diff options
Diffstat (limited to 'synapse/util/metrics.py')
| -rw-r--r-- | synapse/util/metrics.py | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py index 1ba7d65c7c..97f1267380 100644 --- a/synapse/util/metrics.py +++ b/synapse/util/metrics.py @@ -13,14 +13,14 @@ # See the License for the specific language governing permissions and # limitations under the License. -from twisted.internet import defer +import logging +from functools import wraps from prometheus_client import Counter -from synapse.util.logcontext import LoggingContext -from functools import wraps -import logging +from twisted.internet import defer +from synapse.util.logcontext import LoggingContext logger = logging.getLogger(__name__) @@ -60,10 +60,9 @@ 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_sec", "db_sched_duration_sec", + "clock", "name", "start_context", "start", "created_context", + "start_usage", ] def __init__(self, clock, name): @@ -81,10 +80,7 @@ class Measure(object): self.start_context.__enter__() self.created_context = True - 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_sec = self.start_context.db_txn_duration_sec - self.db_sched_duration_sec = self.start_context.db_sched_duration_sec + self.start_usage = self.start_context.get_resource_usage() def __exit__(self, exc_type, exc_val, exc_tb): if isinstance(exc_type, Exception) or not self.start_context: @@ -108,15 +104,19 @@ class Measure(object): logger.warn("Expected context. (%r)", self.name) return - ru_utime, ru_stime = context.get_resource_usage() - - block_ru_utime.labels(self.name).inc(ru_utime - self.ru_utime) - block_ru_stime.labels(self.name).inc(ru_stime - self.ru_stime) - block_db_txn_count.labels(self.name).inc(context.db_txn_count - self.db_txn_count) - block_db_txn_duration.labels(self.name).inc( - context.db_txn_duration_sec - self.db_txn_duration_sec) - block_db_sched_duration.labels(self.name).inc( - context.db_sched_duration_sec - self.db_sched_duration_sec) + current = context.get_resource_usage() + usage = current - self.start_usage + try: + block_ru_utime.labels(self.name).inc(usage.ru_utime) + block_ru_stime.labels(self.name).inc(usage.ru_stime) + block_db_txn_count.labels(self.name).inc(usage.db_txn_count) + block_db_txn_duration.labels(self.name).inc(usage.db_txn_duration_sec) + block_db_sched_duration.labels(self.name).inc(usage.db_sched_duration_sec) + except ValueError: + logger.warn( + "Failed to save metrics! OLD: %r, NEW: %r", + self.start_usage, current + ) if self.created_context: self.start_context.__exit__(exc_type, exc_val, exc_tb) |