Messages in this thread Patch in this message |  | | From | "Feldman, Scott" <> | Subject | RE: Early SPECWeb99 results on 2.5.33 with TSO on e1000 | Date | Thu, 5 Sep 2002 13:47:36 -0700 |
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Troy Wilson wrote: > I've got some early SPECWeb [*] results with 2.5.33 and TSO > on e1000. I get 2906 simultaneous connections, 99.2% > conforming (i.e. faster than the 320 kbps cutoff), at 0% idle > with TSO on. For comparison, with 2.5.25, I > got 2656, and with 2.5.29 I got 2662, (both 99+% conformance > and 0% idle) so TSO and 2.5.33 look like a Big Win.
A 10% bump is good. Thanks for running the numbers.
> I'm having trouble testing with TSO off (I changed the > #define NETIF_F_TSO to "0" in include/linux/netdevice.h to > turn it off). I am getting errors.
Sorry, I should have made a CONFIG switch. Just hack the driver for now to turn it off:
--- linux-2.5/drivers/net/e1000/e1000_main.c Fri Aug 30 19:26:57 2002 +++ linux-2.5-no_tso/drivers/net/e1000/e1000_main.c Thu Sep 5 13:38:44 2002 @@ -428,9 +428,11 @@ e1000_probe(struct pci_dev *pdev, } #ifdef NETIF_F_TSO +#if 0 if(adapter->hw.mac_type >= e1000_82544) netdev->features |= NETIF_F_TSO; #endif +#endif if(pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; -scott - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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