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Kernel: Optionally dump scheduler state with stack traces

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This will dump stack traces of all threads when pressing
Ctrl+Shift+Alt+F12
This commit is contained in:
Tom 2021-07-15 14:54:19 -06:00 • committed by Andreas Kling
parent 0150ae4bbd
commit 82e9fe8d67
4 changed files with 11 additions and 8 deletions
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10
Kernel/Scheduler.cpp
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@ -53,7 +53,7 @@ static SpinLock<u8> g_ready_queues_lock;
static u32 g_ready_queues_mask;
static constexpr u32 g_ready_queue_buckets = sizeof(g_ready_queues_mask) * 8;
READONLY_AFTER_INIT static ThreadReadyQueue* g_ready_queues; // g_ready_queue_buckets entries
static void dump_thread_list();
static void dump_thread_list(bool = false);
static inline u32 thread_priority_to_priority_index(u32 thread_priority)
{
@ -526,9 +526,9 @@ void Scheduler::idle_loop(void*)
}
}
void Scheduler::dump_scheduler_state()
void Scheduler::dump_scheduler_state(bool with_stack_traces)
{
dump_thread_list();
dump_thread_list(with_stack_traces);
}
bool Scheduler::is_initialized()
@ -537,7 +537,7 @@ bool Scheduler::is_initialized()
return Processor::idle_thread() != nullptr;
}
void dump_thread_list()
void dump_thread_list(bool with_stack_traces)
{
dbgln("Scheduler thread list for processor {}:", Processor::id());
@ -580,6 +580,8 @@ void dump_thread_list()
thread.times_scheduled());
break;
}
if (with_stack_traces)
dbgln("{}", thread.backtrace());
});
}