Re: [microblaze-uclinux] slow performance on XUP V2P

[iclough@xxxxxxxxxxxxxx]

Hi David.

I noticed that your calibration loop reports 2.98 BogoMIPS.

Have you accidentally set your Core Clock Frequency to 1/10 of what it should
be? ie. 66666667 and 6666667 look quite similar but they're not.

Hope this helps
Ian

Quoting "Deli Geng (David)" <deli.geng@xxxxxxxxxxxx>:

> Hi,
>
> I got a uClinux/MB up and running on the XUP V2P board. However, I feel the
> system is rather slow. The ping to the network interface is like,
>
> Reply from 192.168.1.103: bytes=32 time=8ms TTL=64
> Reply from 192.168.1.103: bytes=32 time=8ms TTL=64
> Reply from 192.168.1.103: bytes=32 time=8ms TTL=64
> Reply from 192.168.1.103: bytes=32 time=8ms TTL=64
>
> which I think it should be less than 1ms.
>
> Also, when I type "ls", it takes seconds to response. But the file system
> runs from RAM, how comes the delay?
>
> I wondered if I made any mistake in the configuration or the uClinux/MB is
> normally such slow.
>
> Cheers
>
> Deli
>
> PS. The boot log
>
> Linux version 2.4.31-uc0 (deli@aipc43) (gcc version 2.95.3-4 Xilinx EDK 6.3
> Build EDK_Gmm.12.2) #47 Mon Dec 5 12:04:37 GMT 2005
> On node 0 totalpages: 131072
> zone(0): 131072 pages.
> zone(1): 0 pages.
> zone(2): 0 pages.
> CPU: MICROBLAZE
> Kernel command line: Ÿõ�ä�âL�âl�zñü
> Console: xmbserial on UARTLite
> Calibrating delay loop... 2.98 BogoMIPS

Snipped



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