Re: [Qemu-devel] [PATCHv1 0/4] Timers: add timer debugging through -timer-debug-log

[Alex Bligh]

On 26 Oct 2013, at 00:00, Paolo Bonzini wrote:

> his is a bug in the distro, if it is Linux.  There is no reason not to
> enable the stap trace format when running on Linux (Fedora does for
> other packages than QEMU, too---most notably glib and glibc).
> 
> If it is useful, adding debugging information to timer_new_ns (please
> make file and line two separate arguments, though) can definitely be
> done unconditionally and added to the traces.  I think adding a
> tracepoint in timerlist_run_timers would provide very similar
> information to that in your file.

I read the tracepoint information. Doesn't that require the end
user to have far more skills (and far more stuff installed) to
get things like "average expiry delta"? Especially as that's
not something we'd normally calculate as we don't get the clock
value when setting a timer normally.

-- 
Alex Bligh