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Kernel: Split SCHEDULER_DEBUG into a new SCHEDULER_RUNNABLE_DEBUG

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And use dbgprintf() consistently on a few of the pieces of logging here.

This is useful when trying to track thread switching when you don't
really care about what it's switching _to_.
This commit is contained in:
Robin Burchell 2019-07-17 14:17:49 +02:00 committed by Andreas Kling
parent a648331e26
commit 4f94fbc9e1
Notes: sideshowbarker 2024-07-19 13:13:03 +09:00 
Author: https://github.com/rburchell
Commit: https://github.com/SerenityOS/serenity/commit/4f94fbc9e1d
Pull-request: https://github.com/SerenityOS/serenity/pull/324
2 changed files with 4 additions and 3 deletions
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5
Kernel/Scheduler.cpp
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@ -8,6 +8,7 @@
//#define LOG_EVERY_CONTEXT_SWITCH
//#define SCHEDULER_DEBUG
//#define SCHEDULER_RUNNABLE_DEBUG
static u32 time_slice_for(Process::Priority priority)
{
@ -233,7 +234,7 @@ bool Scheduler::pick_next()
return true;
});
#ifdef SCHEDULER_DEBUG
#ifdef SCHEDULER_RUNNABLE_DEBUG
dbgprintf("Non-runnables:\n");
for (auto* thread = g_nonrunnable_threads->head(); thread; thread = thread->next()) {
auto* process = &thread->process();
@ -258,7 +259,7 @@ bool Scheduler::pick_next()
if (!thread->process().is_being_inspected() && (thread->state() == Thread::Runnable || thread->state() == Thread::Running)) {
#ifdef SCHEDULER_DEBUG
kprintf("switch to %s(%u:%u) @ %w:%x\n", thread->process().name().characters(), thread->process().pid(), thread->tid(), thread->tss().cs, thread->tss().eip);
dbgprintf("switch to %s(%u:%u) @ %w:%x\n", thread->process().name().characters(), thread->process().pid(), thread->tid(), thread->tss().cs, thread->tss().eip);
#endif
return context_switch(*thread);
}

2
Kernel/Thread.cpp
View File

@ -119,7 +119,7 @@ void Thread::block(Thread::State new_state)
{
bool did_unlock = process().big_lock().unlock_if_locked();
if (state() != Thread::Running) {
kprintf("Thread::block: %s(%u) block(%u/%s) with state=%u/%s\n", process().name().characters(), process().pid(), new_state, to_string(new_state), state(), to_string(state()));
dbgprintf("Thread::block: %s(%u) block(%u/%s) with state=%u/%s\n", process().name().characters(), process().pid(), new_state, to_string(new_state), state(), to_string(state()));
}
ASSERT(state() == Thread::Running);
m_was_interrupted_while_blocked = false;