On Thu, Dec 26, 2013 at 10:24:03AM -0500, David Ahern wrote: > On 12/26/13, 10:14 AM, Frederic Weisbecker wrote: > >>I was carrying that patch while working on perf-kvm-stat-live last > >>Fall. It does not solve the problem for live commands, so ended up > >>dropping it and going with local (to the command) hacks. I still > >>think for live commands getting a perf_clock timestamp at the start > >>of a round and using that as the flush time will work best. > > > >Ok, but how would you fetch this perf clock timestamp, with an explicit read? > > One option is exporting perf_clock to userspace. > > Preferably a built-in option, https://lkml.org/lkml/2013/12/10/781, > but I can go the module route if I have to: > https://github.com/dsahern/linux/blob/perf-full-monty/README.ahern
I see, that's one of the very verbose threads I've seen lately ;) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/