The heading of an sp_sysmon report includes the software version, server name, date, the time the sample interval started, the time it completed, and the duration of the sample interval.
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Sybase Adaptive Server Enterprise System Performance Report
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Server Version: Adaptive Server Enterprise/12.0/P/Sun_svr4/OS 5.6/1548/3
Server Name: tinman
Run Date Sep 20, 1999
Statistics Cleared at 16:05:40
Statistics Sampled at 16:15:40
Sample Interval 00:10:00