On Tue, Nov 13, 2012 at 6:00 PM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > On Wed, 2012-11-14 at 10:36 +0900, Yoshihiro YUNOMAE wrote: > >> To merge the data like previous pattern, we apply this patch set. Then, we can >> get TSC offset of the guest as follows: >> >> $ dmesg | grep kvm >> [ 57.717180] kvm: (2687) write TSC offset 18446743360465545001, now clock ## >> ^^^^ ^^^^^^^^^^^^^^^^^^^^ | >> PID TSC offset | >> HOST TSC value --+ >> > > Using printk to export something like this is IMO a nasty hack. > > Can't we create a /sys or /proc file to export the same thing? Since the value changes over the course of the trace, and seems to be part of the context of the trace, I think I'd include it as a tracepoint. > > -- Steve > > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html