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package level_test
import (
"io/ioutil"
"testing"
"github.com/go-kit/log"
"github.com/go-kit/log/level"
)
func Benchmark(b *testing.B) {
contexts := []struct {
name string
context func(log.Logger) log.Logger
}{
{"NoContext", func(l log.Logger) log.Logger {
return l
}},
{"TimeContext", func(l log.Logger) log.Logger {
return log.With(l, "time", log.DefaultTimestampUTC)
}},
{"CallerContext", func(l log.Logger) log.Logger {
return log.With(l, "caller", log.DefaultCaller)
}},
{"TimeCallerReqIDContext", func(l log.Logger) log.Logger {
return log.With(l, "time", log.DefaultTimestampUTC, "caller", log.DefaultCaller, "reqID", 29)
}},
}
loggers := []struct {
name string
logger log.Logger
}{
{"Nop", log.NewNopLogger()},
{"Logfmt", log.NewLogfmtLogger(ioutil.Discard)},
{"JSON", log.NewJSONLogger(ioutil.Discard)},
}
filters := []struct {
name string
filter func(log.Logger) log.Logger
}{
{"Baseline", func(l log.Logger) log.Logger {
return l
}},
{"DisallowedLevel", func(l log.Logger) log.Logger {
return level.NewFilter(l, level.AllowInfo())
}},
{"AllowedLevel", func(l log.Logger) log.Logger {
return level.NewFilter(l, level.AllowAll())
}},
}
for _, c := range contexts {
b.Run(c.name, func(b *testing.B) {
for _, f := range filters {
b.Run(f.name, func(b *testing.B) {
for _, l := range loggers {
b.Run(l.name, func(b *testing.B) {
logger := c.context(f.filter(l.logger))
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
level.Debug(logger).Log("foo", "bar")
}
})
}
})
}
})
}
}
|
