Messages in this thread | | | Date | Wed, 23 Jul 2014 12:01:13 +0300 | From | Stratos Karafotis <> | Subject | Re: [PATCH 0/2] cpufreq: ondemand: Eliminate the deadband effect |
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On 07/23/2014 02:50 AM, Rafael J. Wysocki wrote: > On Monday, June 30, 2014 07:59:32 PM Stratos Karafotis wrote: >> 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(-) > > OK, I've queued up these two patches for 3.17. We'll see if anyone sees > any problems related to them. Thanks! >
Thank you!
Stratos
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