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runtime: make gcEffectiveGrowthRatio a method on gcControllerState
For #44167. Change-Id: Ie3cf8d2960c843a782ec85426fa73c279adaed64 Reviewed-on: https://go-review.googlesource.com/c/go/+/306605 Trust: Michael Knyszek <mknyszek@google.com> Run-TryBot: Michael Knyszek <mknyszek@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Michael Pratt <mpratt@google.com>
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@ -471,7 +471,7 @@ func (c *gcControllerState) endCycle(userForced bool) float64 {
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// growth if we had the desired CPU utilization). The
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// difference between this estimate and the GOGC-based goal
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// heap growth is the error.
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goalGrowthRatio := gcEffectiveGrowthRatio()
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goalGrowthRatio := c.effectiveGrowthRatio()
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actualGrowthRatio := float64(c.heapLive)/float64(c.heapMarked) - 1
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assistDuration := nanotime() - c.markStartTime
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@ -779,7 +779,7 @@ func (c *gcControllerState) commit(triggerRatio float64) {
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gcPaceScavenger()
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}
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// gcEffectiveGrowthRatio returns the current effective heap growth
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// effectiveGrowthRatio returns the current effective heap growth
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// ratio (GOGC/100) based on heapMarked from the previous GC and
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// heapGoal for the current GC.
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//
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@ -788,10 +788,10 @@ func (c *gcControllerState) commit(triggerRatio float64) {
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// heapMinimum, this can be higher than gcPercent/100.
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//
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// mheap_.lock must be held or the world must be stopped.
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func gcEffectiveGrowthRatio() float64 {
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func (c *gcControllerState) effectiveGrowthRatio() float64 {
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assertWorldStoppedOrLockHeld(&mheap_.lock)
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egogc := float64(atomic.Load64(&gcController.heapGoal)-gcController.heapMarked) / float64(gcController.heapMarked)
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egogc := float64(atomic.Load64(&c.heapGoal)-c.heapMarked) / float64(c.heapMarked)
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if egogc < 0 {
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// Shouldn't happen, but just in case.
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egogc = 0
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