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Merge pull request #62860 from mikedanese/rawpprof

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Automatic merge from submit-queue (batch tested with PRs 63007, 62919, 62669, 62860). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

e2e: save raw profiles too

#62808

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-04-23 15:45:20 -07:00 committed by GitHub
commit 316b76f093
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1 changed files with 28 additions and 21 deletions
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49
test/e2e/framework/profile_gatherer.go
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@ -19,7 +19,6 @@ package framework
import ( import (
"bytes" "bytes"
"fmt" "fmt"
"io/ioutil"
"os" "os"
"os/exec" "os/exec"
"path" "path"
@ -69,36 +68,44 @@ func gatherProfileOfKind(profileBaseName, kind string) error {
if err != nil { if err != nil {
return fmt.Errorf("Failed to execute curl command on master through SSH: %v", err) return fmt.Errorf("Failed to execute curl command on master through SSH: %v", err)
} }
// Write the data to a temp file.
var tmpfile *os.File
tmpfile, err = ioutil.TempFile("", "apiserver-profile")
if err != nil {
return fmt.Errorf("Failed to create temp file for profile data: %v", err)
}
defer os.Remove(tmpfile.Name())
if _, err := tmpfile.Write([]byte(sshResult.Stdout)); err != nil {
return fmt.Errorf("Failed to write temp file with profile data: %v", err)
}
if err := tmpfile.Close(); err != nil {
return fmt.Errorf("Failed to close temp file: %v", err)
}
// Create a graph from the data and write it to a pdf file.
var cmd *exec.Cmd
var profilePrefix string var profilePrefix string
switch { switch {
// TODO: Support other profile kinds if needed (e.g inuse_space, alloc_objects, mutex, etc)
case kind == "heap": case kind == "heap":
cmd = exec.Command("go", "tool", "pprof", "-pdf", "-symbolize=none", "--alloc_space", tmpfile.Name())
profilePrefix = "ApiserverMemoryProfile_" profilePrefix = "ApiserverMemoryProfile_"
case strings.HasPrefix(kind, "profile"): case strings.HasPrefix(kind, "profile"):
cmd = exec.Command("go", "tool", "pprof", "-pdf", "-symbolize=none", tmpfile.Name())
profilePrefix = "ApiserverCPUProfile_" profilePrefix = "ApiserverCPUProfile_"
default: default:
return fmt.Errorf("Unknown profile kind provided: %s", kind) return fmt.Errorf("Unknown profile kind provided: %s", kind)
} }
// Write the data to a file.
rawprofilePath := path.Join(getProfilesDirectoryPath(), profilePrefix+profileBaseName+".pprof")
rawprofile, err := os.Create(rawprofilePath)
if err != nil {
return fmt.Errorf("Failed to create file for the profile graph: %v", err)
}
defer rawprofile.Close()
if _, err := rawprofile.Write([]byte(sshResult.Stdout)); err != nil {
return fmt.Errorf("Failed to write file with profile data: %v", err)
}
if err := rawprofile.Close(); err != nil {
return fmt.Errorf("Failed to close file: %v", err)
}
// Create a graph from the data and write it to a pdf file.
var cmd *exec.Cmd
switch {
// TODO: Support other profile kinds if needed (e.g inuse_space, alloc_objects, mutex, etc)
case kind == "heap":
cmd = exec.Command("go", "tool", "pprof", "-pdf", "-symbolize=none", "--alloc_space", rawprofile.Name())
case strings.HasPrefix(kind, "profile"):
cmd = exec.Command("go", "tool", "pprof", "-pdf", "-symbolize=none", rawprofile.Name())
default:
return fmt.Errorf("Unknown profile kind provided: %s", kind)
}
outfilePath := path.Join(getProfilesDirectoryPath(), profilePrefix+profileBaseName+".pdf") outfilePath := path.Join(getProfilesDirectoryPath(), profilePrefix+profileBaseName+".pdf")
var outfile *os.File outfile, err := os.Create(outfilePath)
outfile, err = os.Create(outfilePath)
if err != nil { if err != nil {
return fmt.Errorf("Failed to create file for the profile graph: %v", err) return fmt.Errorf("Failed to create file for the profile graph: %v", err)
} }