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check_speed: measure RTT, report per-file times as a multiple of RTT

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This commit is contained in:
Brian Warner 2007-09-26 13:07:33 -07:00
parent c301b41f50
commit 3fcee101ee
1 changed files with 20 additions and 1 deletions
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21
src/allmydata/test/check_speed.py
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@ -67,13 +67,28 @@ class SpeedTest:
d.addCallback(self.record_times, name)
return d
# TODO: use RIClient.get_nodeid() to measure the foolscap-level RTT
def measure_rtt(self, res):
# use RIClient.get_nodeid() to measure the foolscap-level RTT
d = self.client_rref.callRemote("measure_peer_response_time")
def _got(res):
assert len(res) # need at least one peer
times = res.values()
self.total_rtt = sum(times)
self.average_rtt = sum(times) / len(times)
self.max_rtt = max(times)
print "num-peers: %d" % len(times)
print "total-RTT: %f" % self.total_rtt
print "average-RTT: %f" % self.average_rtt
print "max-RTT: %f" % self.max_rtt
d.addCallback(_got)
return d
def do_test(self):
print "doing test"
rr = self.client_rref
d = defer.succeed(None)
d.addCallback(self.one_test, "startup", 1, 1000) # ignore this one
d.addCallback(self.measure_rtt)
d.addCallback(self.one_test, "1x 200B", 1, 200)
d.addCallback(self.one_test, "10x 200B", 10, 200)
def _maybe_do_100x_200B(res):
@ -103,6 +118,8 @@ class SpeedTest:
else:
B = self.upload_times["10x 200B"] / 10
print "upload per-file time: %.3fs" % B
print "upload per-file times-avg-RTT: %f" % (B / self.average_rtt)
print "upload per-file times-total-RTT: %f" % (B / self.total_rtt)
A1 = 1*MB / (self.upload_times["1MB"] - B) # in bytes per second
print "upload speed (1MB):", self.number(A1, "Bps")
A2 = 10*MB / (self.upload_times["10MB"] - B)
@ -117,6 +134,8 @@ class SpeedTest:
else:
B = self.download_times["10x 200B"] / 10
print "download per-file time: %.3fs" % B
print "download per-file times-avg-RTT: %f" % (B / self.average_rtt)
print "download per-file times-total-RTT: %f" % (B / self.total_rtt)
A1 = 1*MB / (self.download_times["1MB"] - B) # in bytes per second
print "download speed (1MB):", self.number(A1, "Bps")
A2 = 10*MB / (self.download_times["10MB"] - B)