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Make all connections write a time profile file for debugging issue #70.

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This commit is contained in:
joo 2017-09-24 07:03:40 +01:00
parent 88a5fdc637
commit 31e5d3ff2c
1 changed files with 42 additions and 0 deletions
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42
minecraft/networking/connection.py
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@ -394,7 +394,26 @@ class NetworkingThread(threading.Thread):
self.previous_thread = None self.previous_thread = None
self.connection.networking_thread = self self.connection.networking_thread = self
prof_filename = '.'.join((
'pyCraft-profile',
self.connection.options.address,
str(self.connection.options.port),
str(__import__('os').getpid()),
'%x' % id(self.connection),
'json'))
prof = __import__('collections').OrderedDict({
'iterations': 0,
'reads': 0,
'writes': 0,
'read_time': 0.0,
'write_time': 0.0,
'sleep_time': 0.0,
})
prof_last_report = timeit.default_timer()
while not self.interrupt: while not self.interrupt:
prof_start = timeit.default_timer()
# Attempt to write out as many as 300 packets as possible every # Attempt to write out as many as 300 packets as possible every
# 0.05 seconds (20 ticks per second) # 0.05 seconds (20 ticks per second)
num_packets = 0 num_packets = 0
@ -409,6 +428,10 @@ class NetworkingThread(threading.Thread):
exc_info = sys.exc_info() exc_info = sys.exc_info()
self.connection._write_lock.release() self.connection._write_lock.release()
prof['write_time'] += timeit.default_timer() - prof_start
prof['writes'] += num_packets
prof_start = timeit.default_timer()
# Read and react to as many as 50 packets # Read and react to as many as 50 packets
num_packets = 0 num_packets = 0
while num_packets < 50 and not self.interrupt: while num_packets < 50 and not self.interrupt:
@ -437,8 +460,27 @@ class NetworkingThread(threading.Thread):
if exc_info is not None: if exc_info is not None:
raise_(*exc_info) raise_(*exc_info)
prof['read_time'] += timeit.default_timer() - prof_start
prof['reads'] += num_packets
prof_start = timeit.default_timer()
time.sleep(0.05) time.sleep(0.05)
prof_now = timeit.default_timer()
prof['sleep_time'] += prof_now - prof_start
prof['iterations'] += 1
# Write a profiling report every 5 minutes.
if prof_now - prof_last_report > 300:
prof['iter_reads'] = prof['reads']/prof['iterations']
prof['iter_writes'] = prof['writes']/prof['iterations']
prof['iter_read_time'] = prof['read_time']/prof['iterations']
prof['iter_write_time'] = prof['write_time']/prof['iterations']
prof['iter_sleep_time'] = prof['sleep_time']/prof['iterations']
with open(prof_filename, 'w') as file:
json.dump(prof, file, indent=4)
prof_last_report = prof_now
class IgnorePacket(Exception): class IgnorePacket(Exception):
""" """