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Hoitaja: A Hoitaja cell now creates a kernel object for the cell. This way the core affinity of a cell, that was calculated by Hoitaja, is communicated to the kernel's core allocator.

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This commit is contained in:
Michael Mueller
2024-01-18 18:54:37 +01:00
parent 5cbac9f128
commit d1e7654652
1 changed files with 19 additions and 8 deletions
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27
repos/os/src/hoitaja/cell.h
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@@ -17,7 +17,7 @@
#include <sandbox/route_model.h>
#include <state_handler.h>
#include <nova/syscalls.h>
namespace Hoitaja {
class Cell;
}
@@ -26,6 +26,7 @@ class Hoitaja::Cell : public ::Sandbox::Child
{
private:
State_handler &_state_handler;
long _priority{0};
public:
friend class Habitat;
@@ -51,19 +52,25 @@ class Hoitaja::Cell : public ::Sandbox::Child
Genode::Registry<::Sandbox::Child::Local_service> &local_services,
State_handler &state_handler)
: ::Sandbox::Child(env, alloc, verbose, id, report_update_trigger, start_node, default_route_accessor, default_caps_accessor, name_registry, ram_limit_accessor, cap_limit_accessor, cpu_limit_accessor, cpu_quota_transfer, prio_levels, affinity_space, location, parent_services, child_services, local_services), _state_handler(state_handler)
{ }
{
_priority = ::Sandbox::priority_from_xml(start_node, prio_levels);
_priority = (_priority == 0) ? 1 : _priority;
virtual ~Cell() { };
env.pd().create_cell(_priority, location);
}
virtual ~Cell() { };
struct Resources &resources() { return _resources; }
void update_affinity(Genode::Affinity affinity) {
Genode::log("Updating affinity to ", affinity.location(), " in space ", affinity.space());
//Genode::log("Updating affinity to ", affinity.location(), " in space ", affinity.space());
_resources.affinity = affinity;
Genode::log("Moving CPU session ", _env.cpu_session_cap());
//Genode::log("Moving CPU session ", _env.cpu_session_cap());
_env.cpu().move(affinity.location());
if (_child.active()) {
_child.cpu().move(affinity.location());
// TODO: Change topology representation
_child.topo().reconstruct(affinity);
}
}
@@ -74,7 +81,11 @@ class Hoitaja::Cell : public ::Sandbox::Child
_state_handler.handle_habitat_state(*this);
}
void yield(Genode::Parent::Resource_args &args) {
_child.yield(args);
void shrink_cores(Genode::Affinity::Location &cores) {
_env.pd().shrink_cell(cores);
}
};
void grow_cores(Genode::Affinity::Location &cores) {
_env.pd().grow_cell(cores);
}
};