Re: [patch] powerpc: estimate G5 cpufreq transition latency

2009-02-22 Thread Benjamin Herrenschmidt
On Thu, 2009-02-19 at 18:07 +0100, Nick Piggin wrote: > Setting G5's cpu frequency transition latency to CPUFREQ_ETERNAL stops > ondemand governor from working. I measured the latency using sched_clock > and haven't seen much higher than 11000ns, so I set this to 12000ns for > my configuration. Pos

[patch] powerpc: estimate G5 cpufreq transition latency

2009-02-19 Thread Nick Piggin
Setting G5's cpu frequency transition latency to CPUFREQ_ETERNAL stops ondemand governor from working. I measured the latency using sched_clock and haven't seen much higher than 11000ns, so I set this to 12000ns for my configuration. Possibly other configurations will be different? Ideally the gene