64
	GCCyclesForced   uint64
	GOGCPercent      uint64
	GOMemLimitBytes  uint64 // goruntime.MemLimitUnset when GOMEMLIMIT is not set

	// Derived current rates.
	AllocRateBytesPerSec float64
	GCPerSec             float64

	// GC dynamics (M2): rolling history plus current-interval scalars.
	HistPauseP50Ms     []float64 // rolling per-interval p50 GC pause (ms)
	HistPauseP99Ms     []float64 // rolling per-interval p99 GC pause (ms)
	HistPauseMaxMs     []float64 // rolling per-interval max GC pause (ms)
	HistGCPerSec       []float64 // total GC cycles/s
	HistGCForcedPerSec []float64 // forced GC cycles/s
	HistAllocMiBs      []float64 // allocation rate (MiB/s)
	PauseP50Sec        float64
	PauseP99Sec        float64
	PauseMaxSec        float64
	PausesInWindow     uint64
	GCForcedPerSec     float64
	AllocObjPerSec     float64

	// Scheduler dynamics (M3).
	HistSchedP99Ms []float64 // rolling per-interval p99 scheduling latency (ms)
	SchedP99Sec    float64
	// Spectrogram: the current interval's per-bucket /sched/latencies counts plus
	// the bucket boundaries. The panel pushes one column per tick.
	SchedLatColCounts  []uint64
	SchedLatColBuckets []float64
	// STW pause counts this interval (gc / other). STWAvailable is false on a Go
	// version lacking /sched/pauses/total/* — the panel hides the row.
	STWGCCount    uint64
	STWOtherCount uint64
	STWAvailable  bool

	// Count of curated runtime metrics absent on this Go version (0 on a current toolchain).
	MissingMetrics int
}

type Sampler struct {
	// contains filtered or unexported fields
}

type SamplerI interface {
	Start(ctx context.Context)
	Latest() (snap *PublishedSnapshot)
	Pause(p bool)
	IsPaused() (p bool)
	Close() (err error)
}

type SamplerOptions struct {
	UpdateInterval time.Duration
	HistoryWindow  time.Duration
}

type SlidingWindow[T any] = slidingwindow.Window[T]

type WindowedHistogram struct {
	Buckets []float64
	Counts  []uint64
}