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6526682: JConsole shows negative CPU Usage
authornloodin
Mon, 03 Jun 2013 16:13:44 +0200
changeset 17932 d8056188ed21
parent 17931 765c1e9a498a
child 17933 b18cda672b79
6526682: JConsole shows negative CPU Usage Reviewed-by: alanb, mchung
jdk/src/share/classes/sun/tools/jconsole/SummaryTab.java file | annotate | diff | comparison | revisions 
--- a/jdk/src/share/classes/sun/tools/jconsole/SummaryTab.java	Mon Jun 03 10:45:11 2013 +0200
+++ b/jdk/src/share/classes/sun/tools/jconsole/SummaryTab.java	Mon Jun 03 16:13:44 2013 +0200
@@ -360,6 +360,8 @@
                     Math.min(99F,
                              elapsedCpu / (elapsedTime * 10000F * result.nCPUs));
 
+                cpuUsage = Math.max(0F, cpuUsage);
+
                 getPlotter().addValues(result.timeStamp,
                                 Math.round(cpuUsage * Math.pow(10.0, CPU_DECIMALS)));
                 getInfoLabel().setText(Resources.format(Messages.CPU_USAGE_FORMAT,
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