On 06/21/2013 12:42 AM, Viresh Kumar wrote: > On 20 June 2013 16:48, Chanwoo Choi <cw00.c...@samsung.com> wrote: >> But, >> To show old frequency/new frequency on load_table debugfs file, >> governor function(dbs_check_cpu()) pass calculated CPUs load to specific >> governor(e.g., ondemand) >> as below function flow. >> >> dbs_check_cpu() (in cpufreq.c) >> -> od_check_cpu() (in cpufreq_ondemand.c) >> -> __cpufreq_driver_target() (in cpufreq.c) >> -> cpufreq_driver->target(policy) >> >> Also, The __cpufreq_driver_target() is external function which can be called >> on other file >> so I must consider exception case. >> >> If send CPUFREQ_LOADCHECK noti after changed cpu frequency, >> I think it is complicated and has quite a little difficulty. >> >> What is your opinion? > > What you can do is: > - create another routine: cpufreq_governor_driver_target() > - replace all __cpufreq_driver_target() from ondemand/conservative governors > with this one > - In cpufreq_governor_driver_target() call __cpufreq_driver_target() and > take a note of new freq. > > Maybe you don't need to check the actual freq that is set (even > that would be simple to implement), but what is requested. >
OK, I understand and will try to implement it. Thanks. @Rafael? If possible, I want to know the your opinion about this. Best Regards, Chanwoo Choi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
