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fixes initialization of stat values

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thatben 2025-01-15 10:46:58 +01:00
parent 64f92716a0
commit 92b6be0db1
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1 changed files with 14 additions and 5 deletions
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19
codex/utils/statsummary.nim
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@ -2,11 +2,15 @@ import pkg/metrics
when defined(metrics):
type StatSummary* = ref object of Collector
hasValues: bool
min: float64
max: float64
ravg: float64
method collect(st: StatSummary, output: MetricHandler) =
if not st.hasValues:
return
let timestamp = st.now()
output(
name = st.name & "_min",
@ -27,17 +31,22 @@ when defined(metrics):
proc declareStatSummary*(name: string, help: string = ""): StatSummary =
when defined(metrics):
result = StatSummary.newCollector(name, help)
result.min = high(float64)
result.max = low(float64)
result.hasValues = false
else:
return IgnoredCollector
proc observeStatSummary(st: StatSummary, value: float64) =
if value < st.min:
if st.hasValues:
if value < st.min:
st.min = value
if value > st.max:
st.max = value
st.ravg = (st.ravg + value) / float64(2)
else:
st.hasValues = true
st.min = value
if value > st.max:
st.max = value
st.ravg = (st.ravg + value) / 2.0
st.ravg = value
template observe*(statSummary: StatSummary | type IgnoredCollector, amount: int64 | float64 = 1) =
when defined(metrics) and statSummary is not IgnoredCollector: