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inefficiently print task cpu usage

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This commit is contained in:
Stepan Usatiuk
2023-10-26 11:11:49 +02:00
parent 88186e39fd
commit 1feb134302
5 changed files with 77 additions and 7 deletions
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22
src/arch/x86/task.cpp
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@@ -52,6 +52,17 @@ static void free_task(struct Task *t) {
kfree(t);
}
SkipList<uint64_t, std::pair<String, uint64_t>> getTaskTimePerPid() {
SkipList<uint64_t, std::pair<String, uint64_t>> ret;
{
LockGuard l(AllTasks_lock);
for (const auto &t: AllTasks) {
ret.add(t.data->pid, std::make_pair(t.data->name, t.data->used_time.load()));
}
}
return ret;
}
static void task_freer() {
while (true) {
sleep_self(10000);
@@ -60,6 +71,11 @@ static void task_freer() {
while (!TasksToFree.empty()) {
List<Task *>::Node *t = TasksToFree.back();
TasksToFree.pop_back();
uint64_t pid = t->val->pid;
{
LockGuard l(AllTasks_lock);
AllTasks.erase(pid);
}
free_task(t->val);
delete t;
}
@@ -90,6 +106,7 @@ struct Task *new_ktask(void (*fn)(), const char *name) {
newt->state = TS_RUNNING;
newt->mode = TASKMODE_KERN;
newt->pid = max_pid.fetch_add(1);
newt->used_time = 0;
sanity_check_frame(&newt->frame);
@@ -199,9 +216,14 @@ extern "C" void switch_task(struct task_frame *cur_frame) {
if (!NextTasks_lock.try_lock()) return;
static uint64_t lastSwitchMicros = 0;
uint64_t prevSwitchMicros = lastSwitchMicros;
lastSwitchMicros = micros;
if (RunningTask) {
RunningTask->val->frame = *cur_frame;
__builtin_memcpy(RunningTask->val->fxsave, temp_fxsave, 512);
RunningTask->val->used_time.fetch_add(lastSwitchMicros - prevSwitchMicros);
if (RunningTask->val->state == TS_RUNNING) {
NextTasks.emplace_front(RunningTask);
}