| // 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 |
| |
| var hardDiv bool // TODO: set if a hardware divider is available |
| |
| func checkgoarm() { |
| return // TODO(minux) |
| } |
| |
| //go:nosplit |
| func cputicks() int64 { |
| // Currently cputicks() is used in blocking profiler and to seed runtime·fastrand(). |
| // runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler. |
| // TODO: need more entropy to better seed fastrand. |
| return nanotime() |
| } |
