def test_online_cpu_iteration(self):
count = 0
for cpu in cpus.for_each_online_cpu():
self.assertTrue(type(cpu) is int)
count += 1
self.assertTrue(count > 0)
def check_free_pages(self) -> None:
for order in range(array_size(self.gdb_obj["free_area"])):
area = self.gdb_obj["free_area"][order]
self._check_free_area(area, False, order)
for cpu in for_each_online_cpu():
pageset = get_percpu_var(self.gdb_obj["pageset"], cpu)
self._check_free_area(pageset["pcp"], True, cpu)
def __fill_percpu_caches(self) -> None:
cpu_cache = self.gdb_obj[KmemCache.percpu_name]
for cpu in for_each_online_cpu():
if KmemCache.percpu_cache:
array = get_percpu_var(cpu_cache, cpu)
else:
array = cpu_cache[cpu].dereference()
self.__fill_array_cache(array, AC_PERCPU, -1, cpu)
def get_events(cls) -> List[int]:
nr = cls.nr_event_items
events = [0] * nr
for cpu in for_each_online_cpu():
states = get_percpu_var(cls.symbols.vm_event_states, cpu)
for item in range(0, nr):
events[item] += int(states["event"][item])
return events
def check_free_pages(self) -> None:
for area in array_for_each(self.gdb_obj["free_area"]):
self._check_free_area(area, False)
for cpu in for_each_online_cpu():
pageset = get_percpu_var(self.gdb_obj["pageset"], cpu)
self._check_free_area(pageset["pcp"], True)
def add_vmstat_diffs(self, diffs: List[int]) -> None:
for cpu in for_each_online_cpu():
pageset = get_percpu_var(self.gdb_obj["pageset"], cpu)
vmdiff = pageset["vm_stat_diff"]
for item in range(0, VmStat.nr_stat_items):
diffs[item] += int(vmdiff[item])
