| // Copyright 2022 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package pprof | |
| import "os" | |
| // peBuildID returns a best effort unique ID for the named executable. | |
| // | |
| // It would be wasteful to calculate the hash of the whole file, | |
| // instead use the binary name and the last modified time for the buildid. | |
| func peBuildID(file string) string { | |
| s, err := os.Stat(file) | |
| if err != nil { | |
| return file | |
| } | |
| return file + s.ModTime().String() | |
| } | |