[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] Fix cpufreq HW-ALL coordination handle
Fix cpufreq HW-ALL coordination handle Currently cpufreq HW-ALL coordination is handled same way as SW-ALL. However, SW-ALL will bring more IPIs which is bad for cpuidle. This patch implement HW-ALL coordination handled in different way from SW-ALL, for the sake of performance and reduce IPIs. We also suspend/resume HW-ALL dbs timer for idle. Signed-off-by: Yu, Ke <ke.yu@xxxxxxxxx> Liu, Jinsong <jinsong.liu@xxxxxxxxx> Tian, Kevin <kevin.tian@xxxxxxxxx> Attachment:
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