On Mon, 2015-08-31 at 15:45 -0400, Steven Rostedt wrote: > On Mon, 31 Aug 2015 14:24:25 -0500 > Scott Wood <[email protected]> wrote: > > > > Can you please look into why this change broke the tracing output > > > on x86-64 - if there is no obvious/easy fix for it, then I'm simply > > > going to revert it because having the tracing work correctly on > > > x86-64 is far more important to us than ppc64 or ia64.... > > > > It looks like the cause is that TP_printk() is not really printk() -- it > > actually passes the format to userspace which has its own, not 100% > > compatible implementation pretty_print() in tools/lib/traceevent/event- > > parse.c. %pf in that function behaves like %ps in the kernel, and %ps is > > absent. > > > > We can fix that with adding %ps to the traceevent library.
I wasn't sure if this would be considered a stable ABI issue, as it's not about the events themselves, but about the event mechanism. -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
