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[Xen-users] oprofile samples


  • To: "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "john bryant" <bryant.johan@xxxxxxxxx>
  • Date: Tue, 1 Apr 2008 16:00:39 -0400
  • Delivery-date: Tue, 01 Apr 2008 13:01:13 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi all,

I have collected system samples using oprofile for period of 2 minutes. My system is pentium 4, 2GHz. For events like CPU UNHALTED CYCLES, I used a event count as 10,000.  No of samples i gathered during 2 minutes execution is x. Hence, total cycles consumed in this profiling is 10,000*x

once cycle in my system takes (1/2Ghz) second

So, total time should be 10,000 *x * (1/2Ghz) second. Unfortunately, I am not getting 2 minutes as execution time. Am i doing anything wrong

Thanks in advance
-John
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