On Tue, Apr 2, 2013 at 8:37 PM, Guru Prasad <gurupras@xxxxxxxxxxx> wrote: > I've been working with kernel versions 2.6.35.8 and 3.3.0 particularly > with the ARM architecture and I'm quite confused with the units of > transition_latency.. > > mach-integrator/cpu.c: policy->cpuinfo.transition_latency = > 1000000; /* 1 ms, assumed */ > mach-pxa/cpufreq-pxa2xx.c: policy->cpuinfo.transition_latency = > 1000; /* FIXME: 1 ms, assumed */ > mach-pxa/cpufreq-pxa3xx.c: policy->cpuinfo.transition_latency = > 1000; /* FIXME: 1 ms, assumed */ > > These seem to be contradicting each other.. > The first line seems to suggest that the base unit is nanoseconds.. > The second and third lines suggest that the unit is microseconds.. > > Could someone please shed some light on this? include/linux/cpufreq.h * Maximum transition latency is in nanoseconds -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
