[igt-dev] [PATCH i-g-t v2 09/10] tests/gem_busy: Use intel_measure_ring_size
From: Antonio Argenziano <hidden>
Date: 2018-02-09 23:40:00
Subsystem:
the rest · Maintainer:
Linus Torvalds
With intel_measure_ring_size added as common function we can use it instead of the local copy Signed-off-by: Antonio Argenziano <redacted> --- tests/gem_busy.c | 91 +------------------------------------------------------- 1 file changed, 1 insertion(+), 90 deletions(-)
diff --git a/tests/gem_busy.c b/tests/gem_busy.c
index c349c291..42ac8996 100644
--- a/tests/gem_busy.c
+++ b/tests/gem_busy.c@@ -305,99 +305,10 @@ struct cork { 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)); - - memset(&execbuf, 0, sizeof(execbuf)); - execbuf.buffers_ptr = to_user_pointer(obj + 1); - execbuf.buffer_count = 1; - gem_execbuf(fd, &execbuf); - gem_sync(fd, obj[1].handle); - - plug(fd, &c); - obj[0].handle = c.handle; - - 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 = -1; - 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); - gem_quiescent_gpu(fd); - - return count; -} - static void close_race(int fd) { const unsigned int ncpus = sysconf(_SC_NPROCESSORS_ONLN); - const unsigned int nhandles = measure_ring_size(fd) / 2; + const unsigned int nhandles = intel_measure_ring_size(fd, 0, false) / 2; unsigned int engines[16], nengine; unsigned long *control; uint32_t *handles;
--
2.14.2
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