Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Ian Campbell
On Wed, 2016-02-10 at 15:42 +, Stefano Stabellini wrote: > On Wed, 10 Feb 2016, Ian Campbell wrote: > > On Wed, 2016-02-10 at 14:51 +, Stefano Stabellini wrote: > > > On Wed, 10 Feb 2016, Ian Campbell wrote: > > > > On Wed, 2016-02-10 at 14:27 +, Ian Campbell wrote: > > > > > On Wed, 20

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Stefano Stabellini
On Wed, 10 Feb 2016, Ian Campbell wrote: > On Wed, 2016-02-10 at 14:51 +, Stefano Stabellini wrote: > > On Wed, 10 Feb 2016, Ian Campbell wrote: > > > On Wed, 2016-02-10 at 14:27 +, Ian Campbell wrote: > > > > On Wed, 2016-02-10 at 14:18 +, Anthony PERARD wrote: > > > > > On Wed, Feb 10

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Ian Campbell
On Wed, 2016-02-10 at 14:51 +, Stefano Stabellini wrote: > On Wed, 10 Feb 2016, Ian Campbell wrote: > > On Wed, 2016-02-10 at 14:27 +, Ian Campbell wrote: > > > On Wed, 2016-02-10 at 14:18 +, Anthony PERARD wrote: > > > > On Wed, Feb 10, 2016 at 02:14:13PM +, Stefano Stabellini wrot

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Ian Campbell
On Wed, 2016-02-10 at 14:44 +, Stefano Stabellini wrote: > > > > But, if you use '--check-backend --backend' (no 's') instead, the > > > > check > > > > would works with qemu-xen >= 4.3 > > > > BTW, I think those correspond to > > > > qemu-mainline == QEMU 2.5.50 > > qemu-xen-unstable == QEMU

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Stefano Stabellini
On Wed, 10 Feb 2016, Ian Campbell wrote: > On Wed, 2016-02-10 at 14:27 +, Ian Campbell wrote: > > On Wed, 2016-02-10 at 14:18 +, Anthony PERARD wrote: > > > On Wed, Feb 10, 2016 at 02:14:13PM +, Stefano Stabellini wrote: > > > > On Wed, 10 Feb 2016, Ian Campbell wrote: > > > > > diff --

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Stefano Stabellini
On Wed, 10 Feb 2016, Ian Campbell wrote: > On Wed, 2016-02-10 at 14:27 +, Ian Campbell wrote: > > On Wed, 2016-02-10 at 14:18 +, Anthony PERARD wrote: > > > On Wed, Feb 10, 2016 at 02:14:13PM +, Stefano Stabellini wrote: > > > > On Wed, 10 Feb 2016, Ian Campbell wrote: > > > > > diff --

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Ian Campbell
On Wed, 2016-02-10 at 14:27 +, Ian Campbell wrote: > On Wed, 2016-02-10 at 14:18 +, Anthony PERARD wrote: > > On Wed, Feb 10, 2016 at 02:14:13PM +, Stefano Stabellini wrote: > > > On Wed, 10 Feb 2016, Ian Campbell wrote: > > > > diff --git a/tools/Makefile b/tools/Makefile > > > > index

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Stefano Stabellini
On Wed, 10 Feb 2016, Ian Campbell wrote: > On Wed, 2016-02-10 at 14:18 +, Anthony PERARD wrote: > > On Wed, Feb 10, 2016 at 02:14:13PM +, Stefano Stabellini wrote: > > > On Wed, 10 Feb 2016, Ian Campbell wrote: > > > > diff --git a/tools/Makefile b/tools/Makefile > > > > index 5688a7c..76a

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Ian Campbell
On Wed, 2016-02-10 at 14:27 +, Ian Campbell wrote: > On Wed, 2016-02-10 at 14:18 +, Anthony PERARD wrote: > > On Wed, Feb 10, 2016 at 02:14:13PM +, Stefano Stabellini wrote: > > > On Wed, 10 Feb 2016, Ian Campbell wrote: > > > > diff --git a/tools/Makefile b/tools/Makefile > > > > index

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Ian Campbell
On Wed, 2016-02-10 at 14:18 +, Anthony PERARD wrote: > On Wed, Feb 10, 2016 at 02:14:13PM +, Stefano Stabellini wrote: > > On Wed, 10 Feb 2016, Ian Campbell wrote: > > > diff --git a/tools/Makefile b/tools/Makefile > > > index 5688a7c..76a2235 100644 > > > --- a/tools/Makefile > > > +++ b/t

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Anthony PERARD
On Wed, Feb 10, 2016 at 02:14:13PM +, Stefano Stabellini wrote: > On Wed, 10 Feb 2016, Ian Campbell wrote: > > diff --git a/tools/Makefile b/tools/Makefile > > index 5688a7c..76a2235 100644 > > --- a/tools/Makefile > > +++ b/tools/Makefile > > @@ -228,7 +228,7 @@ qemu-xen-dir-force-update: qemu

Re: [Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Stefano Stabellini
On Wed, 10 Feb 2016, Ian Campbell wrote: > QEMU upstream commit ed7f5f1d8db0 ("trace: convert stderr backend to > log") renamed the stderr trace backend to log, which breaks the xen > build when pointed at a QEMU tree after that point: > > ./configure of QEMU fail with: > "ERROR: invalid trace bac

[Xen-devel] [PATCH] tools: probe for existence of qemu-xen trace backends.

2016-02-10 Thread Ian Campbell
QEMU upstream commit ed7f5f1d8db0 ("trace: convert stderr backend to log") renamed the stderr trace backend to log, which breaks the xen build when pointed at a QEMU tree after that point: ./configure of QEMU fail with: "ERROR: invalid trace backends Please choose supported trace backends.