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runtime: don't assume that 0.25 * 100 is representable as int

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For the gofrontend, it's not; there are some trailing one bits,
which is permitted by the spec.

Change-Id: I58f5a5347068bb488306ec8e73da7c59376f1ae1
Reviewed-on: https://go-review.googlesource.com/c/go/+/383635
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Ian Lance Taylor 2022-02-06 19:33:03 -08:00
parent fa04846404
commit 8f374aa27f
1 changed files with 2 additions and 1 deletions
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3
src/runtime/mgcpacer.go
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@ -677,7 +677,8 @@ func (c *gcControllerState) endCycle(now int64, procs int, userForced bool) floa
if debug.gcpacertrace > 0 {
printlock()
print("pacer: ", int(utilization*100), "% CPU (", int(gcGoalUtilization*100), " exp.) for ")
goal := gcGoalUtilization * 100
print("pacer: ", int(utilization*100), "% CPU (", int(goal), " exp.) for ")
print(c.heapScanWork.Load(), "+", c.stackScanWork.Load(), "+", c.globalsScanWork.Load(), " B work (", c.lastHeapScan+c.stackScan+c.globalsScan, " B exp.) ")
print("in ", c.trigger, " B -> ", c.heapLive, " B (∆goal ", int64(c.heapLive)-int64(c.heapGoal), ", cons/mark ", oldConsMark, ")")
println()