benchmarks: Add vgem mmap speed test

Primarily to check that we have the WC read/write disparity.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 10 insertions, 0 deletions

diff --git a/benchmarks/ezbench.d/vgem_mmap.test b/benchmarks/ezbench.d/vgem_mmap.test
new file mode 100644
index 00000000..0e71ecd1
--- /dev/null
+++ b/benchmarks/ezbench.d/vgem_mmap.test
@@ -0,0 +1,10 @@
+[ -e $IGT_BENCHMARKS/vgem_mmap ] || return 1
+sudo -n true || return 1
+
+for i in fault clear write read; do
+	name="vgem:mmap::$i"
+	test_name="$test_name $name"
+	eval "${name}_run() { sudo $IGT_BENCHMARKS/vgem_mmap -d $i -r \$1 ; } "
+done
+
+test_exec_time=2