Re: [PATCH 0/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes

2016-08-19 Thread Andreas Herrmann
On Fri, Aug 19, 2016 at 02:18:14PM +0200, Andreas Herrmann wrote: > Hello, > > I've observed performance degradation with different workloads on HP > ProLiant systems that use pcc-cpufreq driver between older and more > recent kernels. Bisection showed that commit 6393d6a102 (cpufreq: > ondemand:

Re: [PATCH 0/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes

2016-08-19 Thread Andreas Herrmann
On Fri, Aug 19, 2016 at 02:18:14PM +0200, Andreas Herrmann wrote: > Hello, > > I've observed performance degradation with different workloads on HP > ProLiant systems that use pcc-cpufreq driver between older and more > recent kernels. Bisection showed that commit 6393d6a102 (cpufreq: > ondemand:

[PATCH 0/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes

2016-08-19 Thread Andreas Herrmann
Hello, I've observed performance degradation with different workloads on HP ProLiant systems that use pcc-cpufreq driver between older and more recent kernels. Bisection showed that commit 6393d6a102 (cpufreq: ondemand: Eliminate the deadband effect) caused a significant performance drop. This

[PATCH 0/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes

2016-08-19 Thread Andreas Herrmann
Hello, I've observed performance degradation with different workloads on HP ProLiant systems that use pcc-cpufreq driver between older and more recent kernels. Bisection showed that commit 6393d6a102 (cpufreq: ondemand: Eliminate the deadband effect) caused a significant performance drop. This