267 lines
7.1 KiB
Go
267 lines
7.1 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
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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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// +build integration,go1.7
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package profiler
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import (
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"bytes"
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"flag"
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"fmt"
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"os"
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"testing"
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"text/template"
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"time"
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"cloud.google.com/go/profiler/proftest"
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"golang.org/x/net/context"
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"golang.org/x/oauth2/google"
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compute "google.golang.org/api/compute/v1"
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)
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var (
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commit = flag.String("commit", "", "git commit to test")
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runID = time.Now().Unix()
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)
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const (
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cloudScope = "https://www.googleapis.com/auth/cloud-platform"
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benchFinishString = "busybench finished profiling"
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)
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const startupTemplate = `
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#! /bin/bash
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(
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# Shut down the VM in 5 minutes after this script exits
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# to stop accounting the VM for billing and cores quota.
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trap "sleep 300 && poweroff" EXIT
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# Fail on any error.
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set -eo pipefail
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# Display commands being run.
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set -x
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# Install git
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apt-get update >/dev/null
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apt-get -y -q install git >/dev/null
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# Install desired Go version
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mkdir -p /tmp/bin
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curl -sL -o /tmp/bin/gimme https://raw.githubusercontent.com/travis-ci/gimme/master/gimme
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chmod +x /tmp/bin/gimme
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export PATH=$PATH:/tmp/bin
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eval "$(gimme {{.GoVersion}})"
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# Set $GOPATH
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export GOPATH="$HOME/go"
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export GOCLOUD_HOME=$GOPATH/src/cloud.google.com/go
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mkdir -p $GOCLOUD_HOME
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# Install agent
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git clone https://code.googlesource.com/gocloud $GOCLOUD_HOME >/dev/null
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cd $GOCLOUD_HOME/profiler/busybench
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git reset --hard {{.Commit}}
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go get -v >/dev/null
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# Run benchmark with agent
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go run busybench.go --service="{{.Service}}" --mutex_profiling="{{.MutexProfiling}}"
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# Write output to serial port 2 with timestamp.
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) 2>&1 | while read line; do echo "$(date): ${line}"; done >/dev/ttyS1
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`
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const dockerfileFmt = `FROM golang
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RUN git clone https://code.googlesource.com/gocloud /go/src/cloud.google.com/go \
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&& cd /go/src/cloud.google.com/go/profiler/busybench && git reset --hard %s \
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&& go get -v && go install -v
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CMD ["busybench", "--service", "%s"]
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`
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type goGCETestCase struct {
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proftest.InstanceConfig
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name string
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goVersion string
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mutexProfiling bool
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wantProfileTypes []string
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}
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func (tc *goGCETestCase) initializeStartupScript(template *template.Template) error {
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var buf bytes.Buffer
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err := template.Execute(&buf,
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struct {
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Service string
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GoVersion string
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Commit string
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MutexProfiling bool
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}{
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Service: tc.name,
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GoVersion: tc.goVersion,
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Commit: *commit,
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MutexProfiling: tc.mutexProfiling,
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})
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if err != nil {
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return fmt.Errorf("failed to render startup script for %s: %v", tc.name, err)
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}
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tc.StartupScript = buf.String()
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return nil
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}
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func TestAgentIntegration(t *testing.T) {
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projectID := os.Getenv("GCLOUD_TESTS_GOLANG_PROJECT_ID")
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if projectID == "" {
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t.Fatalf("Getenv(GCLOUD_TESTS_GOLANG_PROJECT_ID) got empty string")
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}
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zone := os.Getenv("GCLOUD_TESTS_GOLANG_ZONE")
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if zone == "" {
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t.Fatalf("Getenv(GCLOUD_TESTS_GOLANG_ZONE) got empty string")
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}
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if *commit == "" {
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t.Fatal("commit flag is not set")
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}
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ctx := context.Background()
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client, err := google.DefaultClient(ctx, cloudScope)
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if err != nil {
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t.Fatalf("failed to get default client: %v", err)
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}
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computeService, err := compute.New(client)
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if err != nil {
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t.Fatalf("failed to initialize compute service: %v", err)
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}
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template, err := template.New("startupScript").Parse(startupTemplate)
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if err != nil {
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t.Fatalf("failed to parse startup script template: %v", err)
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}
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tr := proftest.TestRunner{
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Client: client,
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}
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gceTr := proftest.GCETestRunner{
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TestRunner: tr,
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ComputeService: computeService,
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}
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testcases := []goGCETestCase{
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{
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InstanceConfig: proftest.InstanceConfig{
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ProjectID: projectID,
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Zone: zone,
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Name: fmt.Sprintf("profiler-test-go110-%d", runID),
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MachineType: "n1-standard-1",
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},
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name: fmt.Sprintf("profiler-test-go110-%d-gce", runID),
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wantProfileTypes: []string{"CPU", "HEAP", "THREADS", "CONTENTION"},
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goVersion: "1.10",
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mutexProfiling: true,
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},
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{
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InstanceConfig: proftest.InstanceConfig{
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ProjectID: projectID,
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Zone: zone,
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Name: fmt.Sprintf("profiler-test-go19-%d", runID),
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MachineType: "n1-standard-1",
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},
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name: fmt.Sprintf("profiler-test-go19-%d-gce", runID),
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wantProfileTypes: []string{"CPU", "HEAP", "THREADS", "CONTENTION"},
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goVersion: "1.9",
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mutexProfiling: true,
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},
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{
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InstanceConfig: proftest.InstanceConfig{
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ProjectID: projectID,
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Zone: zone,
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Name: fmt.Sprintf("profiler-test-go18-%d", runID),
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MachineType: "n1-standard-1",
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},
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name: fmt.Sprintf("profiler-test-go18-%d-gce", runID),
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wantProfileTypes: []string{"CPU", "HEAP", "THREADS", "CONTENTION"},
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goVersion: "1.8",
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mutexProfiling: true,
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},
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{
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InstanceConfig: proftest.InstanceConfig{
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ProjectID: projectID,
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Zone: zone,
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Name: fmt.Sprintf("profiler-test-go17-%d", runID),
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MachineType: "n1-standard-1",
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},
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name: fmt.Sprintf("profiler-test-go17-%d-gce", runID),
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wantProfileTypes: []string{"CPU", "HEAP", "THREADS"},
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goVersion: "1.7",
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},
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{
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InstanceConfig: proftest.InstanceConfig{
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ProjectID: projectID,
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Zone: zone,
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Name: fmt.Sprintf("profiler-test-go16-%d", runID),
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MachineType: "n1-standard-1",
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},
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name: fmt.Sprintf("profiler-test-go16-%d-gce", runID),
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wantProfileTypes: []string{"CPU", "HEAP", "THREADS"},
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goVersion: "1.6",
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},
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}
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for _, tc := range testcases {
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tc := tc // capture range variable
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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if err := tc.initializeStartupScript(template); err != nil {
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t.Fatalf("failed to initialize startup script")
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}
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if err := gceTr.StartInstance(ctx, &tc.InstanceConfig); err != nil {
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t.Fatal(err)
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}
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defer func() {
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if gceTr.DeleteInstance(ctx, &tc.InstanceConfig); err != nil {
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t.Fatal(err)
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}
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}()
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timeoutCtx, cancel := context.WithTimeout(ctx, time.Minute*25)
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defer cancel()
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if err := gceTr.PollForSerialOutput(timeoutCtx, &tc.InstanceConfig, benchFinishString); err != nil {
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t.Fatal(err)
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}
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timeNow := time.Now()
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endTime := timeNow.Format(time.RFC3339)
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startTime := timeNow.Add(-1 * time.Hour).Format(time.RFC3339)
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for _, pType := range tc.wantProfileTypes {
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pr, err := tr.QueryProfiles(tc.ProjectID, tc.name, startTime, endTime, pType)
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if err != nil {
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t.Errorf("QueryProfiles(%s, %s, %s, %s, %s) got error: %v", tc.ProjectID, tc.name, startTime, endTime, pType, err)
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continue
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}
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if err := pr.HasFunction("busywork"); err != nil {
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t.Error(err)
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}
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}
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})
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}
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}
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