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Kernel: Port the scheduler's time tracking to SpinLockProtectedValue

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This commit is contained in:
Andreas Kling 2021-08-08 12:34:30 +02:00
parent a425f421ac
commit 374972578d
1 changed files with 7 additions and 8 deletions
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15
Kernel/Scheduler.cpp
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@ -55,8 +55,7 @@ struct ThreadReadyQueues {
static Singleton<SpinLockProtectedValue<ThreadReadyQueues>> g_ready_queues; static Singleton<SpinLockProtectedValue<ThreadReadyQueues>> g_ready_queues;
static TotalTimeScheduled g_total_time_scheduled; static SpinLockProtectedValue<TotalTimeScheduled> g_total_time_scheduled;
static SpinLock<u8> g_total_time_scheduled_lock;
// The Scheduler::current_time function provides a current time for scheduling purposes, // The Scheduler::current_time function provides a current time for scheduling purposes,
// which may not necessarily relate to wall time // which may not necessarily relate to wall time
@ -453,10 +452,11 @@ UNMAP_AFTER_INIT Thread* Scheduler::create_ap_idle_thread(u32 cpu)
void Scheduler::add_time_scheduled(u64 time_to_add, bool is_kernel) void Scheduler::add_time_scheduled(u64 time_to_add, bool is_kernel)
{ {
ScopedSpinLock lock(g_total_time_scheduled_lock); g_total_time_scheduled.with([&](auto& total_time_scheduled) {
g_total_time_scheduled.total += time_to_add; total_time_scheduled.total += time_to_add;
if (is_kernel) if (is_kernel)
g_total_time_scheduled.total_kernel += time_to_add; total_time_scheduled.total_kernel += time_to_add;
});
} }
void Scheduler::timer_tick(const RegisterState& regs) void Scheduler::timer_tick(const RegisterState& regs)
@ -563,8 +563,7 @@ bool Scheduler::is_initialized()
TotalTimeScheduled Scheduler::get_total_time_scheduled() TotalTimeScheduled Scheduler::get_total_time_scheduled()
{ {
ScopedSpinLock lock(g_total_time_scheduled_lock); return g_total_time_scheduled.with([&](auto& total_time_scheduled) { return total_time_scheduled; });
return g_total_time_scheduled;
} }
void dump_thread_list(bool with_stack_traces) void dump_thread_list(bool with_stack_traces)