add back CPU metrics

This commit is contained in:
Amber Brown 2018-05-23 13:03:56 -05:00
parent e987079037
commit 472a5ec4e2

View File

@ -17,6 +17,7 @@ import logging
import functools
import time
import gc
import os
import platform
import attr
@ -81,6 +82,38 @@ class LaterGauge(object):
all_gauges[self.name] = self
#
# 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],
)