Hi all, This patchset changes slightly the calculation of target frequency to eliminate the deadband effect (explained in patch 2 changelog) that it seems to slow down the CPU in low and medium loads.
Patch 1 introduces a new relation (RELATION_C) for the next frequency selection, which chooses the closest frequency to target. Patch 2 is the actual change to ondemand governor. You may find graphs with the 'deadband' effect and benchmark results: https://docs.google.com/spreadsheets/d/16kDBh5lyc6YvBnoS1hUa1t2O38z0xrWvaEj5XtJ8auw/edit#gid=2072493052 Thanks Stratos Karafotis (2): cpufreq: Introduce new relation for freq selection cpufreq: ondemand: Eliminate the deadband effect in low loads drivers/cpufreq/cpufreq_ondemand.c | 11 +++++++---- drivers/cpufreq/freq_table.c | 12 +++++++++++- include/linux/cpufreq.h | 1 + 3 files changed, 19 insertions(+), 5 deletions(-) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
