On Fri, Feb 27, 2015 at 09:54:34AM -0800, Andi Kleen wrote: > > > perf record doesn't show where you're currently blocked. > > > > Of course it does; look at perf inject -s. > > Trace points don't support the LBR stack.
Yes, indeed. But would it not make much more sense to squirrel the LBR state into sched:sched_switch and teach that inject -s thing to dtrt, than to make a proc file that's available on all archs but will only work on 1-2 x86 uarchs and only if you're also running the right magic perf record at the same time? -- 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/
