kern: finish SvcGetInfo

libraries/libmesosphere/include/mesosphere/kern_k_scheduler.hpp

@@ -82,6 +82,14 @@ namespace ams::kern {
                     this->ScheduleOnInterrupt();
                 }
             }
+
+            ALWAYS_INLINE KThread *GetIdleThread() const {
+                return this->idle_thread;
+            }
+
+            ALWAYS_INLINE s64 GetLastContextSwitchTime() const {
+                return this->last_context_switch_time;
+            }
         private:
             /* Static private API. */
             static ALWAYS_INLINE bool IsSchedulerUpdateNeeded() { return s_scheduler_update_needed; }

libraries/libmesosphere/include/mesosphere/kern_k_thread.hpp

@@ -427,8 +427,18 @@ namespace ams::kern {
             constexpr void SetDebugAttached() { this->debug_attached = true; }
             constexpr bool IsAttachedToDebugger() const { return this->debug_attached; }
 
-            void AddCpuTime(s64 amount) {
+            void AddCpuTime(s32 core_id, s64 amount) {
                 this->cpu_time += amount;
+                /* TODO: Debug kernels track per-core tick counts. Should we? */
+            }
+
+            s64 GetCpuTime() const { return this->cpu_time; }
+
+            s64 GetCpuTime(s32 core_id) const {
+                MESOSPHERE_ABORT_UNLESS(0 <= core_id && core_id < static_cast<s32>(cpu::NumCores));
+
+                /* TODO: Debug kernels track per-core tick counts. Should we? */
+                return 0;
             }
 
             constexpr u32 GetSuspendFlags() const { return this->suspend_allowed_flags & this->suspend_request_flags; }