mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-19 19:40:19 +00:00
82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
/*
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*
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* Copyright 2017 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package main
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import (
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"flag"
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"fmt"
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"net"
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_ "net/http/pprof"
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"os"
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"os/signal"
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"runtime"
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"runtime/pprof"
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"time"
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"google.golang.org/grpc/benchmark"
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"google.golang.org/grpc/grpclog"
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"google.golang.org/grpc/internal/syscall"
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)
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var (
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port = flag.String("port", "50051", "Localhost port to listen on.")
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testName = flag.String("test_name", "", "Name of the test used for creating profiles.")
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)
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func main() {
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flag.Parse()
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if *testName == "" {
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grpclog.Fatalf("test name not set")
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}
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lis, err := net.Listen("tcp", ":"+*port)
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if err != nil {
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grpclog.Fatalf("Failed to listen: %v", err)
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}
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defer lis.Close()
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cf, err := os.Create("/tmp/" + *testName + ".cpu")
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if err != nil {
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grpclog.Fatalf("Failed to create file: %v", err)
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}
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defer cf.Close()
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pprof.StartCPUProfile(cf)
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cpuBeg := syscall.GetCPUTime()
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// Launch server in a separate goroutine.
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stop := benchmark.StartServer(benchmark.ServerInfo{Type: "protobuf", Listener: lis})
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// Wait on OS terminate signal.
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ch := make(chan os.Signal, 1)
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signal.Notify(ch, os.Interrupt)
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<-ch
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cpu := time.Duration(syscall.GetCPUTime() - cpuBeg)
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stop()
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pprof.StopCPUProfile()
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mf, err := os.Create("/tmp/" + *testName + ".mem")
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if err != nil {
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grpclog.Fatalf("Failed to create file: %v", err)
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}
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defer mf.Close()
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runtime.GC() // materialize all statistics
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if err := pprof.WriteHeapProfile(mf); err != nil {
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grpclog.Fatalf("Failed to write memory profile: %v", err)
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}
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fmt.Println("Server CPU utilization:", cpu)
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fmt.Println("Server CPU profile:", cf.Name())
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fmt.Println("Server Mem Profile:", mf.Name())
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}
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