| // Copyright 2025 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. | |
| //go:build !windows | |
| package time | |
| import "time" | |
| var start = time.Now() | |
| // HighPrecisionNow returns a high-resolution timestamp suitable for measuring | |
| // small time differences. It uses the time package's monotonic clock. | |
| // | |
| // Its unit, epoch, and resolution are unspecified, and may change, but can be | |
| // assumed to be sufficiently precise to measure time differences on the order | |
| // of tens to hundreds of nanoseconds. | |
| func HighPrecisionNow() int64 { | |
| return int64(time.Since(start)) | |
| } | |