def stop(self, cores):
self._send('stop %s' % ','.join(map(str, cores)))
- def speed(self, speed, cores, tasks=None):
- if tasks is None:
- tasks = [ 0 ] * len(cores)
- elif len(tasks) != len(cores):
- raise ValueError('cores and tasks must have the same len')
- for (core, task) in zip(cores, tasks):
- self._send('speed %s %s %s' % (core, task, speed))
+ def speed(self, speed, cores, tasks=[0]):
+ for core in cores:
+ for task in tasks:
+ self._send('speed %s %s %s' % (core, task, speed))
def reset_stats(self):
self._send('reset stats')
min_lat = 999999999
max_lat = avg_lat = 0
number_tasks_returning_stats = 0
+ buckets = [0] * 128
+ self._send('lat all stats %s %s' % (','.join(map(str, cores)), ','.join(map(str, tasks))))
+ for core in cores:
+ for task in tasks:
+ stats = self._recv().split(',')
+ if 'is not measuring' in stats[0]:
+ continue
+ if stats[0].startswith('error'):
+ log.critical("lat stats error: unexpected reply from PROX (potential incompatibility between scripts and PROX)")
+ raise Exception("lat stats error")
+ number_tasks_returning_stats += 1
+ min_lat = min(int(stats[0]),min_lat)
+ max_lat = max(int(stats[1]),max_lat)
+ avg_lat += int(stats[2])
+ #min_since begin = int(stats[3])
+ #max_since_begin = int(stats[4])
+ tsc = int(stats[5]) # Taking the last tsc as the timestamp since PROX will return the same tsc for each core/task combination
+ hz = int(stats[6])
+ #coreid = int(stats[7])
+ #taskid = int(stats[8])
+ stats = self._recv().split(':')
+ if stats[0].startswith('error'):
+ log.critical("lat stats error: unexpected lat bucket reply (potential incompatibility between scripts and PROX)")
+ raise Exception("lat bucket reply error")
+ buckets[0] = int(stats[1])
+ for i in range(1, 128):
+ stats = self._recv().split(':')
+ buckets[i] = int(stats[1])
+ avg_lat = avg_lat/number_tasks_returning_stats
+ self._send('stats latency(0).used')
+ used = float(self._recv())
+ self._send('stats latency(0).total')
+ total = float(self._recv())
+ return min_lat, max_lat, avg_lat, (used/total), tsc, hz, buckets
+
+ def old_lat_stats(self, cores, tasks=[0]):
+ min_lat = 999999999
+ max_lat = avg_lat = 0
+ number_tasks_returning_stats = 0
+ buckets = [0] * 128
self._send('lat stats %s %s' % (','.join(map(str, cores)), ','.join(map(str, tasks))))
for core in cores:
for task in tasks:
min_lat = min(int(stats[0]),min_lat)
max_lat = max(int(stats[1]),max_lat)
avg_lat += int(stats[2])
+ #min_since begin = int(stats[3])
+ #max_since_begin = int(stats[4])
+ tsc = int(stats[5])
+ hz = int(stats[6])
+ #coreid = int(stats[7])
+ #taskid = int(stats[8])
avg_lat = avg_lat/number_tasks_returning_stats
self._send('stats latency(0).used')
used = float(self._recv())
self._send('stats latency(0).total')
total = float(self._recv())
- return min_lat, max_lat, avg_lat, (used/total)
+ return min_lat, max_lat, avg_lat, (used/total), tsc, hz, buckets
def irq_stats(self, core, bucket, task=0):
self._send('stats task.core(%s).task(%s).irq(%s)' % (core, task, bucket))
hz = int(stats[7])
return rx, rx_non_dp, tx, tx_non_dp, drop, tx_fail, tsc, hz
+ def multi_port_stats(self, ports=[0]):
+ rx = tx = port_id = tsc = no_mbufs = errors = 0
+ self._send('multi port stats %s' % (','.join(map(str, ports))))
+ result = self._recv().split(';')
+ if result[0].startswith('error'):
+ log.critical("multi port stats error: unexpected invalid syntax (potential incompatibility between scripts and PROX)")
+ raise Exception("multi port stats error")
+ for statistics in result:
+ stats = statistics.split(',')
+ port_id = int(stats[0])
+ rx += int(stats[1])
+ tx += int(stats[2])
+ no_mbufs += int(stats[3])
+ errors += int(stats[4])
+ tsc = int(stats[5])
+ return rx, tx, no_mbufs, errors, tsc
+
def set_random(self, cores, task, offset, mask, length):
self._send('set random %s %s %s %s %s' % (','.join(map(str, cores)), task, offset, mask, length))