>-----Original Message----- >From: tesla-dev-bounces at opensolaris.org [mailto:tesla-dev- >bounces at opensolaris.org] On Behalf Of Mark Haywood >Sent: Monday, July 23, 2007 8:46 PM >To: Aubrey Li >Cc: tesla-dev at opensolaris.org >Subject: Re: [tesla-dev] Power Consumption test > >Aubrey Li wrote: >> Hi list, >> >> I got a chance to measure the power consumption on linux and solaris, >> and of course on the same machine >> The following is the result from the power meter. >> >> 1) Ubuntu 7.04, linux kernel 2.6.20-15, Zero workload. >> No. Watt PF Vol Cur >> 0 375 .871 PF, 237V, 1.816A, >> 1 375 .871 PF, 237V, 1.815A, >> 2 376 .874 PF, 237V, 1.814A, >> 3 375 .871 PF, 237V, 1.816A, >> 4 375 .872 PF, 237V, 1.814A, >> 5 375 .872 PF, 237V, 1.814A, >> 6 376 .874 PF, 237V, 1.815A, >> 7 376 .874 PF, 237V, 1.816A, >> 8 375 .871 PF, 237V, 1.815A, >> 9 375 .872 PF, 237V, 1.814A, >> >> 2) Solaris community express, solaris kernel onnv_b67, Zero workload. >> No. Watt PF Vol Cur >> 0 408 .892 PF, 237V, 1.93A, >> 1 408 .892 PF, 237V, 1.93A, >> 2 408 .900 PF, 236V, 1.93A, >> 3 409 .900 PF, 236V, 1.93A, >> 4 409 .900 PF, 236V, 1.93A, >> 5 408 .900 PF, 236V, 1.93A, >> 6 409 .900 PF, 236V, 1.93A, >> 7 408 .900 PF, 236V, 1.93A, >> 8 410 .900 PF, 236V, 1.94A, >> 9 408 .900 PF, 236V, 1.93A, > >Well with build 67 of Solaris there is no P-state support and no deep >C-state support. Do you know whether the Linux measurement had either of >these enabled?
I checked just now and found both C-state and P-state are enabled in Linux. So it makes no sense to make this comparison. -Aubrey
