Ejemplo n.º 1
0
// BenchmarkParseProtoGzip is like BenchmarkParseProto above, but parses gzipped
// protobuf format.
func BenchmarkParseProtoGzip(b *testing.B) {
	b.StopTimer()
	data, err := ioutil.ReadFile("testdata/protobuf.gz")
	if err != nil {
		b.Fatal(err)
	}
	b.StartTimer()

	for i := 0; i < b.N; i++ {
		family := &dto.MetricFamily{}
		in, err := gzip.NewReader(bytes.NewReader(data))
		if err != nil {
			b.Fatal(err)
		}
		for {
			family.Reset()
			if _, err := pbutil.ReadDelimited(in, family); err != nil {
				if err == io.EOF {
					break
				}
				b.Fatal(err)
			}
		}
	}
}
Ejemplo n.º 2
0
// BenchmarkParseProtoMap is like BenchmarkParseProto but DOES put the parsed
// metric family DTOs into a map. This is not happening during Prometheus
// ingestion. It is just here to measure the overhead of that map creation and
// separate it from the overhead of the text format parsing.
func BenchmarkParseProtoMap(b *testing.B) {
	b.StopTimer()
	data, err := ioutil.ReadFile("testdata/protobuf")
	if err != nil {
		b.Fatal(err)
	}
	b.StartTimer()

	for i := 0; i < b.N; i++ {
		families := map[string]*dto.MetricFamily{}
		in := bytes.NewReader(data)
		for {
			family := &dto.MetricFamily{}
			if _, err := pbutil.ReadDelimited(in, family); err != nil {
				if err == io.EOF {
					break
				}
				b.Fatal(err)
			}
			families[family.GetName()] = family
		}
	}
}
Ejemplo n.º 3
0
// Decode implements the Decoder interface.
func (d *protoDecoder) Decode(v *dto.MetricFamily) error {
	_, err := pbutil.ReadDelimited(d.r, v)
	return err
}