On Wednesday, June 28, 2017 09:44:55 AM Viresh Kumar wrote: > On 27-06-17, 18:08, Rafael J. Wysocki wrote: > > On Tue, Jun 27, 2017 at 6:20 AM, Viresh Kumar <viresh.ku...@linaro.org> > > wrote: > > > @Rafael: Will it be fine to lower down the value of LATENCY_MULTIPLIER? > > > > We can do that, but then I think we need to compensate for the change > > in the old governors code or there may be surprises. > > Why shouldn't we change the value of LATENCY_MULTIPLIER for old > governors as well? They use the same calculations and the sampling > rate there is also this bad (like rate_limit_us).
On some systems. On other systems it isn't. > If we aren't going to change that for old governors, then we can > create a local version of LATENCY_MULTIPLIER for schedutil I believe. OK, so at least for intel_pstate and acpi-cpufreq we want a 10 ms default which is what we have currently. If you want to rework all that, make sure you preserve that. Thanks, Rafael