1 // Copyright 2015 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package runtime 6 7 var hardDiv bool // TODO: set if a hardware divider is available 8 9 func checkgoarm() { 10 return // TODO(minux) 11 } 12 13 //go:nosplit 14 func cputicks() int64 { 15 // Currently cputicks() is used in blocking profiler and to seed runtimefastrand(). 16 // runtimenanotime() is a poor approximation of CPU ticks that is enough for the profiler. 17 // TODO: need more entropy to better seed fastrand. 18 return nanotime() 19 } 20
