On Wed, 23 Sep 2009 09:11:49 -0600 Jason Gunthorpe <jguntho...@obsidianresearch.com> wrote:
> On Wed, Sep 23, 2009 at 12:01:02PM +0300, Moni Shoua wrote: > > > > If I try to run any IB bandwidth test or latency test it end us with > > > warning > > > "Conflicting CPU frequency values detected: 2394.000000 != 1596.000000". > > > One more option to solve it (besides the -F) is to disable the power > > saving of the CPU. In the power saving mode not all CPUs operate at > > the same Hz/sec rate (cycle rate) and this is the reason for the > > conflict. Disabling the power saving mode is done in the BIOS and > > it is sometimes called economy mode or performance mode (the other > > side of the trade off) > > This whole thing should just be removed. x86-64 linux has a VDSO > clock_gettime(CLOCK_MONOTONIC) that is fast, doesn't trap into the > kernel, and doesn't suffer from these problems. What about other architectures? I would be willing to do a quick patch but... Ira > > Jason > _______________________________________________ > general mailing list > general@lists.openfabrics.org > http://*lists.openfabrics.org/cgi-bin/mailman/listinfo/general > > To unsubscribe, please visit > http://*openib.org/mailman/listinfo/openib-general > -- Ira Weiny Math Programmer/Computer Scientist Lawrence Livermore National Lab 925-423-8008 wei...@llnl.gov _______________________________________________ general mailing list general@lists.openfabrics.org http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
