Server Performance Report show no data

[sofcall]

Hi all.
When i click report ; Server Performance Report.
and choose the Date/Time Range and click submit

It only gives me information about total calls in/out
and total off hook
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Server Performance Report 2012-02-21 12:23:55
Time range: 2012-02-20 09:00:00 to 2012-02-20 15:30:00

---------- TOTALS, PEAKS and AVERAGES
Total Calls in/out on this server: 3215
Total Off-Hook time on this server (min): 1289.42
Average/Peak channels in use for server: /
Average/Peak load for server: /
Average USER process cpu percentage: %
Average SYSTEM process cpu percentage: %
Average IDLE process cpu percentage: %

---------- LINE GRAPH:
rows: 0 tick: 5 minutes scale: 1 minute

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thank you

[gardo]

Have you enabled the "System Performance" settings to "Y"? You can find that in Admin -> Servers.

[sofcall]

Thank you very much .it works now.it was me who disabled it before.