Merge pull request #55 from matrix-org/profiling

Profiling
This commit is contained in:
Erik Johnston 2015-02-09 15:01:26 +00:00
commit 76c5a5c2f6
6 changed files with 60 additions and 6 deletions

View File

@ -67,7 +67,7 @@ class SynapseHomeServer(HomeServer):
return ClientV2AlphaRestResource(self)
def build_resource_for_federation(self):
return JsonResource()
return JsonResource(self)
def build_resource_for_web_client(self):
syweb_path = os.path.dirname(syweb.__file__)
@ -274,6 +274,8 @@ def setup():
hs.get_pusherpool().start()
hs.get_datastore().start_profiling()
if config.daemonize:
print config.pid_file
daemon = Daemonize(

View File

@ -69,9 +69,10 @@ class JsonResource(HttpServer, resource.Resource):
_PathEntry = collections.namedtuple("_PathEntry", ["pattern", "callback"])
def __init__(self):
def __init__(self, hs):
resource.Resource.__init__(self)
self.clock = hs.get_clock()
self.path_regexs = {}
def register_path(self, method, path_pattern, callback):
@ -111,6 +112,7 @@ class JsonResource(HttpServer, resource.Resource):
This checks if anyone has registered a callback for that method and
path.
"""
code = None
try:
# Just say yes to OPTIONS.
if request.method == "OPTIONS":
@ -130,6 +132,13 @@ class JsonResource(HttpServer, resource.Resource):
urllib.unquote(u).decode("UTF-8") for u in m.groups()
]
logger.info(
"Received request: %s %s",
request.method, request.path
)
start = self.clock.time_msec()
code, response = yield path_entry.callback(
request,
*args
@ -145,9 +154,11 @@ class JsonResource(HttpServer, resource.Resource):
logger.info("%s SynapseError: %s - %s", request, e.code, e.msg)
else:
logger.exception(e)
code = e.code
self._send_response(
request,
e.code,
code,
cs_exception(e),
response_code_message=e.response_code_message
)
@ -158,6 +169,14 @@ class JsonResource(HttpServer, resource.Resource):
500,
{"error": "Internal server error"}
)
finally:
code = str(code) if code else "-"
end = self.clock.time_msec()
logger.info(
"Processed request: %dms %s %s %s",
end-start, code, request.method, request.path
)
def _send_response(self, request, code, response_json_object,
response_code_message=None):

View File

@ -25,7 +25,7 @@ class ClientV1RestResource(JsonResource):
"""A resource for version 1 of the matrix client API."""
def __init__(self, hs):
JsonResource.__init__(self)
JsonResource.__init__(self, hs)
self.register_servlets(self, hs)
@staticmethod

View File

@ -25,7 +25,7 @@ class ClientV2AlphaRestResource(JsonResource):
"""A resource for version 2 alpha of the matrix client API."""
def __init__(self, hs):
JsonResource.__init__(self)
JsonResource.__init__(self, hs)
self.register_servlets(self, hs)
@staticmethod

View File

@ -85,6 +85,28 @@ class SQLBaseStore(object):
self._db_pool = hs.get_db_pool()
self._clock = hs.get_clock()
self._previous_txn_total_time = 0
self._current_txn_total_time = 0
self._previous_loop_ts = 0
def start_profiling(self):
self._previous_loop_ts = self._clock.time_msec()
def loop():
curr = self._current_txn_total_time
prev = self._previous_txn_total_time
self._previous_txn_total_time = curr
time_now = self._clock.time_msec()
time_then = self._previous_loop_ts
self._previous_loop_ts = time_now
ratio = (curr - prev)/(time_now - time_then)
logger.info("Total database time: %.3f%%", ratio * 100)
self._clock.looping_call(loop, 10000)
@defer.inlineCallbacks
def runInteraction(self, desc, func, *args, **kwargs):
"""Wraps the .runInteraction() method on the underlying db_pool."""
@ -114,6 +136,9 @@ class SQLBaseStore(object):
"[TXN END] {%s} %f",
name, end - start
)
self._current_txn_total_time += end - start
with PreserveLoggingContext():
result = yield self._db_pool.runInteraction(
inner_func, *args, **kwargs

View File

@ -15,7 +15,7 @@
from synapse.util.logcontext import LoggingContext
from twisted.internet import reactor
from twisted.internet import reactor, task
import time
@ -35,6 +35,14 @@ class Clock(object):
"""Returns the current system time in miliseconds since epoch."""
return self.time() * 1000
def looping_call(self, f, msec):
l = task.LoopingCall(f)
l.start(msec/1000.0, now=False)
return l
def stop_looping_call(self, loop):
loop.stop()
def call_later(self, delay, callback):
current_context = LoggingContext.current_context()