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intel_idle: fine-tune IVT residency targets
authorLen Brown <len.brown@intel.com>
Fri, 4 Apr 2014 05:21:07 +0000 (01:21 -0400)
committerLen Brown <len.brown@intel.com>
Fri, 4 Apr 2014 16:55:29 +0000 (12:55 -0400)
commit0138d8f0755b5b28d0acdb0a758bcfcaf441fc58
treee51f4df361e41e656d9d6df0ea708f81cfcfce5ctree | snapshot (tar.gz zip)
parentacead1b0fac5b10d0ae3f1cc5f7820b9f9f924f5commit | diff
intel_idle: fine-tune IVT residency targets

Ivy Town processors have slightly different properties
than Ivy Bridge processors, particuarly as socket count grows.
Here we add dedicated tables covering 1-2 socket,
3-4 socket, and > 4 socket IVT configurations.

This reduces the frequency of deep transitions on those systems,
which can impact throughput.

Signed-off-by: Len Brown <len.brown@intel.com>
drivers/idle/intel_idle.c diff | blob | blame | history