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author | Amber Brown <hawkowl@atleastfornow.net> | 2018-05-23 13:03:56 -0500 |
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committer | Amber Brown <hawkowl@atleastfornow.net> | 2018-05-23 13:03:56 -0500 |
commit | 472a5ec4e208967aaf1368ada321aa54c3cae493 (patch) | |
tree | aa036fb32bf3fcca64301f0f943e8914fa00a700 | |
parent | fixes (diff) | |
download | synapse-472a5ec4e208967aaf1368ada321aa54c3cae493.tar.xz |
add back CPU metrics
-rw-r--r-- | synapse/metrics/__init__.py | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py index 75117915ff..64ad762ff1 100644 --- a/synapse/metrics/__init__.py +++ b/synapse/metrics/__init__.py @@ -17,6 +17,7 @@ import logging import functools import time import gc +import os import platform import attr @@ -82,6 +83,38 @@ class LaterGauge(object): # +# Detailed CPU metrics +# + +class CPUMetrics(object): + + def __init__(self): + ticks_per_sec = 100 + try: + # Try and get the system config + ticks_per_sec = os.sysconf('SC_CLK_TCK') + except (ValueError, TypeError, AttributeError): + pass + + self.ticks_per_sec = ticks_per_sec + + def collect(self): + + with open("/proc/self/stat") as s: + line = s.read() + raw_stats = line.split(") ", 1)[1].split(" ") + + user = GaugeMetricFamily("process_cpu_user_seconds_total", "") + user.add_metric([], float(raw_stats[11]) / self.ticks_per_sec) + yield user + + sys = GaugeMetricFamily("process_cpu_system_seconds_total", "") + sys.add_metric([], float(raw_stats[12]) / self.ticks_per_sec) + yield sys + +REGISTRY.register(CPUMetrics()) + +# # Python GC metrics # @@ -90,7 +123,8 @@ gc_time = Histogram( "python_gc_time", "Time taken to GC (ms)", ["gen"], - buckets=[1, 2, 5, 10, 25, 50, 100, 250, 500, 1000], + buckets=[2.5, 5, 10, 25, 50, 100, 250, 500, 1000, 2500, 5000, 7500, 15000, + 30000, 45000, 60000], ) |