diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py
index d25629cc50..059bb7fedf 100644
--- a/synapse/util/metrics.py
+++ b/synapse/util/metrics.py
@@ -80,6 +80,11 @@ block_db_txn_duration = metrics.register_counter(
),
)
+# seconds spent waiting for a db connection, in this block
+block_db_sched_duration = metrics.register_counter(
+ "block_db_sched_duration_seconds", labels=["block_name"],
+)
+
def measure_func(name):
def wrapper(func):
@@ -96,7 +101,9 @@ def measure_func(name):
class Measure(object):
__slots__ = [
"clock", "name", "start_context", "start", "new_context", "ru_utime",
- "ru_stime", "db_txn_count", "db_txn_duration_ms", "created_context"
+ "ru_stime",
+ "db_txn_count", "db_txn_duration_ms", "db_sched_duration_ms",
+ "created_context",
]
def __init__(self, clock, name):
@@ -117,6 +124,7 @@ class Measure(object):
self.ru_utime, self.ru_stime = self.start_context.get_resource_usage()
self.db_txn_count = self.start_context.db_txn_count
self.db_txn_duration_ms = self.start_context.db_txn_duration_ms
+ self.db_sched_duration_ms = self.start_context.db_sched_duration_ms
def __exit__(self, exc_type, exc_val, exc_tb):
if isinstance(exc_type, Exception) or not self.start_context:
@@ -149,6 +157,10 @@ class Measure(object):
(context.db_txn_duration_ms - self.db_txn_duration_ms) / 1000.,
self.name
)
+ block_db_sched_duration.inc_by(
+ (context.db_sched_duration_ms - self.db_sched_duration_ms) / 1000.,
+ self.name
+ )
if self.created_context:
self.start_context.__exit__(exc_type, exc_val, exc_tb)
|
