mirror of https://github.com/bcicen/ctop.git
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package single
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type IntHist struct {
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Val int // most current data point
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Data []int // historical data points
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Labels []string
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}
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func NewIntHist(max int) *IntHist {
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return &IntHist{
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Data: make([]int, max),
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Labels: make([]string, max),
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}
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}
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func (h *IntHist) Append(val int) {
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if len(h.Data) == cap(h.Data) {
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h.Data = append(h.Data[:0], h.Data[1:]...)
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}
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h.Val = val
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h.Data = append(h.Data, val)
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}
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type DiffHist struct {
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*IntHist
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lastVal int
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}
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func NewDiffHist(max int) *DiffHist {
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return &DiffHist{NewIntHist(max), -1}
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}
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func (h *DiffHist) Append(val int) {
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if h.lastVal >= 0 { // skip append if this is the initial update
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diff := val - h.lastVal
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h.IntHist.Append(diff)
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}
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h.lastVal = val
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}
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type FloatHist struct {
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Val float64 // most current data point
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Data []float64 // historical data points
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Labels []string
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}
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func NewFloatHist(max int) FloatHist {
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return FloatHist{
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Data: make([]float64, max),
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Labels: make([]string, max),
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}
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}
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func (h FloatHist) Append(val float64) {
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if len(h.Data) == cap(h.Data) {
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h.Data = append(h.Data[:0], h.Data[1:]...)
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}
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h.Val = val
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h.Data = append(h.Data, val)
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}
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