tree f2352614a155b0cb9b4d9d25d3c5cf08abcba0a2
parent 80ff35cd3ff451e8f200413ddf27816058630c1f
author Alexey Kardashevskiy <aik@ozlabs.ru> 1400660161 +1000
committer Stefan Hajnoczi <stefanha@redhat.com> 1402321420 +0200

trace: Replace error with warning if event is not defined

At the moment QEMU exits if trace point is not defined which makes
a developer life harder if he has to switch between branches with
different traces implemented.

This replaces error+exit wit WARNING if the tracepoint does not exist or
not traceable.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>