mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-23 13:30:23 +00:00
365 lines
11 KiB
Go
365 lines
11 KiB
Go
/*
|
|
*
|
|
* Copyright 2014 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.
|
|
*
|
|
*/
|
|
|
|
//go:generate protoc -I grpc_testing --go_out=plugins=grpc:grpc_testing grpc_testing/control.proto grpc_testing/messages.proto grpc_testing/payloads.proto grpc_testing/services.proto grpc_testing/stats.proto
|
|
|
|
/*
|
|
Package benchmark implements the building blocks to setup end-to-end gRPC benchmarks.
|
|
*/
|
|
package benchmark
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"net"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"golang.org/x/net/context"
|
|
"google.golang.org/grpc"
|
|
testpb "google.golang.org/grpc/benchmark/grpc_testing"
|
|
"google.golang.org/grpc/benchmark/latency"
|
|
"google.golang.org/grpc/benchmark/stats"
|
|
"google.golang.org/grpc/grpclog"
|
|
)
|
|
|
|
// AddOne add 1 to the features slice
|
|
func AddOne(features []int, featuresMaxPosition []int) {
|
|
for i := len(features) - 1; i >= 0; i-- {
|
|
features[i] = (features[i] + 1)
|
|
if features[i]/featuresMaxPosition[i] == 0 {
|
|
break
|
|
}
|
|
features[i] = features[i] % featuresMaxPosition[i]
|
|
}
|
|
}
|
|
|
|
// Allows reuse of the same testpb.Payload object.
|
|
func setPayload(p *testpb.Payload, t testpb.PayloadType, size int) {
|
|
if size < 0 {
|
|
grpclog.Fatalf("Requested a response with invalid length %d", size)
|
|
}
|
|
body := make([]byte, size)
|
|
switch t {
|
|
case testpb.PayloadType_COMPRESSABLE:
|
|
case testpb.PayloadType_UNCOMPRESSABLE:
|
|
grpclog.Fatalf("PayloadType UNCOMPRESSABLE is not supported")
|
|
default:
|
|
grpclog.Fatalf("Unsupported payload type: %d", t)
|
|
}
|
|
p.Type = t
|
|
p.Body = body
|
|
return
|
|
}
|
|
|
|
func newPayload(t testpb.PayloadType, size int) *testpb.Payload {
|
|
p := new(testpb.Payload)
|
|
setPayload(p, t, size)
|
|
return p
|
|
}
|
|
|
|
type testServer struct {
|
|
}
|
|
|
|
func (s *testServer) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
|
|
return &testpb.SimpleResponse{
|
|
Payload: newPayload(in.ResponseType, int(in.ResponseSize)),
|
|
}, nil
|
|
}
|
|
|
|
func (s *testServer) StreamingCall(stream testpb.BenchmarkService_StreamingCallServer) error {
|
|
response := &testpb.SimpleResponse{
|
|
Payload: new(testpb.Payload),
|
|
}
|
|
in := new(testpb.SimpleRequest)
|
|
for {
|
|
// use ServerStream directly to reuse the same testpb.SimpleRequest object
|
|
err := stream.(grpc.ServerStream).RecvMsg(in)
|
|
if err == io.EOF {
|
|
// read done.
|
|
return nil
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
setPayload(response.Payload, in.ResponseType, int(in.ResponseSize))
|
|
if err := stream.Send(response); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
|
|
// byteBufServer is a gRPC server that sends and receives byte buffer.
|
|
// The purpose is to benchmark the gRPC performance without protobuf serialization/deserialization overhead.
|
|
type byteBufServer struct {
|
|
respSize int32
|
|
}
|
|
|
|
// UnaryCall is an empty function and is not used for benchmark.
|
|
// If bytebuf UnaryCall benchmark is needed later, the function body needs to be updated.
|
|
func (s *byteBufServer) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
|
|
return &testpb.SimpleResponse{}, nil
|
|
}
|
|
|
|
func (s *byteBufServer) StreamingCall(stream testpb.BenchmarkService_StreamingCallServer) error {
|
|
for {
|
|
var in []byte
|
|
err := stream.(grpc.ServerStream).RecvMsg(&in)
|
|
if err == io.EOF {
|
|
return nil
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
out := make([]byte, s.respSize)
|
|
if err := stream.(grpc.ServerStream).SendMsg(&out); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
|
|
// ServerInfo contains the information to create a gRPC benchmark server.
|
|
type ServerInfo struct {
|
|
// Addr is the address of the server.
|
|
Addr string
|
|
|
|
// Type is the type of the server.
|
|
// It should be "protobuf" or "bytebuf".
|
|
Type string
|
|
|
|
// Metadata is an optional configuration.
|
|
// For "protobuf", it's ignored.
|
|
// For "bytebuf", it should be an int representing response size.
|
|
Metadata interface{}
|
|
|
|
// Network can simulate latency
|
|
Network *latency.Network
|
|
}
|
|
|
|
// StartServer starts a gRPC server serving a benchmark service according to info.
|
|
// It returns its listen address and a function to stop the server.
|
|
func StartServer(info ServerInfo, opts ...grpc.ServerOption) (string, func()) {
|
|
lis, err := net.Listen("tcp", info.Addr)
|
|
if err != nil {
|
|
grpclog.Fatalf("Failed to listen: %v", err)
|
|
}
|
|
nw := info.Network
|
|
if nw != nil {
|
|
lis = nw.Listener(lis)
|
|
}
|
|
opts = append(opts, grpc.WriteBufferSize(128*1024))
|
|
opts = append(opts, grpc.ReadBufferSize(128*1024))
|
|
s := grpc.NewServer(opts...)
|
|
switch info.Type {
|
|
case "protobuf":
|
|
testpb.RegisterBenchmarkServiceServer(s, &testServer{})
|
|
case "bytebuf":
|
|
respSize, ok := info.Metadata.(int32)
|
|
if !ok {
|
|
grpclog.Fatalf("failed to StartServer, invalid metadata: %v, for Type: %v", info.Metadata, info.Type)
|
|
}
|
|
testpb.RegisterBenchmarkServiceServer(s, &byteBufServer{respSize: respSize})
|
|
default:
|
|
grpclog.Fatalf("failed to StartServer, unknown Type: %v", info.Type)
|
|
}
|
|
go s.Serve(lis)
|
|
return lis.Addr().String(), func() {
|
|
s.Stop()
|
|
}
|
|
}
|
|
|
|
// DoUnaryCall performs an unary RPC with given stub and request and response sizes.
|
|
func DoUnaryCall(tc testpb.BenchmarkServiceClient, reqSize, respSize int) error {
|
|
pl := newPayload(testpb.PayloadType_COMPRESSABLE, reqSize)
|
|
req := &testpb.SimpleRequest{
|
|
ResponseType: pl.Type,
|
|
ResponseSize: int32(respSize),
|
|
Payload: pl,
|
|
}
|
|
if _, err := tc.UnaryCall(context.Background(), req); err != nil {
|
|
return fmt.Errorf("/BenchmarkService/UnaryCall(_, _) = _, %v, want _, <nil>", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// DoStreamingRoundTrip performs a round trip for a single streaming rpc.
|
|
func DoStreamingRoundTrip(stream testpb.BenchmarkService_StreamingCallClient, reqSize, respSize int) error {
|
|
pl := newPayload(testpb.PayloadType_COMPRESSABLE, reqSize)
|
|
req := &testpb.SimpleRequest{
|
|
ResponseType: pl.Type,
|
|
ResponseSize: int32(respSize),
|
|
Payload: pl,
|
|
}
|
|
if err := stream.Send(req); err != nil {
|
|
return fmt.Errorf("/BenchmarkService/StreamingCall.Send(_) = %v, want <nil>", err)
|
|
}
|
|
if _, err := stream.Recv(); err != nil {
|
|
// EOF is a valid error here.
|
|
if err == io.EOF {
|
|
return nil
|
|
}
|
|
return fmt.Errorf("/BenchmarkService/StreamingCall.Recv(_) = %v, want <nil>", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// DoByteBufStreamingRoundTrip performs a round trip for a single streaming rpc, using a custom codec for byte buffer.
|
|
func DoByteBufStreamingRoundTrip(stream testpb.BenchmarkService_StreamingCallClient, reqSize, respSize int) error {
|
|
out := make([]byte, reqSize)
|
|
if err := stream.(grpc.ClientStream).SendMsg(&out); err != nil {
|
|
return fmt.Errorf("/BenchmarkService/StreamingCall.(ClientStream).SendMsg(_) = %v, want <nil>", err)
|
|
}
|
|
var in []byte
|
|
if err := stream.(grpc.ClientStream).RecvMsg(&in); err != nil {
|
|
// EOF is a valid error here.
|
|
if err == io.EOF {
|
|
return nil
|
|
}
|
|
return fmt.Errorf("/BenchmarkService/StreamingCall.(ClientStream).RecvMsg(_) = %v, want <nil>", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// NewClientConn creates a gRPC client connection to addr.
|
|
func NewClientConn(addr string, opts ...grpc.DialOption) *grpc.ClientConn {
|
|
opts = append(opts, grpc.WithWriteBufferSize(128*1024))
|
|
opts = append(opts, grpc.WithReadBufferSize(128*1024))
|
|
conn, err := grpc.Dial(addr, opts...)
|
|
if err != nil {
|
|
grpclog.Fatalf("NewClientConn(%q) failed to create a ClientConn %v", addr, err)
|
|
}
|
|
return conn
|
|
}
|
|
|
|
func runUnary(b *testing.B, benchFeatures stats.Features) {
|
|
s := stats.AddStats(b, 38)
|
|
nw := &latency.Network{Kbps: benchFeatures.Kbps, Latency: benchFeatures.Latency, MTU: benchFeatures.Mtu}
|
|
target, stopper := StartServer(ServerInfo{Addr: "localhost:0", Type: "protobuf", Network: nw}, grpc.MaxConcurrentStreams(uint32(benchFeatures.MaxConcurrentCalls+1)))
|
|
defer stopper()
|
|
conn := NewClientConn(
|
|
target, grpc.WithInsecure(),
|
|
grpc.WithDialer(func(address string, timeout time.Duration) (net.Conn, error) {
|
|
return nw.TimeoutDialer(net.DialTimeout)("tcp", address, timeout)
|
|
}),
|
|
)
|
|
tc := testpb.NewBenchmarkServiceClient(conn)
|
|
|
|
// Warm up connection.
|
|
for i := 0; i < 10; i++ {
|
|
unaryCaller(tc, benchFeatures.ReqSizeBytes, benchFeatures.RespSizeBytes)
|
|
}
|
|
ch := make(chan int, benchFeatures.MaxConcurrentCalls*4)
|
|
var (
|
|
mu sync.Mutex
|
|
wg sync.WaitGroup
|
|
)
|
|
wg.Add(benchFeatures.MaxConcurrentCalls)
|
|
|
|
// Distribute the b.N calls over maxConcurrentCalls workers.
|
|
for i := 0; i < benchFeatures.MaxConcurrentCalls; i++ {
|
|
go func() {
|
|
for range ch {
|
|
start := time.Now()
|
|
unaryCaller(tc, benchFeatures.ReqSizeBytes, benchFeatures.RespSizeBytes)
|
|
elapse := time.Since(start)
|
|
mu.Lock()
|
|
s.Add(elapse)
|
|
mu.Unlock()
|
|
}
|
|
wg.Done()
|
|
}()
|
|
}
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
ch <- i
|
|
}
|
|
close(ch)
|
|
wg.Wait()
|
|
b.StopTimer()
|
|
conn.Close()
|
|
}
|
|
|
|
func runStream(b *testing.B, benchFeatures stats.Features) {
|
|
s := stats.AddStats(b, 38)
|
|
nw := &latency.Network{Kbps: benchFeatures.Kbps, Latency: benchFeatures.Latency, MTU: benchFeatures.Mtu}
|
|
target, stopper := StartServer(ServerInfo{Addr: "localhost:0", Type: "protobuf", Network: nw}, grpc.MaxConcurrentStreams(uint32(benchFeatures.MaxConcurrentCalls+1)))
|
|
defer stopper()
|
|
conn := NewClientConn(
|
|
target, grpc.WithInsecure(),
|
|
grpc.WithDialer(func(address string, timeout time.Duration) (net.Conn, error) {
|
|
return nw.TimeoutDialer(net.DialTimeout)("tcp", address, timeout)
|
|
}),
|
|
)
|
|
tc := testpb.NewBenchmarkServiceClient(conn)
|
|
|
|
// Warm up connection.
|
|
stream, err := tc.StreamingCall(context.Background())
|
|
if err != nil {
|
|
b.Fatalf("%v.StreamingCall(_) = _, %v", tc, err)
|
|
}
|
|
for i := 0; i < 10; i++ {
|
|
streamCaller(stream, benchFeatures.ReqSizeBytes, benchFeatures.RespSizeBytes)
|
|
}
|
|
|
|
ch := make(chan struct{}, benchFeatures.MaxConcurrentCalls*4)
|
|
var (
|
|
mu sync.Mutex
|
|
wg sync.WaitGroup
|
|
)
|
|
wg.Add(benchFeatures.MaxConcurrentCalls)
|
|
|
|
// Distribute the b.N calls over maxConcurrentCalls workers.
|
|
for i := 0; i < benchFeatures.MaxConcurrentCalls; i++ {
|
|
stream, err := tc.StreamingCall(context.Background())
|
|
if err != nil {
|
|
b.Fatalf("%v.StreamingCall(_) = _, %v", tc, err)
|
|
}
|
|
go func() {
|
|
for range ch {
|
|
start := time.Now()
|
|
streamCaller(stream, benchFeatures.ReqSizeBytes, benchFeatures.RespSizeBytes)
|
|
elapse := time.Since(start)
|
|
mu.Lock()
|
|
s.Add(elapse)
|
|
mu.Unlock()
|
|
}
|
|
wg.Done()
|
|
}()
|
|
}
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
ch <- struct{}{}
|
|
}
|
|
close(ch)
|
|
wg.Wait()
|
|
b.StopTimer()
|
|
conn.Close()
|
|
}
|
|
func unaryCaller(client testpb.BenchmarkServiceClient, reqSize, respSize int) {
|
|
if err := DoUnaryCall(client, reqSize, respSize); err != nil {
|
|
grpclog.Fatalf("DoUnaryCall failed: %v", err)
|
|
}
|
|
}
|
|
|
|
func streamCaller(stream testpb.BenchmarkService_StreamingCallClient, reqSize, respSize int) {
|
|
if err := DoStreamingRoundTrip(stream, reqSize, respSize); err != nil {
|
|
grpclog.Fatalf("DoStreamingRoundTrip failed: %v", err)
|
|
}
|
|
}
|