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Boosted RT tasks can be deboosted quickly, this makes boost usless for RT tasks and causes lots of glitching. Use timers to prevent de-boost too soon and wait for long enough such that next enqueue happens after a threshold. While this can be solved in the governor, there are following advantages: - The approach used is governor-independent - Reduces boost group lock contention for frequently sleepers/wakers - Works with schedfreq without any other schedfreq hacks. Bug: 30210506 Change-Id: I41788b235586988be446505deb7c0529758a9898 Signed-off-by: Joel Fernandes <joelaf@google.com> |
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