VictoriaMetrics/lib/promscrape/scrapework_timing_test.go
Aliaksandr Valialkin d5dddb0953 all: use %w instead of %s for wrapping errors in fmt.Errorf
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
2020-06-30 23:05:11 +03:00

50 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); err != nil {
panic(fmt.Errorf("unexpected error: %w", err))
}
timestamp++
}
})
}