On Tuesday, March 29, 2016 07:32:27 PM Jörg Otte wrote: > 2016-03-29 19:24 GMT+02:00 Jörg Otte <jrg.o...@gmail.com>: > > in v4.5 and earlier intel-pstate downscaled idle processors (load > > 0.1-0.2%) to minumum frequency, in my case 800MHz. > > > > Now in v4.6-rc1 the characteristic has dramatically changed. If in > > idle the processor frequency is more or less a few MHz around 2500Mhz. > > This is the maximum non turbo frequency. > > > > No difference between powersafe or performance governor. > > > > I currently use acpi_cpufreq which works as usual. > > > > Processor: > > Intel(R) Core(TM) i5-4200M CPU @ 2.50GHz (family: 0x6, model: 0x3c, > > stepping: 0x3) > > > > Last known good kernel is: 4.5.0-01127-g9256d5a > > First known bad kernel is: 4.5.0-02535-g09fd671 > > > > There is > > commit 277edba Merge tag 'pm+acpi-4.6-rc1-1' of > > git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm > > in between, which brought a few changes in intel_pstate.
Can you please check commit a4675fbc4a7a (cpufreq: intel_pstate: Replace timers with utilization update callbacks)? Thanks, Rafael
