def is_balance_req_significant(self, memset_reqs, xenfree):
self.log.debug(
'is_balance_req_significant(memset_reqs={}, xenfree={})'.format(
memset_reqs, xenfree))
total_memory_transfer = 0
MIN_TOTAL_MEMORY_TRANSFER = 150 * 1024 * 1024
MIN_MEM_CHANGE_WHEN_UNDER_PREF = 15 * 1024 * 1024
# If xenfree to low, return immediately
if self.XEN_FREE_MEM_LEFT - xenfree > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
self.log.debug('xenfree is too low, returning')
return True
for rq in memset_reqs:
dom, mem = rq
last_target = self.domdict[dom].last_target
memory_change = mem - last_target
total_memory_transfer += abs(memory_change)
pref = qmemman_algo.prefmem(self.domdict[dom])
if last_target > 0 and last_target < pref and memory_change > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
self.log.info(
'dom {} is below pref, allowing balance'.format(dom))
return True
ret = total_memory_transfer + abs(
xenfree - self.XEN_FREE_MEM_LEFT) > MIN_TOTAL_MEMORY_TRANSFER
self.log.debug('is_balance_req_significant return {}'.format(ret))
return ret
def is_balance_req_significant(self, memset_reqs, xenfree):
self.log.debug(
'is_balance_req_significant(memset_reqs={}, xenfree={})'.format(
memset_reqs, xenfree))
total_memory_transfer = 0
MIN_TOTAL_MEMORY_TRANSFER = 150*1024*1024
MIN_MEM_CHANGE_WHEN_UNDER_PREF = 15*1024*1024
# If xenfree to low, return immediately
if self.XEN_FREE_MEM_LEFT - xenfree > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
self.log.debug('xenfree is too low, returning')
return True
for rq in memset_reqs:
dom, mem = rq
last_target = self.domdict[dom].last_target
memory_change = mem - last_target
total_memory_transfer += abs(memory_change)
pref = qmemman_algo.prefmem(self.domdict[dom])
if last_target > 0 and last_target < pref and memory_change > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
self.log.info(
'dom {} is below pref, allowing balance'.format(dom))
return True
ret = total_memory_transfer + abs(xenfree - self.XEN_FREE_MEM_LEFT) > MIN_TOTAL_MEMORY_TRANSFER
self.log.debug('is_balance_req_significant return {}'.format(ret))
return ret
def print_stats(self, xenfree, memset_reqs):
for i in self.domdict.keys():
if self.domdict[i].meminfo is not None:
self.log.info('stat: dom {!r} act={} pref={}'.format(i,
self.domdict[i].memory_actual,
qmemman_algo.prefmem(self.domdict[i])))
self.log.info('stat: xenfree={} memset_reqs={}'.format(xenfree, memset_reqs))
def print_stats(self, xenfree, memset_reqs):
for i in self.domdict.keys():
if self.domdict[i].meminfo is not None:
self.log.info('stat: dom {!r} act={} pref={}'.format(
i, self.domdict[i].memory_actual,
qmemman_algo.prefmem(self.domdict[i])))
self.log.info('stat: xenfree={} memset_reqs={}'.format(
xenfree, memset_reqs))
def is_balance_req_significant(self, memset_reqs, xenfree):
total_memory_transfer = 0
MIN_TOTAL_MEMORY_TRANSFER = 150*1024*1024
MIN_MEM_CHANGE_WHEN_UNDER_PREF = 15*1024*1024
# If xenfree to low, return immediately
if self.XEN_FREE_MEM_LEFT - xenfree > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
return True
for rq in memset_reqs:
dom, mem = rq
last_target = self.domdict[dom].last_target
memory_change = mem - last_target
total_memory_transfer += abs(memory_change)
pref = qmemman_algo.prefmem(self.domdict[dom])
if last_target > 0 and last_target < pref and memory_change > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
print 'dom', dom, 'is below pref, allowing balance'
return True
return total_memory_transfer + abs(xenfree - self.XEN_FREE_MEM_LEFT) > MIN_TOTAL_MEMORY_TRANSFER
def is_balance_req_significant(self, memset_reqs, xenfree):
total_memory_transfer = 0
MIN_TOTAL_MEMORY_TRANSFER = 150 * 1024 * 1024
MIN_MEM_CHANGE_WHEN_UNDER_PREF = 15 * 1024 * 1024
# If xenfree to low, return immediately
if self.XEN_FREE_MEM_LEFT - xenfree > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
return True
for rq in memset_reqs:
dom, mem = rq
last_target = self.domdict[dom].last_target
memory_change = mem - last_target
total_memory_transfer += abs(memory_change)
pref = qmemman_algo.prefmem(self.domdict[dom])
if last_target > 0 and last_target < pref and memory_change > MIN_MEM_CHANGE_WHEN_UNDER_PREF:
print 'dom', dom, 'is below pref, allowing balance'
return True
return total_memory_transfer + abs(
xenfree - self.XEN_FREE_MEM_LEFT) > MIN_TOTAL_MEMORY_TRANSFER
def print_stats(self, xenfree, memset_reqs):
for i in self.domdict.keys():
if self.domdict[i].meminfo is not None:
print 'dom' , i, 'act/pref', self.domdict[i].memory_actual, qmemman_algo.prefmem(self.domdict[i])
print 'xenfree=', xenfree, 'balance req:', memset_reqs
def print_stats(self, xenfree, memset_reqs):
for i in self.domdict.keys():
if self.domdict[i].meminfo is not None:
print 'dom', i, 'act/pref', self.domdict[
i].memory_actual, qmemman_algo.prefmem(self.domdict[i])
print 'xenfree=', xenfree, 'balance req:', memset_reqs