From 158e726dc77162cc6561e4f08c08c87850af91b9 Mon Sep 17 00:00:00 2001
From: Darren Ranalli <github@dranalli.com>
Date: Tue, 21 Oct 2008 02:23:01 +0000
Subject: [PATCH] prevent false positives caused by zero-duration profiles

---
 direct/src/task/TaskProfiler.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/direct/src/task/TaskProfiler.py b/direct/src/task/TaskProfiler.py
index bb788cbe86..c21432f504 100755
--- a/direct/src/task/TaskProfiler.py
+++ b/direct/src/task/TaskProfiler.py
@@ -46,8 +46,13 @@ class TaskTracker:
                 self.notify.info(s)
         return isSpike
     def addProfileSession(self, session):
-        isSpike = self._checkSpike(session)
         duration = session.getDuration()
+        if duration == 0.:
+            # profiled code was too fast for the clock, throw this result out
+            # if we keep it we may get many false positive spike detects
+            return
+
+        isSpike = self._checkSpike(session)
         self._durationAverager.addValue(duration)
 
         storeAvg = True