[igt-dev] [PATCH i-g-t v4 08/11] tests/gem_exec_await: use intel_measure_ring_size

[Antonio Argenziano <antonio.argenziano@intel.com>]

From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>

With intel_measure_ring_size added as common function we can use it
instead of the local copy

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>

Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/gem_exec_await.c | 91 ++------------------------------------------------
 1 file changed, 2 insertions(+), 89 deletions(-)

diff --git a/tests/gem_exec_await.c b/tests/gem_exec_await.c
index e19363c4..1c1640de 100644
--- a/tests/gem_exec_await.c
+++ b/tests/gem_exec_await.c
@@ -26,6 +26,7 @@
 #include "igt_rand.h"
 #include "igt_sysfs.h"
 #include "igt_vgem.h"
+#include "i915/gem_ring.h"
 
 #include <sys/ioctl.h>
 #include <sys/signal.h>
@@ -237,94 +238,6 @@ static void wide(int fd, int ring_size, int timeout, unsigned int flags)
 	free(exec);
 }
 
-struct cork {
-	int device;
-	uint32_t handle;
-	uint32_t fence;
-};
-
-static void plug(int fd, struct cork *c)
-{
-	struct vgem_bo bo;
-	int dmabuf;
-
-	c->device = drm_open_driver(DRIVER_VGEM);
-
-	bo.width = bo.height = 1;
-	bo.bpp = 4;
-	vgem_create(c->device, &bo);
-	c->fence = vgem_fence_attach(c->device, &bo, VGEM_FENCE_WRITE);
-
-	dmabuf = prime_handle_to_fd(c->device, bo.handle);
-	c->handle = prime_fd_to_handle(fd, dmabuf);
-	close(dmabuf);
-}
-
-static void unplug(struct cork *c)
-{
-	vgem_fence_signal(c->device, c->fence);
-	close(c->device);
-}
-
-static void alarm_handler(int sig)
-{
-}
-
-static int __execbuf(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
-{
-	return ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, execbuf);
-}
-
-static unsigned int measure_ring_size(int fd)
-{
-	struct sigaction sa = { .sa_handler = alarm_handler };
-	struct drm_i915_gem_exec_object2 obj[2];
-	struct drm_i915_gem_execbuffer2 execbuf;
-	const uint32_t bbe = MI_BATCH_BUFFER_END;
-	unsigned int count, last;
-	struct itimerval itv;
-	struct cork c;
-
-	memset(obj, 0, sizeof(obj));
-	obj[1].handle = gem_create(fd, 4096);
-	gem_write(fd, obj[1].handle, 0, &bbe, sizeof(bbe));
-
-	plug(fd, &c);
-	obj[0].handle = c.handle;
-
-	memset(&execbuf, 0, sizeof(execbuf));
-	execbuf.buffers_ptr = to_user_pointer(obj);
-	execbuf.buffer_count = 2;
-
-	sigaction(SIGALRM, &sa, NULL);
-	itv.it_interval.tv_sec = 0;
-	itv.it_interval.tv_usec = 100;
-	itv.it_value.tv_sec = 0;
-	itv.it_value.tv_usec = 1000;
-	setitimer(ITIMER_REAL, &itv, NULL);
-
-	last = count = 0;
-	do {
-		if (__execbuf(fd, &execbuf) == 0) {
-			count++;
-			continue;
-		}
-
-		if (last == count)
-			break;
-
-		last = count;
-	} while (1);
-
-	memset(&itv, 0, sizeof(itv));
-	setitimer(ITIMER_REAL, &itv, NULL);
-
-	unplug(&c);
-	gem_close(fd, obj[1].handle);
-
-	return count;
-}
-
 igt_main
 {
 	int ring_size = 0;
@@ -336,7 +249,7 @@ igt_main
 		igt_require_gem(device);
 		gem_submission_print_method(device);
 
-		ring_size = measure_ring_size(device) - 10;
+		ring_size = gem_measure_ring_inflight(device, 0, 0) - 10;
 		if (!gem_has_execlists(device))
 			ring_size /= 2;
 		igt_info("Ring size: %d batches\n", ring_size);
-- 
2.14.2

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