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Code Issues Releases Activity

keep trace and profile files when go tool chain is not available (#52)

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This commit is contained in:
Rene Zbinden 2017-09-16 00:03:29 +02:00 committed by JBD
parent f6c95cf224
commit 6865b1eab5
1 changed files with 11 additions and 2 deletions
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13
cmd.go
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@ -65,11 +65,15 @@ func trace(addr net.TCPAddr) error {
if err != nil {
return err
}
defer os.Remove(tmpfile.Name())
if err := ioutil.WriteFile(tmpfile.Name(), out, 0); err != nil {
return err
}
fmt.Printf("Trace dump saved to: %s\n", tmpfile.Name())
// If go tool chain not found, stopping here and keep trace file.
if _, err := exec.LookPath("go"); err != nil {
return nil
}
defer os.Remove(tmpfile.Name())
cmd := exec.Command("go", "tool", "trace", tmpfile.Name())
cmd.Env = os.Environ()
cmd.Stdin = os.Stdin
@ -92,10 +96,15 @@ func pprof(addr net.TCPAddr, p byte) error {
if len(out) == 0 {
return errors.New("failed to read the profile")
}
defer os.Remove(tmpDumpFile.Name())
if err := ioutil.WriteFile(tmpDumpFile.Name(), out, 0); err != nil {
return err
}
fmt.Printf("Profile dump saved to: %s\n", tmpDumpFile.Name())
// If go tool chain not found, stopping here and keep dump file.
if _, err := exec.LookPath("go"); err != nil {
return nil
}
defer os.Remove(tmpDumpFile.Name())
}
// Download running binary
tmpBinFile, err := ioutil.TempFile("", "binary")