github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/scheduler/internal/v3/agent/agent_bench_test.go (about)

     1  // Copyright 2022 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package agent
    15  
    16  import (
    17  	"fmt"
    18  	"testing"
    19  
    20  	"github.com/pingcap/tiflow/cdc/model"
    21  	"github.com/pingcap/tiflow/cdc/scheduler/schedulepb"
    22  	"github.com/pingcap/tiflow/pkg/spanz"
    23  )
    24  
    25  func benchmarkHeartbeatResponse(b *testing.B, bench func(b *testing.B, a *agent)) {
    26  	upperBound := 16384
    27  	for size := 1; size <= upperBound; size *= 2 {
    28  		tableExec := newMockTableExecutor()
    29  		liveness := model.LivenessCaptureAlive
    30  		a := &agent{
    31  			tableM:   newTableSpanManager(model.ChangeFeedID{}, tableExec),
    32  			liveness: &liveness,
    33  		}
    34  
    35  		for j := 0; j < size; j++ {
    36  			span := spanz.TableIDToComparableSpan(model.TableID(10000 + j))
    37  			_ = a.tableM.addTableSpan(span)
    38  		}
    39  
    40  		b.ResetTimer()
    41  		bench(b, a)
    42  		b.StopTimer()
    43  	}
    44  }
    45  
    46  func BenchmarkRefreshAllTables(b *testing.B) {
    47  	benchmarkHeartbeatResponse(b, func(b *testing.B, a *agent) {
    48  		total := a.tableM.tables.Len()
    49  		b.Run(fmt.Sprintf("%d tables", total), func(b *testing.B) {
    50  			for i := 0; i < b.N; i++ {
    51  				a.handleMessageHeartbeat(&schedulepb.Heartbeat{})
    52  			}
    53  		})
    54  	})
    55  }