This article was previously published under Q283110
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256986 Description of the Microsoft Windows Registry
In the System Monitor (Sysmon) tool, vertical lines appear that obscure the graph view.
This behavior occurs when there are more than 100 data points to be displayed in chart view.
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On the Edit menu, click New, and then click DWord Value.
Type the following value in the Name box:
Set the value to 1 if you do not want to view the vertical line indicators, or set the value to 0, which is the default setting, to display the vertical indicators.
This behavior is by design.
In the Sysmon tool, only 100 data points can be displayed in the chart view. When there are more than 100 data points, Sysmon buckets the sample data points. Each point that is displayed is represented by the minimum, average, and maximum of the bucket sample, which is represented by a vertical line.
sysmon vertical line display registry performance monitor perfmon