| // Copyright 2018, OpenCensus Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| package view |
| |
| import ( |
| "context" |
| "fmt" |
| "testing" |
| "time" |
| |
| "go.opencensus.io/stats" |
| "go.opencensus.io/tag" |
| ) |
| |
| var ( |
| m = stats.Float64("m", "", "") |
| k1, _ = tag.NewKey("k1") |
| k2, _ = tag.NewKey("k2") |
| k3, _ = tag.NewKey("k3") |
| k4, _ = tag.NewKey("k4") |
| k5, _ = tag.NewKey("k5") |
| k6, _ = tag.NewKey("k6") |
| k7, _ = tag.NewKey("k7") |
| k8, _ = tag.NewKey("k8") |
| view = &View{ |
| Measure: m, |
| Aggregation: Distribution(1, 2, 3, 4, 5, 6, 7, 8, 9, 10), |
| TagKeys: []tag.Key{k1, k2}, |
| } |
| ) |
| |
| // BenchmarkRecordReqCommand benchmarks calling the internal recording machinery |
| // directly. |
| func BenchmarkRecordReqCommand(b *testing.B) { |
| w := newWorker() |
| |
| register := ®isterViewReq{views: []*View{view}, err: make(chan error, 1)} |
| register.handleCommand(w) |
| if err := <-register.err; err != nil { |
| b.Fatal(err) |
| } |
| |
| const tagCount = 10 |
| ctxs := make([]context.Context, 0, tagCount) |
| for i := 0; i < tagCount; i++ { |
| ctx, _ := tag.New(context.Background(), |
| tag.Upsert(k1, fmt.Sprintf("v%d", i)), |
| tag.Upsert(k2, fmt.Sprintf("v%d", i)), |
| tag.Upsert(k3, fmt.Sprintf("v%d", i)), |
| tag.Upsert(k4, fmt.Sprintf("v%d", i)), |
| tag.Upsert(k5, fmt.Sprintf("v%d", i)), |
| tag.Upsert(k6, fmt.Sprintf("v%d", i)), |
| tag.Upsert(k7, fmt.Sprintf("v%d", i)), |
| tag.Upsert(k8, fmt.Sprintf("v%d", i)), |
| ) |
| ctxs = append(ctxs, ctx) |
| } |
| |
| b.ReportAllocs() |
| b.ResetTimer() |
| |
| for i := 0; i < b.N; i++ { |
| record := &recordReq{ |
| ms: []stats.Measurement{ |
| m.M(1), |
| m.M(1), |
| m.M(1), |
| m.M(1), |
| m.M(1), |
| m.M(1), |
| m.M(1), |
| m.M(1), |
| }, |
| tm: tag.FromContext(ctxs[i%len(ctxs)]), |
| t: time.Now(), |
| } |
| record.handleCommand(w) |
| } |
| } |