test/gem_gtt_speed: Add a baseline test for the performance of a CPU mmap

When looking at the pwrite/pread/wc performance, it is useful to judge
that against the performance of an ordinary CPU mmap.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/drmtest.h b/lib/drmtest.h
index 9f27e2c3..4021104b 100644
--- a/lib/drmtest.h
+++ b/lib/drmtest.h
@@ -52,7 +52,11 @@ void gem_set_domain(int fd, uint32_t handle,
 		    uint32_t read_domains, uint32_t write_domain);
 void gem_sync(int fd, uint32_t handle);
 uint32_t gem_create(int fd, int size);
-void *gem_mmap(int fd, uint32_t handle, int size, int prot);
+
+void *gem_mmap__gtt(int fd, uint32_t handle, int size, int prot);
+void *gem_mmap__cpu(int fd, uint32_t handle, int size, int prot);
+#define gem_mmap gem_mmap__gtt
+
 uint64_t gem_aperture_size(int fd);
 uint64_t gem_mappable_aperture_size(void);
 int gem_madvise(int fd, uint32_t handle, int state);