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/ -- viresh
