mirror of
https://github.com/gogrlx/nats-server.git
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f805f23d6e
- Add Go 1.17 - Fix go fmt from Go 1.17 (build directives) - Download version of misspell and staticcheck instead of doing "go get" since current staticcheck would be broken without go.mod Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
// Copyright 2015-2018 The NATS Authors
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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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//go:build windows
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// +build windows
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package pse
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import (
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"fmt"
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"os/exec"
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"runtime"
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"strconv"
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"strings"
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"testing"
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)
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func checkValues(t *testing.T, pcpu, tPcpu float64, rss, tRss int64) {
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if pcpu != tPcpu {
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delta := int64(pcpu - tPcpu)
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if delta < 0 {
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delta = -delta
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}
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if delta > 30 { // 30%?
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t.Fatalf("CPUs did not match close enough: %f vs %f", pcpu, tPcpu)
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}
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}
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if rss != tRss {
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delta := rss - tRss
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if delta < 0 {
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delta = -delta
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}
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if delta > 1024*1024 { // 1MB
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t.Fatalf("RSSs did not match close enough: %d vs %d", rss, tRss)
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}
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}
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}
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func TestPSEmulationWin(t *testing.T) {
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var pcpu, tPcpu float64
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var rss, vss, tRss int64
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runtime.GC()
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if err := ProcUsage(&pcpu, &rss, &vss); err != nil {
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t.Fatalf("Error: %v", err)
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}
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runtime.GC()
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imageName := getProcessImageName()
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// query the counters using typeperf
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out, err := exec.Command("typeperf.exe",
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fmt.Sprintf("\\Process(%s)\\%% Processor Time", imageName),
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fmt.Sprintf("\\Process(%s)\\Working Set - Private", imageName),
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fmt.Sprintf("\\Process(%s)\\Virtual Bytes", imageName),
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"-sc", "1").Output()
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if err != nil {
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t.Fatal("unable to run command", err)
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}
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// parse out results - refer to comments in procUsage for detail
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results := strings.Split(string(out), "\r\n")
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values := strings.Split(results[2], ",")
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// parse pcpu
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tPcpu, err = strconv.ParseFloat(strings.Trim(values[1], "\""), 64)
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if err != nil {
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t.Fatalf("Unable to parse percent cpu: %s", values[1])
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}
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// parse private bytes (rss)
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fval, err := strconv.ParseFloat(strings.Trim(values[2], "\""), 64)
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if err != nil {
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t.Fatalf("Unable to parse private bytes: %s", values[2])
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}
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tRss = int64(fval)
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checkValues(t, pcpu, tPcpu, rss, tRss)
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runtime.GC()
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// Again to test caching
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if err = ProcUsage(&pcpu, &rss, &vss); err != nil {
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t.Fatalf("Error: %v", err)
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}
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checkValues(t, pcpu, tPcpu, rss, tRss)
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}
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