[Intel-gfx] [PATCH i-g-t v5 01/11] tests/perf: make stream_fd a global variable

[Matthew Auld]

On 08/31, Lionel Landwerlin wrote:
> When debugging unstable tests on new platforms we currently we don't
> cleanup everything well in between different tests. Since only a
> single OA stream fd can be opened at a time, having the stream_fd as a
> global variable helps us cleanup the state between tests.
> 
> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>