}
func (f *fetcher) Fetch(src string, duration, timeout time.Duration) (*profile.Profile, string, error) {
+ // Firstly, determine if the src is an existing file on the disk.
+ // If it is a file, let regular pprof open it.
+ // If it is not a file, when the src contains `:`
+ // (e.g. mem_2023-11-02_03:55:24 or abc:123/mem_2023-11-02_03:55:24),
+ // url.Parse will recognize it as a link and ultimately report an error,
+ // similar to `abc:123/mem_2023-11-02_03:55:24:
+ // Get "http://abc:123/mem_2023-11-02_03:55:24": dial tcp: lookup abc: no such host`
+ if _, openErr := os.Stat(src); openErr == nil {
+ return nil, "", nil
+ }
sourceURL, timeout := adjustURL(src, duration, timeout)
if sourceURL == "" {
// Could not recognize URL, let regular pprof attempt to fetch the profile (eg. from a file)