Hi.
On Sat, 02 May 2020 13:16:37 +0530 Sreyan Chakravarty wrote:
> On 5/2/20 5:55 AM, Roger Heflin wrote:
>> You will want these commands:
>> sudo "echo ON > /sys/kernel/debug/vgaswitcheroo/switch"
>> sudo "echo DIS > /sys/kernel/debug/vgaswitcheroo/switch"
> These commands fail with the error:
> sudo: echo ON > /sys/kernel/debug/vgaswitcheroo/switch: command not found
This should work:
sudo bash -c "echo ON > /sys/kernel/debug/vgaswitcheroo/switch"
sudo bash -c "echo DIS > /sys/kernel/debug/vgaswitcheroo/switch"
For a small graphical bench I use glmark2, for a 10s test, for
example 'glmark2 -b build'
with an nvidia card:
glmark2 -b build
=======================================================
glmark2 2017.07
=======================================================
OpenGL Information
GL_VENDOR: NVIDIA Corporation
GL_RENDERER: Quadro K4000/PCIe/SSE2
GL_VERSION: 4.6.0 NVIDIA 440.59
=======================================================
[build] <default>: FPS: 6507 FrameTime: 0.154 ms
=======================================================
glmark2 Score: 6507
=======================================================
without: (from within an Xvnc virtual session):
glmark2 -b build
** GLX does not support GLX_EXT_swap_control or GLX_MESA_swap_control!
** Failed to set swap interval. Results may be bounded above by refresh rate.
=======================================================
glmark2 2017.07
=======================================================
OpenGL Information
GL_VENDOR: VMware, Inc.
GL_RENDERER: llvmpipe (LLVM 9.0, 256 bits)
GL_VERSION: 3.1 Mesa 19.2.8
=======================================================
** GLX does not support GLX_EXT_swap_control or GLX_MESA_swap_control!
** Failed to set swap interval. Results may be bounded above by refresh rate.
[build] <default>: FPS: 330 FrameTime: 3.030 ms
=======================================================
glmark2 Score: 330
=======================================================
I'm interested to know if you obtain good results when configuring
vgaswitcheroo.
--
francis
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