On Wed, 2016-02-10 at 11:53 +0000, Stefano Stabellini wrote:
> On Wed, 10 Feb 2016, Ian Campbell wrote:
> > Adding some CCs.
> >
> > On Fri, 2016-02-05 at 11:52 +0000, Anthony PERARD wrote:
> > > On Fri, Feb 05, 2016 at 06:30:25AM +0000, osstest service owner
> > > wrote:
> > > > flight 80469 qemu-mainline real [real]
> > > > http://logs.test-lab.xenproject.org/osstest/logs/80469/
> > > >
> > > > Regressions :-(
> > > >
> > > > Tests which did not succeed and are blocking,
> > > > including tests which could not be run:
> > > > build-i386 5 xen-build fail
> > > > REGR. vs. 79947
> > > > build-amd64 5 xen-build fail
> > > > REGR. vs. 79947
> > > > build-i386-xsm 5 xen-build fail
> > > > REGR. vs. 79947
> > > > build-amd64-xsm 5 xen-build fail
> > > > REGR. vs. 79947
> > > > build-armhf 5 xen-build fail
> > > > REGR. vs. 79947
> > > > build-armhf-xsm 5 xen-build fail
> > > > REGR. vs. 79947
> > >
> > > ./configure of QEMU fail with:
> > > "ERROR: invalid trace backends
> > > Please choose supported trace backends."
> > >
> > > They have remove the "stderr" tracebackend, and replaced it by "log".
> > > Which
> > > also became the default. I have not look at what to do yet, but the
> > > configure
> > > option "--enable-trace-backend=stderr" as became invalid.
> >
> > Paul added this IIRC.
> >
> > If it isn't immediately obvious what an appropriate replacement is
> > (which
> > remember needs to work with at least qemu-xen-unstable as well as qemu-
> > upstream) then I think we should just remove this option from
> > xen.git/tools/Makefile for the time being.
> >
> > FWIW the bisector has fingered:
> >
> > commit ed7f5f1d8db06fc31352a5ef4f54985e630c575a
> > Author: Paolo Bonzini <pbonz...@redhat.com>
> > Date: Thu Jan 7 16:55:30 2016 +0300
> >
> > trace: convert stderr backend to log
> >
> > [Also update .travis.yml --enable-trace-backends=stderr
> > --Stefan]
> >
> > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> > Signed-off-by: Denis V. Lunev <d...@openvz.org>
> > Acked-by: Christian Borntraeger <borntrae...@de.ibm.com>
> > Message-id: 1452174932-28657-10-git-send-email-...@openvz.org
> > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
> >
> > It looks like s/stderr/log/g would work with qemu-mainline, but we'd
> > need
> > that backported to qemu-xen-unstable too.
> >
> > Or given:
> > git show --stat -M ed7f5f1d8db06fc31352a5ef4f54985e630c575a
> > [...]
> > scripts/tracetool/backend/{stderr.py => log.py} | 9 +++++----
> >
> > Maybe xen.git/tools/Makefile could probe for the presence of these
> > files?
>
> We can have QEMU list the trace backends available with:
>
> ./scripts/tracetool.py --list-backends
>
> that works on all qemu-xen versions >= 4.3.
>
> Same output:
Sample?
> nop, ust, stderr, dtrace, simple
Here (QEMU master) it is:
nop, dtrace, ftrace, log, simple, ust
Who is going to produce a patch to use this?
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
