On Wed, 2022-05-04 at 13:52 +0530, Viresh Kumar wrote: > On 03-05-22, 19:33, Rex-BC Chen wrote: > > Our observation tells us cpufreq_online is setting only once at > > boot > > for one cpu cluster. > > But we can see the problem repeatly occurs once cpufreq_get is > > invoked. > > > > e.g. > > [ 71.154560] cpufreq: Warning: CPU frequency out of sync: cpufreq > > and > > timing core thinks of 500000, is 499999 kHz > > [ 71.155880] cpufreq: notification 0 of frequency transition to > > 499999 > > kHz > > [ 71.156777] cpufreq: notification 1 of frequency transition to > > 499999 > > kHz > > [ 71.187241] cpufreq: target for CPU 0: 500000 kHz, relation 0, > > requested 500000 kHz > > [ 71.188246] cpufreq: target_freq/policy->cur: 500000/499999 kHz > > Lemme know if this helps: > > https://lore.kernel.org/lkml/39e39a7d30c8ee6af81fb64670a330abeb87402e.1651652493.git.viresh.kumar@xxxxxxxxxx/ > Hello Viresh, Thanks a lot! It helps to fix this issue. And I will drop this patch in the next version. BRs, Rex