def _do_update(self, entities):
BaseMemCgManager._do_update(self, entities)
self._calc_reservation(entities)
self.logger.debug("Memory consumption/unused/reservation: %s" %
"; ".join('%s: %s/%s/%s' %
(e.id,
util.strmemsize(e.mem_usage),
util.strmemsize(e.mem_unused),
util.strmemsize(e.mem_reservation))
for e in entities))
def __update_memcg_unused(self):
result = {}
Z = (0, 0)
for name in os.listdir(config.MEMCG__ROOT_PATH):
path = os.path.join(config.MEMCG__ROOT_PATH, name)
if not os.path.isdir(path):
continue
cnt = Z
for root, subdirs, files in os.walk(path):
try:
ino = os.stat(root)[stat.ST_INO]
except OSError: # cgroup dir removed?
continue
cnt = map(sum, zip(cnt, self.__nr_unused.get(ino, Z)))
# convert pages to bytes
result[name] = tuple(x * sysinfo.PAGE_SIZE for x in cnt)
MemCg.unused_mem_estimate = result
self.logger.debug("Unused memory estimate (anon/file)): %s" %
"; ".join('%s: %s/%s' % (k,
util.strmemsize(v1),
util.strmemsize(v2))
for k, (v1, v2) in result.iteritems()))
def __strmemsize(val):
if val == LoadConfig.MAX_LIMIT:
return "unlim"
return util.strmemsize(val)
