83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
// Copyright 2020 The gVisor 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 tools
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"regexp"
|
|
"strconv"
|
|
"testing"
|
|
)
|
|
|
|
// Hey is for the client application 'hey'.
|
|
type Hey struct {
|
|
Requests int // Note: requests cannot be less than concurrency.
|
|
Concurrency int
|
|
Doc string
|
|
}
|
|
|
|
// MakeCmd returns a 'hey' command.
|
|
func (h *Hey) MakeCmd(ip net.IP, port int) []string {
|
|
c := h.Concurrency
|
|
if c > h.Requests {
|
|
c = h.Requests
|
|
}
|
|
return []string{
|
|
"hey",
|
|
"-n", fmt.Sprintf("%d", h.Requests),
|
|
"-c", fmt.Sprintf("%d", c),
|
|
fmt.Sprintf("http://%s:%d/%s", ip.String(), port, h.Doc),
|
|
}
|
|
}
|
|
|
|
// Report parses output from 'hey' and reports metrics.
|
|
func (h *Hey) Report(b *testing.B, output string) {
|
|
b.Helper()
|
|
requests, err := h.parseRequestsPerSecond(output)
|
|
if err != nil {
|
|
b.Fatalf("failed to parse requests per second: %v", err)
|
|
}
|
|
ReportCustomMetric(b, requests, "requests_per_second" /*metric name*/, "QPS" /*unit*/)
|
|
|
|
ave, err := h.parseAverageLatency(output)
|
|
if err != nil {
|
|
b.Fatalf("failed to parse average latency: %v", err)
|
|
}
|
|
ReportCustomMetric(b, ave, "average_latency" /*metric name*/, "s" /*unit*/)
|
|
}
|
|
|
|
var heyReqPerSecondRE = regexp.MustCompile(`Requests/sec:\s*(\d+\.?\d+?)\s+`)
|
|
|
|
// parseRequestsPerSecond finds requests per second from 'hey' output.
|
|
func (h *Hey) parseRequestsPerSecond(data string) (float64, error) {
|
|
match := heyReqPerSecondRE.FindStringSubmatch(data)
|
|
if len(match) < 2 {
|
|
return 0, fmt.Errorf("failed get bandwidth: %s", data)
|
|
}
|
|
return strconv.ParseFloat(match[1], 64)
|
|
}
|
|
|
|
var heyAverageLatencyRE = regexp.MustCompile(`Average:\s*(\d+\.?\d+?)\s+secs`)
|
|
|
|
// parseHeyAverageLatency finds Average Latency in seconds form 'hey' output.
|
|
func (h *Hey) parseAverageLatency(data string) (float64, error) {
|
|
match := heyAverageLatencyRE.FindStringSubmatch(data)
|
|
if len(match) < 2 {
|
|
return 0, fmt.Errorf("failed get average latency match%d : %s", len(match), data)
|
|
}
|
|
return strconv.ParseFloat(match[1], 64)
|
|
}
|