mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-01 06:15:22 +01:00
455bf50a91
Previously the scrape duration may be negative when calculated scrape timestamp drifts away from the real scrape timestamp
51 lines
1.9 KiB
Go
51 lines
1.9 KiB
Go
package promscrape
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
|
|
)
|
|
|
|
func BenchmarkScrapeWorkScrapeInternal(b *testing.B) {
|
|
data := `
|
|
vm_tcplistener_accepts_total{name="http", addr=":80"} 1443
|
|
vm_tcplistener_accepts_total{name="https", addr=":443"} 12801
|
|
vm_tcplistener_conns{name="http", addr=":80"} 0
|
|
vm_tcplistener_conns{name="https", addr=":443"} 2
|
|
vm_tcplistener_errors_total{name="http", addr=":80", type="accept"} 0
|
|
vm_tcplistener_errors_total{name="http", addr=":80", type="close"} 0
|
|
vm_tcplistener_errors_total{name="http", addr=":80", type="read"} 97
|
|
vm_tcplistener_errors_total{name="http", addr=":80", type="write"} 2
|
|
vm_tcplistener_errors_total{name="https", addr=":443", type="accept"} 0
|
|
vm_tcplistener_errors_total{name="https", addr=":443", type="close"} 0
|
|
vm_tcplistener_errors_total{name="https", addr=":443", type="read"} 243
|
|
vm_tcplistener_errors_total{name="https", addr=":443", type="write"} 285
|
|
vm_tcplistener_read_bytes_total{name="http", addr=":80"} 879339
|
|
vm_tcplistener_read_bytes_total{name="https", addr=":443"} 19453340
|
|
vm_tcplistener_read_calls_total{name="http", addr=":80"} 7780
|
|
vm_tcplistener_read_calls_total{name="https", addr=":443"} 70323
|
|
vm_tcplistener_read_timeouts_total{name="http", addr=":80"} 673
|
|
vm_tcplistener_read_timeouts_total{name="https", addr=":443"} 12353
|
|
vm_tcplistener_write_calls_total{name="http", addr=":80"} 3996
|
|
vm_tcplistener_write_calls_total{name="https", addr=":443"} 132356
|
|
`
|
|
readDataFunc := func(dst []byte) ([]byte, error) {
|
|
return append(dst, data...), nil
|
|
}
|
|
b.ReportAllocs()
|
|
b.SetBytes(int64(len(data)))
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
var sw scrapeWork
|
|
sw.ReadData = readDataFunc
|
|
sw.PushData = func(wr *prompbmarshal.WriteRequest) {}
|
|
timestamp := int64(0)
|
|
for pb.Next() {
|
|
if err := sw.scrapeInternal(timestamp, timestamp); err != nil {
|
|
panic(fmt.Errorf("unexpected error: %w", err))
|
|
}
|
|
timestamp++
|
|
}
|
|
})
|
|
}
|