Merge pull request #555 from matrix-org/erikj/logcontext

Allowing tagging log contexts
This commit is contained in:
Erik Johnston 2016-02-03 15:20:00 +00:00
commit c8e4d5de7f
3 changed files with 42 additions and 16 deletions

View File

@ -18,6 +18,7 @@ from ._base import BaseHandler
from synapse.streams.config import PaginationConfig
from synapse.api.constants import Membership, EventTypes
from synapse.util import unwrapFirstError
from synapse.util.logcontext import LoggingContext
from twisted.internet import defer
@ -140,6 +141,15 @@ class SyncHandler(BaseHandler):
A Deferred SyncResult.
"""
context = LoggingContext.current_context()
if context:
if since_token is None:
context.tag = "initial_sync"
elif full_state:
context.tag = "full_state_sync"
else:
context.tag = "incremental_sync"
if timeout == 0 or since_token is None or full_state:
# we are going to return immediately, so don't bother calling
# notifier.wait_for_events.

View File

@ -41,7 +41,7 @@ metrics = synapse.metrics.get_metrics_for(__name__)
incoming_requests_counter = metrics.register_counter(
"requests",
labels=["method", "servlet"],
labels=["method", "servlet", "tag"],
)
outgoing_responses_counter = metrics.register_counter(
"responses",
@ -50,23 +50,23 @@ outgoing_responses_counter = metrics.register_counter(
response_timer = metrics.register_distribution(
"response_time",
labels=["method", "servlet"]
labels=["method", "servlet", "tag"]
)
response_ru_utime = metrics.register_distribution(
"response_ru_utime", labels=["method", "servlet"]
"response_ru_utime", labels=["method", "servlet", "tag"]
)
response_ru_stime = metrics.register_distribution(
"response_ru_stime", labels=["method", "servlet"]
"response_ru_stime", labels=["method", "servlet", "tag"]
)
response_db_txn_count = metrics.register_distribution(
"response_db_txn_count", labels=["method", "servlet"]
"response_db_txn_count", labels=["method", "servlet", "tag"]
)
response_db_txn_duration = metrics.register_distribution(
"response_db_txn_duration", labels=["method", "servlet"]
"response_db_txn_duration", labels=["method", "servlet", "tag"]
)
@ -226,7 +226,6 @@ class JsonResource(HttpServer, resource.Resource):
servlet_classname = servlet_instance.__class__.__name__
else:
servlet_classname = "%r" % callback
incoming_requests_counter.inc(request.method, servlet_classname)
args = [
urllib.unquote(u).decode("UTF-8") if u else u for u in m.groups()
@ -237,21 +236,33 @@ class JsonResource(HttpServer, resource.Resource):
code, response = callback_return
self._send_response(request, code, response)
response_timer.inc_by(
self.clock.time_msec() - start, request.method, servlet_classname
)
try:
context = LoggingContext.current_context()
tag = ""
if context:
tag = context.tag
incoming_requests_counter.inc(request.method, servlet_classname, tag)
response_timer.inc_by(
self.clock.time_msec() - start, request.method,
servlet_classname, tag
)
ru_utime, ru_stime = context.get_resource_usage()
response_ru_utime.inc_by(ru_utime, request.method, servlet_classname)
response_ru_stime.inc_by(ru_stime, request.method, servlet_classname)
response_ru_utime.inc_by(
ru_utime, request.method, servlet_classname, tag
)
response_ru_stime.inc_by(
ru_stime, request.method, servlet_classname, tag
)
response_db_txn_count.inc_by(
context.db_txn_count, request.method, servlet_classname
context.db_txn_count, request.method, servlet_classname, tag
)
response_db_txn_duration.inc_by(
context.db_txn_duration, request.method, servlet_classname
context.db_txn_duration, request.method, servlet_classname, tag
)
except:
pass

View File

@ -47,7 +47,8 @@ class LoggingContext(object):
"""
__slots__ = [
"parent_context", "name", "usage_start", "usage_end", "main_thread", "__dict__"
"parent_context", "name", "usage_start", "usage_end", "main_thread",
"__dict__", "tag",
]
thread_local = threading.local()
@ -72,6 +73,9 @@ class LoggingContext(object):
def add_database_transaction(self, duration_ms):
pass
def __nonzero__(self):
return False
sentinel = Sentinel()
def __init__(self, name=None):
@ -83,6 +87,7 @@ class LoggingContext(object):
self.db_txn_duration = 0.
self.usage_start = None
self.main_thread = threading.current_thread()
self.tag = ""
def __str__(self):
return "%s@%x" % (self.name, id(self))