On Wed, Nov 08, 2017 at 02:19:07PM -0500, Steven Rostedt wrote: > On Wed, 8 Nov 2017 20:07:27 +0100 > Peter Zijlstra <pet...@infradead.org> wrote: > > > Depends on how early you need things; ideally you'd be able to use the > > Well, he starts tracing at the entry of start_kernel(), would this > handle that?
You'll have to run something first to initialize clocks in any case. He's calling native_calibrate_cpu() (which of course if completely broken for virt). So you might as well setup the sched_clock() infra properly.
