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// Copyright 2015 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 runtime
const (
_AT_NULL = 0
_AT_RANDOM = 25 // introduced in 2.6.29
)
var randomNumber uint32
//go:nosplit
func cputicks() int64 {
// Currently cputicks() is used in blocking profiler and to seed fastrand1().
// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
// randomNumber provides better seeding of fastrand1.
return nanotime() + int64(randomNumber)
}
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