Try to set the following Registry parameters under the HCA's <HW_key>\Interrupt Management\Affinity Policy: DevicePolicy to 4 AssignmentSetOverride to the Affinity required, say 1.
Then restart the driver. > -----Original Message----- > From: [email protected] [mailto:ofw- > [email protected]] On Behalf Of Prasanna Kumar > Sent: Wednesday, December 15, 2010 6:56 PM > To: [email protected] > Subject: [ofw] interrupt affinity > > Hi, > The WOF stack in my environment uses WinVerbs on top of mlx4_hca.sys > (MLX4\ConnectX_Hca device) driver. > I observe typically the HCA interrupts are distributed across 2 > processors in the system during seamless bidirectional IO. Please let > me > know if you have clue to set the HCA interrupt affinity to a single > processor so that all the interrupts directed to the same processor. > > Regards, > Prasanna > > _______________________________________________ > ofw mailing list > [email protected] > http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw _______________________________________________ ofw mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw
