Thanks everyone for the various answers. The culprit was indeed "cpuspeed". I don't know how I overlooked that.
Next question is, is it a good idea to run the "cpuspeed" service? Any negative effects seen such as the CPU speed not ramping up properly etc? Thanks in advance. Win > Date: Tue, 31 May 2011 09:57:46 -0700 > From: Paul Krizak <[email protected]> > To: <[email protected]> > Subject: Re: [rhelv5-list] Seeing different CPU speeds > Message-ID: <[email protected]> > Content-Type: text/plain; charset="ISO-8859-1"; format=flowed > > Do you have cpuspeed running? The CPU is probably throttling down due > to inactivity. > > [skaven@plump ~]$ service cpuspeed status > Frequency scaling enabled using ondemand governor > [skaven@plump ~]$ cat /proc/cpuinfo | grep -A2 Opteron > model name : Dual-Core AMD Opteron(tm) Processor 1222 > stepping : 3 > cpu MHz : 1000.000 > > The Opteron 1222 is a 3.0Ghz processor -- it runs at 1.0Ghz when idle. > > Paul Krizak 7171 Southwest Pkwy MS B200.3A > MTS Systems Engineer Austin, TX 78735 > Advanced Micro Devices Desk: (512) 602-8775 > Linux/Unix Systems Engineering Cell: (512) 791-0686 > Global IT Infrastructure Fax: (512) 602-0468 > > On 05/31/2011 09:40 AM, Win Htin wrote: >> Hi folks, >> >> When I do cat /proc/cpuinfo on my IBM HS-22 blade servers I see: >> >> model name : Intel(R) Xeon(R) CPU X5670 @ 2.93GHz >> cpu MHz : 1596.000 >> >> where as on the older HS-21 servers I see: >> >> model name : Intel(R) Xeon(R) CPU E5440 @ 2.83GHz >> cpu MHz : 2833.505 >> >> Why do I see the cpu MHz to be a lot less on the HS-22 than what the >> model name info represents? Any ideas? >> >> Thanks in advance. >> Win >> _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
