54bd44e573
Currently the GC CPU limiter only tracks idle GC work time. However, in very undersubscribed situations, it's possible that all this extra idle time prevents the enabling of the limiter, since it all gets account for as mutator time. Fix this by tracking all idle time via pidleget and pidleput. To support this, pidleget and pidleput also accept and return "now" parameters like the timer code. While we're here, let's clean up some incorrect assumptions that some of the scheduling code makes about "now." Fixes #52890. Change-Id: I4a97893d2e5ad1e8c821f8773c2a1d449267c951 Reviewed-on: https://go-review.googlesource.com/c/go/+/410122 Reviewed-by: Michael Pratt <mpratt@google.com> Run-TryBot: Michael Knyszek <mknyszek@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> |
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