On 25-07-19, 08:20, Doug Smythies wrote: > I tried the patch ("patch2"). It did not fix the issue. > > To summarize, all kernel 5.2 based, all intel_cpufreq driver and schedutil governor: > > Test: Does a busy system respond to maximum CPU clock frequency reduction? > > stock, unaltered: No. > revert ecd2884291261e3fddbc7651ee11a20d596bb514: Yes > viresh patch: No. > fast_switch edit: No. You tried this fast-switch thing with my patch applied, right ? > viresh patch2: No. > > References (and procedures used): > https://marc.info/?l=linux-pm&m=156346478429147&w=2 > https://marc.info/?l=linux-kernel&m=156343125319461&w=2 > > ... Doug > -- viresh