Exemple #1
0
def getCpuUsage():
  global lastUsage, lastUsageTime

  rusage = getrusage(RUSAGE_SELF)
  currentUsage = rusage.ru_utime + rusage.ru_stime
  currentTime = time.time()

  usageDiff = currentUsage - lastUsage
  timeDiff = currentTime - lastUsageTime

  if timeDiff == 0: #shouldn't be possible, but I've actually seen a ZeroDivisionError from this
    timeDiff = 0.000001

  cpuUsagePercent = (usageDiff / timeDiff) * 100.0

  lastUsage = currentUsage
  lastUsageTime = currentTime

  return cpuUsagePercent
Exemple #2
0
import time
import socket
import platform
import crossplatform
from crossplatform import getrusage, RUSAGE_SELF


from twisted.application.service import Service
from twisted.internet.task import LoopingCall
from carbon.conf import settings


stats = {}
HOSTNAME = socket.gethostname().replace('.','_')
PAGESIZE = crossplatform.sysconf('SC_PAGESIZE')
rusage = getrusage(RUSAGE_SELF)
lastUsage = rusage.ru_utime + rusage.ru_stime
lastUsageTime = time.time()

# NOTE: Referencing settings in this *top level scope* will
# give you *defaults* only. Probably not what you wanted.

# TODO(chrismd) refactor the graphite metrics hierarchy to be cleaner,
# more consistent, and make room for frontend metrics.
#metric_prefix = "Graphite.backend.%(program)s.%(instance)s." % settings


def increment(stat, increase=1):
  try:
    stats[stat] += increase
  except KeyError: