nate at root.org
Fri Nov 19 19:08:51 UTC 2010
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
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