# default values for new vserver scheduler
SCHED_TOKENS_MIN = 50
SCHED_TOKENS_MAX = 100
+SCHED_TOKENS = 100
+SCHED_INTERVAL = 1000
class VServer:
return blocktotal
- def set_sched(self, shares, besteffort = True):
+ def set_sched(self, shares = 32, besteffort = True):
# for the old CKRM scheduler
if cpulimit.checkckrm() is True:
cpulimit.cpuinit()
# for the new vserver scheduler
else:
- global SCHED_TOKENS_MIN, SCHED_TOKENS_MAX
+ global SCHED_TOKENS_MIN, SCHED_TOKENS_MAX, SCHED_TOKENS, SCHED_INTERVAL
tokensmin = SCHED_TOKENS_MIN
tokensmax = SCHED_TOKENS_MAX
+ tokens = SCHED_TOKENS
+ interval = SCHED_INTERVAL
+ fillrate = shares
if besteffort is True:
- # magic "interval" value for Andy's scheduler to denote besteffort
- interval = 1000
- fillrate = shares
+ cpuguaranteed = 0
else:
- interval = 1001
- fillrate = shares
+ cpuguaranteed = 1
try:
- cpuguaranteed = 0 # need to set this from the conf file
- vserverimpl.setsched(self.ctx,fillrate,interval,tokensmin,tokensmax,cpuguaranteed)
+ vserverimpl.setsched(self.ctx,fillrate,interval,tokens,tokensmin,tokensmax,cpuguaranteed)
except OSError, ex:
if ex.errno == 22:
print "kernel does not support vserver scheduler"
def __do_chcontext(self, state_file = None):
- vserverimpl.chcontext(self.ctx)
+ vserverimpl.create(self.ctx)
+ vserverimpl.flags(self.ctx)
+ self.set_sched()
+ vserverimpl.enter(self.ctx)
+
if not state_file:
return
print >>state_file, "S_CONTEXT=%d" % self.ctx