denshooter/genode
1
0
Fork 0
mirror of https://github.com/mmueller41/genode.git synced 2026-01-21 20:42:56 +01:00
Code Issues Packages Projects Releases Wiki Activity

WIP: scheduler

Browse Source
This commit is contained in:
Marcel Lütke Dreimann
2022-08-23 16:50:48 +02:00
parent a099b0f3da
commit 1c8e560cbe
2 changed files with 25 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
repos/dde_uos-intel-gpgpu/src/gpgpu/rpc.cc
View File

@@ -66,7 +66,6 @@ int gpgpu::Session_component::start_task(unsigned long kconf)
Kernel* kernel = (Kernel*)_global_gpgpu_genode->aligned_alloc(0, sizeof(Kernel));
vgpu.add_kernel(kernel);
TODO: free this somewhere
TODO: start scheduler if its idling
*/

42
repos/dde_uos-intel-gpgpu/src/gpgpu/scheduler.cc
View File

@@ -4,18 +4,29 @@
#include "../uos-intel-gpgpu/driver/gpgpu_driver.h"
#include "../uos-intel-gpgpu/driver/ppgtt32.h"
// genode instance
#include "gpgpu_genode.h"
extern gpgpu_genode* _global_gpgpu_genode;
void gpgpu::Scheduler::schedule_next()
{
VGpu *next;
if ((next = static_cast<VGpu*>(_run_list.first()))) {
this->dispatch(*next);
_curr_vgpu = next;
// TODO: fix endless loop, if all vgpus have no kernel
do
{
VGpu* next;
if ((next = static_cast<VGpu*>(_run_list.first()))) {
// set vgpu and change to its context
this->dispatch(*next);
_curr_vgpu = next;
// move vgpu to end of list
_run_list.remove(next);
_run_list.insert(next);
} else
_curr_vgpu = nullptr;
// move vgpu to end of list
_run_list.remove(next);
_run_list.insert(next);
} else
_curr_vgpu = nullptr;
}
while(_curr_vgpu != nullptr && !_curr_vgpu->has_kernel()); // continue search if we picked a vgpu without kernel
}
void gpgpu::Scheduler::handle_gpu_event()
@@ -27,22 +38,19 @@ void gpgpu::Scheduler::handle_gpu_event()
/* Switch to next vGPU in the run list */
schedule_next();
/* If no vGPU to schedule, this means that we don't have any clients anymore.
* Thus, there are also no kernels anymore to run. */
// If no vGPU to schedule, this means that we don't have any clients with kernels anymore.
if (_curr_vgpu == nullptr)
return;
Kernel *next = _curr_vgpu->take_kernel();
if (!next) /* If there is no kernel for the vGPU left */
{
// TODO: search for kernels in vgpu list
return;
}
// set frequency
gpgpudriver.setMaxFreq();
// run gpgpu task
gpgpudriver.enqueueRun(*next->get_config());
// free kernel object
// kernel_config will not be freed, just the Queue object!
_global_gpgpu_genode->free(next);
}