[PATCH 0/5] make performance is associated with vGPU type.
Gao, Ping A
ping.a.gao at intel.com
Tue Feb 7 00:55:57 UTC 2017
Please ignore this serials as it cannot match our requirement, I will
sent v2 later.
On 2017/1/26 9:19, Gao, Ping A wrote:
> 1. Currrently, scheduler is triggered by delay_work, it's only can be
> accurate at 10ms level, so have to change the scheduler period to
> 10ms, it will have stability impact.
> 2. Test two vGPU type 2 and type 5, the fps of tropic in two guest show
> about 5:2, it's workable but the precision is not good.
>
> TODO: 1. Use htimer replace the delay_work to trigger scheduler.
> 2. Create dummy vGPU to help caculation.
>
> Ping Gao (5):
> drm/i915/gvt: add some statistic routine for scheduler
> drm/i915/gvt: add basic funtion for fairness control
> drm/i915/gvt: control the scheduler by timeslice usage
> drm/i915/gvt: define weight according the vGPU type
> drm/i915/gvt: set scheduler time to 10ms
>
> drivers/gpu/drm/i915/gvt/gvt.h | 10 +++
> drivers/gpu/drm/i915/gvt/kvmgt.c | 4 +-
> drivers/gpu/drm/i915/gvt/sched_policy.c | 141 ++++++++++++++++++++++++++++----
> drivers/gpu/drm/i915/gvt/vgpu.c | 9 ++
> 4 files changed, 145 insertions(+), 19 deletions(-)
>
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