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| author | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
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| committer | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
| commit | e252b51ccde010cbd2a146485d8045103cd99533 (patch) | |
| tree | e060f101cdc32bf5e520de8e5275db9d4236b74c /libgo/go/runtime/histogram.go | |
| parent | f10c7c4596dda99d2ee872c995ae4aeda65adbdf (diff) | |
| parent | 104c05c5284b7822d770ee51a7d91946c7e56d50 (diff) | |
| download | gcc-e252b51ccde010cbd2a146485d8045103cd99533.zip gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.gz gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.bz2 | |
Merge from trunk revision 104c05c5284b7822d770ee51a7d91946c7e56d50.
Diffstat (limited to 'libgo/go/runtime/histogram.go')
| -rw-r--r-- | libgo/go/runtime/histogram.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libgo/go/runtime/histogram.go b/libgo/go/runtime/histogram.go index da4910d..0cccbcc 100644 --- a/libgo/go/runtime/histogram.go +++ b/libgo/go/runtime/histogram.go @@ -81,6 +81,10 @@ type timeHistogram struct { } // record adds the given duration to the distribution. +// +// Disallow preemptions and stack growths because this function +// may run in sensitive locations. +//go:nosplit func (h *timeHistogram) record(duration int64) { if duration < 0 { atomic.Xadd64(&h.underflow, 1) |