diff options
Diffstat (limited to 'src/runtime/trace.go')
| -rw-r--r-- | src/runtime/trace.go | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/runtime/trace.go b/src/runtime/trace.go index ac80ca2902..a4d50d77a0 100644 --- a/src/runtime/trace.go +++ b/src/runtime/trace.go @@ -453,12 +453,17 @@ func StopTrace() { } } + // Wait for startNanotime != endNanotime. On Windows the default interval between + // system clock ticks is typically between 1 and 15 milliseconds, which may not + // have passed since the trace started. Without nanotime moving forward, trace + // tooling has no way of identifying how much real time each cputicks time deltas + // represent. for { trace.endTime = traceClockNow() trace.endTicks = cputicks() trace.endNanotime = nanotime() - // Windows time can tick only every 15ms, wait for at least one tick. - if trace.endNanotime != trace.startNanotime { + + if trace.endNanotime != trace.startNanotime || faketime != 0 { break } osyield() |