def start(self):
# Load schedule with the schedule builder
loaded = schedule_builder.load_schedule(conf_schedule.SCHEDULE_ID)
# Create queue based on schedule
abs_time = self.pump.sim_time()
for sentry in loaded.entries:
# Skip static entries with predefined domain name
if sentry.domain_name is not None:
print 'skipping schedule entry: %s' % sentry.domain_name
continue
# Start tame based on current simulation time
start = abs_time + sentry.offset
# End time based on start time, ramp-up and ramp-down
end = start + sentry.duration + sentry.rampUp + sentry.rampDown
ientry = Entry(start, end, sentry.workload_profile_index, sentry.domain_size)
self.queue.append(ientry)
# Sort queue
self.queue.sort(key=lambda q: q.schedule_for)
self.launch = 0
# Schedule message pump if entries exist
if self.queue:
self.pump.callLater(self.queue[0].schedule_for - abs_time, self.run)
def run():
# Load domain schedule
print 'Loading schedule...'
schedule = schedule_builder.load_schedule(conf_schedule.SCHEDULE_ID)
# Get CPU demand trace for each VM
for entry in schedule.entries:
index = entry.workload_profile_index
freq, ts = load.get_cpu_trace(index, entry.domain_size)
# Attach load to schedule entry
entry.freq = freq
entry.ts = ts
# Solve domain schedule
print 'solving...'
result = solve(conf_nodes.NODE_CPU_CORES, conf_nodes.NODE_MEM, schedule)
if result:
# Print results
print 'Schedule length: %i' % (len(schedule.entries))
return result
else:
print 'Infeasible model for SCHEDULE_ID: %i' % conf_schedule.SCHEDULE_ID
return None
def fill_static_params(self, run, treatment_params_map):
# Determine schedule domain size set and set it
schedule = treatment_params_map['SCHEDULE_ID']
from schedule import schedule_builder
schedule = schedule_builder.load_schedule(schedule)
return ['-DOMAIN_SIZES_SET', str(schedule.get_domain_size_set())]