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Posted to commits@uima.apache.org by cw...@apache.org on 2014/07/08 17:04:45 UTC
svn commit: r1608823 -
/uima/sandbox/uima-ducc/trunk/uima-ducc-agent/src/main/java/org/apache/uima/ducc/agent/processors/LinuxProcessMetricsProcessor.java
Author: cwiklik
Date: Tue Jul 8 15:04:45 2014
New Revision: 1608823
URL: http://svn.apache.org/r1608823
Log:
UIMA-3937 fix division by zero exception
Modified:
uima/sandbox/uima-ducc/trunk/uima-ducc-agent/src/main/java/org/apache/uima/ducc/agent/processors/LinuxProcessMetricsProcessor.java
Modified: uima/sandbox/uima-ducc/trunk/uima-ducc-agent/src/main/java/org/apache/uima/ducc/agent/processors/LinuxProcessMetricsProcessor.java
URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/uima-ducc-agent/src/main/java/org/apache/uima/ducc/agent/processors/LinuxProcessMetricsProcessor.java?rev=1608823&r1=1608822&r2=1608823&view=diff
==============================================================================
--- uima/sandbox/uima-ducc/trunk/uima-ducc-agent/src/main/java/org/apache/uima/ducc/agent/processors/LinuxProcessMetricsProcessor.java (original)
+++ uima/sandbox/uima-ducc/trunk/uima-ducc-agent/src/main/java/org/apache/uima/ducc/agent/processors/LinuxProcessMetricsProcessor.java Tue Jul 8 15:04:45 2014
@@ -282,9 +282,11 @@ public class LinuxProcessMetricsProcesso
}
// normalize time in running state into seconds
long timeSinceRunningInSeconds = (System.currentTimeMillis() - clockAtStartOfRun)/1000;
- // normalize cpu % usage to report in seconds. Also subtract how much cpu was
- // used during initialization
- percentCPU = 100* ( totalCpuUsage - totalCpuInitUsage )/timeSinceRunningInSeconds;
+ if ( timeSinceRunningInSeconds > 0) { // prevent division by zero
+ // normalize cpu % usage to report in seconds. Also subtract how much cpu was
+ // used during initialization
+ percentCPU = 100* ( totalCpuUsage - totalCpuInitUsage )/timeSinceRunningInSeconds;
+ }
// Publish cumulative CPU usage
process.setCpuTime(percentCPU);