179 lines
7.1 KiB
Python
179 lines
7.1 KiB
Python
import os
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import time
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import infra.basetest
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class TestWeston(infra.basetest.BRTest):
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config = \
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"""
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BR2_aarch64=y
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BR2_TOOLCHAIN_EXTERNAL=y
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BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
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BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
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BR2_ROOTFS_OVERLAY="{}"
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BR2_PER_PACKAGE_DIRECTORIES=y
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BR2_LINUX_KERNEL=y
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BR2_LINUX_KERNEL_CUSTOM_VERSION=y
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BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.1.44"
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BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
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BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
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BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="{}"
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BR2_PACKAGE_LIBDRM=y
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BR2_PACKAGE_MESA3D=y
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BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SWRAST=y
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BR2_PACKAGE_MESA3D_LLVM=y
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BR2_PACKAGE_MESA3D_OPENGL_EGL=y
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BR2_PACKAGE_MESA3D_OPENGL_ES=y
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BR2_PACKAGE_WAYLAND_UTILS=y
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BR2_PACKAGE_WESTON=y
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BR2_PACKAGE_WESTON_SIMPLE_CLIENTS=y
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BR2_TARGET_ROOTFS_CPIO=y
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BR2_TARGET_ROOTFS_CPIO_GZIP=y
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# BR2_TARGET_ROOTFS_TAR is not set
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""".format(
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infra.filepath("tests/package/test_weston/overlay"),
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infra.filepath("tests/package/test_weston/linux-vkms.fragment")
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)
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def gen_read_disp_crcs_cmd(self, count=1):
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# DRM CRCs are exposed through a sysfs pseudo file, one measure
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# per line. The first column is the frame number, the second
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# column is the CRC measure. We use "head" to get the needed
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# CRC count.
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disp_crc_path = "/sys/kernel/debug/dri/0/crtc-0/crc/data"
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cmd = f"head -{count} {disp_crc_path}"
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# The DRM CRC sysfs pseudo file lines are terminated by '\n'
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# and '\0'. We remove the '\0' to have a text-only output.
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cmd += " | tr -d '\\000'"
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# Finally, we drop the frame counter, and keep only the second
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# column (CRC values)
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cmd += " | cut -f 2 -d ' '"
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return cmd
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def gen_count_unique_disp_crcs_cmd(self, count=10):
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# We get the command generating one CRC per line...
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cmd = self.gen_read_disp_crcs_cmd(count)
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# ...then count the number of unique values
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cmd += " | uniq | wc -l"
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return cmd
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def start_weston(self):
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self.assertRunOk("export XDG_RUNTIME_DIR=/tmp")
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cmd = "weston"
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cmd += " --config=/etc/weston.ini"
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cmd += " --continue-without-input"
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cmd += " --log=/tmp/weston.log"
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cmd += " &> /dev/null &"
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self.assertRunOk(cmd)
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self.assertRunOk("export WAYLAND_DISPLAY=wayland-1")
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def wait_for_weston(self):
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# We wait for the wayland socket to appear...
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wayland_socket = "${XDG_RUNTIME_DIR}/${WAYLAND_DISPLAY}"
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cmd = f"while [ ! -e \"{wayland_socket}\" ] ; do sleep 1 ; done"
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self.assertRunOk(cmd, timeout=10)
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time.sleep(4)
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def stop_weston(self):
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cmd = "killall weston && sleep 3"
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self.assertRunOk(cmd)
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def test_run(self):
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img = os.path.join(self.builddir, "images", "rootfs.cpio.gz")
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kern = os.path.join(self.builddir, "images", "Image")
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self.emulator.boot(arch="aarch64",
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kernel=kern,
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kernel_cmdline=["console=ttyAMA0"],
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options=["-M", "virt",
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"-cpu", "cortex-a57",
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"-smp", "4",
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"-m", "256M",
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"-initrd", img])
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self.emulator.login()
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# Check the weston binary can execute
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self.assertRunOk("weston --version")
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self.start_weston()
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self.wait_for_weston()
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# Check a simple info client can communicate with the compositor
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self.assertRunOk("wayland-info", timeout=10)
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# This test will use the Kernel VKMS DRM Display CRC support,
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# which is exposed in debugfs. See:
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# https://docs.kernel.org/gpu/drm-uapi.html#display-crc-support
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self.assertRunOk("mount -t debugfs none /sys/kernel/debug/")
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# We get 10 consecutive DRM frame CRCs and count how many
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# unique CRCs we have. Since weston is supposed to run idle,
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# we should have 10 times the same display CRC.
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cmd = self.gen_count_unique_disp_crcs_cmd()
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output, exit_code = self.emulator.run(cmd)
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self.assertEqual(exit_code, 0)
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self.assertEqual(int(output[0]), 1)
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# We save the CRC value of an empty weston desktop for
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# later...
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cmd = self.gen_read_disp_crcs_cmd()
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output, exit_code = self.emulator.run(cmd)
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self.assertEqual(exit_code, 0)
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weston_desktop_crc = int(output[0], 16)
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# We start the weston-simple-egl in background... Every
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# rendered frame is supposed to be different (as the triangle
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# animation is derived from the system time). Since all the
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# rendering (client application and compositor) is in
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# software, we sleep a bit to let those program to settle.
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self.assertRunOk("weston-simple-egl >/dev/null 2>&1 &")
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time.sleep(8)
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# Since the weston-simple-egl client is supposed to run and
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# display something, we are now supposed to measure a
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# different display CRC than the one we measured when the
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# desktop was empty.
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cmd = self.gen_read_disp_crcs_cmd()
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output, exit_code = self.emulator.run(cmd)
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self.assertEqual(exit_code, 0)
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self.assertNotEqual(int(output[0], 16), weston_desktop_crc)
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# While weston-simple-egl is running, we check the VKMS DRM
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# CRCs are now changing. We get many CRCs, one per display
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# driver refresh (at ~60Hz). Since all the rendering is in
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# software, we can expect a slow frame rate. In 300 captured
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# CRCs (5s), we expect at least 5 different values (i.e. 1 fps).
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# This guarantees the rendering pipeline is working, while we
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# remain very permissive to slow emulation situations.
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# Increase timeout, as the command is expected to run about 5s,
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# which is the default timeout.
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cmd = self.gen_count_unique_disp_crcs_cmd(300)
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output, exit_code = self.emulator.run(cmd, timeout=10)
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self.assertEqual(exit_code, 0)
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self.assertGreaterEqual(int(output[0]), 5)
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# We stop weston-simple-egl, and sleep a bit to let Weston do
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# its cleanup and desktop repaint refresh...
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self.assertRunOk("killall weston-simple-egl")
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time.sleep(4)
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# After we stopped the application, we should have the initial
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# weston desktop background. The CRC we measure now should be
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# the same as the one we saved earlier.
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cmd = self.gen_read_disp_crcs_cmd()
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output, exit_code = self.emulator.run(cmd)
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self.assertEqual(exit_code, 0)
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self.assertEqual(int(output[0], 16), weston_desktop_crc)
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self.stop_weston()
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# Now weston is supposed to be stopped,
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# a simple client is expected to fail.
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_, exit_code = self.emulator.run("wayland-info")
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self.assertNotEqual(exit_code, 0)
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