On 11/19/2010 6:39 AM, Andriy Gapon wrote: > > I am thinking about providing two APIs for this. > > 1. KPI > void cpu_get_a_m_perf(u_int cpu, uint64_t *aperf, uint64_t *mperf); > > 2. Userland > sysctl dev.cpu.N.aperf_mperf that returns two UQUAD values. > > But I am not sure where to put the code for both APIs. > Adding another device under cpu seems like an overkill.
These can be exported as a common interface from cpufreq (dev,cpu.X.perf_stats) and supplied by the child acpi_perf driver on each cpu. -- Nate _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
