Re: [U-Boot] USB storage performance EHCI question - ext2fs performance

2011-01-20 Thread Aaron Williams
I now have some more information on the performance issue. It appears to be filesystem related. If I format the drive as FAT32 I am getting a transfer rate of approximately 10MB/second. However, if I format it as ext3 I am seeing a transfer rate of only 101KB/second! The only difference is th

Re: [U-Boot] USB storage performance EHCI question

2011-01-14 Thread Aaron Williams
On 1/14/2011 1:19 AM, Wolfgang Denk wrote: > Dear Aaron Williams, > > please always keep the ML on cc: > > In message<4d2fa7f0.7020...@caviumnetworks.com> you wrote: >> It is based off of 2010.09 but I have applied all of the latest USB >> updates from GIT with the exception of the multiple LUN su

Re: [U-Boot] USB storage performance EHCI question

2011-01-13 Thread Sergei Shtylyov
Hello. On 13-01-2011 9:09, Wolfgang Denk wrote: > Hm... I just notice the "caviumnetworks" in your address, so this is > probably MIPS? Check if your caches are turned on... BTW, Cavium also produces ARMs (like CNS3xxx)... > Best regards, > Wolfgang Denk WBR, Sergei _

Re: [U-Boot] USB storage performance EHCI question

2011-01-12 Thread Wolfgang Denk
Dear Aaron Williams, In message <201101121955.04367.aaron.willi...@caviumnetworks.com> you wrote: > I just got EHCI support working with our chip and I was wondering what sort > of > performance I could expect using ext2? Right now it seems extremely slow > coming off of a fast solid-state dri

[U-Boot] USB storage performance EHCI question

2011-01-12 Thread Aaron Williams
I just got EHCI support working with our chip and I was wondering what sort of performance I could expect using ext2? Right now it seems extremely slow coming off of a fast solid-state drive. I'm getting around 100KB/second. It's running at full-speed (480Mbps). Is this normal? We are basicall