On Sun, Oct 23, 2011 at 12:48:03PM +0100, Mark Brown wrote: > On Fri, Oct 21, 2011 at 02:31:57PM -0700, Steven Finney (Palm GBU) wrote: > > > 2) The ability to keep a diagnostic log of all the frequency changes so, > > e.g., it's possible to determine if bad behavior (e.g. dropouts) is > > correlated with a low frequency. > > This is a really good and useful idea but it seems to me like it would > be better done with the standard trace subsystem - that provides good > facilities for enabling and disabling the trace as needed and would make > it easy to tie in with the other subsystems that are in play. Indeed. This sounds like the direction to go towards. Having played a little with Steven Rostedt's kernelshark tool, I could see interesting things coming from being able to correlate transitions with other system events graphically. Dave -- 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