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frame-profiler-debug -> frequent-frame-profiles, limit number of profile loggings in one frame

This commit is contained in:
Darren Ranalli 2008-11-04 21:02:16 +00:00
parent 3ce749688f
commit 5dbeaa689a
1 changed files with 25 additions and 5 deletions
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30
direct/src/task/FrameProfiler.py
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@ -1,11 +1,13 @@
from direct.directnotify.DirectNotifyGlobal import directNotify
from direct.fsm.StatePush import FunctionCall
from direct.showbase.PythonUtil import formatTimeExact, normalDistrib
from direct.task import Task
class FrameProfiler:
notify = directNotify.newCategory('FrameProfiler')
# for precision, all times related to the profile/log schedule are stored as integers
# because of precision requirements, all times related to the profile/log
# schedule are stored as integers
Minute = 60
Hour = 60 * Minute
Day = 24 * Hour
@ -14,7 +16,7 @@ class FrameProfiler:
Hour = FrameProfiler.Hour
# how long to wait between frame profiles
self._period = 2 * FrameProfiler.Minute
if config.GetBool('frame-profiler-debug', 0):
if config.GetBool('frequent-frame-profiles', 0):
self._period = 1 * FrameProfiler.Minute
# used to prevent profile from being taken exactly every 'period' seconds
self._jitterMagnitude = self._period * .75
@ -26,7 +28,7 @@ class FrameProfiler:
12 * FrameProfiler.Hour,
1 * FrameProfiler.Day,
] # day schedule proceeds as 1, 2, 4, 8 days, etc.
if config.GetBool('frame-profiler-debug', 0):
if config.GetBool('frequent-frame-profiles', 0):
self._logSchedule = [ 1 * FrameProfiler.Minute,
4 * FrameProfiler.Minute,
12 * FrameProfiler.Minute,
@ -113,6 +115,18 @@ class FrameProfiler:
Functor(self._doAnalysis, sessionId), 'FrameProfilerAnalysis-%s' % sessionId)
def _doAnalysis(self, sessionId, task):
if hasattr(task, '_generator'):
gen = task._generator
else:
gen = self._doAnalysisGen(sessionId)
task._generator = gen
result = gen.next()
if result == Task.done:
del task._generator
return result
def _doAnalysisGen(self, sessionId):
# generator to limit max number of profile loggings per frame
p2ap = self._period2aggregateProfile
self._id2task.pop(sessionId)
@ -131,14 +145,21 @@ class FrameProfiler:
session.release()
session = None
counter = 0
# log profiles when it's time, and aggregate them upwards into the
# next-longer profile
for pi in xrange(len(self._logSchedule)):
period = self._logSchedule[pi]
if (self._timeElapsed % period) == 0:
if period in p2ap:
# delay until the next frame if we've already processed N profiles this frame
if counter >= 3:
counter = 0
yield Task.cont
self.notify.info('aggregate profile of sampled frames over last %s\n%s' %
(formatTimeExact(period), p2ap[period].getResults()))
counter += 1
# aggregate this profile into the next larger profile
nextIndex = pi + 1
if nextIndex >= len(self._logSchedule):
@ -161,5 +182,4 @@ class FrameProfiler:
# periods are multiples of this one
break
return task.done
yield Task.done