On Sun, Oct 30, 2011 at 01:07:26PM +0100, Stefan Weil wrote:
> Valgrind is a tool which can automatically detect many kinds of bugs.
>
> Running QEMU on Valgrind with x86_64 hosts was not possible because
> Valgrind aborts when memalign is called with an alignment larger than
> 1 MiB. QEMU normally uses 2 MiB on Linux x86_64.
>
> Now the alignment is reduced to the page size when QEMU is running on
> Valgrind.
>
> valgrind.h is a copy from Valgrind svn trunk r12226 with trailing
> whitespace stripped but otherwise unmodified, so it still raises lots
> of errors when checked with scripts/checkpatch.pl.
>
> It is included here to avoid a dependency on Valgrind.
In libvirt we do the following fun hack to avoid a build dep on valgrind:
const char *ld = getenv("LD_PRELOAD");
if (ld && strstr(ld, "vgpreload")) {
fprintf(stderr, "Running under valgrind, disabling driver\n");
return 0;
}
Regards,
Daniel
--
|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org -o- http://virt-manager.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
