mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-23 06:40:23 +00:00
91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
/*
|
|
*
|
|
* Copyright 2017 gRPC 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 main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"net"
|
|
_ "net/http/pprof"
|
|
"os"
|
|
"os/signal"
|
|
"runtime"
|
|
"runtime/pprof"
|
|
"syscall"
|
|
"time"
|
|
|
|
"golang.org/x/sys/unix"
|
|
"google.golang.org/grpc/benchmark"
|
|
"google.golang.org/grpc/grpclog"
|
|
)
|
|
|
|
var (
|
|
port = flag.String("port", "50051", "Localhost port to listen on.")
|
|
testName = flag.String("test_name", "", "Name of the test used for creating profiles.")
|
|
)
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
if *testName == "" {
|
|
grpclog.Fatalf("test name not set")
|
|
}
|
|
lis, err := net.Listen("tcp", ":"+*port)
|
|
if err != nil {
|
|
grpclog.Fatalf("Failed to listen: %v", err)
|
|
}
|
|
defer lis.Close()
|
|
|
|
cf, err := os.Create("/tmp/" + *testName + ".cpu")
|
|
if err != nil {
|
|
grpclog.Fatalf("Failed to create file: %v", err)
|
|
}
|
|
defer cf.Close()
|
|
pprof.StartCPUProfile(cf)
|
|
cpuBeg := getCPUTime()
|
|
// Launch server in a separate goroutine.
|
|
stop := benchmark.StartServer(benchmark.ServerInfo{Type: "protobuf", Listener: lis})
|
|
// Wait on OS terminate signal.
|
|
ch := make(chan os.Signal, 1)
|
|
signal.Notify(ch, syscall.SIGTERM)
|
|
<-ch
|
|
cpu := time.Duration(getCPUTime() - cpuBeg)
|
|
stop()
|
|
pprof.StopCPUProfile()
|
|
mf, err := os.Create("/tmp/" + *testName + ".mem")
|
|
if err != nil {
|
|
grpclog.Fatalf("Failed to create file: %v", err)
|
|
}
|
|
defer mf.Close()
|
|
runtime.GC() // materialize all statistics
|
|
if err := pprof.WriteHeapProfile(mf); err != nil {
|
|
grpclog.Fatalf("Failed to write memory profile: %v", err)
|
|
}
|
|
fmt.Println("Server CPU utilization:", cpu)
|
|
fmt.Println("Server CPU profile:", cf.Name())
|
|
fmt.Println("Server Mem Profile:", mf.Name())
|
|
}
|
|
|
|
func getCPUTime() int64 {
|
|
var ts unix.Timespec
|
|
if err := unix.ClockGettime(unix.CLOCK_PROCESS_CPUTIME_ID, &ts); err != nil {
|
|
grpclog.Fatal(err)
|
|
}
|
|
return ts.Nano()
|
|
}
|