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Improve logging

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This commit is contained in:
Baptiste Wicht 2016-07-03 13:23:12 +02:00
parent 9ceb950642
commit f7ba2bbe2d
1 changed files with 13 additions and 4 deletions
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15
kernel/src/scheduler.cpp
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@ -90,8 +90,9 @@ void gc_task(){
for(auto& process : pcb){
if(process.state == scheduler::process_state::KILLED){
auto& desc = process.process;
auto prev_pid = desc.pid;
logging::logf(logging::log_level::DEBUG, "Clean process %u\n", desc.pid);
logging::logf(logging::log_level::DEBUG, "Clean process %u\n", prev_pid);
//1. Release physical memory of PML4T
physical_allocator::free(desc.physical_cr3, 1);
@ -138,6 +139,8 @@ void gc_task(){
//9. Release the PCB slot
process.state = scheduler::process_state::EMPTY;
logging::logf(logging::log_level::DEBUG, "Process %u cleaned\n", prev_pid);
}
}
}
@ -277,10 +280,14 @@ void switch_to_process(size_t pid){
auto old_pid = current_pid;
current_pid = pid;
logging::logf(logging::log_level::DEBUG, "Switch to %u\n", current_pid);
auto& process = pcb[current_pid];
if(process.process.system){
logging::logf(logging::log_level::DEBUG, "Switch from %u to %u (rip:%u)\n", old_pid, current_pid, process.process.context->rip);
} else {
logging::logf(logging::log_level::DEBUG, "Switch from %u to %u\n", old_pid, current_pid);
}
process.state = scheduler::process_state::RUNNING;
gdt::tss.rsp0_low = process.process.kernel_rsp & 0xFFFFFFFF;
@ -756,6 +763,8 @@ void scheduler::tick(){
return;
}
logging::logf(logging::log_level::DEBUG, "Preempt %u to %u\n", current_pid, pid);
switch_to_process(pid);
} else {
++process.rounds;